When I check my boot SSD drive using Disk Utility under Mavericks, I often get "Incorrect number of extended attributes" errors. But if I boot off an external drive and check the same SSD, no errors are reported. Is this a bug in Mavericks?

When I check my boot SSD drive using Disk Utility under Mavericks, I often get "Incorrect number of extended attributes" errors. But if I boot off an external drive and check the same SSD, no errors are reported.
This happens not just with the SSD in my Mac Mini, but with another SSD in my MacBook (both now running Mavericks). So far as I know, all of the kit I am using is in good order (despite the file corruption reports). So I am beginning to wonder if it could be due to a bug in Mavericks? Both SSD drives have been formatted to MacOS Extended (journaled) format. Should I have used a different format, I wonder?
Has anyone else encountered this issue?
Does anyone have a solution?
Or an explanation that might help my investigation of the issue?
Thanks guys,

I understand that the Corsair Force 3 is not one of the SSD drives that are supported on Apple Macs.
I did try downloading and using Trim Enabler, but the error message came up both when it was off and when it was on.
I understand that not everyone thinks Trim Enabler is a good program, though there is a new version out now, so I may give it another try.

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Clone Drive using Disk Utility

Greetings,
Recently my 15, Aluminum FW800 has had the black screen of death. where I can only make out the faintest images on the screen. I took it to my local Genius bar, where he suggested that I send it in for the flat fee of 320 to get it fixed. I figured thats a good deal, so I agreed.
The problem, however, is that he said they may replace the hard drive... thus I need a complete backup of my drive. I used the backup utility in Tiger and selected the entire drive, and 4 hours later I had it copied to an external drive. However, I have also heard that you can clone a drive using disk utility. I figure if this is possible, i might as well try, since I have the space and redundancy is the key to an effective backup.
As mentioned above, though, I can only barely make out the screen, and have no instructions on how to do this backup. Does anyone know of a link that will guide me step by step through this process? I would hate to press the wrong button and erase my drive before its necessary.
Any help would be appreciated.
Thanks

Don't forget that applications have Help menu and Disk Utility has Restore feature (tab).
Before you start, make sure to do Get Info on the drive you want to restore to (target) and turn OFF the "Ignore Ownership" first.
Click on the left side icon for the volume you want to backup (source) and drag it into the appropriate field. Same for target volume.
Apply and sit back while it copies.
When done, use First Aid to Repair Permissions on the target (I would also do same for your source before you begin).
If you don't see and can't repair permissions on the target, something isn't right.
Now make sure you can boot from the target. Make sure it shows up in Startup Disk and try.

Boot Camp Assistant: Using disk utility? (PLEASE HELP!)

I am trying to download Windows XP with boot camp and I waited for the disk to be partitioned (I'm not even really sure what that means) and then it says:
The disk cannot be partitioned because some files cannot me moved. Back up the disk and use Disk Utility to format it as a single MAC OS Extended (Journaled) Volume. Restore your information to the disk and try using Boot Camp Assistant again.
Okay, so I went to Disk Utility and now I have no idea what I am supposed to do. Please help!

If you use Time Machine you can reinstall Leopard and then using the Install Disc go to the Utilities and go to the Restore from Time Machine. You can restore your new drive to any of the saved days. It would save them to the hard disk defragmented. Another program is SuperDuper! which can make a clone of your Macintosh HD to an external disc as a bootable option. This is easier and faster though this program has not been confirmed to work with Leopard yet. And as I said before you can buy iDefrag for $30 and not have to restore and erase anything. But what ever you do, make sure to back your files up.

I need help with boot camp. "Back up the disk and use Disk Utility to format it as a single Mac OS Extended (Journaled) volume. Restore your information to the disk and try using Boot Camp Assistant again."

This message appears every time I try to partition my disk:
"Back up the disk and use Disk Utility to format it as a single Mac OS Extended (Journaled) volume. Restore your information to the disk and try using Boot Camp Assistant again."
I verified my Macintosh HD disk on Disk utility and then tried to repair it, but I am unable to click the repair button.
It says it's not available because the startup disk is selected.
I don't know what to do or how to go about both these problems.
Please, any suggestions?

