Time machine backup freezing up

I had my time capsule full last month so my two computers kept getting an error when trying to do its scheduled backup. I went on and deleted one of my backup images to make enough room for one computer to use the hard drive. Then for computer one I plugged in a second hard hard and it backed up with no problem.
Computer two is still set to backup wirelessly to the time capsule but every time I click the option to "backup now" is sits/freezes in the beginning phase "Making backup disk available". Looking at the available space I have : 313.92 gigs of 497.96 gigs free. At this point I have left the computer on for hours, also there is no canceling this process, I can't even do a hard quit; I have to hold the power button to turn off computer.

Nobie381 wrote:
Computer two is still set to backup wirelessly to the time capsule but every time I click the option to "backup now" is sits/freezes in the beginning phase "Making backup disk available".
Try a "full reset" of Time Machine, per #A4 in [Using Time Machine with an Airport Extreme Air Disk|http://web.me.com/pondini/Time_Machine/Airport.html] (or use the link in *User Tips* at the top of the +Time Machine+ forum).

Similar Messages

Encrypted time machine backup freezes OS X

Been having fairly regular problems with Time Machine backup to a LaCie 5Big 10TB Thunderbolt drive where OS X 10.8.5 will completely freeze during a backup.
I've formatted 2 of the 5 drives as 2TB Mac OS Extended (Journaled, Encrypted) in order to perform alternate encrypted Time Machine backups. The other 3 are part of a striped 6TB logical drive. I connect the backup drives about once a week for the past few months and have encountered a freeze during backup a few times. I currently have a situation where merely attempting to mount one of the Time Machine volumes causes OS X to freeze. Initially the mouse cursor starts to stutter as it is moved around the screen and then it completely freezes. No mouse cursor, no clock, nothing. Have left for a couple of hours and still nothing so have to reboot. There are absolutely no messages in the console for the time of the hang e.g. time of most recent hang 12:55 PM which is when I attempted to mount the drive. Most recent message before the restart 12:49:16 PM.
The thing is, sometimes the backups work fine for weeks at a time, other times I get these freezes with the same symptoms as above and the only thing that seems to work is reformatting the volume and starting again, although this can take a few attempts to work. I've run a verify disk and currently everything currently seems OK (although can't run for the backup volume as it won't mount, and I've previously had to restore the boot disk due to Disk Verify failing on the boot disk).
Has anyone got suggestions as to what could be causing this? Options are faulty LaCie 5Big, Time Machine encrypted option, OS X bugs or file corruptions.

Unfortunately the 5Big only has Thunderbolt connections and I only have the cable it came with as it is my only Thunderbolt device.
The secure erase single pass of the disk failed with the following error:
Secure Disk Erase failed with the error: Securely erasing data to prevent recovery failed.
In the console logs there was the message: Kernel: disk5s2: data underrun
I ran another erase but without the secure option and immediately got the error:
Disk Erase failed with the error:
Unable to write to the last block of the device
and in console:
Kernel: disk5: data underrun
Going to give it another go as I'm not sure if this is as symptom or a cause as I've recently had similar errors on the boot disk (internal SSD) and "Disk0s2 I/O error" occurring in the console. I had to restore the system from backup to resolve that particular issue.

Time machine backup freezes on initial backup attempt - any ideas?

I just purchased a Seagate 3 TB USB 2.0/3.0 external drive to use as my time machine backup drive. I have a MacBook Pro that was purchased about 3-4 years ago. The MacBook Pro has a 120 GB hard drive and is currently running MAC OSx 10.6.8. I also have another WD 1 TB FireWire external drive that I use to store all of my media files.
After I followed the instructions for installing the new Seagate drive for use with the MAC OSx, I initiated a time machine backup. It very quickly determined that it needed to back up almost 900,000 files totaling just about 400 GB. It started the backup process at a rate of about 1 GB per minute. In a little less than an hour it reach 53 GB and remained there for an additional two hours before I decided to stop the backup.
Once I got the backup stopped, I deleted the backup and decided to look at my energy saving settings. I noticed that the "Put drives to sleep whenever possible" check box was checked, so I unchecked that option and restarted the MAC. I then initiated the time machine backup again. Like the first time it quickly determined that it needed to backup the same amount of data as before and started the backup process at a rate of about 1 GB per minute. Before going to bed at around 11 PM last night it was at about 60 GB so I thought I was out of the woods (having gotten further than the 53 GB earlier). When I woke up this morning at 5:30 AM it was sitting at 69 GB.
I am really frustrated at this point and don't know why the time machine back up would be failing on a brand new hard drive. Does anyone have any ideas?
PS - I was previously using a Seagate 1.5 TB USB drive as my time machine backup and never had any issues with it. I decided to use the 1.5 TB drive for a different purpose, which is why I have the new 3 TB drive to use as a backup. And I still have the full backup on the 1.5 TB drive just in case anything were to go awry.

Your best bet is probably to deal with the kernel panics first; whatever's causing that may be part or all of the cause of the other problem.
They are usually caused by hardware problems, but can be software, especially kernel extensions.
Start by running this: Intel-based Macs: Using Apple Hardware Test. Run the Extended tests(that may take an hour or so, depending on how much RAM you have). Write down any error code(s) it shows.
If that doesn't show a problem, see this Apple article: If “You need to restart your computer” appears
If that doesn't help, post a new thread about the kernel panics, with as much detail about what's running (or not running) at the time, etc.

Freeze when restoring Mail from Time Machine backup

I had to have the logic board and solid state drive replaced on my Retina MabookPro and before I dropped it off at the Genius Bar I did a full Time Machine backup to an external drive. I have my fixed Mac back, and restored from that backup, but when I try and start Mail it says "Mail needs to import your messages" and then begins the progress bar for importing my messages. The problem is that it always freezes somewhere during the import, and now I am afraid I have lost all of my old mail.
First off, why does it need to re-import? Why can't it just work off the orignal Mail database backed up via Time Machine? And secondly, is there an advanced rebuild or other option that can hopefully recover my mail database? Anything else to try?
-Lewis

Quit Mail. Force quit if necessary.
Back up all data. That means you know you can restore the Mail database, no matter what happens.
Triple-click the text on the line below to select it:
~/Library/Mail/V2/MailData/Envelope Index
Copy the selected text to the Clipboard (command-C). In the Finder, select
Go ▹ Go to Folder
from the menu bar. Paste into the box that opens (command-V), then press return.
A Finder window will open with a file selected. Move the selected file to the Desktop, leaving the window open. Other files in the folder may have names that begin with "Envelope Index". Move those files, if any, to the Trash.
Log out and log back in. Relaunch Mail. It should prompt you to re-import your messages. You may get a warning that the index is corrupt and that Mail has to quit. Click OK.
Test. If Mail now works as expected, you can delete the file you moved to the Desktop. Otherwise, post your results.

Macbook Air Freezes when Time Machine backup starts

My Macbook Air (OS 10.5.5) has started freezing up whenever a Time Machine backup begins. I get the dark shade screen telling me that it has crashed and to hard power off. Everything was working well before, including the Time Machine backups, and the only changes I have made are the Apple updates. At first I thought it was random crashes, but I soon discovered that turning off Time Machine stops the problem (though obviously does not fix it). I've tried restarting and turning Time Machine back on, but it still makes the computer crash within a minute of the start of the backup process. The backup goes to a Time Capsule. I have not seen this problem on any of my other macs on the same network including a Macbook Pro that backs up to the same Time Capsule. Does anyone have any idea what the problem could be and how to fix it?

To be honest,no I don't know why you are having this problem.
It looks like a specific problem with your MBA which could be a hardware problem (RAM most likely here) or a bad sector problem on the hard disk. If you own a copy of TechTool or something similar, run a full hardware systems check. If you don't own TechTool, run the Apple Hardware check from the MBA System install disk.
And, it could be a software problem. I don't know if this sequence will help, but do it anyway because it seems to solve problems on other Leopard systems.
1.) Disable Time Machine back ups
2.) Open Disk Utility and Run Repair Permissions
3.) Run Verify Disk. If it passes go to step 4.
4.) Download the 10.5.5. Combo Updater from http://support.apple.com/downloads/MacOS_X_10_5_5_ComboUpdate
5.) Run the Combo Updater and restart
6.) Run Disk Utility Repair Permissions again
Then enable Time Machine and keep your fingers crossed.
Let me know if any of that helps.

Microsoft Word for Mac Freezes During Time Machine Backup

Since upgrading to Lion, I have found that when Time Machine is performing a backup that word for Mac freezes. I have all software updates for both Mac and MS. Running on 17" MacBook Pro.
Any ideas?
This appears to be the same issue:
https://discussions.apple.com/thread/2403912?start=0&tstart=0
Thanks in advance.

The Time Machine backup data on the network device is corrupt. The first thing you should do, if that's your only backup, is to make another complete backup to a locally attached storage device. One backup is never enough to be safe. Network backups are less reliable than local ones.
After that, hold down the option key and select Verify Backups from the Time Machine menu in the menu bar (not the Dock icon.) This operation may take a long time. If the menu-bar icon (a clock that runs backwards) isn't showing, check Show Time Machine in menu bar in the preferences.
If you continue to get panics, erase the backup device. With an AirPort device, you do that from within the AirPort Utility application; see its built-in help for details. All backups will be lost, so don't do this until you've backed up to another device. After erasing, select the device again as a backup destination in the Time Machine preference pane. The first backup should be made over a wired connection, if possible.
If you still have problems after erasing the device, it should be replaced.

