FIRST AID FAILED

Was verifying and then repairing disk permissions then got this message:
First Aid Failed
Disk Utility stopped verifying Mac HD because...:
Filesystem verify or repair failed.
Should I be concerned?

Start up in Safe mode - Hold Shift key at startup until halfway through the rotating gear. You will have to login. Then reboot the Mac to see if that fixed it.
Safe boot will take 2-3 times as long as normal, so be patient.

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First Aid Failed while trying to re-start mac, help??

My Mac has been forzen to the loading page and I have put in the grey disk to try and re-boot it and I was told to repair the disk once the CD was in. After having gone through part of the repair process I get a message of First Aid Failed because "The underlying task reported failure on exit (-9972)" Any help on how to get my mac fixed?? And wil it involve losing all of my files on my Mac? Thanks!!

The error you are getting means that Disk Utility cannot repair your hard drive. Apple has a note on this at http://docs.info.apple.com/article.html?artnum=302411 . Net, most people buy Disk Warrior to repair the drive, although TechTool Pro can also be bought to do that, and in most cases, Disk Warrior is able to fix the drive. There are situations, however, when they can't repair the drive. At that point, you can try and erase and install, and if that fails, you need to buy a new hard drive.
If you can hook another mac up in target mode you may be able to back up your data, if you haven't done that recently.

Help First Aid Fails From Install Disk

My I-Mac G-5 crashed and on restart is displaying the grey screen with the question mark instead of finding the os / hard drive. I rebooted again from the install disk holding down C and when I went to verify and repair the disk... the repair option wasn't selectable and when I select verify i get this message
"First Aid failed
"Disk Utility stopped repairing permissions on '(volume name)' because the following error was encountered: No valid packages"
The Apple support on this topic here
http://docs.info.apple.com/article.html?artnum=25704
only covers when the application disk utility fails from your OS... But its failing for me from my INSTALL Disk.
Thanks in advance!

That error occurs because either the /Library/Receipts/ folder has been deleted or its contents were deleted. Without that DU will not function. This is because when you repair permissions Disk Utility uses the Receipts folder on the OS X volume being repaired.
However, it cannot fix your problem. Your problem results from damaged or corrupted system files required during startup. The only solution is to reinstall OS X. You may be able to do this without erasing the drive by doing an Archive and Install:
How to Perform an Archive and Install
1. Be sure to use Disk Utility first to repair the disk before performing the Archive and Install.
Repairing the Hard Drive and Permissions
Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Installer menu (Utilities menu for Tiger.) After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported, then quit DU and return to the installer.
If DU reports errors it cannot fix, then you will need Disk Warrior (4.0 for Tiger) and/or TechTool Pro (4.5.2 for Tiger) to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
2. Do not proceed with an Archive and Install if DU reports errors it cannot fix. In that case use Disk Warrior and/or TechTool Pro to repair the hard drive. If neither can repair the drive, then you will have to erase the drive and reinstall from scratch.
3. Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When you reach the screen to select a destination drive click once on the destination drive then click on the Option button. Select the Archive and Install option. You have an option to preserve users and network preferences. Only select this option if you are sure you have no corrupted files in your user accounts. Otherwise leave this option unchecked. Click on the OK button and continue with the OS X Installation.
4. Upon completion of the Archive and Install you will have a Previous System Folder in the root directory. You should retain the PSF until you are sure you do not need to manually transfer any items from the PSF to your newly installed system.
5. After moving any items you want to keep from the PSF you should delete it. You can back it up if you prefer, but you must delete it from the hard drive.
6. You can now download a Combo Updater directly from Apple's download site to update your new system to the desired version as well as install any security or other updates. You can also do this using Software Update.

Freeze-ups, problems, and "First Aid Failed"

I've been experiencing some freeze-ups lately on my Macbook Pro. I verified and repaired disk permissions on Disk Utility, but when I went to verify the disk itself, it said "First Aid Failed". It did say "Volume Bit Map needs minor repair" and "Invalid volume free block count (It should be 815187 instead of 814946)" and "The volume Macintosh HD needs to be repaired."
"Error: The underlying task reported failure on exit"
"1 HFS volume checked
Volume needs repair"
What should I do to fix this problem? Thanks.

