Time Machine backup to remote shared external HD

I've read through a lot of posts about this and I'm stuck.
I have a MacBookPro and a Mac Air.
Both are on the same WiFi network.
The MacBookPro has a firewire drive attached.
The MacBookPro has File Sharing on and a "TimeMachine" partition on the external FW drive is "shared".
From the Air I can "Connect As" a standard user account on the MacBook Pro.
I can "Mount" the "TimeMachine" partition on the Air
Problem: When I use System Preferences...TimeMachine and search for a drive to use for backup it does not see the mounted remote partition.
Any tips or suggestions would be appreciated!
-- Randy

It might help to backup and tell you what I'm trying to accomplish, overall.
I am trying to use Time Machine backup for two computers on a large external FW drive. The FW drive will be connected to my MBP and the Air will use the WiFi shared connection. Earlier you answered another question of mine about merging Time Machine backups and I realized that the best approach is to start fresh with a new external HD that I can reformat, etc.
I use SuperDuper and Drive Genius as my HD tools.
So, I'm able to take my new LaCie drive and partition/format it anyway that will work best with Time Machine.
I'd like to attempt to use my Time Machine backup from this last month (on "TimeMachineBackup") by moving it to the "TimeMachine1" partition and then have the two machine send both of their backups to that drive.
My steps this morning were aimed at verifying that WiFi Time Machine backup works, but, maybe with your guidance and suggestions I can just move directly to a suggested configuration.
Thanks for your help. It is appreciated.
-- Randy

Similar Messages

I have my Time Machine on an external drive (not connected to Airport Extreme) and I have an external HD attached to airport extreme. Is it possible to have Time Machine backUp computer HD AND external HD connected to Airport Extreme. How?

I have my Time Machine on an external drive (not connected to Airport Extreme) and I have an external HD attached to airport extreme. Is it possible to have Time Machine backUp computer HD AND external HD connected to Airport Extreme. How?

Is it possible to have Time Machine backUp computer HD AND external HD connected to Airport Extreme.
Sorry, but no.
Time Machine will backup your Mac, but not the hard drive attached to the AirPort Extreme.
Time Machine will back up a hard drive only if it is attached directly to your Mac via USB or FireWire.

I am trying to do a full Time Machine Backup to a new external disk. The backup starts, and it says "Time remaining about 4 days." That seems like a very long time, but the real problem is that the computer "logs off" after a few hours, and the b.u. stops

I am trying to do a full Time Machine Backup to a new external disk. The backup starts, and it says "Time remaining about 4 days." That seems like a very long time, but the real problem is that the computer "logs off" after a few hours, and the backup stops. The system preferences are set to "Never" for Computer sleep and Display sleep. The computer does not ordinarily log off automatically, but it has done this twice since I started the Time Machine backup.

If you have more than one user account, these instructions must be carried out as an 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.
Enter the word "Starting" (without the quotes) in the String Matching text field. You should now see log messages with the words "Starting * backup," where * represents any of the words "automatic," "manual," or "standard." Note the timestamp of the last such message. Clear the text field and scroll back in the log to that time. Select the messages timestamped from then until the end of the backup, or the end of the log if that's not clear. Copy them (command-C) to the Clipboard. Paste (command-V) into a reply to this message.
If all you see are messages that contain the word "Starting," you didn't clear the search box.
If there are runs of repeated messages, post only one example of each. Don't post many repetitions of the same message.
When posting a log extract, be selective. Don't post more than is requested.
Please do not indiscriminately dump thousands of lines from the log into this discussion.
Some personal information, such as the names of your files, may be included — anonymize before posting.

Can i resume a Time Machine backup of an attached external drive (no system, just data) on a different laptop?