6th Generation Airport Extreme Freezing During Time Machine Backups using LaCie 1TB Hard Drive

I recently upgraded from a 4th generation Airport Extreme (short, dual band n) to a new 6th generation Airport Extreme (tall, dual-band ac) in the hopes of having quicker backups and better WiFi performance (I also just got a 13" retina MacBook Pro).
The upgrade has gone poorly, to say the least. Initially, I set up the new Airport Extreme as I had for the old one. Then I plugged in the same hard drive I was using (a LaCie 1 TB d2 Quadra USB2 drive that I bought in June of 2009). I decided to setup my wife's Time Machine backup first (she has a 2010 MacBook Air). I removed the "old" disk (the one associated with the old base station) from her Time Machine configuration, and set up her Time Machine configuration to backup to the same disk on the new Airport Extreme. I was pleasantly surprised to find that it picked up her existing Time Machine backup and incrementally synchronized to it (the backup size was about 300 MB). A few days later, she warned me that Time Machine told her that backups were not working. When I went to look, it was indeed failing.
I tried a few things that didn't work, and I suspected that maybe the backup "transfer" hadn't gone so smoothly as it seemed, so I decided to erase the drive using Disk Utility and start the backup over again. To my disappointment, I found that the backup got about 200MB-1.5GB into the backup and "froze." I left it overnight, and it was at exactly the same place the next morning. The light on the disk connected to the Airport Extreme flashed constantly all the time, and I could hear it spinning, but nothing happened at all.
When I tried to stop the backup, it took a very long time. In the logs, I would see a message like this (this log is from my machine, not my wife's, but it looks the same):
11/19/13 9:40:59.276 PM com.apple.backupd[93334]: Forcing deep traversal on source: "***-mpbr" (device: /dev/disk0s2 mount: '/' fsUUID: 7356274E-D28F-3BC0-9CA8-7F1AA21830B4 eventDBUUID: 99941F9A-AD5F-4FAF-94D2-701C94CA9581)
11/19/13 9:41:57.609 PM com.apple.backupd[93334]: Total content size: 148.2 GB excluded items size: 17.16 GB for volume ***-mpbr
11/19/13 9:41:57.610 PM com.apple.backupd[93334]: Found 674166 files (131.05 GB) needing backup
11/19/13 9:41:57.611 PM com.apple.backupd[93334]: 152.52 GB required (including padding), 498.67 GB available
11/19/13 9:41:57.625 PM com.apple.backupd[93334]: Waiting for index to be ready (100)
11/19/13 9:59:22.407 PM UserEventAgent[11]: com.apple.backupd-auto launchd job disabled
11/19/13 10:00:15.103 PM com.apple.backupd[93334]: Cancellation timed out - exiting
Looking at the Airport Extreme in Finder, I saw that it got stuck, either "Connected as" me, or "Connecting...". The Airport Extreme wouldn't respond to the "Disconnect" or "Connect As..." buttons (depending on the context), and the eject button for the Airport Extreme itself in the sidebar was also unresponsive. Eventually, after 2+ minutes, I got a dialog saying "Couldn't connect to [my base station name]" with instructions to "check its IP" and contact my system administrator if the problem persists. During this time, Finder can seem frozen and unstable.
Through all of the above, the hard disk kept spinning and the light flashed constantly. The drive was warm to the touch in the morning.
I also found that when all this happened, I was unable to connect to the Airport device using Airport Utility. I I couldn't administer it, but the Internet continued to work for all connected devices. Unplugging the disk and plugging it back in worked immediately to bring the system back to a working state. I didn;t even have to power-cycle or reset the Airport Extreme.
I tried a number of things to correct this behavior:
Disabled Time Machine, removed disk, restarted machine, reconfigured Time Machine, and retried.
Tried backup on my 13" Retina MacBook Pro and my wife's MacBook Air.
I actually tried with TWO new 6th Generation Airport Extremes. The first one was a refurbished one. I returned it to Apple and purchased a brand new one. Both of them exhibited the behavior I described above.
Workaround:
Finally, I switched the drive out for a spare that I have (an older Western Digital MyBook and used it for a backup. This drive "Just worked."
So, I have switched to that for backup for now, and re-purposed the LaCie as a drive that I use for making periodic images of my hard drive using SuperDuper. The drive seems to work perfectly (and worked perfectly for several years with older Airport Extreme base stations), so I can only assume there's a bug in the USB driver of the current 6th-generation Airport Extreme.
I hope this helps someone else who's as confused as I was. If anyone has had a similar experience, I would very much like to read about it. I will be reporting this problem to apple right after I post this topic. Please do the same if you experience this issue.

As Bob says, backing-up that way isn't supported.
It's also unreliable. It may work for a while, but this forum, and the Time Machine forums, have many, many posts like this:
*"I've been backing-up via an Airport Extreme for* <some number of days, weeks, or months> *and all of a sudden my backups are corrupted beyond repair."*
In my case, it's happened about 4 times in a year. And that's with a desktop Mac, about 12 feet from the Airport, with the exact same hardware in exactly the same place and no interference.
It is very convenient, especially with laptops. If you want to take the risk, see [Using Time Machine with an Airport Extreme Air Disk|http://web.me.com/pondini/Time_Machine/Airport.html] (or use the link in *User Tips* at the top of this forum).
But do yourself a LARGE favor and take the prominent advice to keep secondary backups, and update them frequently. Sooner or later, you're probably going to need them.

Time Machine Backup seems to freeze after a few megabytes saying Estimating TIme Remaining

My MBP (mid 2009, osx10.8.5) seems to take forever to Time Machine Backup. I'm backing up to an external (USB) disk that has plenty of memory. THe backup starts (Status window opens), Status says "Backing up 1,314,593 items", climbs to about 310 MB of 325.01 GB and then just sits there with a line that says "Estimating time remaining". I've let this sit for 2 hours so far and no other messages or errors. I haven't done this in a while and a previous , partial, Time Machine Backup was on this USB drive but I deleted everything on it because there wasn't enough space to do the new Time Machine Backup. It will have to do a full backup I'm sure, so I expect it to take a while to back up over 300GB but I don't see anything being copied to the backup disk, except the "Backups.backupdb" folder. It stays at about 265MB.

Try D4/3 in the 1st linked article.
Time Machine Troubleshooting
Time Machine Troubleshooting Problems

Should I "restore" a new macbook pro retina from a time machine backup of old mackbook pro?

I'm considering buying a new Macbook Pro Retina. 15".
Now I'm using a 2007 2.4 GHz Core 2 Duo MBP 15" running Lion. It works fine most of the time. Occasionally an application will freeze and I need to force quit.
It seems like the most convenient option would be to restore the new machine from the last Time Machine backup of the old. The benefit is that I'd feel confident that all of my stuff is on the new machine. The downside is that maybe glitches that had developed in the current system over the ~5 years would be transferred over to the new machine.
Or I could make a fresh start with the new machine and invest the time needed to transfer over the iPhoto, iTunes libraries and Documents folder and reinstall all the third party applications. I have an external optical drive to use the installation disks where necessary. The benefit would seem to be that any glitches that had developed in the old system might be avoided. The downside is that this would take a very long time.
What's the recommened method of migrating from an old machine to a new one?

Instead of a restore from Time Machine, I would suggest that you use Setup Assitant that comes up the first time you start the new Mac.
Connect the TM drive to the new Mac before you power it up
Then when the new Mac asks if you wish to recover from an older Mac say yes
Then select from Time Machine
This will keep everything in the system for the new hardware and bring over everything else.
Allan

Restoring data from a Time machine backup of a potentially corrupted drive

I seem to be the queen of failing hard drives, heh. I'm on my third in a year, and will be addressing the root cause of these failures, of course, but right now, I'm wondering how safe it is to restore from my Time Machine backup. Here's the scenario:
-- Drive started throwing I/O errors, detected via SMARTReporter, about 2-3 months ago. No change in how the machine functioned, all OK.
-- I continued to back up daily to TM & Crashplan
-- While traveling for a month (and not backing up anymore, I left TM home), the machine started acting funny. Finder freezing, etc. I decided to clear some caches (by booting into safe mode) and see what happened.
-- This caused the HD to fail completely. Recovery mode, target disk mode, booting into single user mode and command-lining fixes, and DiskWarrior all failed to rebuild the directory. Failures were in multi-linked files/directories, the catalog file, etc.
-- I ordered a warranty replacment drive (and a new hard drive cable for starters).
When I got home, I borrowed another machine and just did a Verify Disk on the TM backup. It came back totally clean. So, my question is: is it safe to restore the data from my TM backup to the new drive when it arrives?

Shouldn't be any problem.
Boot from your SL installer DVD (hold down the C key on startup or hold down Alt/option on start and choose the installer disc).
OK the language page (if present). From the installer screen, go to the menu bar and choose Disk Utility; depending on the OS version it may be in the Utilities menu or Tools menu.
In DU, select your internal drive in the sidebar (the top item with the makers name and serial no.). Run Repair Disk. If that comes up as disk OK, click the partition tab. Select the partiton from the drop-down above the graphic; 1 partiton is all you need. Go to the options button and ensure that the partition scheme is GUID (for Intel Macs) or APM (for G5 and earlier) and the file system to Mac OS Extended (Journalled). Name the partiton (usually Macintosh HD), click Apply.
When that's finished, select the new volume in the sidebar (indented to the right below the drive) and go to the Erase tab, select Security options and select zero data (one pass is more than sufficient). Click erase. That will take quite some time; probably measured in hours and dependant on the size of the drive.
When that's completed, close DU and continue with the installation.
Shortly into the installation process, you'll be asked if you want to migrate data from another source. Select 'from a Time Machine Backup' and follow the prompts.
See Pondini's FAQs;
http://web.me.com/pondini/Time_Machine/19.html
http://web.me.com/pondini/AppleTips/SetupAsst.html
That should leave you with the same setup as you had on the previous MB.

