Do 2nd Harddrives have Verifiable/Repairable Permissions?

Hello all,
When running Disk Utility, I cannot choose to verify/repair permissions on my 2nd, non-OS harddrive, even after verifying the disk. The HD is an internal SATA drive, just like the OS disk. I thought (still think?) this was normal, but then someone mentioned verifying permissions on an Ipod. If you can verify permissions on an iPod, I should be able to verify/repair my Media HD.
What do you think? Is there some steps I should take (short of reformatting) my 2nd HD to make it verifiable? If you cannot repair permission on a non-OS disk, what is the point of having the option to repair permissions in Disk Utility on the OS disk (as you are supposed to repair permissions from the OS installer DVD).
Thanks!
CMF

Hi CMF,
Yes, Maxplanar is correct.
*"someone mentioned verifying permissions on an iPod"*
~ either mistakenly, or it was an iPod with the "Disk Use" option enabled and a Mac OS X backup installed on it.
*"If you cannot repair permission on a non-OS disk, what is the point of having the option to repair permissions in Disk Utility on the OS disk (as you are supposed to repair permissions from the OS installer DVD)?"*
Permissions Repair are another matter, that you are mistaking with Disk Repair.
~ Permissions Repair can be done when booted from the same boot volume, because it is only about comparing default system files with (hopefully not) modified or corrupted ones.
~ Disk Repair has to be done while booted from another volume, because it's about taking care of the entire volume structure in many ways that involve not only the simple system file level.
_iPod or external HD dedicated for storage only:_
Now if it's about Disk Repair, yes you can do it, and it's a good idea to do it.
Nothing to do with Permissions.
Axel

Similar Messages

Verify/Repair permissions dimmed

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Den.

Hi Dennis,
first of all: WELCOME TO THE DISCUSSIONS!
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Verify/Repair permissions greyed on External discs

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Since I updated to Mountain Lion, the option to verify or repair permissions are greyed in the 2 external discs. Only the option verify disc is available to use.
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Barney-15E wrote:
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Try resetting the PRAM and SMC...
PRAM Reset:
http://support.apple.com/kb/HT1379
SMC Reset:
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and… if YES - how do you do it?
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(69160)

Disk Utility unable to Verify/Repair Permissions since this week's update

Hey there folks- I am experiencing some software problems with certain apps not launching (I understand it is an issue with QT now but am not clear on how to revert... Help?) and naturally panicked a bit.
I went into Disk Utility and tried to Repair Permissions.
Starts checking and then claims to lose connection and that I need to quit it and relaunch. This, of course, tells me that I am about to corrupt the disk and will "pay" for it (not seriously but feels like it!).
Anyone know what I can do to fix this as I really cannot, this minute, afford to reformat as I am working flat out with the machine.
So- review- unable to repair permissions and sometimes the machine runs slower than usual on the net as well as no longer launching some applications. Missing a few too but I can live with that!
Any help VERY gratefully received.

Oh dear lady upstairs! Sorry to not have responded sooner- I never got the message that you had answered me... Bit odd that!
OK- thanks for that. I do so like understanding what I am doing and, more importantly- WHY!
Will do and let you know if that sorts matters...
As for QT- I hear tell that it can interfere with the running of applications and I certainly had a lot more than just Disk Utility fail on me. Stuff APPEARS to launch and then just stops after a few bounces of the icon on the dock.
Of course that TOO began only after the update.
I have to say- if it weren't for your calming influence I'd have freaked by now. I mean- how can we trust the updates if they cause such agro?!
LOL!

Verify/Repair permissions????

Can anyone please explain to me what Verifying / Repairing Disk permissions actually does? I've heard people tell me it is like de-fragging in Windows....but I'm really curious what exactly is happening.
I'd also like to know how often doing this is a good idea. Should I always verify AND repair? Which one first? Someone help me out...
-justin

Hi -justin!
You'll find info here About Disk Utility's Repair Disk Permissions feature.
I never Verify. I just Repair.
I think Verify is a waste of time!
It should be run before & after any upgrades, updates, or installation of applications or programs.
ali b

Is it important to verify/repair permissions periodically?