I am trying to find out if I can use a Time Machine (specifically on a 2013 Time Capsule) backup of an external drive (only data, no system) attached to a laptop, and then connect that same external drive to another laptop and resume the backup? Or is the Time Machine backup of an attached external drive a laptop "dependant" backup?
Additional info: The laptops in question are 15" MacBook Pro and a 17" MacBook Pro from 2011 running OSX 10.9 (Mavericks)

You are welcome.
I don't think there is a need to start a new discussion unless you want to.
You should have more than one backup of each computer. Hard drives do fail. Time Machine can alternate drives or have a Time Machine and a clone.
The concern arises because i was told that when a wireless Time Machine backup is interrupted the sparsebundle gets sort of "locked" or "damaged", and although the backups can be accessed, no further Time Machine backup is possible. One must that a brand new backup.
Apple support article. Don't let the title bother you. Look at Additional Information, which explains what happens when a backup gets interrupted. I also am including a link for troubleshooting. C3 explains what you can try if the backup is interrupted.
Time Machine First Backup Interrupted
Time Machine Troubleshooting

How Can I Migrate My Time Machine Backups To A New External Hard Drive?

I have a external hard drive that has 500 GBs left, but I want to buy a larger drive.

ivan wrote:
How Can I Migrate My Time Machine Backups To A New External Hard Drive?
I have a external hard drive that has 500 GBs left, but I want to buy a larger drive.
Hi iVain
Fire up *Disk Utility*, click the Restore tab, then drag your old and new TM drives into the Source and Destination fields. Click Restore, and a complete copy of your old TM files will be made on the new drive. Go to TM preferences and select the new drive, and it will continue backing up just as it left off.
Hope this answers your question. See:
http://discussions.apple.com/thread.jspa?threadID=2595485&tstart=0

Encrypted Time Machine Backups on a shared drive

Hello community,
the following situation:
I have an iMac and a MacBook Air, both running Mountain Lion.
Both use FileVault 2 encryption of the whole MacOS partition.
The iMac is connected to an external USB hard drive, which I use as Time Machine volume. I've set up Time Machine to encrypt the backups on the external volume (it took abou 2 days until the whole drive was encrypted).
So far no problems. No let's get to the tricky part.
I want to the MacBook to use the same USB drive for its Time Machine backups. However I don't want to connect the volume directly via USB. Instead I have shared the USB volume on the iMac. And now I want to use this shared drive as my backup drive in the MacBook. (Hint: I want to use the same partition both for the iMac backups as well as for the MacBook backups.)
I can mount and select the drive on the MacBook. However Time Machine on the MacBook asks me, if I want to envrypt the backups. Which of course I want to do. But the USB drive and therefore the entire mounted volume is already encrypted (from the iMac).
Now I'm scared to opt in for encryption on the MacBook because I'm afraid the MacBook will again encypt the whole volume. Will that be the case? If so, what will happen on the iMac afterwards? Or will Time Machine recognize, that the volume is already encrypted (encryption passwords are the same of course)?
Or is it not necessary to activate backup encryption on the MacBook since the drive is already encryted? Or will the MacBook somehow manage to write unencrypted backups on an encrypted volume?
I would really appreciate any help to get the backups up and running. In short: I want both Macs to backup to the same drive. And I want both to encrypt the backups (with the same password).
Regards

meistermilchreis wrote:
(Hint: I want to use the same partition both for the iMac backups as well as for the MacBook backups.)
That's usually not a good idea; for best results, they should be in separate partitions. See Time Machine - Frequently Asked Question #4 for an explanation, and #22 for setup instructions.
I can mount and select the drive on the MacBook. However Time Machine on the MacBook asks me, if I want to envrypt the backups. Which of course I want to do. But the USB drive and therefore the entire mounted volume is already encrypted (from the iMac).
Backups made over a network are placed in a sparse bundle disk image, separate from the backups made directly. The disk image is like a disk-within-a-disk; it has it's own partition map scheme and format. So it will not be encrypted unless you tell TM to do so.
In short: I want both Macs to backup to the same drive. And I want both to encrypt the backups (with the same password).
Since the backups are separate, they must be encrypted separately. You may use the same password for both if you want.