How do I repair a damaged time machine backup drive/remove pictures from library on locked/failing external drive

I have a WD 1TB external hard drive that I use as my time machine backup drive as well as to store a number of things including my iphoto library (due to its size of about 85 GB) as well as documents. I began using the WD 1TB external drive with my 2007 13" MacBook and when I purchased a brand new 13" MacBook Pro in 2013 I used the WD to transfer what I wanted to the new laptop. My new MacBook Pro is running OSX 10.8.4 (2.9 GHz Interl Core i7 with 8GB 1600 MHz DDR3) (not the retina display). The WD 1TB product # is WDBACX001... and it's only about one year old so I'm super bummed that it's failing and trying to take my life with it It has only ever been used with my two MacBooks, never with a PC.
The external WD was working fine until this week when I noticed that it wasn't appearing on my desktop. I rebooted, unplugged and replugged the WD drive in each USB portal, and still nothing. I ran Disk Utility to verify and repair the disk, which did force it to show up on the desktop again, though it made everything painfully slow. After running the repair function Disk Utility told me that the drive couldn't be repaired, and that I should backup whatever is on it and restore the WD drive. I managed to pull off most of the documents before it decided to freeze up my laptop (I had a couple of folders with a few documents each left), but I wasn't able to move the iphoto library over before the drive disappeared again. I got it back by running the repair option in disk utility, with the same message that the WD drive is failing and to back it up, and tried to move the iphoto library. It told me it would take 180+ days, and kept going up. I left it up anyway for about a day to see if it would change, and instead it gave an error message, and moved nothing. I can't open the library in iPhoto- it tells me it's on a locked disk. I checked the permissions and it's set to Read & write by me (the admin user) but then under that it says read only for "everyone." I can't get into the library to pull out my pictures, which I cannot afford to lose.
I would appreciate any help or advice on how to crack into my iphoto library on this failing drive to remove the pictures. I read a lot about DiskWarrior but I also read that it won't work on newer macs (anything after June of 2012 supposedly), so I'm wondering if that's true or not, and if not is that a good program to use?
I can't afford to take it to a professional right now, so any help or advice would be so greatly appreciated! Also if anyone then could suggest the best way to back up in two places (digitally and perhaps a better brand of external drive) it would be amazing.
If you need more info let me know!

If you're very lucky, you might be able to salvage the drive mechanism, and the data, by removing it from the enclosure and installing it in another one, or in a drive dock.

Clean Install Mavericks... Time Machine backups...

Hey,
I've been having some minor issues with the 'spinning beach ball'/system freezing up, or not even being able to boot up and having to re-install Mavericks...
So I brought it in to a Apple store, and they suggested doing a clean install... I've held off until now, I'm getting a new SSD and will be doing this clean install in a week or so. Is it possible to do a clean install in Mavericks on a new SSD and still have my Time Machine backups available?
I know the one time I changed the name of the hard drive and Time Machine didn't like that... I'm assuming I'll have to name the new drive the same as the old drive was?
I'd rather not restore as they said at the Apple store that could re-introduce the problem, so I'd like to do a clean install, then restore from backup some files/apps and my email.
Any help or suggestions would be much appreciated!

When you have the problem, note the exact time: hour, minute, second.
These instructions must be carried out as an administrator. If you have only one user account, you are the administrator.
Launch the Console application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Console in the icon grid.
Make sure the title of the Console window is All Messages. If it isn't, select All Messages from the SYSTEM LOG QUERIES menu on the left. If you don't see that menu, select
View ▹ Show Log List
from the menu bar.
Each message in the log begins with the date and time when it was entered. Scroll back to the time you noted above. Select the messages entered from then until the end of the episode, or until they start to repeat, whichever comes first. Copy the messages to the Clipboard by pressing the key combination command-C. Paste into a reply to this message by pressing command-V.
The log contains a vast amount of information, almost all of it useless for solving any particular problem. When posting a log extract, be selective. In most cases, a few dozen lines are more than enough. It is never necessary or helpful to post more than about 100 lines. "The more, the better" is not the rule here.
Please do not indiscriminately dump thousands of lines from the log into this discussion.
Important: Some private information, such as your name, may appear in the log. Anonymize before posting.

Help with Time Machine Backups not working..

Let me preface this by saying I have spent the last day scouring the internet for solutions to my problem. I have tried every option that I have run across and have had no luck in resolving my problem. As a last resort, I'm turning here in hopes that you can be of help.
I have a 2012 Macbook Pro running Moutain Lion. I use an external HD for my time machine backups. I am having an issue with Time Machine not functioning. The initial error message I receive when I attempt to use TM to backup is: "Time machine couldn't coplete the backup to Rick's backup disk". "Unable to complete backup. an error occurred while creating the backup folder".
I searched the forums and net and found several things to do to try and resolve this issue. My computer will freeze out and not let me erase, or re-partition the the hard drive, so I switched it over to an older macbook of my girlfriends and am successfully able to erase, and re-partition the drive (using disk utility) as suggested by several forum postings I have read. I am able to run disk verify and disk repair and both say the disk is "ok" with no issues. The moment the erase and partition is done, her computer prompts a message : "Would you like to use this disk for Time Machine Backups" which tells me it is working properly. When I move it back to my macbook pro and attempt to run TM backup, it will now work and copy about 10g of my 120g before shutting down with this error message:
"Time Machine couldn't complete the backup to "Rick's Backup Disk". An error occurred while copying files. The problem may be temporary. If the problem persists, use disk utility to repair your backup disk."
If i attempt to re-run TM at that point, I get the original error message:
"Time machine couldn't coplete the backup to Rick's backup disk". "Unable to complete backup. an error occurred while creating the backup folder".
If I move the TM back to my Girlfriends computer and attempt to run TM, it will function properly and backup her entire harddrive. When I erase and try again on mine, I always end up back with the same issues. It's clearly something in my macbook that is screwing it up. Can anyone please offer some help! I'd be much appreciative.

rcury4 wrote:
"Time machine couldn't coplete the backup to Rick's backup disk". "Unable to complete backup. an error occurred while creating the backup folder".
See #C10 in Time Machine - Troubleshooting
"Time Machine couldn't complete the backup to "Rick's Backup Disk". An error occurred while copying files. The problem may be temporary. If the problem persists, use disk utility to repair your backup disk."
Not one of Apple's more informative messages.
There's a problem with a file on your system. See #C3 in the above link. It will show you how to locate the message(s) that describe the problem, then help you fix it. If that doesn't help, post back with details, including all the messages, what you've done, and the results.

Finder not responding after time machine backup

I just updated my MacBook (mid 2011) to OS X 10.10.2, and now I'm having issues with my time machine backups. I have been having problems with Finder ever since upgrading to Yosemite (Finder freezing and requiring relaunch, or even rebooting the whole machine), but this is new - after a backup is complete, Time Machine can no longer find the backup disk (my OS X server), and so it never completes a second backup. Has anyone else had this problem? And has anyone found an answer to the Finder problem in general?

