Disk utility check

Any reason to be alarmed by any of these messages? Particularly the SUID warning?
Repairing permissions for “Macintosh HD”
Reading permissions database.
Reading the permissions database can take several minutes.
Warning: SUID file "System/Library/CoreServices/Finder.app/Contents/Resources/OwnerGroupTool" has been modified and will not be repaired.
Warning: SUID file "usr/bin/lppasswd" has been modified and will not be repaired.
Group differs on "private/etc/cups", should be 0, group is 26.
Permissions differ on "private/var/spool/cups/cache/rss", should be drwxr-xr-x , they are drwxrwxr-x .
Permissions repair complete

Jonny Apple Seed wrote:
Any reason to be alarmed by any of these messages? Particularly the SUID warning?
Repairing permissions for “Macintosh HD”
Reading permissions database.
Reading the permissions database can take several minutes.
Warning: SUID file "System/Library/CoreServices/Finder.app/Contents/Resources/OwnerGroupTool" has been modified and will not be repaired.
Warning: SUID file "usr/bin/lppasswd" has been modified and will not be repaired.
Group differs on "private/etc/cups", should be 0, group is 26.
Permissions differ on "private/var/spool/cups/cache/rss", should be drwxr-xr-x , they are drwxrwxr-x .
Permissions repair complete
If you reapply the 10.5.4 update manually from the download page or install 10.5.5 combo directly from the download page, they will most likely go away.
They are only warnings, but usually a re-application of the last update manually clears it up.

Similar Messages

Should i run disk utility check after a restore onto a brand new drive?

My hard drive died on my daughter's macbook, just replaced it and did a restore.
i am wondering if i should do any disk utility check(permissions or repair) on a new hard drive because i have restored a time machine backup onto it.
I say this because any issues on the backup files are now placed onto a new hard drive.

Kappy wrote:
It can't hurt to repair permissions. Most likely you'll get a long stream of stuff most of which is irrelevant and can be ignored. If there are any repair issues this will fix them. Be sure to run DU from the system you just installed. No need to boot from an installer disc.
BTW, did you properly prep the drive? Partitioned GUID, Mac OS Extended, Journaled format, and one pass Zero Data?
I did partitiion the drive guid, os extended, journaled. but i dont remember a choice on the onepass zero data but i assume it happened with the partitioning.
i understand no need to boot from the disc for permission check but if i do a verify or repair of the disk, then dont i have to boot from the install disc?

Disk Utility no longer working correctly

I did a search and couldn't find a similar problem, so here goes.
I'm running OS 10.4.11 on a G4 PPC Dual 1.25 GHz.
I've done the regular updates the last several weeks:
QuickTime-7.5.5
iTunes- 8.0
Xserve RAID Driver Update- 1.0
Java for Mac OS X 10.4, Release 7- 1.0
Digital Camera Raw Compatibility Update- 2.2
Security Update 2008-006 (PowerPC)- 1.0
Security Update 2008-007 (PowerPC)- 1.0
Migration and DVD/CD Sharing Update- 1.1
iTunes- 8.0.1
iPhoto Update- 7.1.5
Digital Camera Raw Compatibility Update- 2.3
Safari- 3.2
iLife Support- 8.3.1
iTunes- 8.0.2
Safari- 3.2.1
Since the updating of the above, when launching Disk Utility, I get the spinning beachball as it tries to find my hard drives. It spins and spins and spins, but my drives don't show up.
Sometimes logging out and back in and then restarting will make DU work ok, but that can't be normal. It should work on each launch.
Is anyone having similar problems? Anyone know what the cause and solution may be?
Thanks in advance for any help, and Happy Thanksgiving!