Jaworski
If you can't find anyone with the right install disks but (depending on the size of your startup volume) you can get your hands on an external drive of some kind you might want to try using CarbonCopyCloner to clone your basic system to it, selecting it as your boot volume in system preferences, booting from it, and then repairing your internal drive using Disk Utility from the cloned install.
It's definitely not the most elegant solution, especially since you would essentially be attempting to fix a corrupted volume with a corrupted volume, but it might be worth a shot in your case due to the limited availability of your install disk.
Just a thought.
Max-

Disk First aid failing

I had a printer app die on me and take the dock and the top right part of the menu bar with it (they were still visible, just wouldn't respond to any mouse clicks). I shut down every app I could (some were minimized, and alt-tab wasn't working either), then shut down the machine by holding the power button for 10 seconds (it couldn't shutdown because of the hung app).
On reboot, it seemed to take extra long to get past the initial apple-logo spinner. Once it finally got to the login screen (the login screen shows available accounts, but requires a password), I clicked on my account, and got a beachball for an indeterminate amount of time (I walked away after 5 minutes, and came back a few hours later and the beach ball had stopped).
Once I logged in, it slowly started, but the dock seemed to freeze again before I could get any apps started. The icons in the upper right part of the menu bar also took forever to come in (~10 minutes).
I held the power to shut it down again, and this time booted off the osx cd. I started disk utility, and ran verify, which failed and told me to run repair, which I did. I got a ton of inode errors, and eventually, the repair failed. I tried to run the repair again, because I wasn't sure what else to do. This time, I got a ton of 'Missing thread record (id = ??????)' where ??? is a six digit number, followed by a large number of 'invalid directory item count' errors, a few other errors (incorrect number or extended attribs, incorrect number of ACLs), and another fail.
I decided to try to mount the disk and rsync whatever I could to a usb drive, but after switching to terminal from the osx boot cd, I found the drive wasn't mounted. I went back to Disk Utility and tried to mount it, but it gave an error about the drive needing 'repair'.
So, my question at this point is, is there any way to mount the drive so I can try to recover something?
Also, what else should I have tried after the first 'repair disk' failed?
Thanks

Before I posted this, I did run through 'repair disk' three times, at which point DU gave me the amusing error message 'repair failed three times' (or something similar, don't remember the exact wording).
That was 24 hours ago. I booted up with the osx install cd again, and this time DU doesn't even see a partition on that drive. The hard disk is listed in the left nav, followed by the optical drive, then the 'osx install dvd' partition on the optical drive, but the partition on the hard disk isn't listed. When highlighting the hard disk, all four first aid buttons (verify/repair disk/disk permissions) are grey'd out.
Thanks
The SMART status does say 'verified' for that disk, so I assumed it wasn't a physical failure, and I should be ok to reinstall.
I'd love to know what happened, but I'm sensing at this point I'm severely screwed and need to reinstall. I'll wait another 24 hours before I do so, in the event anyone has another suggestion as to what I could do to find out what happened, or attempt to recover some files.

Keychain First Aid Fails

Not remembering a web site login, I opened Keychain Access to look it up and noted that it wasn't storing ANY web site passwords. I ran Keychain First aid which found a problem, but failed to repair my Keychain with the message:
"User differs on ~/Library/Preferences/com.apple.security.plist, should be 501, owner is 0
Owner not corrected on ~/Library/Preferences/com.apple.security.plist, reason: No such file or directory"
Yet, I can see the "~/Library/Preferences/com.apple.security.plist" file, and have opened it in Omnioutliner. I've already repaired permissions and run Disk Warrior 3.0.3 to no avail; same erroneous error message. Help?

A couple of things to try. Move the ~/Library/Preferences/com.apple.security.plist to the trash, but don't delete it. Restart and try Keychain First Aid. If it works, quit the app, and empty the trash. If you have a backup of your system, move the ~/Library/Keychains/login.keychain to the desktop, copy over the backup, restart, and try it again. Report back.