1. This procedure is a diagnostic test. It changes nothing, for better or worse, and therefore will not, in itself, solve the problem. But with the aid of the test results, the solution may take a few minutes, instead of hours or days.
Don't be put off by the complexity of these instructions. The process is much less complicated than the description. You do harder tasks with the computer all the time.
2. If you don't already have a current backup, back up all data before doing anything else. The backup is necessary on general principle, not because of anything in the test procedure. Backup is always a must, and when you're having any kind of trouble with the computer, you may be at higher than usual risk of losing data, whether you follow these instructions or not.
There are ways to back up a computer that isn't fully functional. Ask if you need guidance.
3. Below are instructions to run a UNIX shell script, a type of program. As I wrote above, it changes nothing. It doesn't send or receive any data on the network. All it does is to generate a human-readable report on the state of the computer. That report goes nowhere unless you choose to share it. If you prefer, you can act on it yourself without disclosing the contents to me or anyone else.
You should be wondering whether you can believe me, and whether it's safe to run a program at the behest of a stranger. In general, no, it's not safe and I don't encourage it.
In this case, however, there are a couple of ways for you to decide whether the program is safe without having to trust me. First, you can read it. Unlike an application that you download and click to run, it's transparent, so anyone with the necessary skill can verify what it does.
You may not be able to understand the script yourself. But variations of it have been posted on this website thousands of times over a period of years. The site is hosted by Apple, which does not allow it to be used to distribute harmful software. Any one of the millions of registered users could have read the script and raised the alarm if it was harmful. Then I would not be here now and you would not be reading this message. See, for example, this discussion.
Nevertheless, if you can't satisfy yourself that these instructions are safe, don't follow them. Ask for other options.
4. Here's a summary of what you need to do, if you choose to proceed:
☞ Copy a line of text in this window to the Clipboard.
☞ Paste into the window of another application.
☞ Wait for the test to run. It usually takes a few minutes.
☞ Paste the results, which will have been copied automatically, back into a reply on this page.
The sequence is: copy, paste, wait, paste again. You don't need to copy a second time. Details follow.
5. Try to test under conditions that reproduce the problem, as far as possible. For example, if the computer is sometimes, but not always, slow, run the test during a slowdown.
You may have started up in "safe" mode. If the system is now in safe mode and works well enough in normal mode to run the test, restart as usual. If you can only test in safe mode, do that.
6. If you have more than one user, and the one affected by the problem is not an administrator, then please run the test twice: once while logged in as the affected user, and once as an administrator. The results may be different. The user that is created automatically on a new computer when you start it for the first time is an administrator. If you can't log in as an administrator, test as the affected user. Most personal Macs have only one user, and in that case this section doesn’t apply. Don't log in as root.
7. The script is a single long line, all of which must be selected. You can accomplish this easily by triple-clicking anywhere in the line. The whole line will highlight, though you may not see all of it in the browser window, and you can then copy it. If you try to select the line by dragging across the part you can see, you won't get all of it.
Triple-click anywhere in the line of text below on this page to select it:
PATH=/usr/bin:/bin:/usr/sbin:/sbin:/usr/libexec;clear;cd;p=(1217 ' 0.5 0.25 10 1000 15 5120 1000 25000 1 1 0 100 ' 51 25600 4 10 25 5120 102400 1000 25 1000 80 40 500 300 85 25 20480 262144 20 2000 524288 );k=({Soft,Hard}ware Memory Diagnostics Power FireWire Thunderbolt USB Bluetooth SerialATA Extensions Applications Frameworks PrefPane Fonts Displays CFBundleIdentifier 'tsA|[ST]M[HL]' PlistBuddy{,' 2>&1'}' -c Print' 'Info\.plist' 'com\\.apple\\.' -\\t N\\/A 'AES|atr|udit|msa|dnse|ax|ensh|fami|FileS|fing|ft[pw]|gedC|kdu|etS|is\.|alk|ODSA|otp|htt|pcas|ps-lp|rexe|rlo|rsh|smb|snm|teln|upd-[aw]|uuc|vix|webf' OSBundle{Require,AllowUserLoa}d );f=('\n%s'{': ','\n\n'}'%s\n' '\nRAM details\n%s\n' %s\ %s '%s\n'"${k[22]}"'%s\n' {Privacy,Mode}': %s\n' '\n   ...and %s more line(s)\n' 'RSSI: %s\nNoise: %s\nTx rate: %s\n' '\nContents of %s\n   '"${k[22]}"'mod date: %s\n   '"${k[22]}"'checksum: %s\n%s\n' '%d MB: %s\n' );b=(com.adobe.{AAM.Updater-1.0{,},AdobeCreativeCloud,CS{4,5}ServiceManager,fpsaud,SwitchBoard{,}} ${k[21]}{aelwriter,{AirPortBaseSt,SafariNotific}ationAgent,FolderActions.enabled,installer.osmessagetracing,mrt.uiagent,ReportCrash.Self,{rp,usb}muxd} com.citrixonline.GoToMeeting.G2MUpdate com.google.keystone.daemon{,} com.microsoft.office.licensing.helper com.oracle.java.{Helper-Tool,JavaUpdateHelper{,}} com.teamviewer.{Helper,teamviewer{,_desktop,_service}} org.macosforge.xquartz.{privileged_{,},}startx );c=(879294308 4071182229 461455494 3627668074 1083382502 1274181950 1855907737 2758863019 1848501757 464843899 2636415542 3694147963 1233118628 2456546649 2806998573 2778718105 842973933 2051385900 3301885676 891055588 998894468 695903914 1443423563 4136085286 3374894509 1051159591 892310726 1707497389 523110921 2883943871 3873345487 );s=(' s/[0-9A-Za-z._]+@[0-9A-Za-z.]+\.[0-9A-Za-z]{2,4}/EMAIL/g;/faceb/s/(at\.)[^.]+/\1NAME/g;/\/Shared/!s/(\/Users\/)[^ /]+/\1USER/g;s/[-0-9A-Fa-f]{22,}/UUID/g;' ' s/^ +//;/de: S|[nst]:/p;' ' {sub(/^ +/,"")};/er:/;/y:/&&$2<'${p[4]} ' s/:$//;3,6d;/[my].+:/d;s/^ {4}//;H;${ g;s/\n$//;/s: (E[^m]|[^EO])|x([^08]|02[^F]|8[^0])/p;} ' ' 5h;6{ H;g;/P/!p;} ' ' ($1~/^Cy/&&$3>'${p[9]}')||($1~/^Cond/&&$2!