Hi,
Could be many things, we should start with this...
"Try Disk Utility
1. Insert the Mac OS X Install disc that came with your computer, then restart the computer while holding the C key.
2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu. (In Mac OS X 10.4 or later, you must select your language first.)
Important: Do not click Continue in the first screen of the Installer. If you do, you must restart from the disc again to access Disk Utility.
3. Click the First Aid tab.
4. Click the disclosure triangle to the left of the hard drive icon to display the names of your hard disk volumes and partitions.
5. Select your Mac OS X volume.
6. Click Repair. Disk Utility checks and repairs the disk."
http://docs.info.apple.com/article.html?artnum=106214
Then Safe Boot , (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, reboot when it finishes.
The usual reason why updates fail or mess things up, or things don't load/run, is if Permissions are not fixed before & after every update, with a reboot... you may get a partial update when the installer finds it doesn't have Permissions to change one obscure little part of the OS, leaving you with a mix of OS versions.
Some people get away without Repairing Permissions for years, some for only days.
If Permissions are wrong before applying an update, you could get mixed OS versions, if Directory is the slightest messed up, who knows!
If many Permission are repaired, or any Directory errors are found, you may need to re-apply some the latest/biggest updates again, or even do an A&I if you have enough free disk space.
The combo update for PowerPC-based Macs...
http://www.apple.com/support/downloads/macosx10411comboupdateppc.html
The combo update for Intel-based Macs...
http://www.apple.com/support/downloads/macosx10411comboupdateintel.html
Repair Permissions before & after re-install, then reboot again each time.
If all the above do not resolve the problem, then it's time for an Archive & Install, which gives you a new OS, but can preserve all your files, pics, music, settings, etc., as long as you have plenty of free disk space...
http://docs.info.apple.com/article.html?artnum=107120
Or, Might give a try with Applejack...
http://www.versiontracker.com/dyn/moreinfo/macosx/19596
After installing, reboot holding down CMD+s, (+s), then when the DOS like prompt shows, type in...
applejack AUTO
Then let it do all 5 of it's things.
At least it'll eliminate some questions if it doesn't fix it.
The 5 things it does are...
Correct any Disk problems.
Repair Permissions.
Clear out Cache Files.
Repair/check several plist files.
Dump the VM files for a fresh start.

Erase free space function of Disk Utility

Hi all,
I've read some of the discussions about the problems that can result from using Disk Utility to permanently delete items that have been emptied from the Trash (and which were not "securely" emptied). Before I use the Disk Utility function, I'd appreciate some advice:
1. I have an iBook G4, running Mac OS 10.4.11. My hard disk has a capacity of 55 GB with 30 GB available. Does the capacity available matter, and is mine sufficient?
2. Will I be given an option on overwriting the files 0, 7, or 35 times, and should I choose 7?
3. How long is this operation likely to take?
4. Shall I just start the operation and then not touch the computer for a few hours, or overnight, and hope for the best??
5. A final question (a stupid one, I hope!) -- only those files which were put in the trash will be deleted, right?? Not anything else?!
I am quite worried about taking the step because, if things go wrong, I won't have a means of contacting the Apple support forum as this is the only computer in our household.
I am planning on giving this iBook to a nephew in six months or so, and am gradually cleaning it up for that purpose. But I'm not ready to "zero it out" entirely and I am hoping not to lose anything currently on my hard drive following the "erase free space" operation, or to have to reboot from the original CDs.
If the operation is successful, I will then remember to always use the "Secure Empty Trash" option when deleting future files. I'm assuming that, if I do that, I should have no concerns about giving the laptop away -- correct?
As you can tell, I'm not very computer savvy, and I'd be very grateful for help. Thank you!

Open Disk Utility, Highlight your drive on the left, then on the right bottom you'll see Verify Disk & below that Repair Disk grayed out because you can't reopair the HD yo're booted from, if it does need Repair...
1. Insert the Mac OS X Install disc, then restart the computer while holding the C key.
2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu. (In Mac OS X 10.4 or later, you must select your language first.)
*Important: Do not click Continue in the first screen of the Installer. If you do, you must restart from the disc again to access Disk Utility.*
3. Click the First Aid tab.
4. Select your Mac OS X volume.
5. Click Repair. Disk Utility checks and repairs the disk."
http://docs.info.apple.com/article.html?artnum=106214
Then try a Safe Boot, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, reboot when it completes

Disk utility burning issue

I'm trying to burn some DVD/DVD DL from disk images.....
I never got a success with *disk utility*..
after burning one with *disk utility*, checking disk always fails: an error on a sector (never the same)
in the other side, burning same image with toast works fine....
this doesn't come from the disk because first I burned with disk utility and then with toast (disks come from same cake)

Malcolm Rayfield wrote:
Are you running 10.6.3? That update made disk burning more reliable on my Mac Pro.
yes, installed *Mac OS X v10.6.3 v1.1* and *Security Update 2009-001*...
one thing has been improved: restoring an image to a pen drive or HD, now it works at first time.. ( with increased speed).
no matter the burning speed I select, ever with lowliest selected, burning always fails...
but only with disk utility !

