Disk utility disabled the verify disk button

Hi.
Up to 5 minutes ago, I was able to run the disk utility and verify my disk. Now, only the permission-related buttons are enabled.
Does anyone know why this happened? Why can't I verify my disk anymore?
Thanks a lot.
mircea

I understand that, but then it's strange that I could verify from the boot disk before. As I said, it's the first time I can't do this, and that's what putting me off. In the past 6 months I would verify and repair my disk while booted from it. My question is how come, suddenly, I can't do this anymore?
Would this be something an update could have addressed? It did seem to happen after I installed the latest security update and the superdrive update. What do you think?
Thanks for answering,
Mircea

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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

Anyone clean their mac using the disk utility using the repair disk permissions??

anyone clean their mac using the disk utility using the repair disk permissions??

No. Threads don't hurt anything. If your computer is not functioning properly perhaps you need to try some basic maintenance. Let's start by having you do this:
Repair the Hard Drive and Permissions
Boot from your Snow Leopard 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. 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 click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.
If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro 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.
Next, try booting into Safe Mode then immediately restart normally. Safe mode is going to take a while so be patient. It's slow.
Next, create a new user account. Log out of your account then log into the new account. Try using iPhoto and the publishing button. Do they work now?
If you still have a problem, then do the following. If you don't want to go through the above then just start with the following and forget the others above.
Reinstall OS X without erasing the drive
1. Repair the Hard Drive and Permissions
Boot from your Snow Leopard 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. 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 click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.
If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro 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. Reinstall Snow Leopard
If the drive is OK then quit DU and return to the installer. Proceed with reinstalling OS X. Note that the Snow Leopard installer will not erase your drive or disturb your files. After installing a fresh copy of OS X the installer will move your Home folder, third-party applications, support items, and network preferences into the newly installed system.
Download and install Mac OS X 10.6.8 Update Combo v1.1.

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My Mac can't find the volume " Data" on Time Capsule, Also I can't find with the disk-utility program the hard disk in the Time Capusule.
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I listed the commands.. that is how you manually mount the disk.. follow exactly the commands I gave you.
In finder use top menu, go, connect to server.
Type in the following.
AFP://TCname or AFP://TCIpaddress (obviously you replace with the actual name or the actual IP address).
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try
SMB://TCname
Here is the screenshot.
tardis4 being the name of my TC.
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Verifying volume “MacSSD”
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Apple doesn’t routinely monitor the discussions. These are mostly user to user discussions.
Send Apple feedback. They won't answer, but at least will know there is a problem. If enough people send feedback, it may get the problem solved sooner.
Feedback
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Feedback via Apple Developer

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Hi, I'm having a problem could be related. I've a 3 years old Xserve (not intel) with 3 HD managed by the apple original RAID board, all that running Mac OS X 10.4.
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Please help! I downloaded the Security Update 2007-004 and my comp crashed! When I turn my computer on I get a folder icon in the middle of the screen and it won't start.
I tried using Disk 1 to get to my harddrive. I got to Disk Utility and tried to verify disk. But I got the following message.
Invalid B-tree node size.
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Welcome To Discussions jo*!
Do you know what size the Hard Drive is, and how much space is available?
Although that error is not exactly good news, it is not necessarily a death knell.
DiskWarrior, does indeed, have a high success rate at rebuilding when Disk Utility reports "Underlying task reported failure" when repairing a volume (Error -9972).
In the above link it states;
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DiskWarrior, also linked above, is just such a third-party utility.
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ali b

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I had two long talks with two separate Apple Care people online today who both insisted what they were saying was right and the other person was wrong.
Hmm....
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I have a MBP and the internal HD is currently empty. I've been running off of an external HD for about a year now.
I want to clone my external HD into my internal HD and use the internal HD as my system disk now.
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The advantage is CCC has built in routines that "bless" (see the Terminal.app command "bless") the
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Sometimes it won't boot afterwards. Most of the time (as long as there are no system files missing
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CCC is not a "magical" application, it is in fact a front end to applications that already exist separately
in OS X (asr, hdiutil, diskutil, bless, etc.).
It doesn't matter to me how you do it. It's your time not mine. Everyone should spend some time
behind the command line in terminal. I do many tasks using the command line, including and not
limited to complete system restores, backing up data, disk partitioning, installing software, disk
repair, permissions repair, ACL management, restoring data, managing disk images, network
management, user management, file management, etc. Many people are fearful of the command
line. I feel just the opposite, I'm fearful without it.
Say Hello to my little friend.
http://manuals.info.apple.com/enUS/Command_Line_Adminv10.5.pdf
http://www.apple.com/downloads/macosx/unixopensource/clix.html
http://www.macobserver.com/tips/macosxcl101/index.html
http://www.matisse.net/OSX/darwin_commands.html
Kj

Disk utility says "RAID STATUS: Disk missing"?

When I boot up OS 10.3.9 there is error message "detected volume OS X cannot read - initialize, ignore or eject" - then it dissappears and the system drive behaves normally. But in disk utitlity it says "RAID STATUS: Disk missing".
The disk is not partitioned and it will not let me repair permissions. Any ideas?