Time machine backups to remote volumes

Hi all,
Been having trouble with backing up a Lion system onto a remote (network) volume. The idea is basically to back up a (client) Mac onto a disk hosted by another Mac (the backup server).
I can get the initial backup to work:
1. share the disk to back up to on the backup server via File Sharing, and ensure to use an administrator account at the client Mac to log onto in order for it to see the backup disk.
2. mount the backup disk over the network onto the client Mac.
3. get Time Machine to select that network disk as a backup disk.
4. start the backup.
All this works, and I am left with a good initial backup. However, subsequent backups fail with the following message after the client Mac is next rebooted:
The syslog shows some rather perculiar difficulty in managing its backup disks:
15/12/11 11:44:31.309 PM com.apple.backupd: Starting standard backup
15/12/11 11:44:31.436 PM com.apple.backupd: Attempting to mount network destination URL: afp://Tony%20Kavadias@L%C3%B3rien._afpovertcp._tcp.local/Rivendell
15/12/11 11:44:31.792 PM com.apple.backupd: Mounted network destination at mountpoint: /Volumes/Rivendell-1 using URL: afp://Tony%20Kavadias@L%C3%B3rien._afpovertcp._tcp.local/Rivendell
15/12/11 11:45:10.045 PM com.apple.backupd: Failed to eject volume /Volumes/Rivendell-1 (FSVolumeRefNum: -104; status: -47; dissenting pid: 0)
15/12/11 11:45:10.046 PM com.apple.backupd: Waiting 60 seconds and trying again.
15/12/11 11:46:10.108 PM com.apple.backupd: Network destination already mounted at: /Volumes/Rivendell-1
15/12/11 11:46:46.912 PM com.apple.backupd: Failed to eject volume /Volumes/Rivendell-1 (FSVolumeRefNum: -104; status: -47; dissenting pid: 0)
15/12/11 11:46:46.913 PM com.apple.backupd: Waiting 60 seconds and trying again.
15/12/11 11:47:46.967 PM com.apple.backupd: Network destination already mounted at: /Volumes/Rivendell-1
15/12/11 11:48:23.618 PM com.apple.backupd: Failed to eject volume /Volumes/Rivendell-1 (FSVolumeRefNum: -104; status: -47; dissenting pid: 0)
15/12/11 11:48:23.618 PM com.apple.backupd: Giving up after 3 retries.
15/12/11 11:48:33.630 PM com.apple.backupd: Backup failed with error: 21
More digging around leads to the observation that /Volumes/Rivendell-1 (the filesystem that Time Machine mounts from the backup server) is now stuck and cannot be unmounted—to get rid of it, I have to reboot the client Mac. And that the sparse disk image file Annuminas.sparsebundle is mounted read-only when Time Machine attempts to mount it for writing subsequent backups to!
The only way I can recover is to erase the backup and start another initial one, but that defeats the purpose of having a continuously running Time Machine backup.
The client Mac is running Mac OS X 10.7.2 Lion, while the backup server is running Mac OS X 10.6.8 Snow Leopard. The latter is really just using AFP services to export a disk to the network, whereas Lion is using Time Machine to make backups on the network disk.
Any help or ideas would be greatly appreciated. Many thanks,
—tonza

Oh... discovered something odd... the Time Machine Backups volume (that is the volume that is mounted from the Annuminas.sparseimage file on the fileserver) is being mounted read-only!
/dev/disk0s2 on / (hfs, local, journaled)
devfs on /dev (devfs, local, nobrowse)
map -hosts on /net (autofs, nosuid, automounted, nobrowse)
map auto_home on /home (autofs, automounted, nobrowse)
afp_000000004oMw0oYHtK1bbUQr-1.2d000004 on /Volumes/Rivendell (afpfs, nobrowse)
/dev/disk1s2 on /Volumes/Time Machine Backups (hfs, local, nodev, nosuid, read-only)
How is Time Machine going to write to a read-only volume?! This is not making any sense!
If there is one thing I do know about the BSD kernel is that filesystems are mounted read-only if it has been detected by the filesystem driver that a volume is marked dirty or corrupt. Another thing I'll do is check via Disk Utility that Time Machine Backups needs to be fixed. If Time Machine is indeed making faulty sparse images, it may be due to Snow Leopard's AFP server after all.
—tonza