This message appears every time I try to partition my disk:
"Back up the disk and use Disk Utility to format it as a single Mac OS Extended (Journaled) volume. Restore your information to the disk and try using Boot Camp Assistant again."
I verified my Macintosh HD disk on Disk utility and then tried to repair it, but I am unable to click the repair button.
It says it's not available because the startup disk is selected.
I don't know what to do or how to go about both these problems.
Please, any suggestions?

HT2953 When I try and import a CD it will import maybe a minute of one song, then a second of five others, and then a minute of another, and do the same thing. How do I fix this?

I just got a new CD I would like to import. Recently my laptop has been malfunctioning so I can't import it there, so I have to import it on our family's main computer. When I try to import the CD, it'll get maybe a minute of the first song, then get maybe a second or two of the next couple, then get half of another, and repeat the same thing.
How can I fix this?
Please, it is getting on my nerves. I have updated the Itunes and fixed what I was told to do but it still does it.
What do I do?

You're not alone, but for me, it doesn't happen very often. Maybe one in fifty. Sometimes it will read after multiple tries, but a few (two of the three Shins CDs) never work. This was a common problem two years ago when I first got my iMac (many discussions but no answers). I'll keep looking and I'll let you know if I find something.

When I restore my Mac with Time Machine and then want to partition my disk, Disk Utility always says incorrect number of extended attributes

When I need to restore my Mac from a time machine backup and then partition my hard disk (the disk inside the computer not the time machine disk), Disk Utility always says "Incorrect Number of Extended Attributes". I then boot into Recovery HD and run disk repair. The result? "The volume Macintosh HD appears to be OK". So then I reboot into normal OS and try the partition again, still Incorrect number of extended attributes. I have even tried /sbin/fsck -fy in single-user mode but it still says the volume is ok. I have tried partition my disk in the recovery HD and it still fails.
Can anyone please help me solve this problem?

Try something stronger, such as DiskWarrior or TechTool Pro.
iMac refurb (27-inch Mid 2011), OS X Mavericks (10.9.4), SL & ML, G4 450 MP w/Leopard, 9.2.2

Change the partition of an external drive using Disk Utility?

I wish to change partition scheme, sizes, in an external drive. All the partitions are MacOS extended (Journaled) and they map, according to the layout in Disk Utility, as follows: Partion 1, 2, 3,4 where 1 is at the top and 4, the bottom. I want to make partition 2 larger, so I decreased partition 1 by half. Now the layout is 1 a, 1b, 2,3,4., where 1b is now free space. Disk Utility will not allow me to increase the size of partition 2 by dragging the corner. Which of the following options (if any) will allow me to increase the size of partition 2, without erasing the data, using Disk Utility:
Select partition 2 and manually writing a new value in the size box, equal to the present partition’s size plus the free space?
If I delete partition 1 completely, will I then be able to increase the size of partition 2?
If I delete partitions 1, 3, and 4, will I then be allowed to increase the size of partion 2?
Is there another option?
Thanks
(Actually, partition 3 is an eDrive, a data recovery utility created by TechTool Pro 7, so I don’t really know how it’s formatted.)
OS10.9.4, MacBook Pro, SeagateHD 1.5TB USB drive.

You cannot re-size the existing partitions in such a way that you can take the space from a shrunken partition and add it to another partition. Disk Utility cannot do that. If you have an existing partition that lives above another partition, then you can delete the lower partition in order to expand the upper partition into the freed up space. This concept applies to any additional partitions that are below another partition. Disk Utility can do this. You can resize down, but not up, except when creating new partitions. You would need third-party software such as iPartition 3.4.3 to accomplish that feat.