Disk Utility and Disk Repair function

I ran the "Verify" function on the hard drive and came up with an Error, but can't figure out what to do next. The option of "Disk Repair" is grey. I found an older discussion about the specific error message - "Incorrect size for file YellowPushBtn_Pressed.tiff (It should be 0 instead of 5602)" This older discussion lead to the QuickTime application, but I was unable to local the file they talked about.
Any ideas on how I should proceed from here?
Thanks

Disk Utility won't repair the drive if that drive is the one from which the computer is currently booted. The usual thing to do is boot from the installer disc. I don't know about the shift key; I thought it was holding down the C key to boot from an optical disc.
What holding down the shift key does is boot you to safe mode which reduces the number of things running to a minimum. I have found that while you can verify a boot drive you can get errors and an analysis from safe mode reduces this likelihood.
*General Instructions*
Boot from the installer disk, select language if applicable, choose utilities, run Disk Utility and verify (and repair if necessary) the drive. You can verify a drive from DU on your main drive while booted but I have found this can result in incorrect reporting of errors. To repair your drive you have to run it from a drive other than the boot drive anyway.
Next, boot from your drive in [Safe Mode|http://docs.info.apple.com/article.html?artnum=107393] and repair permissions. You can repair permissions while booted from the installer disc but this uses the permissions configuration on the installer disc which may be out of date if you have run any updates on your computer. Booting your computer to Safe Mode restricts the number of things running on your computer while permissions are being run and does a bit of spring cleaning at the same time.
[Resolve startup issues and perform disk maintenance with Disk Utility and fsck|http://docs.info.apple.com/article.html?artnum=106214]
[Using Disk Utility in Mac OS X 10.4.3 or later|http://docs.info.apple.com/article.html?artnum=302672]
[Disk Utility's Repair Disk Permissions|http://docs.info.apple.com/article.html?artnum=25751]
From BDaqua (couldn't have said it better):
"Try Disk Utility
1. Insert the Mac OS X Install disc that came with your computer (Edit: Do not use this disc if it is not the same general version as what you have currently on your computer, e.g. use a Tiger disc for a Tiger drive, not a Panther disc), then restart the computer while holding the C key.
2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu. (In Mac OS X 10.4 or later, you must select your language first.)
Important: Do not click Continue in the first screen of the Installer. If you do, you must restart from the disc again to access Disk Utility.
3. Click the First Aid tab.
4. Click the disclosure triangle to the left of the hard drive icon to display the names of your hard disk volumes and partitions.
5. Select your Mac OS X volume.
6. Click Repair. Disk Utility checks and repairs the disk.
Then Safe Boot, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, reboot when it completes."

IMac OS 10.9.4 software updates apparent cause of Corel Painter X3 crash: I have run Disk Utility - no probs there, reinstalled Painter X3 (after first uninstalling X3). What now?

iMac 10.9.4 software updates last week is apparent cause of my Corel Painter X3 now crashing. I ran Disk Utility check - no probs there. I reinstalled Painter X3 (after first uninstalling X3), still no success. Online Mac support suggest I use MacCleaner - tried at online Mac store & was referred to 0800 tech support for guidance - still waiting for reply.