First Aid failed! Error Was encountered.

I ran the First Aid disk utility on my Mac today and got the above message. In the discussion forum I posted this question and found a reply to "click the disclosure triangle on the left of the hard disk drive icon to display...select your language first. Do not click Continue in the first screen..."
Problem: I can't find a disclosure triangle at the left of the hard disk icon. Please help! My computer runs A+. I don't want to lose it/

Yes,
If Disk Utility can't fix it, you'll need a more robust utility for the repair.
First check your drives health with S.M.A.R.T. in Disk Utility. Because if your drive is physically defective, utilities won't help.
I also recommend DiskWarrior. It is the best at directory repairs. It rebuilds then actually replaces your old directory. I feel every Mac owner should have a copy. Make sure you get the disk so you can boot up on it to run repairs. You can also install it on another drive and run it from there to repair this one. DW works faster that way.
I use DW once a month to try and catch errors in my system from getting too far out of hand. It has repaired every little and big issue I have ever had with my three Macs.
If you have a good backup, hopefully a clone of your system before you had issues, an Erase and Install will also rid you of this issue. But, beware! You will lose everything on the drive with this procedure. Let us know if you need help with that!
Good Luck! DALE
p.s. Here's a rewiew of DiskWarrior 4.

First Aid failed - now what?

While running First Aid in Disk Utility, I get a an Error message, "Disk Utility stopped verifying because the following error was encountered: The underlying task reported failure on exit". Before this, disk utility clearly says that various volumes need to be repaired (including my hard-drive) but because of this error I never get that far. Any ideas of what I can do to remedy this problem?

I had no intention of giving you that impression and nor do I think that. If my wording made you think that I apologize.
The hard disk inside your Mac is your start-up disk, the one you start your Mac from. It cannot repair itself, so you need instead to start up from the install disk that came with your Mac - this why it is so important to have it.
Place that DVD in your superdrive and go to the Apple menu and click on Restart. Hold down the c key on your keyboard until your Mac has started up. This will take a bit longer than when you start from your hard disk.
You are NOT going to install anything, but just select English as your language (assuming that it is!), and ignore the next (install) window that appears. Go to Utilities in the menu at the top of the screen, and go to Disk Utility. Select your Hard Disk and click on repair.
This will take a little while and you will see all kinds of messages in the window, all of which you can ignore. Finally it will say Disk Repaired, and you then restart again without holding down the c key, in order to start up again from your built-in hard disk.

IMac refuses to boot up - grey screen, first aid failed

Hope someone can help me...
Recently downloaded the latest intel mac securiy update - ver. 11 - since then my iMac began to take a long time to boot up. It started fine this monring but upon shutdown and subsequent restart this evening my machine reaches the grey screen stage and then seems to 'loop' continuously - no log-in screen is ever reached.
I tried power off, unplug all cables - no results
I tried safe boot - no joy either
Booted from back up cds - ran disk utilities
verify disk - it aborted at the catalog check with invalid node structure, 1 HFS volume could not be repaired messages
verify disk permissions - it froze
tried install and archive - message was installation failed
Is there anything else I can try apart from erasing my hard drive and installing from scratch?
This seems to have started since I downloaded the ver 11 intel security update...
any advice greatly appreciated
Hazel