Time Machine backup? pictures and external hard drive

I know this question has been asked before but I just wanted to make sure of something. Does a basic Time Machine backup backup all photos? And also a real basic question-- Is a Apple Time Capsule the same as a external hard drive?

You can save the pictures in Time Machine backup.. that is not a problem and what the TC is designed for.
You cannot off load the pictures from the internal disk of the computer and use the Time Capsule as the drive for a running library.. that is when it will get corrupted.. if you need more space for a library use External drive that plugs in by USB or FW or Thunderbolt. And it must be formatted standard Mac OS extend journaled.. then Time Machine can backup the drive to the Time Capsule.
I should also use the language more carefully.. the TC is fine for files even of pictures.. but it is unsuitable for an iphoto library or aperture library. I am always assuming on a Mac when people talk about pictures then they mean a library.. but if you save raw pictures from the camera onto a TC directly that is fine. The only issue that then arises is no automated backups.. TC is not a NAS in the normal sense of the word.. Every NAS has a built automated backup.. TC does not. You also cannot backup files on the TC using TM.. it was designed as a Target for Time Machine backups Not as a source. There are other backup products that will work.. but then you will need to figure out where to back up file to.. and the worst possible place is the USB on the TC.

Time machine back up to shared external drive

We have 4 computers running leopard, all on an airport wireless network. If I have an external hard drive attached to the airport extreme base, non of the computers know that it exists. If I attach it only to one computer directly, via USB, then the others can't seem to access it, although it will run time machine backups for that computer, only. I want to be able to back up all of the computers to one external drive, and share information between them (like transferring photos.) Does an external drive have to be dedicated to one computer only, and directly plugged in, to run time machine?

I have been bitterly disappointed on upgrading to Leopard and have spent the last 10 days installing and reinstalling. I am unable to use Boot camp or Parallels with windows but have corrected most things by erasing and doing new install, then finding all my applications and documents and copying them directly from Time machine. The new problem is that my Toshiba USB external hard backup drive is now locked and I saw a report of time machine doing this. I have hunted high and low and can't find any info on this. I have tried to reset permissions but the drive is seen as read only. I cannot change this even from the Leopard install disk and I cannot write to the disc, can you advise how to change the permissions. I have been able to reset from Standard user to Admin by completely erasing and reinstalling but this does not change the access to my external hard drive, can you help please?

Can I clone and time machine backup on the same external drive?

I recently purchased a WD 2 TB external usb drive. I want to make sure that I have good backups in case my Macbook decides to give up on me. Should I clone a copy of HD or just time machine backup? Can i do both on one external hd?

RobCob wrote:
I'm honestly only concerned about my photos and music.
You can Manually Backup your iPhoto Library and your iTunes Library to an External Drive without addition Software.
How to correctly move your media:
iTunes: How to move the library to an EHD
Early iPhoto: How to move the Library to an EHD
iPhoto '11: Move your iPhoto library to a new location
iMovie: How to move the Library to an EHD
It is important that the External Hard Drive is formatted as Mac OS Extended (journaled).