I'm having issues with my superdrive on my MBP reading disks and I read somewhere that verifying and repairing permissions might help. I'm verifying now and it's found a lot of incongruencies...is it important that I repair these? I've never done this before. Should I be doing this once a month or...?

by the way..these are the errors I'm getting:
Permissions differ on "private/var/log/secure.log", should be -rw------- , they are -rw-r----- .
Permissions differ on "Applications/Utilities/AirPort Utility.app/Contents/Resources/lanArrow.png", should be -rwxrwxr-x , they are -rw-rw-r-- .
Permissions differ on "Applications/Utilities/AirPort Utility.app/Contents/Resources/lanCheck.png", should be -rwxrwxr-x , they are -rw-rw-r-- .
Permissions differ on "Applications/Utilities/AirPort Utility.app/Contents/Resources/lanDisabled.png", should be -rwxrwxr-x , they are -rw-rw-r-- .
Permissions differ on "Applications/Utilities/AirPort Utility.app/Contents/Resources/wanArrow.png", should be -rwxrwxr-x , they are -rw-rw-r-- .
Permissions differ on "Applications/Utilities/AirPort Utility.app/Contents/Resources/wanCheck.png", should be -rwxrwxr-x , they are -rw-rw-r-- .
Permissions differ on "Applications/Utilities/AirPort Utility.app/Contents/Resources/wanDisabled.png", should be -rwxrwxr-x , they are -rw-rw-r-- .
User differs on "System/Library/CoreServices/Dock.app/Contents/Resources/frontline.png", should be 0, user is 501.
Group differs on "System/Library/CoreServices/Dock.app/Contents/Resources/frontline.png", should be 0, group is 20.
User differs on "System/Library/CoreServices/Dock.app/Contents/Resources/indicator_large.png", should be 0, user is 501.
Group differs on "System/Library/CoreServices/Dock.app/Contents/Resources/indicator_large.png", should be 0, group is 20.
User differs on "System/Library/CoreServices/Dock.app/Contents/Resources/indicator_medium.png", should be 0, user is 501.
Group differs on "System/Library/CoreServices/Dock.app/Contents/Resources/indicator_medium.png", should be 0, group is 20.
User differs on "System/Library/CoreServices/Dock.app/Contents/Resources/indicator_small.png", should be 0, user is 501.
Group differs on "System/Library/CoreServices/Dock.app/Contents/Resources/indicator_small.png", should be 0, group is 20.
User differs on "System/Library/CoreServices/Dock.app/Contents/Resources/scurve-l.png", should be 0, user is 501.
Group differs on "System/Library/CoreServices/Dock.app/Contents/Resources/scurve-l.png", should be 0, group is 20.
User differs on "System/Library/CoreServices/Dock.app/Contents/Resources/scurve-m.png", should be 0, user is 501.
Group differs on "System/Library/CoreServices/Dock.app/Contents/Resources/scurve-m.png", should be 0, group is 20.
User differs on "System/Library/CoreServices/Dock.app/Contents/Resources/scurve-sm.png", should be 0, user is 501.
Group differs on "System/Library/CoreServices/Dock.app/Contents/Resources/scurve-sm.png", should be 0, group is 20.
User differs on "System/Library/CoreServices/Dock.app/Contents/Resources/scurve-xl.png", should be 0, user is 501.
Group differs on "System/Library/CoreServices/Dock.app/Contents/Resources/scurve-xl.png", should be 0, group is 20.
Permissions differ on "System/Library/CoreServices/Front Row.app/Contents/CodeResources", should be -rw-r--r-- , they are lrwxr-xr-x .
Permissions differ on "System/Library/CoreServices/Front Row.app/Contents/PlugIns/DVD.frappliance/Contents/CodeResources", should be -rw-r--r-- , they are lrwxr-xr-x .
Permissions differ on "System/Library/CoreServices/Front Row.app/Contents/PlugIns/FRSettings.frappliance/Contents/CodeResources", should be -rw-r--r-- , they are lrwxr-xr-x .
Permissions differ on "System/Library/CoreServices/Front Row.app/Contents/PlugIns/FRSources.frappliance/Contents/CodeResources", should be -rw-r--r-- , they are lrwxr-xr-x .
Permissions differ on "System/Library/CoreServices/Front Row.app/Contents/PlugIns/Movies.frappliance/Contents/CodeResources", should be -rw-r--r-- , they are lrwxr-xr-x .
Permissions differ on "System/Library/CoreServices/Front Row.app/Contents/PlugIns/Music.frappliance/Contents/CodeResources", should be -rw-r--r-- , they are lrwxr-xr-x .
Permissions differ on "System/Library/CoreServices/Front Row.app/Contents/PlugIns/Photos.frappliance/Contents/CodeResources", should be -rw-r--r-- , they are lrwxr-xr-x .
Permissions differ on "System/Library/CoreServices/Front Row.app/Contents/PlugIns/Podcasts.frappliance/Contents/CodeResources", should be -rw-r--r-- , they are lrwxr-xr-x .
Permissions differ on "System/Library/CoreServices/Front Row.app/Contents/PlugIns/TV.frappliance/Contents/CodeResources", should be -rw-r--r-- , they are lrwxr-xr-x .
Permissions differ on "System/Library/PrivateFrameworks/BackRow.framework/Versions/A/CodeResources", should be -rw-r--r-- , they are lrwxr-xr-x .
User differs on "Library/Internet Plug-Ins/Flash Player.plugin/Contents/Resources/English.lproj/Localized.rsrc", should be 0, user is 501.
Permissions differ on "Library/Internet Plug-Ins/Flash Player.plugin/Contents/Resources/English.lproj/Localized.rsrc", should be -rw-rw-r-- , they are -rw-r--r-- .
User differs on "Library/Internet Plug-Ins/Flash Player.plugin/Contents/Resources/English.lproj", should be 0, user is 501.