If leopard won't boot from dvd, use disk utility mount to partition

wanted to share a way that i successfully installed os 9, tiger, and leopard on 1 hard drive. first of all, leopard was the only installation that i had difficulty with. it would not boot off the original dvd, no matter if i held down the 'c' key or the option key, so this is what i did after a lot of reading on the internet to try and troubleshoot this issue.
First thing i did was partition my internal hard drive in 3 partitions using disk utility. the 3rd partition was around 9gb. I installed os9 first on the 1st partition, i then installed tiger on that same partition. then i put in my leopard dvd, and opened up disk utility. and clicked on "restore", and dragged the dvd image as the "source", and chose the 9gb partition as the destination, and clicked on restore. then, i changed the "startup disk" to start from the 9gb where i just restored the image, and rebooted, and went through the leopard setup and chose the 2nd partition as the place to install. this should work with the dvd, or if you made an image from the dvd. I hope this helps someone else whose dvd won't boot, because it was very frustrating after you purchase a faster processor, and faster video card so that your system meets the requirements, and then the dvd won't boot.

Two ways. Use another computer to restore the install disc to one of those ext HD. Then, use it to boot the other machine. Get an ext CD/DVD reader and use it to read the install disc and boot the machine. However, if both the HD and optical reader are kaput, then a trip to an Apple repair station is in order.

Unable to initialize Thumb drive using Disk Utility!

Hi All,
I have a 4GB Sandisk thumb drive that works flawlessly till I tried to initialize it using Disk Utility in my MBP.
Now, whenever I try to connect the drive to USB port, system ask me to initialize the disk but when I try to initialize system goes into an unfinite loop of unmounting the disk.
And now when I try to format it using Windows, the message appears that "Unable to complete the format". The disk was working in both Windows and Mac prior to I used initialize function.
Any help would begreatly appreciated.
Thanks in advance.
-Ashish Sharma

Hi Samberl,
As I already wrote in my initial post that the drive was working before I try to intialize using MBP. Anyways, I already followed your advice and replaced the drive with a new one. But now I am worried if I again use it in my Mac and initialize using disk utility. As of now I have formatted it using Windows and using NTFS-3G in my MAC to read or write the data.
Anyways, thanks for helping

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Trying to install/format an INTERNAL hard drive using Disk Utility gives me "Error: -69760: Unable to write to the last block of the device". Is that a hardware problem and what could be done about it?

*** PLEASE NOTE*** - This is a query about an INTERNAL HDD not an external one. Thanks.
My Mac is a late 2009 model and the current hard drive recently failed. So I bought a new one, exactly the same, albeit 750gb instead of 500gb. The HDD is a Seagate Momentus 7200. Before the my current drive failed I made a time machine back up to an external USB HDD. I've inserted the HDD into the bottom of my Mac, plugged in the USB and started my machine pressing the 'Option' ([ALT]) key. I go into Disk Utility to try and format the new HDD by creating a new partition but I keep getting the messages,
"Error: -69760: Unable to write to the last block of the device"
or
"POSIX: could not allocate memory"
This is actaully the third HDD I've tried. The first was another Seagate Momentus 7200 500gb, but this time it was a newer model (model number ended in 423AS instead of 420AS - the new one I am trying ends with 420AS, which is the same as the current HDD). I then tried a Western Digital drive but that one didn't even show up in DU. Forums and tech support are suggesting it's faults with the HDDs but surely not three in a row?
Could this be an issue with another part of my Mac?
Is there anything else I can do to format the HDD, have I missed a crucial step?

Did you ever get a resolution to this issue?
I am having that exact error with a new 512GB SSD from Crucial, in a 15" MBP mid-2010.
I really wonder now if the stupid SATA cable could be bad - causing the initial SSD fail. I am replacing it with the EXACT same drive, and getting that "last block" error when i partition in the GUI or from command-line.
thanks!

I upgraded my internal Boot Drive, used Disk Utility to image and restore..

...Time Machine still recognizes my external drive as the backup disk, and I can still go back in time to bring something back using it.
The problem is that, time machine thinks it needs to backup everything that is on my restored internal drive. So what I have now is this--
Full Backup from original Leopard launch
Incremental Backups
Full Backup (in progress now) since imaging my old internal drive to a new one.
My question: how can I turn what is happening now (a full backup of the present), into an incremental backup (where it should leave off, since it is an image of the same drive)?