Time Machine backup of LR on external

Does Time Machine automatic backups change how LR catalog backups can be handled?
I have original dng master files, lrcat file, and lrdata file on an external drive. It's a bus powered FW 800 that I keep with me between home and office. Both the home and office Macs have other externals used for Time Machine backups.
What's the risk of keeping lrcat backups (LR does one each time it opens) on external if Time Machine backs up hourly?
Thank you

Ans to Q1 - only the lrcat file is backed up!
Ans to Q2 -The size of both depends on a number of factors, including: number of images in catalog, size and quality setting for previews (see attachment). The following examples are based on high quality Standard-sized Previews at 1680 pixels:
Example 1 - 2,560 raw images with full sized (1:1) previews built for each = 49.6MB lrcat file and 7.8GB lrdata file.
Example 2 - 22,400 raw images with only Standard-sized previews = 302MB lrcat file and 20.3GB lrdata file.
Example 3 - same files numbers as example 2, but 1:1 previews built for each - 302MB lrcat and 60.3GB
The following FAQ provides some insight on how the previews are stored and why dumping them doesn't always mean that they go away: http://www.adobeforums.com/webx/.59b63219

Time Machine Backup transfer to another external drive

Hi all,
I keep my Time Machine backups on an external HDD drive (portable USB). I have a larger drive with more space, and wanted to copy my the backup to the larger drive.
My the Time Machine backup file folder is around 750GB. When copying the Backups.backupdb file over to the new HDD the process hangs in Finder. I wonder if there a way to successfully copy it, since the Finder does not seem happy to work with such large chunks of data.
Thanks

Although Apple documentation says you can copy Time Machine backups in the Finder, it's very slow and sometimes doesn't work at all.
This technique will only work if the volume you're copying to is the same size, or larger than, the one you're copying from.
First, open the Time Machine preference pane and click the Select Disk... button. You may have to unlock the settings first by clicking the padlock icon in the lower left corner of the window. Authenticate as an administrator.
Delete the volume you're going to copy from the list of backup destinations. Then turn Time Machine OFF.
Launch Disk Utility, open the built-in help, and search for the term "Duplicate." Follow the instructions. All existing data on the destination volume will be erased. That shouldn't be a problem, because you don't want to mix backup and non-backup data on the same drive anyway.
If the volume you're copying was encrypted by Time Machine, you may have to unlock it first. Click the Unlock button in the toolbar of the Disk Utility window.
Turn Time Machine back ON and select the new volume as a backup destination. You can also continue to use the old volume, if you wish. The two will be alternated when both are available.
CAUTION: If the volume you're copying is corrupt, as shown by Repair Disk or Verify Disk in Disk Utility, then that corruption will be copied to the new drive. Don't copy data from a corrupt volume on a malfunctioning drive. Put the drive aside and don't use it until you're sure you'll no longer need the data. Then securely erase it and take it to a recycling center. Do the same if the Restore operation fails with "disk errors."

Time Machine Backup to network shared drive.

Hi All,
I'm a relatively new Mac user (only had my MacBook Air (2010) since about Oct/Nov. I've been trying to get Time machine up and running so that it backs up to a shared 2TB drive on my wife's Windows Desktop Computer, but have only been partially successful.
Theese are the instructions I used: http://safalra.com/other/time-machine-network-drive/
Everything went super smooth and I was rewarded with a Time Machine Backup of about 94GB in progress when I went to sleep last night. However, when I woke up this morning I saw the error that something went wrong (same error I always see) and that I should try again later.
I restarted the backup on the Time Machine to see a backup progress of "43K of 32GB". It seems to be staying right there though. This seems to happen every time I try this. Has anyone had any success doing a Time Machine backup to a Windows Network drive?