Hi Hazel, and a warm welcome to the forums!
Don't try to Repair Permissions or anything else until the Disk Structure is fixed.
You must repair the HD, if Disk Utility or fsck should fail to repair it, your best bet is DiskWarrior from Alsoft, you'll need the CD to boot from if you don't have another boot drive...
http://www.alsoft.com/DiskWarrior/
But sometimes fsck will work if you do it a few times, not likely, but possible.
Does it boot to Single User Mode, CMD+s keys at bootup, if so try...
/sbin/fsck -fy
Repeat until it shows no errors fixed.
(Space between fsck AND -fy important).
Resolve startup issues and perform disk maintenance with Disk Utility and fsck...
http://docs.info.apple.com/article.html?artnum=106214
Tough without the Tiger Disk problems, but try fsck...
To use fsck, you must run it from the command line. Unlike using your mouse to open an application to do something, you'll need to type a text command at the prompt (#) to tell fsck what to do. The Terminal application (/Applications/Utilities) and single-user mode are two examples of command-line interfaces in which you can type such commands. To use fsck:
1. Start up your computer in single-user mode to reach the command line. Hold CMD+s keys down at bootup. Note: If necessary, perform a forced restart as described in the Emergency Troubleshooting Handbook that came with your computer. On desktop computers, you can do this by pressing the reset/interrupt button (if there is one) or holding down the power button for several seconds. On portable computers, simultaneously press the Command-Control-power keys. If your portable computer doesn't restart with this method, you may need to reset the Power Manager.
2. At the command-line prompt, type /sbin/fsck -fy
(SPACE between fsck AND -fy important)
3. Press Return. fsck will go through five "phases" and then return information about your disk's use and fragmentation. Once it finishes, it'll display this message if no issue is found: 
The volume (nameofvolume) appears to be OK  If fsck found issues and has altered, repaired, or fixed anything, it will display this message: *** FILE SYSTEM WAS MODIFIED ***   Important: If this message appears, repeat the fsck command you typed in step 2 until fsck tells you that your volume appears to be OK (first-pass repairs may uncover additional issues, so this is a normal thing to do).
4. When fsck reports that your volume is OK, type reboot at the prompt and then press Return.
http://docs.info.apple.com/article.html?artnum=106214

Boot Camp Assistant & Disk Utility First Aid failing?

Hi,
I am trying to open my download of 3DS Max for an assignment but the following problems are stopping me:
1. The message ' The document "Autodesk_3ds_Max_Design_2012_English_Win_32-64bit" could not be opened. The file is too large'
2. After advice on this forum I tried to create a partition with Boot Camp Assistant (of 32gb). But this failed and told me to repair the disk with Disk Utility.
3. Disk Utility gives the following messages after I have tried repairing and also verifying the disk
Would really appreciate some help!
Thanks

Reinstall Leopard, but first use the Leopard install DVD Disk Utility to reformat the HD to one partition. See:
http://docs.info.apple.com/article.html?path=Mac/10.4/en/mh14.html
It's for Tiger, but applies for Leopard as well.
WARNING, you must have your data saved somewhere else.
Message was edited by: xnav

G5 First Aid Failed

G5 shut down on its own overnight and have been unable to reboot in safe mode or holding command/option/p/r keys. Tried to repair using OSX install DVD and receive the following message:
Invalid sibling link / volume check failed
Error: underlying task reported failure on exit
1 HFS volume checked - 1 volume could not be repaired beause of an error.
Any leads please for a Mac novice?

You could try Diskwarrior (~$100) but reading [this kbase article|http://discussions.apple.com/thread.jspa?messageID=613279] does not make it sound encouraging even for DW. It's up to you if you think it worth the money to try.
Failing that you could try using an application such as [Data Rescue II|http://www.prosofteng.com/products/data_rescue.php] or [FileSalvage|http://subrosasoft.com/OSXSoftware/index.php?mainpage=product_info&productsid=1]. Both have free trial versions that let you see if the software will help before you decide to buy. You will need a separate drive with sufficient free space to put all the files that were on your old drive. Also these tend to get very disorganized and may lose names so my preference would be if DW could fix it go with that first.
Or if you're lucky everything was backed up and you can simply try reformatting your drive (use the write zeros option and check its SMART status with Disk Utility before using it) and restore from backup.

Disk Utility: First Aid Failed, Filesystem verify or repair failed

Ouch,
So for some reason podcasts suddenly stopped downloading to my external music HD. Checked the permissions on the HD and it wasn't giving me access to the permissions even though I had permissions. Ejected the drive, mounted, ran Disk Utility and got the message above (subject of this post). The details box says the following:
Invalid Sibling Link
Volume check failed.
Error: Filesystem verify or repair failed
So.... is my external drive dead? Can it be fixed? Is everyone going to recommend pro tools and disk warrior again? Anyone that has a bright idea, I am all ears. I have Time Machine running, but I am not sure how I would restore the drive from that and get my data back. Any help would be greatly appreciated!!