~/^N/) ' ' /:$/{ N;/:.+:/d;s/ *://;b0'$'\n'' };/^ *(V.+ [0N]|Man).+ /{ s/ 0x.... //;s/[()]//g;s/(.+: )(.+)/ (\2)/;H;};$b0'$'\n'' d;:0'$'\n'' x;s/\n\n//;/Apple[ ,]|Genesy|Intel|SMSC/d;s/\n.*//;/\)$/p;' ' s/^.*C/C/;H;${ g;/No th|pms/!p;} ' '/= [^GO]/p' '{$1=""};1' ' /Of/!{ s/^.+is |\.//g;p;} ' ' BEGIN { FS=":";if(system("sw_vers -productVersion|grep -q ^10\.1")) d="^'"${k[21]}"'launch(d\.peruser\.[0-9]+|ctl\.(Aqua|Background|System))$";} { if($2~/[1-9]/) { $2="status: "$2;printf("'"${f[4]}"'",$1,$2);} else if(!d||$1!~d) print $1;} ' ' { sub(/ :/,"");print|"tail -n'${p[10]}'";} ' ' NR==2&&$4<='${p[7]}' { print $4;} ' ' ($1~"wir"&&$2>'${p[22]}')||($1~"uts"&&$2>'${p[19]}') { print $1" "int($2);} ' '|grep DYLD' ' { q=$1;$1="";u=$NF;$NF="";gsub(/ +$/,"");print q":"$0":"u;} ' ' /^ {6}[^ ]/d;s/:$//;/([^ey]|[^n]e):/d;/e: Y/d;s/: Y.+//g;H;${ g;s/ \n (\n)/\1/g;s/\n +(M[^ ]+)[ -~]+/ (\1)/;s/\n$//;/( {8}[^ ].*){2,}/p;} ' 's:^:/:p;' ' !/ /{print};END{if(NR<'{${p[12]},${p[13]}}')printf("^'"${k[21]}"'.+")} ' '|uniq' ' 1;END { if(NR<'{${p[14]},${p[21]}}') printf("^/[Sp]|'${k[21]}'");} ' ' /\.(framew|lproj)|\):/d;/plist:|:.+(Mach|scrip)/s/:.+//p;' '&&echo On' '/\.(bundle|component|framework|kext|mdimporter|plugin|qlgenerator|saver|wdgt)$/p' '/\.dylib$/p' ' /Temp|emac/{next};/(etc|Preferences|Launch[AD].+)\// { sub(".","");print;} END { split("'"${b[*]}"'",b);split("'"${c[*]}"'",c);for(i in b) print b[i]".plist\t"c[i];} ' ' /^\/(Ap|Dev|Inc|Prev)/d;/((iTu|ok).+dle|\.(component|mailbundle|mdimporter|plugin|qlgenerator|saver|wdgt))$/p;' ' $2=="=" { gsub(/[()"]/,"",$3);print $3;} ' ' /^\// { sub("/dev/","",$1);printf("%s: %s\n",$1,$9);} ' '>&-||echo No' '{print $3"\t"$1}' 's/\'$'\t''.+//p' 's/1/On/p' '/Prox.+: [^0]/p' '$2>'${p[2]}'{$2=$2-1;print}' ' BEGIN { M1='${p[16]}';M2='${p[18]}';M3='${p[8]}';M4='${p[3]}';} !/^A/{next};/%/ { getline;if($5<M1) o["CPU"]="CPU: user "$2"%, system "$4"%";next;} $2~/^disk/&&$4>M2 { o[$2]=$2": "$3" ops/s, "$4" blocks/s";next;} $2~/^(en[0-9]|bridg)/ { if(o[$2]) { e=$3+$4+$5+$6;if(e) o[$2]=o[$2]"; errors "e"/s";next;};if($4>M3||$6>M4) o[$2]=$2": in "int($4/1024)", out "int($6/1024)" (KiB/s)";} END { for(i in o) print o[i];} ' ' /r\[0\] /&&$NF!~/^1(0|72\.(1[6-9]|2[0-9]|3[0-1])|92\.168)\./ { print $NF;exit;} ' ' !/^T/ { printf "(static)";exit;} ' '/apsd|BKAg|OpenD/!s/:.+//p' ' (/k:/&& $3!~/(255\.){3}0/)||(/v6:/&&$2!~/A/) ' ' $1=="op" {m=$3};$1~"lN" {N=$2};$1~"lR" {S=$2};$1~"Tx" {T=$2};$1~/^st/ {s=$2};$1~"li"&&$3!~"wpa2" {printf("'"${f[5]}"'",toupper($3))};END { if(S*N*T&&(S-N<'${p[5]}'||T<'${p[20]}')) printf("'"${f[8]}"'",S,N,T);if(s~/^r/&&m!~/^st/) printf("'"${f[6]}"'",m);} ' ' BEGIN { FS=":";} { n=split($3,a,".");sub(/_2[01].+/,"",$3);print $2" "$3" "a[n]$1;} ' ' BEGIN { split("'"${p[1]}"'",m);FS=":";} $2<=m[$1]{next} $1<9 { o[$1]=o[$1]"\n   "$3" (UID "$4"): "$2;} $1==9&&$5!~"^/dev" { o[$1]=o[$1]"\n   "$3" (UID "$4") => "$5" (status "$6"): "$2;} $1==10&&$5 { p="ps -c -ocomm -p"$5"|sed 1d";p|getline n;close(p);if(n) $5=n;o[$1]=o[$1]"\n   "$5" => "$3" UID ("$4"): "$2;} $1~/1[12]/ { o[$1]=o[$1]"\n   "$3" (UID "$4", error "$5"): "$2;} END { u1="Mb/s";u2="per sec";u3="ms/s";u4="KiB/s";u5="%";u6="total";u7="MB";u8="ports";u[1]=u1;u[2]=u1;u[3]=u3;u[4]=u4;u[5]=u5;u[6]=u6;u[7]=u7;u[8]=u8;u[9]=u2;u[10]=u2;u[11]=u2;u[12]=u2;l[1]="Net in";l[2]="Net out";l[3]="I/O wait time";l[4]="I/O requests";l[5]="CPU usage";l[6]="Open files";l[7]="Memory";l[8]="Mach ports";l[9]="File opens";l[10]="Forks";l[11]="Failed forks";l[12]="System errors";for(i in o) print "\n"l[i]" ("u[i]")\n"o[i];} ' ' END{if($3~/[0-9]/)print$3} ' ' BEGIN { L='${p[17]}';} !/^[[:space:]]*(#.*)?$/ { l++;if(l<=L) f=f"\n   "$0;} END { F=FILENAME;if(!F) exit;if(!f) f="\n   [N/A]";"cksum "F|getline C;split(C, A);C=A[1];"stat -f%Sm "F|getline D;"file -b "F|getline T;if(T~/^Apple b/) { f="";l=0;while("'"${k[18]}"' "F|getline g) { l++;if(l<=L) f=f"\n   "g;};};if(T!~/^(AS.+ (En.+ )?text(, with v.+)?$|(Bo|PO).+ sh.+ text ex|XM)/) F=F"\n   '"${k[22]}"'"T;printf("'"${f[9]}"'",F,D,C,f);if(l>L) printf("'"${f[7]}"'",l-L);} ' ' s/^ ?n...://p;s/^ ?p...:/-'$'\t''/p;' 's/0/Off/p' 's/^.{52}(.+) <.+/\1/p' ' /id: N|te: Y/{i++} END{print i} ' ' /kext:/ { split($0,a,":");p=a[1];k[S]='${k[25]}';k[U]='${k[26]}';v[S]="Safe";v[U]="true";for(i in k) { s=system("'"${k[18]}"'\\ :"k[i]" \""p"\"/*/I*|grep -qw "v[i]);if(!s) a[1]=a[1]" "i;};if(!a[2]) a[2]="'"${k[23]}"'";printf("'"${f[4]}"'",a[1],a[2]);next;} !/^ *$/ { p="'"${k[19]}"'\\ :'"${k[16]}"' \""$0"\"/*/'${k[20]}'";p|getline b;close(p);if(b~/ /||b=="") b="'"${k[23]}"'";printf("'"${f[4]}"'",$0,b);} ' '/ en/!s/\.//p' ' NR>=13 { gsub(/[^0-9]/,"",$1);print;} ' ' $10~/$L/&&$9!~"localhost" { sub(/.+:/,"",$9);print $1": "$9|"sort|uniq";} ' '/^ +r/s/.+"(.+)".+/\1/p' 's/(.+\.wdgt)\/(Contents\/)?'${k[20]}'$/\1/p' 's/^.+\/(.+)\.wdgt$/\1/p' ' /l: /{ /DVD/d;s/.+: //;b0'$'\n'' };/s: /{ /V/d;s/^ */- /;H;};$b0'$'\n'' d;:0'$'\n'' x;/APPLE [^:]+$/d;p;' '/^find: /!p;' ' /^p/{ s/.//g;x;s/\nu/:/;s/(\n)c/\1:/;s/\n\n//;p;};H;' ' BEGIN{FS="= "} /Path/{print $2} ' ' /^ *$/d;s/^ */   /;p;' ' s/^.+ |\(.+$$//g;p;' '1;END{if(NR<'${p[15]}')printf("^/(S|usr/(X|li))")}' ' /2/{print "WARN"};/4/{print "CRITICAL"};' ' /EVHF|MACR|^s/d;s/^.+: //p;' ' $3~/^[1-9][0-9]{0,2}(\.[1-9][0-9]{0,2}){2}$/ { i++;n=n"\n"$1"\t"$3;} END{ if(i>1)print n} ' s/{'\.|jnl: ','P.+:'}'//;s/ +([0-9]+)(.+)/\2 \1/p' ' /es: ./{ s/^.+://;b0'$'\n'' };/^ +C.+ted: +[NY]/H;/:$/b0'$'\n'' d;:0'$'\n'' x;/: +N/d;s/\n.+//p;' ' 1d;/:$/b0'$'\n'' $b0'$'\n'' /(D|^ *Loc.+): /{ s/^.+: //;H;};/(B2|[my]): /H;d;:0'$'\n'' x;/[my]: [AM]|^\/Vo/d;s/(^|\n) [ -~]+//g;s/(.+)\n(.+)/\2:\1/;s/\n//g;/[ -~]/p;' 's/$/:(0|-(4[34])?)$/p' '|sort'{'|uniq'{,\ -c},\ -nr} ' s/^/'{5,6,7,8}':/;s/ *: */:/g;p;' '/e:/{print $2}' ' /^[(]/{ s/....//;s/$/:/;N;/: [)]$/d;s/\n.+ ([^ ]+).$/\1/;H;};${ g;p;} ' 's/:.+$//p' '|wc -l' /{\\.{kext,xpc,'(appex|pluginkit)'}'\/(Contents\/)?'Info,'Launch[AD].+'}'\.plist$/p' 's/([-+.?])/\\\1/g;p' 's/, /\'$'\n/g;p' ' BEGIN{FS=":"} { printf("'"${f[10]}"'",$1/1048576,$2);} ' ' /= D/&&$1!~/'{${k[24]},${k[17]}}'/ { getline d;if(d~"t") D=D"\n"$1;} END { print D;} ' ' NR>1&&$3!~/0x|\.([0-9]{3,}|[-0-9A-F]{36})$/ { print $3":"$2;} ' '|tail -n'${p[6]} ' $1>1 { $NF=$NF" x"$1;} /\*/ { if(!f) f="\n\t* Code injection";} { $1="";} 1;END { print f;} ' ' s/.