Permissions differ on "Library/Internet Plug-Ins/Flash Player.plugin/Contents/Resources/English.lproj", should be drwxrwxr-x , they are drwxr-xr-x .
User differs on "Library/Internet Plug-Ins/flashplayer.xpt", should be 0, user is 501.
Permissions differ on "Library/Internet Plug-Ins/flashplayer.xpt", should be -rw-rw-r-- , they are -rw-r--r-- .
Group differs on "Library/PreferencePanes", should be 0, group is 80.
Permissions differ on "Library/PreferencePanes", should be drwxr-xr-x , they are drwxrwxr-x .
Permissions differ on "Applications/iTunes.app/Contents/CodeResources", should be -rw-rw-r-- , they are lrwxr-xr-x .
Permissions differ on "Applications/iTunes.app/Contents/Frameworks/InternetUtilities.bundle/Contents/ CodeResources", should be -rw-rw-r-- , they are lrwxr-xr-x .
Permissions differ on "Applications/iTunes.app/Contents/Resources/iTunesHelper.app/Contents/CodeResou rces", should be -rw-rw-r-- , they are lrwxr-xr-x .
Permissions differ on "System/Library/LaunchDaemons/com.apple.usbmuxd.plist", should be -rw-r--r-- , they are -rwxr-xr-x .
User differs on "Library/Application Support/ProApps", should be 0, user is 501.
User differs on "Library/Internet Plug-Ins/Flash Player.plugin/Contents/Resources/Spanish.lproj", should be 0, user is 501.
Permissions differ on "Library/Internet Plug-Ins/Flash Player.plugin/Contents/Resources/Spanish.lproj", should be drwxrwxr-x , they are drwxr-xr-x .
Warning: SUID file "System/Library/Filesystems/AppleShare/afpLoad" has been modified and will not be repaired.
Warning: SUID file "System/Library/PrivateFrameworks/DiskManagement.framework/Versions/A/Resources /DiskManagementTool" has been modified and will not be repaired.
Warning: SUID file "sbin/umount" has been modified and will not be repaired.
Warning: SUID file "bin/rcp" has been modified and will not be repaired.
Permissions differ on "System/Library/PrivateFrameworks/iLifeMediaBrowser.framework/Versions/A/CodeRe sources", should be -rw-r--r-- , they are lrwxr-xr-x .
Permissions differ on "System/Library/PrivateFrameworks/iPhotoAccess.framework/Versions/A/CodeResourc es", should be -rw-r--r-- , they are lrwxr-xr-x .
Permissions differ on "System/Library/PrivateFrameworks/iPhotoAccess.framework/Versions/A/Resources/P lugins/BlackAndWhiteEffect.IAPlugin/Contents/CodeResources", should be -rw-r--r-- , they are lrwxr-xr-x .
Permissions differ on "System/Library/PrivateFrameworks/iPhotoAccess.framework/Versions/A/Resources/P lugins/CubeTransition.IAPlugin/Contents/CodeResources", should be -rw-r--r-- , they are lrwxr-xr-x .
Permissions differ on "System/Library/PrivateFrameworks/iPhotoAccess.framework/Versions/A/Resources/P lugins/DissolveTransition.IAPlugin/Contents/CodeResources", should be -rw-r--r-- , they are lrwxr-xr-x .
Permissions differ on "System/Library/PrivateFrameworks/iPhotoAccess.framework/Versions/A/Resources/P lugins/DropletTransition.IAPlugin/Contents/CodeResources", should be -rw-r--r-- , they are lrwxr-xr-x .
Permissions differ on "System/Library/PrivateFrameworks/iPhotoAccess.framework/Versions/A/Resources/P lugins/FadeThroughBlackTransition.IAPlugin/Contents/CodeResources", should be -rw-r--r-- , they are lrwxr-xr-x .
Permissions differ on "System/Library/PrivateFrameworks/iPhotoAccess.framework/Versions/A/Resources/P lugins/FlipTransition.IAPlugin/Contents/CodeResources", should be -rw-r--r-- , they are lrwxr-xr-x .
Permissions differ on "System/Library/PrivateFrameworks/iPhotoAccess.framework/Versions/A/Resources/P lugins/MosaicFlipTransition.IAPlugin/Contents/CodeResources", should be -rw-r--r-- , they are lrwxr-xr-x .
Permissions differ on "System/Library/PrivateFrameworks/iPhotoAccess.framework/Versions/A/Resources/P lugins/MosaicFlipTransitionSmall.IAPlugin/Contents/CodeResources", should be -rw-r--r-- , they are lrwxr-xr-x .
Permissions differ on "System/Library/PrivateFrameworks/iPhotoAccess.framework/Versions/A/Resources/P lugins/PageFlipTransition.IAPlugin/Contents/CodeResources", should be -rw-r--r-- , they are lrwxr-xr-x .
Permissions differ on "System/Library/PrivateFrameworks/iPhotoAccess.framework/Versions/A/Resources/P lugins/PushTransition.IAPlugin/Contents/CodeResources", should be -rw-r--r-- , they are lrwxr-xr-x .
Permissions differ on "System/Library/PrivateFrameworks/iPhotoAccess.framework/Versions/A/Resources/P lugins/RevealTransition.IAPlugin/Contents/CodeResources", should be -rw-r--r-- , they are lrwxr-xr-x .
Permissions differ on "System/Library/PrivateFrameworks/iPhotoAccess.framework/Versions/A/Resources/P lugins/SepiaEffect.IAPlugin/Contents/CodeResources", should be -rw-r--r-- , they are lrwxr-xr-x .
Permissions differ on "System/Library/PrivateFrameworks/iPhotoAccess.framework/Versions/A/Resources/P lugins/TwirlTransition.IAPlugin/Contents/CodeResources", should be -rw-r--r-- , they are lrwxr-xr-x .
Permissions differ on "System/Library/PrivateFrameworks/iPhotoAccess.framework/Versions/A/Resources/P lugins/WipeTransition.IAPlugin/Contents/CodeResources", should be -rw-r--r-- , they are lrwxr-xr-x .
Warning: SUID file "usr/bin/quota" has been modified and will not be repaired.
Warning: SUID file "usr/bin/rlogin" has been modified and will not be repaired.
Warning: SUID file "usr/bin/rsh" has been modified and will not be repaired.