The most recent error was along the lines of C3: ". . . an error occurred while copying files to the backup volume".
"The backup was not performed because an error occurred while copying files to the backup disk. The problem may be temporary. Try again later to back up. if the problem persists, use Disk Utility to repair your backup disk.:
Also, here's the 4 most recent log entries I have from Time Machine Buddy. They go newest (top) to oldest (bottom).
Starting standard backup
Backing up to: /Volumes/500GB-Time Miachine/Backups.backupdb
Error parsing SystemMigration.log to determine source volume of system migration.
No pre-backup thinning needed: 42.93 GB requested (including padding), 384.42 GB available
Stopping backup.
Error: (-41) SrcErr:NO Copying /Users/ericmontgomery/Music/iTunes/iTunes Media/Music/Album Artwork/Download/677910B9A6CE02EF/00/12/11/677910B9A6CE02EF-8FE79D8543C93BC0.it c2 to /Volumes/500GB-Time Miachine/Backups.backupdb/EricsMBA/2011-02-05-081809.inProgress/960F3178-23CD-4 B54-A669-4630937E75B9/Macbook Air/Users/ericmontgomery/Music/iTunes/iTunes Media/Music/Album Artwork/Download/677910B9A6CE02EF/00/12/11
Copied 1202 files (5.2 GB) from volume Macbook Air.
Copy stage failed with error:11
Backup failed with error: 11
Starting standard backup
Backing up to: /Volumes/500GB-Time Miachine/Backups.backupdb
Error parsing SystemMigration.log to determine source volume of system migration.
No pre-backup thinning needed: 42.93 GB requested (including padding), 384.42 GB available
Starting standard backup
Backing up to: /Volumes/500GB-Time Miachine/Backups.backupdb
Error parsing SystemMigration.log to determine source volume of system migration.
No pre-backup thinning needed: 42.93 GB requested (including padding), 399.92 GB available
Stopping backup.
Error: (-41) SrcErr:NO Copying /Users/ericmontgomery/Music/iTunes/iTunes Media/Music/Album Artwork/Download/677910B9A6CE02EF/00/12/11/677910B9A6CE02EF-8FE79D8543C93BC0.it c2 to /Volumes/500GB-Time Miachine/Backups.backupdb/EricsMBA/2011-02-05-081809.inProgress/48A5220A-4A96-4 8A2-A847-39C28D38F253/Macbook Air/Users/ericmontgomery/Music/iTunes/iTunes Media/Music/Album Artwork/Download/677910B9A6CE02EF/00/12/11
Copied 263 files (5.2 GB) from volume Macbook Air.
Starting standard backup
Attempting to mount network destination using URL: smb://Liz@liz-desktoppc/EricsBackup
Mounted network destination using URL: smb://Liz@liz-desktoppc/EricsBackup
QUICKCHECK ONLY; FILESYSTEM CLEAN
Disk image /Volumes/EricsBackup/EricsMBA_5855caf7dafb.sparsebundle mounted at: /Volumes/Time Machine
Backing up to: /Volumes/Time Machine/Backups.backupdb
Error parsing SystemMigration.log to determine source volume of system migration.
No pre-backup thinning needed: 36.19 GB requested (including padding), 1.48 TB available
Stopping backup.
Error: (-41) SrcErr:NO Copying /Users/ericmontgomery/Music/iTunes/iTunes Media/Music/Album Artwork/Download/677910B9A6CE02EF/00/12/11/677910B9A6CE02EF-8FE79D8543C93BC0.it c2 to /Volumes/Time Machine/Backups.backupdb/EricsMBA/2011-02-04-195508.inProgress/F3C62C97-D053-4C D5-8D47-DF87184DF59C/Macbook Air/Users/ericmontgomery/Music/iTunes/iTunes Media/Music/Album Artwork/Download/677910B9A6CE02EF/00/12/11
Copied 298519 files (1.7 GB) from volume Macbook Air.
Copy stage failed with error:11
Backup failed with error: 11
Ejected Time Machine disk image.
Ejected Time Machine network volume.
Message was edited by: EricMontgomery