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.
Step 1
For this step, the title of the Console window should be All Messages. If it isn't, select
          SYSTEM LOG QUERIES ▹ All Messages
from the log list on the left. If you don't see that list, select
          View ▹ Show Log List
from the menu bar at the top of the screen.
In the top right corner of the Console window, there's a search box labeled Filter. Initially the words "String Matching" are shown in that box. Enter the name of the crashed application or process. For example, if iTunes crashed, you would enter "iTunes" (without the quotes.)
Each message in the log begins with the date and time when it was entered. Select the messages from the time of the last crash, if any. Copy them 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 which is irrelevant to solving any particular problem. When posting a log extract, be selective. A few dozen lines are almost always more than enough.
Please don't indiscriminately dump thousands of lines from the log into this discussion.
Please don't post screenshots of log messages—post the text.
☞ Some private information, such as your name, may appear in the log. Anonymize before posting.
Step 2
In the Console window, select
          DIAGNOSTIC AND USAGE INFORMATION ▹ User Diagnostic Reports
(not Diagnostic and Usage Messages) from the log list on the left. There is a disclosure triangle to the left of the list item. If the triangle is pointing to the right, click it so that it points down. You'll see a list of crash reports. The name of each report starts with the name of the process, and ends with ".crash". Select the most recent report related to the process in question. The contents of the report will appear on the right. Use copy and paste to post the entire contents—the text, not a screenshot.
I know the report is long, maybe several hundred lines. Please post all of it anyway.
If you don't see any reports listed, but you know there was a crash, you may have chosen Diagnostic and Usage Messages from the log list. Choose DIAGNOSTIC AND USAGE INFORMATION instead.
In the interest of privacy, I suggest that, before posting, you edit out the “Anonymous UUID,” a long string of letters, numbers, and dashes in the header of the report, if it’s present (it may not be.)
Please don’t post other kinds of diagnostic report—they're very long and rarely helpful.

No hard drive found on disk utility while booting from OS X dvd

My Macbook crashed recently, the screen wouldn't give me video when I opened the lid from closing it earlier and the fan was doing its ominous thing with getting louder and louder. I had to force shut down. On restarting it wouldn't boot beyond the infamous grey screen, where the loading sign eventually turned into the prohibitory sign. I found a support article and worked my way through safe boot, various resets to eventually booting from the OS X dvd (Leopard 10.6.??), at which point (according to the article), I was supposed to perform a disk utility check. Except that in disk utility nothing shows up except for the software dvd, no hard drive or anything else to be seen. On checking the system profiler I found that "there was an error while scanning for serial ATA devices" (which I found out means hard drive :-P).
What do I do from here? I haven't been able to find a support article that deals with this exact situation, what more can I try to solve this problem?
Thanks in advance.

That means the drive needs to be repartitioned if it's still functional. See:
Drive Preparation
1. 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 Utilities menu.
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Note the SMART status of the drive in DU's status area. If it does not say "Verified" then the drive is failing or has failed and will need replacing. SMART info will not be reported on external drives. Otherwise, click on the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Click on the Options button, set the partition scheme to GUID (for Intel Macs) or APM (for PPC Macs,) 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.

Lion Install thinks that the system disk "Macintosh HD" is not Mac OS Extended (journaled); it is. Exactly what do I do in Disk Utility to "reformat" the disk, I don't see that listed on the menus.

Error Message, during installation of Lion; “This disk is not formatted as Mac OS Extended (journaled). Use Disk Utility to enable journaling or reformat the disk.” The disk I selected to install OS X on, was the only one listed, “Macintosh HD”. The results of a Disk Utility check are; Format: Mac OS Extended (journaled), Name: Macintosh HD. There is a fresh Time Machine backup. The computer was Restarted and installation attempted again - same result. I have downloaded Lion a second time, and tired install again, same results. The computer is a December 2007, iMac 24” with 2.4 GHz Intel Core 2 Duo, 4 GB Memory, s/w version 10.7.5; Disk Capacity 319 GB, Available 117 GB. Macintosh HD has alway been the system disk, does it now have an identity crisis? Would reformatting the disk mean Erasing it? Exactly what do I do in Disk Utility to “reformat” the disk, I don’t see that listed on the menus. This computer is getting cranky, I no longer Shut Down at night, only Sleep. If it’s Shut Down, the next morning I am treated to a white screen, for a long time, before it finally shows me the Log On Screen. Suggestions would be appreciated.

RRFS - This took me a long time to finally get to a fix. Your reply led me to investigate the Repair Disk Partition - as it turned out there wasn't one; the HardDrive was going bad slowly. The 10 to 40 minutes it took to startup in the morning, was the HD trying to find it's way. I had the 320GB HD replaced with a 2TB HD. All is OK now. Thank You very much!! Also, the Apple store geeks couldn't make it better but the locally owned Apple retailer did just great with it. from San Luis Obispo County - Peace.