Disk Utility monitors the status of the disks in a RAID set. If you see a message indicating that a disk is missing or has failed, try these troubleshooting steps:
If you are using a striped RAID set, delete the damaged RAID set. Your data may be lost. Be sure to back up your RAID sets and other data regularly.
If you are using a mirrored RAID set, there may have been an error writing data to the disk. Click Rebuild in the RAID pane of Disk Utility.
If a problem persists, replace the damaged disk and click Rebuild to rebuild the RAID set.
Use the First Aid pane to repair the RAID disk, then check the RAID set to see if it still reports an error. If the problem is still present, quit and reopen Disk Utility, select the RAID disk, and click RAID. Check the RAID set to see if it still reports an error. You may need to restart your computer.
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Were you trying to repair the disk you were booted from? You can't do that - you need to boot from your install disk, and choose 'Disk Utility' from the 'install' menu.

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Clean Install of Snow Leopard
Be sure to make a backup first because the following procedure will erase
the drive and everything on it. See below for how to clone a drive.
     1. Boot the computer using the Snow Leopard Installer Disc or the Disc 1 that came
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         After the chime press and hold down the "C" key. Release the key when you see
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Download and install Mac OS X 10.6.8 Update Combo v1.1.
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Clone using Restore Option of Disk Utility
1. Open Disk Utility.
2. Select the destination volume from the left side list.
3. Click on the Restore tab in the DU main window.
4. Select the destination volume from the left side list and drag
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5. Select the source volume from the left side list and drag it to
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6. Double-check you got it right, then click on the Restore button.
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Ever since I received my new Macbook, whenever I try to run the Disk Utility's "verify permissions", the system freezes up. Disk Utility seems to freeze, and I cannot interact with anything on the computer anymore. The mouse remains functional, but I cannot click on any other applications, change focus or even force quit.
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I always thought it was a bad idea to repair permissions from a disk other than the startup disk if you had updated the OS from what is on the install DVDs.
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Macintosh HD won't boot, but disk utility says "The volume Macintosh HD appears to be OK." How do I repair the hard drive?

I have a MacBook that needs its internal hard drive's Macintosh HD partition repaired, as the boot screen freezes on startup. I am running a separate, working mac OS from an external hard drive in order to run disk utility and repair the MacBook's internal OS. The issue is, it has dismounted the internal Macintosh HD partition, and won't remount. And in addition to that, the Verify Disk option returns with, "The volume Macintosh HD appears to be OK." I've run Verify Disk and Repair Disk a few times, all with that same result. And the internal OS still won't boot.
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There is also a boot camp partition on the internal hard drive which is of no importance as to whether it stays or is erased.

Reinstall OS X without erasing the drive
Do the following:
1. Repair the Hard Drive and Permissions
Boot from your Snow Leopard 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. 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 click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.
If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro 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. Reinstall Snow Leopard
If the drive is OK then quit DU and return to the installer. Proceed with reinstalling OS X. Note that the Snow Leopard installer will not erase your drive or disturb your files. After installing a fresh copy of OS X the installer will move your Home folder, third-party applications, support items, and network preferences into the newly installed system.
Download and install the Combo Updater for the version you prefer from support.apple.com/downloads/.

Disk Utility Freezes When Verifying HD

Not sure what's gone wrong here--hoping you folks can help me out.
I wanted to make sure my OS X directory was in okay shape, so I tried to "verify disk" using Disk Utility. After a few seconds, the application becomes completely unresponsive. Activity Monitor shows the process as "Not Responding" in red. Attempting to quit the process locks Activity Monitor. Shortly after, the entire system is frozen.
I've deleted the preference files in my home folder, but that didn't change the behavior.
The same issue occurs in my mother's account.
I booted up from my install disc and tried to repair the disk. It failed with the error "The Disk 'Macintosh HD' could not be unmounted. I then clicked the "verify disk" button, and my disk "appears to be OK."
Any ideas what's causing this unusual behavior? I'd like to get things working as they should, if possible.
Oh, and this is my MacBook, running OS X 10.5.6. The Macintosh HD partition is 66.9 GB & 12.36 GB is free.
Just realized I haven't repaired permissions; going to do that now, then try again and see if repairing permissions makes any changes.
~Lyssa

DaddyPaycheck:
I'm running DU from my computer. It came with Leopard installed (I bought this computer last spring). If I'm running it from my computer, I should be running the latest version then, right?
Carolyn:
*Are you referring to the com.apple.DiskUtility.plist?*
Yes, that's the one! I deleted it, then tried running DU to verify the disk again, but the same issue occurred--the application froze.
*"Oh, and this is my MacBook, running OS X 10.5.6. The Macintosh HD partition is 66.9 GB & 12.36 GB is free. 12GB out of 70 is cutting it kind of close. You really need to be in the 10 to 15% free drive space range minimally."*
If I've calculated things right, I should have about 10GB free in order to have 15% of my drive free. I know I'm cutting it a little close, but this is the best I can do, for now.
As mentioned in my initial post, I can't repair the disk. Disk Utility fails with this error: "The Disk 'Macintosh HD' could not be unmounted." The Verify Disk option does work, and comes back with the report of "The Disk appears to be OK."
I used BootCamp to partition my drive for Windows, so I can't repair the entire drive, just the "Macintosh HD" portion. S.M.A.R.T. status is verified.
I'll give the AHT a go after I get home from class later today. I'll also try the steps in the article you linked--thanks!
If you folks have more suggestions, let me know.
~Lyssa

Disk utility disabled the verify disk button

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