+bus /Bus: /;s/,.+[(]/ /;s/,.+//p;' ' { $NF=$NF" Errors: "$1;$1="";} 1 ' ' 1s/^/\'$'\n''/;1s/:/ tree/;/^ +[MPSV].+:../d;s/:$//;p;' 's/,.+"//p' '|grep -q e:/' '/[^ .]/p' );c1=(system_profiler pmset\ -g nvram fdesetup find syslog df vm_stat sar ps crontab kextfind top pkgutil "${k[18]}\\" echo cksum kextstat launchctl smcDiagnose sysctl\ -n defaults\ read stat lsbom 'mdfind -onlyin /' env pluginkit scutil 'dtrace -q -x aggsortrev -n' profiles sed\ -En awk /S*/*/P*/*/*/C*/*/airport networksetup mdutil lsof test osascript\ -e netstat mdls route egrep 'dscl . -read' );c2=(${k[21]}loginwindow\ LoginHook ' /L*/P*/loginw*' "'tell app \"System Events\" to get properties of login items'" 'L*/Ca*/'${k[21]}'Saf*/E* -d 2 -name '${k[20]} '~ $TMPDIR.. $ -flags +sappnd,schg,uappnd,uchg -o ! -user $UID -o ! -perm -600 $' -i '-nl -print' '-F \$Sender -k Level Nle 3 -k Facility Req "'${k[21]}'('{'bird|.*i?clou','lsu|sha'}')"' "-f'%N: %l' Desktop L*/Keyc*" therm sysload boot-args status " -F '\$Time \$Message' -k Sender kernel -k Message CRne '0xdc008012|calling|(complet|enabl)ed|ry HD' -k Message CReq 'bad |corru|dead|fail|GPU |hfs: Ru|inval|v_c|NVDA\(|pagin|error|TCON|tim(ed? ?|ing )o|WARN' " '-du -n DEV -n EDEV 1 10' 'acrx -o%cpu,comm,ruid' "' syscall::recvfrom:return {@a[execname,uid]=sum(arg0)} syscall::sendto:return {@b[execname,uid]=sum(arg0)} syscall::open*:entry {@c[execname,uid,copyinstr(arg0),errno]=count()} syscall::execve:return, syscall::posix_spawn:return {@d[execname,uid,ppid]=count()} syscall::fork:return, syscall::vfork:return, syscall::posix_spawn:return /arg0 < 0/ {@e[execname,uid,arg0]=count()} syscall:::return /errno != 0/ {@f[execname,uid,errno]=count()} io:::wait-start {self->t=timestamp} io:::wait-done /self->t/ { this->T=timestamp - self->t;@g[execname,uid]=sum(this->T);self->t=0;} io:::start {@h[execname,uid]=sum(args[0]->b_bcount)} tick-10sec { normalize(@a,2560000);normalize(@b,2560000);normalize(@c,10);normalize(@d,10);normalize(@e,10);normalize(@f,10);normalize(@g,10000000);normalize(@h,10240);printa(\"1:%@d:%s:%d\n\",@a);printa(\"2:%@d:%s:%d\n\",@b);printa(\"9:%@d:%s:%d:%s:%d\n\",@c);printa(\"10:%@d:%s:%d:%d\n\",@d);printa(\"11:%@d:%s:%d:%d\n\",@e);printa(\"12:%@d:%s:%d:%d\n\",@f);printa(\"3:%@d:%s:%d\n\",@g);printa(\"4:%@d:%s:%d\n\",@h);exit(0);} '" '-f -pfc /var/db/r*/'${k[21]}'*.{BS,Bas,Es,J,OSXU,Rem,up}*.bom' '{/,}L*/Lo*/Diag* -type f -regex .\*[cght] ! -name .?\* ! -name \*ag $ -exec grep -lq "^Thread c" {} \; -exec printf \* \; -o -true $ -execdir stat -f:%Sc:%N -t%F {} \;' '/S*/*/Ca*/*xpc*' '-L /{S*/,}L*/StartupItems -type f -exec file {} +' kMDItemContentTypeTree=${k[21]}{bundle,mach-o-dylib} :Label "/p*/e*/{aut*,{cron,fs}tab,hosts,{[lp],sy}*.conf,mach_i*/*,pam.d/*,ssh{,d}_config,*.local} {/p*,/usr/local}/e*/periodic/*/* /L*/P*{,/*}/com.a*.{Bo,sec*.ap}*t {/S*/,/,}L*/{Lau,Sec}*/*t .launchd.conf" list '-F "" -k Sender hidd -k Nle 3' /Library/Preferences/${k[21]}alf\ globalstate --proxy '-n get default' -I --dns -get{dnsservers,info} -P -m\ / '' -n1 '-R -ce -l1 -n5 -o'{'prt -stats prt','mem -stats mem'}',command,uid' -kl -l -s\ / '--regexp --files '${k[21]}'pkg.*' '+c0 -i4TCP:0-1023' ${k[21]}dashboard\ layer-gadgets '-d /L*/Mana*/$USER' '-app Safari WebKitDNSPrefetchingEnabled' '-Fcu +c0 -l' -m 'L*/{Con*/*/Data/L*/,}Pref* -type f -size 0c -name *.plist.???????' kern.memorystatus_vm_pressure_level '3>&1 >&- 2>&3' '-F \$Message -k Sender kernel -k Message CReq "'{'n Cause: -','(a und|I/O |jnl_io.+)err','USBF:'}'"' -name\ kMDItem${k[16]} -T\ hfs '-n get default' -listnetworkserviceorder :${k[16]} :CFBundleDisplayName $EUID {,'/{S*/,}'}'L*/{,Co*/*/*/L*/}{Cache,Log}s $TMPDIR../C -type f -size +'${p[11]}'M -exec stat -f'%z:%N' {} \;' \ /v*/d*/*/*l*d{,.*.$UID}/* '-app Safari UserStyleSheetEnabled' "-o ',\"name\":\"[^\"]+' L*/A*/Fi*/P*/*/a*.json" users/$USER\ HomeDirectory '{/,}L*/{Con,Pref}* -type f ! -size 0 -name *.plist -exec plutil -s {} \;' ' -F "\$Time \$Sender \$(RefProc): \$Message" -k Level Nle 3 -k Facility R'{'ne "user|','eq "'}'console" -k Message CRne "sandbox ex" ' );N1=${#c2[@]};for j in {0..15};do c2[N1+j]=SP${k[j]}DataType;done;l=({Restricted\ ,Lock,Pro}files POST Battery {Safari,App,{Bad,Loaded}\ kernel,Firefox}\ extensions System\ load boot\ args FileVault\ {2,1} {Kernel,System,Console}\ log Activity SMC Login\ hook 'I/O per process' 'High file counts' UID Daemons Agents XPC\ cache Startup\ items {Admin,Root}\ access Bundles {,Inserted\ }dylibs Stylesheet Font\ issues Firewall Proxies DNS TCP/IP Wi-Fi 'Elapsed time (sec)' {Root,User}\ crontab {Global,User}' login items' Spotlight Memory\ pressure Listeners Widgets Parental\ Controls Prefetching Nets Volumes {Continuity,I/O,iCloud,HID,HCI}\ errors {User,System}\ {caches/logs,overrides} Shutdown\ codes Heat Diagnostic\ reports Bad\ plists Free\ space VM );N3=${#l[@]};for i in {0..8};do l[N3+i]=${k[5+i]};done;F() { local x="${s[$1]}";[[ "$x" =~ ^([\&\|\<\>]|$) ]]&&{ printf "$x";return;};:|${c1[30]} "$x" 2>&-;printf "%s \'%s\'" "|${c1[30+$?]}" "$x";};A0() { Q=6;v[2]=1;id -G|grep -qw 80;v[1]=$?;((v[1]))||{ Q=7;sudo -v;v[2]=$?;((v[2]))||Q=8;};v[3]=`date +%s`;date '+Start time: %T %D%n';printf '\n[Process started]\n\n'>&4;printf 'Revision: %s\n\n' ${p[0]};};A1() { local c="${c1[$1]} ${c2[$2]}";shift 2;c="$c ` while [[ "$1" ]];do F $1;shift;done`";((P2))&&{ c="sudo $c";P2=;};v=`eval "$c"`;[[ "$v" ]];};A2() { local c="${c1[$1]}";[[ "$c" =~ ^(awk|sed ) ]]&&c="$c '${s[$2]}'"||c="$c ${c2[$2]}";shift 2;local d=` while [[ "$1" ]];do F $1;shift;done`;((P2))&&{ c="sudo $c";P2=;};local a;v=` while read a;do eval "$c '$a' $d";done<<<"$v";`;[[ "$v" ]];};A3(){ v=$((`date +%s`-v[3]));};B1() { v=No;! ((v[1]))&&{ v=;P1=1;};};eval "`type -a B1|sed '1d;s/1/2/'`";B3(){ v[$1]="$v";};B4() { local i=$1;local j=$2;shift 2;local c="cat` while [[ "$1" ]];do F $1;shift;done`";v[j]=`eval "{ $c;}"<<<"${v[i]}"`;};B5(){ v[$1]="${v[$1]}"$'\n'"${v[$2]}";};B6() { v=` paste -d: <(printf "${v[$1]}") <(printf "${v[$2]}")|awk -F: ' {printf("'"${f[$3]}"'",$1,$2)} ' `;};B7(){ v=`egrep -v "${v[$1]}"<<<"$v"|sort`;};eval "`type -a B7|sed '1d;s/7/8/;s/-v //'`";C0() { [[ "$v" ]]&&sed -E "$s"<<<"$v";};C1() { [[ "$v" ]]&&printf "${f[$1]}" "${l[$2]}" "$v"|sed -E "$s";};C2() { v=`echo $v`;[[ "$v" != 0 ]]&&C1 0 $1;};C3() { B4 0 0 63&&C1 1 $1;};C4() { echo $'\t'"Part $((++P)) of $Q done at $((`date +%s`-v[3])) sec">&4;};C5() { sudo -k;pbcopy<<<"$o";printf '\n\tThe test results are on the Clipboard.