Unfortunately, nobody can tell you what you're likely to be able to restore. You can only try. See Recovering deleted files for some suggestions.
The encrypted sparse bundles are the big problem. If all the individual "bands" of the sparse bundle are still intact, you should be able to recover them, although if the recovery software is unable to recover the directory structure, I imagine it may be difficult to piece them back together.
However, if even a few bytes of a single band file have been overwritten, the entire sparse bundle is ruined. You'll never get it open again. A recovery service is not likely to be of any help in that case.
BTW, you definitely need to be posting in the Snow Leopard forum, as there are some fairly significant differences between Snow Leopard and Mountain Lion. You risk getting answers that make assumptions on the system you are using, and that won't apply to you.

How Do I partition an external hard drive using disk utility?

I have a 500 GB external hard drive that I want to set up so that half the space is for Time Machine backup and the other half as a simple flash drive that will be compatible with all types of computer operating systems?

A terrible idea. Never use a backup drive for anything but a backup drive. Get another drive for experimenting.
You can partition an external drive no differently than an internal drive.
Drive Preparation
1. Open Disk Utility in your Utilities folder.
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Click on the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions desired from the drop down. Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Partition button and wait until the process has completed.
4. Select the volume you just created (this is the sub-entry under the drive entry) from the left side list. Click on the Erase tab in the DU main window.
5. Set the format type to Mac OS Extended (Journaled.) Click on the Security button, check the button for Zero Data and click on OK to return to the Erase window.
6. Click on the Erase button. The format process can take up to several hours depending upon the drive size.
Steps 4-6 are optional but should be used on a drive that has never been formatted before, if the format type is not Mac OS Extended, if the partition scheme has been changed, or if a different operating system (not OS X) has been installed on the drive.

How do I unlock my hard drive (using disk utility or otherwise)?

Help!
I accidentally locked my Mac hard drive where I know the system password, but now it won't boot up. When I go to disk utility to try to change the password or unlock the drive, I see my hard drive, but when I click on the drive and go to the file menu, I don't have the option that I've seen in some solutions to this problem posted on this site (including one by Dr Mac that describes going to the command under "file" as "unlock drive name" - which doesn't seem to be an option for me) (Instead, my options are new window, new, open disk image, close, get info, and unmount (name of my hard drive)). In grey, and not available, are the options - "eject, enable journaling, change password, and turn off encryption."
How do I get to a point where I can enter the system password and get back into my computer? Any assistance you can offer would be hugely appreciated!
Jim

Boot into recovery mode (hold down the ⌘R keys on restart), select the Terminal app from the Utilities menu option, and copy & paste in these one liners into the window that pops up, following each with hitting the return key. At the Password: prompt, enter your admin user password and hit the return key.
sudo chflags 0 /volumes/*
sudo chmod a+rx /volumes/*
Then, select Startup Disk from the Utilities menu, select the normal boot volume, and click the Restart button.

Setting up XServe mirrored drives using disk utility

We are getting ready to format a server and reload the OS. We currently have 4 drives (250gb) each. I want to know the best way to set the drives up so they will be redundant. Do I include the first drive, which will contain the server software? This is an older G4 XServe box with 2gb of memory. I do not have a RAID card in this server. This will be software RAID.
Any suggestions would be greatly appreciated.
Scot

Depending on how much redundancy you're looking for you can do it a number of ways, but here are the basics.
1) Boot from your installation media
2) After you choose a language you can invoke the Disk Utility
3) Use DU to wipe the disk and create a RAID 1 - add desired disks to the RAID*
4) Once the RAID is finished it will appear as a single drive
5) Quit Disk Utility and return to the Installation process and install the OS on the "Disk" which is actually the new RAID.
The set-up you want dictates the "desired disks" in step 3 above. Usually people create one mirror of the system disk so they have a disk to boot from if the primary drive fails. If the main system disk fails you simply pop out the bad drive and reboot off the mirror. You could do more than that but it really is overkill. If you really want more protection use the other disks for making back-ups so you can rollback or find accidently deleted files rather than more copies of the same disk.
Hope that helps,
=Tod

When I check my boot SSD drive using Disk Utility under Mavericks, I often get "Incorrect number of extended attributes" errors. But if I boot off an external drive and check the same SSD, no errors are reported. Is this a bug in Mavericks?

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