Well, oddly, it just fixed itself. "Bogus" you say? It is really odd. It just mounted itself, all my audio is working and podcasts writing to the drive again. I ran disk utility again and it ejected the drive and I got the same error message. I'm getting tons of conflicts on my system ever since I did my clean install of Leopard, so I imagine it has something to do with that.

First Aid Failed in Disk Utility

Ok, i heard it was one of those monthly things to verify and repair the disk if needed, and it won't let me, because it gets the error
The underlying task reported failure on exit.
What does that mean? and how do i just repair it, without verifying?
This is all the stuff in the text / info windows.. thing.
Verifying volume “Macintosh HD”
Checking HFS Plus volume.
Checking Extents Overflow file.
Checking Catalog file.
Incorrect number of thread records
Checking multi-linked files.
Checking Catalog hierarchy.
Checking Extended Attributes file.
Checking volume bitmap.
Checking volume information.
Volume Header needs minor repair
The volume Macintosh HD needs to be repaired.
Error: The underlying task reported failure on exit
Verifying volume “WINDOWS HD”
** /dev/disk0s3
** Phase 1 - Read FAT
** Phase 2 - Check Cluster Chains
** Phase 3 - Checking Directories
** Phase 4 - Checking for Lost Files
46512 files, 1607024 free (725166 clusters), 8 bad (1 clusters)
Mounting Disk
1 HFS volume checked
Volume needs repair
1 non HFS volume checked
Volume passed verification

You can't repair the disk you are booted from, just verify it (and I think I've seen people report that the process sometimes gives spurious error messages). In order to repair your internal hard drive boot from the install DVD. Go to the installer menu bar and select the Disk Utility there, then select Repair Disk.
Francine
Francine
Schwieder

I am having trouble using my time capsule to back up. I tried repairing through "first aid" Disk 4s2 failed and I have been directed to erase. What is in this disk? Should I erase it??

I am having trouble using my time capsule to back up. I tried repairing through "first aid" Disk 4s2 failed and I have been directed to erase. What is in this disk? Should I erase it??

Only you know what is on the disk.. if you have been running TM to the TC then it will have your backups.. are they important?? Otherwise it will be what you..or others in the house have copied to it.. is that important?
If the first aid has failed the disk then it could be a good idea to erase it.
Does the disk mount in finder so you can see the main directory?

Aperture First Aid won't launch

Had a USB hub fail while my Aperture library was open, which evidently caused some database corruption. Read up on how to use the Aperture 3 First Aid function to repair...but the thing _will not launch_. Every time I try and launch Aperture (whether by launching the app directly or by double clicking the library) while holding down Command-Option, it just gives me the standard "database error" message.
I've trashed the user/plist file for Aperture, no change. I've reinstalled Aperture from scratch....no change. First aid just will not launch, no matter what I seem to do.
Help!

So the drive was connected to your Mac through a hub. The Aperture library is on this drive. The hub failed while Aperture had this library opened. You fixed the hub or reconnected the drive through another USB port. And finally there is no backup.
Accurate so far?
Did you try to open the library and get an error message and then try running the library first aid or did you go straight to first aid?
Is the external disk formatted OS X Extended? Do you have room to make a copy of the library? If you do it would be a good idea to do so before proceeding. It is always possible that while troubleshooting you could make things worst and having a BU of the library, even though it is messed up would be a good thing.
Some things to try:
Run +Disk Utility+ *disk repair* on the affected drive. If Disk Utility reports that if fixed something keep running it until it reports that the drive 'appears ok'. Try Aperture now, fixed?
If no then start Aperture by holding the ⌥ (option) key only. This will bring up Aperture's library chooser. Create a new empty library. Try to merge the corrupted library into the new empty library. Aperture will still need to repair the library but some users have reported success doing it this way when trying to fix the library from the first aid window failed.
Begin a backup program.

FIRST AID FAILED

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