\n\n\tPlease close this window.\n';exit 2>&-;};for i in 1 2;do eval D${i}0'(){ A'$i' $@;C0;};';for j in 2 3;do eval D$i$j'(){ local x=$1;shift;A'$i' $@;C'$j' $x;};';done;done;trap C5 2;o=$({ A0;D10 0 N1+1 2;D10 0 $N1 1;B1;C2 27;B1&&! B2&&C2 28;D12 22 15 63;D10 0 N1+2 3;D10 0 N1+15 17;D13 3 0 N1+3 4;D13 4 0 N1+4 5;D13 N3+4 0 N1+9 59;for i in 0 1 2;do D13 N3+i 0 N1+5+i 6;done;D13 N3+3 0 N1+8 71;D13 62 1 10 7;D13 10 1 11 8;B2&&D13 18 19 53 67;D12 11 2 12 9;D12 12 3 13 10;D12 13 42 70 101 25;D12 65 6 36 13;D12 45 20 52 66;D13 66 7 37 14;D13 17 8 15 38;D10 9 16 16 77 45;C4;B2&&D10 35 49 61 75 76 78 45;B2&&{ D10 28 17 45;C4;};D10 12 40 54 16 79 45;D10 12 39 54 16 80 45;D13 31 25 37 15;B2&&D13 19 21 0;B2&&D13 40 10 42;B2&&D12 2 29 35 46;D12 44 34 43 53;D12 25 22 20 32;D12 33 0 N1+14 51;D12 34 21 28 35;D13 35 27 29 36;A1 40 59 81;B3 18;A1 33 60 82;B8 18;B4 0 19 83;A1 27 32 39&&{ B3 20;B4 19 0;A2 33 33 40;B3 21;B6 20 21 3;};C2 36;D13 50 38 5 68;B4 19 0;D23 37 33 34 42;B2&&D13 46 35 45 55;D13 38 32 31 43;B2&&D13 59 4 65 76 91;D13 63 4 19 44 75 95 96;B1&&{ D13 53 5 55 75 69&&D13 51 6 58 31;D13 56 5 56 97 75 98&&D10 0 N1+7 99;D12 55 5 27 84;D13 61 5 54 75 70;D13 14 5 14 12;D13 15 5 72 12;C4;};D13 16 5 73 12;A1 13 44 74 18;C4;B3 4;B4 4 0 85;A2 14 61 89;B4 0 5 19 102;A1 17 41 20;B7 5;C3 8;B4 4 0 88;A2 14 24 89;C4;B4 0 6 19 102;B4 4 0 86;A2 14 61 89;B4 0 7 19 102;B5 6 7;B4 6 6 73 102;B2&&{ A1 18 26 94;B7 6;B4 0 0 11;C3 23;};A1 18 26 94;B7 6;B4 0 0 11;C3 24;D13 60 14 66 92;D13 58 14 67 93;D13 26 4 21 24;D13 42 14 1 62;D13 43 37 2 90 48;D13 41 10 42;D12 48 36 47 25;A1 4 3 60&&{ B3 5;A2 14 61;B4 0 6 21;B4 5 0;A2 14 62;B4 0 0 21;B6 0 6 4;C3 5;};D13 9 41 69 100;D12 32 21 68 35;D12 49 21 48 49;B4 4 22 57 102;A1 21 46 56 74;B7 22;B4 0 0 58;C3 47;D13 54 5 7 75 76 69;D13 52 5 8 75 76 69;D13 57 4 64 76 91;D12 0 4 4 84;D12 1 4 51 84;D13 21 22 9 37;A1 23 18 28 89;B4 0 16 22 102;A1 16 25 33;B7 16;B4 0 0 34;D20 31 47;D13 64 4 71 41;C4;B4 4 12 26 89 23 102;for i in {0..3};do A1 0 N1+10+i 72;B7 12;B4 0 0 52;C3 N3+5+i;((i))||C4;done;A1 24 22 29;B7 12;B3 14;A2 39 57 30;B3 15;B6 14 15 4;C3 29;B4 4 13 27 89 65;A1 24 23;B7 13;C3 30;B4 4 0 87;A2 14 61 89 20;B4 0 16;A1 26 50 64;B7 16;C3 6;D13 7 11 6;A3;C2 39;C4;} 4>&2 2>/dev/null;);C5
Copy the selected text to the Clipboard by pressing the key combination command-C.
8. Launch the built-in Terminal application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad and start typing the name.
Click anywhere in the Terminal window and paste by pressing command-V. The text you pasted should vanish immediately. If it doesn't, press the return key.
9. If you see an error message in the Terminal window such as "Syntax error" or "Event not found," enter
exec bash
and press return. Then paste the script again.
10. If you're logged in as an administrator, you'll be prompted for your login password. Nothing will be displayed when you type it. You will not see the usual dots in place of typed characters. Make sure caps lock is off. Type carefully and then press return. You may get a one-time warning to be careful. If you make three failed attempts to enter the password, the test will run anyway, but it will produce less information. In most cases, the difference is not important. If you don't know the password, or if you prefer not to enter it, just press return three times at the password prompt. Again, the script will still run.
If you're not logged in as an administrator, you won't be prompted for a password. The test will still run. It just won't do anything that requires administrator privileges.
11. The test may take a few minutes to run, depending on how many files you have and the speed of the computer. A computer that's abnormally slow may take longer to run the test. While it's running, a series of lines will appear in the Terminal window like this:
[Process started]
        Part 1 of 8 done at … sec
        Part 8 of 8 done at … sec
        The results are on the Clipboard.
        Please close this window.
[Process completed]
The intervals between parts won't be exactly equal, but they give a rough indication of progress. The total number of parts may be different from what's shown here.
Wait for the final message "Process completed" to appear. If you don't see it within about ten minutes, the test probably won't complete in a reasonable time. In that case, press the key combination control-C or command-period to stop it. Then go to the next step.
12. When the test is complete, or if you stopped it because it was taking too long, quit Terminal. The results will have been copied to the Clipboard automatically. They are not shown in the Terminal window. Please don't copy anything from there. All you have to do is start a reply to this comment and then paste by pressing command-V again.
At the top of the results, there will be a line that begins with the words "Start time." If you don't see that, but instead see a mass of gibberish, you didn't wait for the "Process completed" message to appear in the Terminal window. Please wait for it and try again.
If any private information, such as your name or email address, appears in the results, anonymize it before posting. Usually that won't be necessary.
13. When you post the results, you might see an error message on the web page: "You have included content in your post that is not permitted," or "You are not authorized to post." That's a bug in the forum software. Please post the test results on Pastebin, then post a link here to the page you created.
14. This is a public forum, and others may give you advice based on the results of the test. They speak only for themselves, and I may not agree with them.
Copyright © 2014, 2015 by Linc Davis. As the sole author of this work, I reserve all rights to it except as provided in the Use Agreement for the Apple Support Communities website ("ASC"). Readers of ASC may copy it for their own personal use. Neither the whole nor any part may be redistributed.