Time Machine - backup System Drive and External Drive to 2 partitions? Help

Hi all, I'm a bit confused with Time Machine. Here's the situation:
I have my internal system drive (500GB) and an external FW drive (500GB). I have a backup drive (1TB). I would like to partition my backup drive and have Time Machine backup my system drive to partition 1, my external drive to partition 2. The Time Machine interface does not make it obvious how to do this. Is it possible? How?
Thanks!
js

js,
No, Time Machine will not do this. While it can back up both volumes, it will do so by creating two folders within the "Backups.backupdb" folder, each named for one of the volumes being backed up. In other words, it backs up both volumes to the single volume.
You'll need to carefully consider whether or not it makes sense to use it with both. Obviously, the backup drive (1 TB) will need to have just one partition to contain everything. Additionally, Time Machine really needs at least twice the amount of space required for the initial backup. Closer to 3X, if it can be managed. This is to insure that it will always have enough room to "do its thing" with subsequent backups. In order to evaluate this, you'll need to add the amount of data being stored on both source volumes, then estimate how much that data might change and/or grow over time. I would recommend strongly against using Time Machine to backup both volumes if you think the total might ever exceed 500 GBs (that is, the total used on the two source volumes). Even if you think it might come close, this would tend to recommend against using Time Machine.
If you really have the kind of data that fills up 2 500 GB drives, especially if one of those is your boot drive, you should seriously consider some hefty file management. This doesn't rule out Time Machine; quite the contrary. However, you'll need to separate your data into "live" data, and that which can be "archived." Your installation of OS X, all your applications, and your day-to-day "user files" would obviously be considered "live." To this total, you would add any files on which you might be working, in various "projects."
Anything and everything else is a strong candidate for "archival." These files would be best stored separately, where their need for constantly updated redundancy is eliminated. If they can be archived to DVDs, all the better (I would want to do this in addition to storing them on a relatively static and rarely used external drive).
If you adopt such a routine, you should realistically be able to whittle down your boot volume to no more than 100 GBs. Perhaps a little more if you are using Pro apps such as the CS suite, FCP, etc., along with their attendant template libraries.
Under such a scenario, Time Machine would work very well in backing up your boot volume and any external drive you would use for additional "live" project files. Everything else could be stored on an external drive that you would use only when you need access to the old archived data, and it could be made redundant by you, manually, as and when you see fit. Since this data would be and remain "static" in nature, it would not need regular and recurrent backup.
Scott
For example,

Unable to complete Time Machine backup to Iomega 1TB external drive

I've read through all the posted topics related to Time Machine failing. I've run Disk Utility without errors; ensured that the external drive is formatted correctly GUID; 1 partition; Mac OS Extended (Journaled); downloaded TimeMachineBuddy; and still cannot get my new Iomega 1TB hard drive to complete a backup. My prior external drive, a LaCie, had no such difficulties but is now full.
Here is the TimeMachineBuddy error report. I am hoping one of you can help me understand what my next steps should be and thank you, in advance:
Starting standard backup
Backing up to: /Volumes/Iomega-BU-02/Backups.backupdb
Ownership is disabled on the backup destination volume. Enabling.
Error parsing SystemMigration.log to determine source volume of system migration.
Backup content size: 82.2 GB excluded items size: 1.2 GB for volume Macintosh HD
No pre-backup thinning needed: 97.28 GB requested (including padding), 930.58 GB available
Waiting for index to be ready (101)
Error writing to backup log. NSFileHandleOperationException:* -[NSConcreteFileHandle writeData:]: Input/output error
Error: (-36) SrcErr:NO Copying /Applications/Adobe Flash CS4/AIK1.1/runtimes/air/mac/Adobe AIR.framework/Versions/Current/Adobe AIR to /Volumes/Iomega-BU-02/Backups.backupdb/Lydia Mann’s iMac/2010-04-06-211444.inProgress/A0522F91-AE77-4536-BE6F-654DA7F2F4B5/Macintos h HD/Applications/Adobe Flash CS4/AIK1.1/runtimes/air/mac/Adobe AIR.framework/Versions/Current
Stopping backup.
Error writing to backup log. NSFileHandleOperationException:* -[NSConcreteFileHandle writeData:]: Input/output error
Error: (-8062) SrcErr:NO Copying /Applications/Adobe Flash CS4/AIK1.1/runtimes/air/mac/Adobe AIR.framework/Versions/Current/Adobe AIR to /Volumes/Iomega-BU-02/Backups.backupdb/Lydia Mann’s iMac/2010-04-06-211444.inProgress/A0522F91-AE77-4536-BE6F-654DA7F2F4B5/Macintos h HD/Applications/Adobe Flash CS4/AIK1.1/runtimes/air/mac/Adobe AIR.framework/Versions/Current
Copied 23.5 GB of 81.1 GB, 36103 of 932234 items