HT1578 Disk Utility says there's no room on disk when "info" says there is

I wanted to create a password-protected 498 GB disk image on a new 500 GB external hard drive. So I successfully created the disk image but I forgot to ask for encryption so the new disk image is unprotected. Realizing this, I erased the drive to start over and the "info" says 498 GB free. But when I try to create a new disk image, Disk Utility keeps saying "cannot create disk image - not enough room." What can I do?

Hi , and a warm welcome to the forums!
Could be many things, we should start with this...
"Try Disk Utility
1. Insert the Mac OS X Install disc, then restart the computer while holding the C key.
2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu at top of the screen. (In Mac OS X 10.4 or later, you must select your language first.)
*Important: Do not click Continue in the first screen of the Installer. If you do, you must restart from the disc again to access Disk Utility.*
3. Click the First Aid tab.
4. Select your Mac OS X volume.
5. Click Repair Disk, (not Repair Permissions). Disk Utility checks and repairs the disk."
http://docs.info.apple.com/article.html?artnum=106214
Then try a Safe Boot, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, reboot when it completes.
(Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive.)
If perchance you can't find your install Disc, or are running 10.7+, at least try it from the Safe Boot part onward.

Problems with Disk Utility & Mounting DMG!! Help!!

Hey guys, im a fairly inexperienced mac user anyways I recently bought a IBOOK G3 with Tiger 10.4 and i'm having major issues with Disk Utility and installing applications.
The issues with D.I are that it loads up then I get the error message "Disk Utlity started but a background process needed in Disk Utility didn't start properly. Please quit and restart Disk Utility. And when I do restart it, i get the same error over and over.
Also my second problem is whenever I try to and install DMG files I get the error: "Broken Pipe" and sometimes "Device Not Configured"
I've tried searching for resolutions for each problem but they both involve the other functioning! I'm really at a loss, i've tried using programs like pacifist to reinstall my original files etc and they haven't seemed to help.
Any advice would be greatly appreciated! Thank you xxx

Hi Kellie, and a warm welcome to the forums!
Could be many things, we should start with this...
"Try Disk Utility
1. Insert the Mac OS X Install disc that came with your computer, then restart the computer while holding the C key.
2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu. (In Mac OS X 10.4 or later, you must select your language first.)
*Important: Do not click Continue in the first screen of the Installer. If you do, you must restart from the disc again to access Disk Utility.*
3. Click the First Aid tab.
4. Click the disclosure triangle to the left of the hard drive icon to display the names of your hard disk volumes and partitions.
5. Select your Mac OS X volume.
6. Click Repair. Disk Utility checks and repairs the disk."
http://docs.info.apple.com/article.html?artnum=106214
Then Safe Boot from the HD, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, reboot when it completes.
The usual reason why updates fail or mess things up, is if Permissions are not fixed before & after every update, with a reboot... you may get a partial update when the installer finds it doesn't have Permissions to change one obscure little part of the OS, leaving you with a mix of OS versions.
Some people get away without Repairing Permissions for years, some for only days.
If Permissions are wrong before applying an update, you could get mixed OS versions, if Directory is the slightest messed up, who knows!
If many Permission are repaired, or any Directory errors are found, you may need to re-apply some the latest/biggest updates.
May even need to do an Archive and Install if you have room on the HD, but saves all your files and gives a new OS...
http://docs.info.apple.com/article.html?artnum=107120
I only use Software Update to see what is needed, then get them for real via...
http://www.apple.com/support/downloads/
That way I can wait a week or so, check the forums for potential problems, and get Permissions & such in order before installing.
Report if there were errors please.