System "hiccup" during Time Machine Backups

Over the course of the past week or so, I've noiticed that my system will freeze/stall/hiccup (whatever you call it) during Time Machine backups. This will apply to YouTube/Vimeo videos, iTunes (where I noticed it... it's like the song pauses and resumes 2 or 3 times over 10 seconds), task switching, text entry, etc. Again, this is only a recent thing.
Here's a log of what I was doing during this last backup. Didn't check the time when iTunes froze, but it happened at least twice, maybe 3 times.
3/5/13 4:50:35.477 PM com.apple.backupd[48152]: Starting automatic backup
3/5/13 4:50:36.010 PM com.apple.backupd[48152]: Backing up to: /Volumes/Hydra 1/Backups.backupdb
3/5/13 4:50:55.980 PM com.apple.backupd[48152]: Using file event preflight for Mac HD
3/5/13 4:51:18.189 PM com.apple.backupd[48152]: Will copy (2.07 GB) from Mac HD
3/5/13 4:51:19.601 PM com.apple.backupd[48152]: Found 105304 files (2.55 GB) needing backup
3/5/13 4:51:19.638 PM com.apple.backupd[48152]: 4.58 GB required (including padding), 153.96 GB available
3/5/13 4:51:53.825 PM locationd[48163]: NOTICE,Location icon should now be in state 0
3/5/13 4:52:01.241 PM lsboxd[245]: @AE relay 4755524c:4755524c
3/5/13 4:53:40.070 PM mdworker[48192]: Unable to talk to lsboxd
3/5/13 4:53:40.075 PM mdworker[48191]: Unable to talk to lsboxd
3/5/13 4:53:40.219 PM sandboxd[48194]: ([48192]) mdworker(48192) deny mach-lookup com.apple.ls.boxd
3/5/13 4:53:40.226 PM sandboxd[48194]: ([48191]) mdworker(48191) deny mach-lookup com.apple.ls.boxd
3/5/13 4:53:40.000 PM kernel[0]: Sandbox: sandboxd(48194) deny mach-lookup com.apple.coresymbolicationd
3/5/13 4:53:58.561 PM Messages[26674]: [Warning] Updating typing guid on IMMessage from 3FEF0FB8-9FEC-4C4F-93B9-ABA280016F8A to AB036A47-4BE4-4DD7-879D-1ED11CF1F0E0
3/5/13 4:54:08.903 PM iTunes[1027]: _NotificationSocketReadCallbackGCD (thread 0x7fff75326180): Unexpected connection closure...
3/5/13 4:54:08.905 PM ath[1032]: _NotificationSocketReadCallbackGCD (thread 0x7fff75326180): Unexpected connection closure...
3/5/13 4:54:11.000 PM kernel[0]: disk0s2: I/O error.
3/5/13 4:54:27.000 PM kernel[0]: disk0s2: I/O error.
3/5/13 4:54:27.526 PM com.apple.backupd[48152]: Error: (-36) SrcErr:YES Copying /Users/niclake/.dropbox/sigstore.dbx to (null)
3/5/13 4:54:52.106 PM iTunes[1027]: _NotificationSocketReadCallbackGCD (thread 0x7fff75326180): Unexpected connection closure...
3/5/13 4:54:52.108 PM ath[1032]: _NotificationSocketReadCallbackGCD (thread 0x7fff75326180): Unexpected connection closure...
3/5/13 4:55:24.726 PM coreservicesd[65]: Application App:"Sublime Text 2" [ 0x0/0x13ea3e9] @ 0x0x7ffb51e75860 tried to be brought forward, but isn't in fPermittedFrontASNs ( ( ASN:0x0-0x14d24d1:) ), so denying.
3/5/13 4:55:24.726 PM WindowServer[93]: [cps/setfront] Failed setting the front application to Sublime Text 2, psn 0x0-0x13ea3e9, securitySessionID=0x186a3, err=-13066
3/5/13 4:55:24.765 PM authexec[48213]: executing /bin/cp
3/5/13 4:55:35.752 PM KernelEventAgent[45]: tid 00000000 received event(s) VQ_NOTRESP (1)
3/5/13 4:55:35.752 PM KernelEventAgent[45]: tid 00000000 type 'afpfs', mounted on '/Volumes/Chimera', from '//Nic%20Lake@Nic%60s%20AirPort%20Extreme._afpovertcp._tcp.local/Chimera', not responding
3/5/13 4:55:35.000 PM kernel[0]: ASP_TCP Disconnect: triggering reconnect by bumping reconnTrigger from curr value 575 on so 0xffffff8026cb6260
3/5/13 4:55:35.000 PM kernel[0]: ASP_TCP asp_tcp_usr_control: invalid kernelUseCount 0
3/5/13 4:55:35.000 PM kernel[0]: AFP_VFS afpfs_DoReconnect started /Volumes/Chimera prevTrigger 575 currTrigger 576
3/5/13 4:55:35.000 PM kernel[0]: AFP_VFS afpfs_DoReconnect: doing reconnect on /Volumes/Chimera
3/5/13 4:55:35.000 PM kernel[0]: AFP_VFS afpfs_DoReconnect: posting to KEA EINPROGRESS for /Volumes/Chimera
3/5/13 4:55:35.000 PM kernel[0]: AFP_VFS afpfs_DoReconnect: Max reconnect time: 30 secs, Connect timeout: 15 secs for /Volumes/Chimera
3/5/13 4:55:35.000 PM kernel[0]: AFP_VFS afpfs_DoReconnect: connect to the server /Volumes/Chimera
3/5/13 4:55:35.752 PM KernelEventAgent[45]: tid 00000000 found 1 filesystem(s) with problem(s)
3/5/13 4:55:35.869 PM KernelEventAgent[45]: tid 00000000 received event(s) VQ_NOTRESP (1)
3/5/13 4:55:36.000 PM kernel[0]: AFP_VFS afpfs_DoReconnect: Logging in with uam 13 /Volumes/Chimera
3/5/13 4:55:36.000 PM kernel[0]: AFP_VFS afpfs_DoReconnect: Restoring session /Volumes/Chimera
3/5/13 4:55:36.000 PM kernel[0]: AFP_VFS afpfs_DoReconnect: get the reconnect token
3/5/13 4:55:45.111 PM mdworker[48217]: Unable to talk to lsboxd
3/5/13 4:55:45.119 PM mdworker[48218]: Unable to talk to lsboxd
3/5/13 4:55:45.339 PM sandboxd[48215]: ([48217]) mdworker(48217) deny mach-lookup com.apple.ls.boxd
3/5/13 4:55:45.348 PM sandboxd[48215]: ([48218]) mdworker(48218) deny mach-lookup com.apple.ls.boxd
3/5/13 4:55:45.000 PM kernel[0]: Sandbox: sandboxd(48215) deny mach-lookup com.apple.coresymbolicationd
3/5/13 4:56:15.453 PM Messages[26674]: [Warning] Updating typing guid on IMMessage from 87A43B63-A4B2-4E41-B472-34083741613A to BA8D492D-6BDB-4B9B-9A44-50D21FCFAC7E
3/5/13 4:56:24.430 PM Messages[26674]: [Warning] Updating typing guid on IMMessage from 86F1F958-B235-4C5B-BCEE-537E0826534D to 2A54A84E-C80B-43F6-A31B-0148CB5367B0
3/5/13 4:56:31.437 PM lsboxd[245]: @AE relay 4755524c:4755524c
3/5/13 4:56:35.096 PM iTunes[1027]: _NotificationSocketReadCallbackGCD (thread 0x7fff75326180): Unexpected connection closure...
3/5/13 4:56:35.098 PM ath[1032]: _NotificationSocketReadCallbackGCD (thread 0x7fff75326180): Unexpected connection closure...
3/5/13 4:56:37.574 PM Messages[26674]: [Warning] Updating typing guid on IMMessage from A0CF4108-C32F-4E4C-B1FB-5745F2EFA376 to B890B725-4D5B-4338-9574-42E1BC800D26
3/5/13 4:56:53.912 PM iTunes[1027]: _NotificationSocketReadCallbackGCD (thread 0x7fff75326180): Unexpected connection closure...
3/5/13 4:56:53.914 PM ath[1032]: _NotificationSocketReadCallbackGCD (thread 0x7fff75326180): Unexpected connection closure...
3/5/13 4:57:09.327 PM iTunes[1027]: _NotificationSocketReadCallbackGCD (thread 0x7fff75326180): Unexpected connection closure...
3/5/13 4:57:09.331 PM ath[1032]: _NotificationSocketReadCallbackGCD (thread 0x7fff75326180): Unexpected connection closure...
3/5/13 4:57:48.285 PM mdworker[48246]: Unable to talk to lsboxd
3/5/13 4:57:48.291 PM mdworker[48247]: Unable to talk to lsboxd
3/5/13 4:57:48.388 PM sandboxd[48243]: ([48246]) mdworker(48246) deny mach-lookup com.apple.ls.boxd
3/5/13 4:57:48.423 PM sandboxd[48243]: ([48247]) mdworker(48247) deny mach-lookup com.apple.ls.boxd
3/5/13 4:57:48.000 PM kernel[0]: Sandbox: sandboxd(48243) deny mach-lookup com.apple.coresymbolicationd
3/5/13 4:58:13.430 PM Tweetbot[22562]: CoreAnimation: warning, deleted thread with uncommitted CATransaction; set CA_DEBUG_TRANSACTIONS=1 in environment to log backtraces.
3/5/13 4:58:25.538 PM iTunes[1027]: _NotificationSocketReadCallbackGCD (thread 0x7fff75326180): Unexpected connection closure...
3/5/13 4:58:25.540 PM ath[1032]: _NotificationSocketReadCallbackGCD (thread 0x7fff75326180): Unexpected connection closure...
3/5/13 4:58:30.819 PM iTunes[1027]: ImageIO: JPEG Corrupt JPEG data: premature end of data segment
3/5/13 4:58:30.829 PM Bowtie Butler[1030]: ImageIO: JPEG Corrupt JPEG data: premature end of data segment
3/5/13 4:59:52.515 PM com.apple.backupd[48152]: Copied 118801 files (2.47 GB) from volume Mac HD.
3/5/13 4:59:52.707 PM com.apple.backupd[48152]: Using file event preflight for Mac HD
3/5/13 4:59:53.910 PM com.apple.backupd[48152]: Will copy (3.4 MB) from Mac HD
3/5/13 4:59:53.913 PM com.apple.backupd[48152]: Found 120 files (3.4 MB) needing backup
3/5/13 4:59:53.914 PM com.apple.backupd[48152]: 1.84 GB required (including padding), 150.66 GB available
3/5/13 5:00:16.000 PM kernel[0]: disk0s2: I/O error.
3/5/13 5:00:16.222 PM com.apple.backupd[48152]: Error: (-36) SrcErr:YES Copying /Users/niclake/.dropbox/sigstore.dbx to (null)
3/5/13 5:00:35.593 PM com.apple.backupd[48152]: Copied 1349 files (53 MB) from volume Mac HD.
3/5/13 5:00:36.426 PM KernelEventAgent[45]: tid 00000000 received event(s) VQ_NOTRESP (1)
3/5/13 5:00:36.426 PM KernelEventAgent[45]: tid 00000000 type 'afpfs', mounted on '/Volumes/Chimera', from '//Nic%20Lake@Nic%60s%20AirPort%20Extreme._afpovertcp._tcp.local/Chimera', not responding
3/5/13 5:00:36.000 PM kernel[0]: ASP_TCP Disconnect: triggering reconnect by bumping reconnTrigger from curr value 576 on so 0xffffff8026cb6260
3/5/13 5:00:36.000 PM kernel[0]: ASP_TCP asp_tcp_usr_control: invalid kernelUseCount 0
3/5/13 5:00:36.000 PM kernel[0]: AFP_VFS afpfs_DoReconnect started /Volumes/Chimera prevTrigger 576 currTrigger 577
3/5/13 5:00:36.000 PM kernel[0]: AFP_VFS afpfs_DoReconnect: doing reconnect on /Volumes/Chimera
3/5/13 5:00:36.000 PM kernel[0]: AFP_VFS afpfs_DoReconnect: posting to KEA EINPROGRESS for /Volumes/Chimera
3/5/13 5:00:36.000 PM kernel[0]: AFP_VFS afpfs_DoReconnect: Max reconnect time: 30 secs, Connect timeout: 15 secs for /Volumes/Chimera
3/5/13 5:00:36.000 PM kernel[0]: AFP_VFS afpfs_DoReconnect: connect to the server /Volumes/Chimera
3/5/13 5:00:36.427 PM KernelEventAgent[45]: tid 00000000 found 1 filesystem(s) with problem(s)
3/5/13 5:00:36.000 PM kernel[0]: AFP_VFS afpfs_DoReconnect: Logging in with uam 13 /Volumes/Chimera
3/5/13 5:00:36.543 PM KernelEventAgent[45]: tid 00000000 received event(s) VQ_NOTRESP (1)
3/5/13 5:00:36.000 PM kernel[0]: AFP_VFS afpfs_DoReconnect: Restoring session /Volumes/Chimera
3/5/13 5:00:36.000 PM kernel[0]: AFP_VFS afpfs_DoReconnect: get the reconnect token
3/5/13 5:00:37.029 PM com.apple.backupd[48152]: Created new backup: 2013-03-05-170036
3/5/13 5:00:41.100 PM com.apple.backupd[48152]: Starting post-backup thinning
3/5/13 5:00:41.100 PM com.apple.backupd[48152]: No post-back up thinning needed: no expired backups exist
3/5/13 5:00:41.218 PM com.apple.backupd[48152]: Backup completed successfully.

The boot drive is failing, or you have some other hardware fault.
Back up all data immediately, then make a "Genius" appointment at an Apple Store to have the machine tested.
If privacy is a concern, erase the data partition(s) with the option to write zeros* (do this only if you have at least two complete, independent backups, and you know how to restore to bare metal from any of them.) Don’t erase the recovery partition, if present.
*An SSD doesn't need to be zeroed.

Time machine backup freezing up

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