Thanks, Pondini.
I attached a new drive last night. Time Machine prompted me that it needed reformatting, which it did internally, without going to Disk Utility. It then started a backup but hung on "cleaning up" where I found it this morning.
Again, the finder was taken out with the TM hang and I had to hard reboot (on/off button - restart doesn't work nor does force quitting finder).
Here is the sad log from last night's attempt. Since it mentions an entirely new set of failures I am now ready to point to my computer as the faulty party. $180 worth of external drives into this, I am reticent about sinking anymore money into this until I rule out the computer itself. This line "NSFileHandleOperationException:* -[NSConcreteFileHandle writeData:]: Input/output error"
seems to be the essential problem.
Starting standard backup
Backing up to: /Volumes/Time Machine Backups/Backups.backupdb
Ownership is disabled on the backup destination volume. Enabling.
Error parsing SystemMigration.log to determine source volume of system migration.
Backup content size: 176.6 GB excluded items size: 90.1 GB for volume Macintosh HD
No pre-backup thinning needed: 103.69 GB requested (including padding), 930.58 GB available
Waiting for index to be ready (101)
Error writing to backup log. NSFileHandleOperationException:* -[NSConcreteFileHandle writeData:]: Input/output error
Error: (-36) SrcErr:NO Copying / WORK/clientname/pdfs.zip to /Volumes/Time Machine Backups/Backups.backupdb/myname’s iMac/2010-06-29-220723.inProgress/EFF47981-66BF-4C86-BA7F-7F802EC954F2/Macintos h HD/ WORK/KeriGans
Stopping backup.
Error writing to backup log. NSFileHandleOperationException:* -[NSConcreteFileHandle writeData:]: Input/output error
Error: (-8062) SrcErr:NO Copying / WORK/clientname/pdfs.zip to /Volumes/Time Machine Backups/Backups.backupdb/myname's iMac/2010-06-29-220723.inProgress/EFF47981-66BF-4C86-BA7F-7F802EC954F2/Macintos h HD/ WORK/KeriGans
Error writing to backup log. NSFileHandleOperationException:* -[NSConcreteFileHandle writeData:]: Input/output error
Error writing to backup log. NSFileHandleOperationException:* -[NSConcreteFileHandle writeData:]: Input/output error
Error writing to backup log. NSFileHandleOperationException:* -[NSConcreteFileHandle writeData:]: Input/output error
Copied 12301 files (7.4 GB) from volume Macintosh HD.
Error writing to backup log. NSFileHandleOperationException:* -[NSConcreteFileHandle writeData:]: Input/output error
Copy stage failed with error:11
Error writing to backup log. NSFileHandleOperationException:* -[NSConcreteFileHandle writeData:]: Input/output error
Error writing to backup log. NSFileHandleOperationException:* -[NSConcreteFileHandle writeData:]: Input/output error
Error writing to backup log. NSFileHandleOperationException:* -[NSConcreteFileHandle writeData:]: Input/output error
Error: (-36) Creating directory myname’s iMac 2
Error: (-36) Creating directory myname’s iMac 3
Error: (-36) Creating directory myname’s iMac 4
Error: (-36) Creating directory myname’s iMac 5
Error: (-36) Creating directory myname’s iMac 6
Error: (-36) Creating directory myname’s iMac 7
Error: (-36) Creating directory myname’s iMac 8
Message was edited by: lkmweb

Time Machine backup to remote shared external HD

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