Disk Utility and Time machine partition

Ran a Disk Utility check on my Time Machine volume (internal drive - and yes I stopped Time Machine first).
It Came back with error messages something like this:
Verifying volume “Leopard_2”
Checking Journaled HFS Plus volume.
Checking Extents Overflow file.
Checking Catalog file.
Checking multi-linked files.
Incorrect number of file hard links
Checking Catalog hierarchy.
Checking Extended Attributes file.
Checking multi-linked directories.
Incorrect owner flags for directory hard link (id = 998962)
(It should be 0x2 instead of 0x0)
Incorrect owner flags for directory hard link (id = 998964)
(It should be 0x2 instead of 0x0)
Incorrect owner flags for directory hard link (id = 998966)
(It should be 0x2 instead of 0x0)
Incorrect owner flags for directory hard link (id = 998970)
(It should be 0x2 instead of 0x0)
Incorrect owner flags for directory hard link (id = 998972)
(It should be 0x2 instead of 0x0)
Incorrect owner flags for directory hard link (id = 998974)
(It should be 0x2 instead of 0x0)
Incorrect owner flags for directory hard link (id = 998976)
(It should be 0x2 instead of 0x0)
Incorrect owner flags for directory hard link (id = 998978)
(It should be 0x2 instead of 0x0)
Incorrect owner flags for directory hard link (id = 998980)
(It should be 0x2 instead of 0x0)
Incorrect owner flags for directory hard link (id = 998982)
(It should be 0x2 instead of 0x0)
Incorrect owner flags for directory hard link (id = 998986)
(It should be 0x2 instead of 0x0)
Incorrect owner flags for directory hard link (id = 998988)
(It should be 0x2 instead of 0x0)
{ Edited for Brevity }
Stopped by user
Well, the first time I Used repair mode and it wrecked my backup. I had to reformat the partition. Even disk warrior couldn't undo the directory damage Leopard's disk utility reeked on my partition. The irony of it is, I doubt very seriously that anything was wrong with the backup partition before Disk Utility assaulted it.
I ran time machine again and checked (verified this time) the partition after it completed and Leopard's DU reported the same errors as before.
Then I checked the backup partition with Tiger's DU:
Verifying volume “Leopard_2”
Checking HFS Plus volume.
Checking Extents Overflow file.
Checking Catalog file.
Checking multi-linked files.
Checking Catalog hierarchy.
Checking Extended Attributes file.
Checking volume bitmap.
Checking volume information.
The volume Leopard_2 appears to be OK.
Mounting Disk
1 HFS volume checked
Volume passed verification
Tiger found no problems.
I also checked the partition with Disk Warrior and got a good report.
If I'm not the only one that has this problem then it looks like Leopards DU is an accident waiting to happen when someone uses it to "repair" their Time Machine partition.
Has anyone else experienced this?

FYI, I have a TM partition sharing an internal HD with a FAT32 formatted partition. Here's my Verify output. I did not stop TM while running Verify
Verifying volume “MacTimeMachine”
Checking Journaled HFS Plus volume.
Checking Extents Overflow file.
Checking Catalog file.
Checking multi-linked files.
Checking Catalog hierarchy.
Checking Extended Attributes file.
Checking multi-linked directories.
Checking volume bitmap.
Checking volume information.
The volume MacTimeMachine appears to be OK.

Disk Utility scare - then filesystem repairs itself!

Yesterday, when my iMac was running badly after the latest Software Update downloads, I ran a Disk Utility check on the hard drive and it refused to run, reporting "Invalid node structure" and "Filesystem verify or repair failed". So I booted to my external drive and ran DU from there on my internal drive. This time it reported that "Disk MacHD could not be unmounted".
Fearing the worst, I booted from my Leopard installer disk and ran DU from there. It gave me the same result as the original test, "Invalid node structure" and "Filesystem verify or repair failed".
Next I boot into Boot Camp/WindowsXP and my iMac is running just fine without any errors. So I decide to give the internal MacOs boot disk another chance and despite the fact that it takes forever to boot up (about an hour anyway) I eventually get there and run Disk Utility again and this time it does the test and reports that the HD is OK!! Permissions were also checked without any apparent problem.
At one stage in this little saga - when the Leopard install disk was finding problems on my internal HD - I rang Apple tech support and they concluded that my iMac was hosed and that I should get it repaired under warranty.
In fact, even though I eventually got a clean bill of health from Disk Utility, I wasn't happy with the way the system was running (slow, beach balls) so I used Time Machine to restore it to just before Wednesday's software update and all was well again.
I hate not knowing what caused this weird behaviour. Can anyone diagnose what could have happened?
Simon

Regrettably I have hit a major problem using Diskwarrior on my external Os 10.5.1 boot drive: it checked the directory of my internal drive and reported a few not-too-serious-looking errors and offered to replace the directory. This I let it do but it got almost to the end - step 9 I think of rebuilding the directory - and then froze. Activity Monitor reported that Diskwarrior was not responding (after an hour of inactivity) so I had no choice but to Force Quit it. Of course, DW had dismounted my internal HD and it quit without restoring the disk icon on my desktop. I tried launching DW again but it just spent ages looking for mounted volumes and had to be Force Quit again. I currently have Disk Utility doing the same thing - "Gathering Disk Information..." - which it has been trying to do for the last hour and I have left it whirring away since at least the process is still active.
But it looks as though I have lost (again) the contents of my internal drive so I will (again) have to restore from Time Machine. And it looks to me as though there are serious issues with Diskwarrior 4.1.
Before letting DW replace the disk directory I had run file and folder repairs and permissions repairs on both the internal and external disk, all without much to worry about.
Hopefully I can still rescue my data because I turned TM off after restoring last night and I have several hours of work today which isn't backed up.
Simon

Disk Utility will not verify disk because, "The underlying task reported failure on exit." Now what?

Disk utility will not verify disk because, " The underlying task reported failure on exit." The "repair disk" button does not light up. The report says that repairs need to be made to the hard drive. I have already checked permissions. What do I do next to get the repair process started? Also, I cannot find a defragmenting drive option in Disk Utility. Doesn't it exist?

You need to boot from the install DVD (or a clone of your internal) to run Repair Disk. Repair Disk will be grayed out, dimmed, because you can't repair from the same volume you are booted from.
EDIT: No, you do not yet need to use Disk Warrior or Tech Tool or do any reformatting. These steps might become necessary only if Repair Disk fails.
Unless you have very large video files, for example, there is no need to run any defragmenting utility. OS X does it all by itself on the fly.
Try Disk Utility
Start from your Mac OS X Install disc: Insert the installation disc, then restart the computer while holding the C key.
When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu. (In Mac OS X 10.4 or later, you must select your language first.)
Important: Do not click Continue in the first screen of the Installer. If you do, you must restart from the disc again to access Disk Utility.
Click the First Aid tab.
Click the disclosure triangle to the left of the hard drive icon to display the names of your hard disk volumes and partitions.
Select your Mac OS X volume.
Click Repair. Disk Utility checks and repairs the disk.
If you don't have the install DVD, try a Safe Boot. Hold the Shift key down at startup and give it much more time to boot than usual. It's trying to repair the drive directory.
Message was edited by: WZZZ

Disk utility, software update, garage band, security, etc. will not open.

I tried to update my itunes about 2 weeks ago. it started downloading, maybe it did all the way, i dont know. because everything stopped working. i can use safari/firefox, office programs and some others but when i try opening disk utility, software update, security (and other programs) they will not open. they come up in the bar at the bottom of the screen for a second then vanish with no warning or error (and no program actually opens).
at first i just deleted itunes completely thinking that was it but now I cant even download that again, as I cant use disk utility to open in.
also, i cant backup my files, i have no way. if i run the reinstall disk will it delete all my files or is there a way to only modify files?
thanks in advance for any advise!

Hi, and a warm welcome to the forums!
Qyuick, do thus 1st...
"Try Disk Utility
1. Insert the Mac OS X Install disc that came with your computer, then restart the computer while holding the C key.
2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu. (In Mac OS X 10.4 or later, *you must select your language first.)*
*Important: Do not click Continue in the first screen of the Installer. If you do, you must restart from the disc again to access Disk Utility.*
3. Click the First Aid tab.
4. Click the disclosure triangle to the left of the hard drive icon to display the names of your hard disk volumes and partitions.
5. Select your Mac OS X volume.
6. Click Repair. Disk Utility checks and repairs the disk."
http://docs.info.apple.com/article.html?artnum=106214
Then boot off the HD and...
About Disk Utility's Repair Disk Permissions feature...
http://docs.info.apple.com/article.html?artnum=25751
Reboot needed if many Permissions are fixed, and possibly reapply latest Combo Update also.

Disk utility check

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