Verify/repair permissions grayed out in disk utility

I recently replaced my main hard drive and now when I go into Disk Utility the option to verify and repair disk permissions is not available on the other drives that were in the machine before the upgrade
I am thinking it's a permission issue but not sure what needs to be set to fix it

No problem. It puzzled me for a while. Now I check it every time I format a drive since DU doesn't correctly set the permissions needed. It's a pain that when you clone one startup drive to another, say for backup, and erase the destination in advance that the drive's ownership and permissions will be wrong. Then you try repairing permissions like the OP did and find those options are grayed out, and you are staring at the monitor trying to figure out why. PITA.

Verify/Repair disk permissions hangs

Hello,
Since yesterday my SL became kind of unstable and I have to reboot it because of a hang with a spinning wheel quite often.
I want to verify/repair the disk permissions but the tasks never completes. When I run it via the GUI in the Disk Utility, it goes to around 5% then nothing happens even if I wait several hours. I can cancel the repair.
I also tried to run it via the command line but the progress stays at 0% :
~ $ sudo diskutil verifyPermissions /
Started verify/repair permissions on disk0s2 Macintosh HD
0% ...............................................
~ $ sudo diskutil repairPermissions /
Started verify/repair permissions on disk0s2 Macintosh HD
0% ...............................................
Any ideas ?
Thanks,
Tex

From your description it sounds like the internal HD is failing. It should be under 1 year old so you are covered by the warranty, make an appointment ASAP with your local Apple Store or AASP to bring it in. In addition if you have not purchased AppleCare now is the time to get it, AppleCare will extend your warranty to 3 years. However you must buy it buy it within the first year of ownership!
Here is a link you can use to make an appointment.
Regards,
Roger

Repair Permissions does nothing?

I run Verify Permissions regularly, after I run verify, I usually get a few hundred entries needing repair (....should be...). So I hit Repair Permissions and it reports back the permissions were repaired. So I restart my Mac and do a "verify" again, and I get the exact same number of entries that need repair.
Does anyone know what the actual purpose is and why Verify/Repair Permissions even exists in the first place since it appears to do nothing other than tell me I have a bunch (hundreds) wrong permissions that it's can't seem to correct??
Rob

Rob A. wrote:
I run Verify Permissions regularly,
Why?
after I run verify,
Oh wait, I missed that. Why Verify and not just Repair?
I usually get a few hundred entries needing repair
Do they need repair, or are they just being flagged as different from the current database?
(....should be...). So I hit Repair Permissions and it reports back the permissions were repaired.
Or does it just repair the ones that needed repairing?
So I restart my Mac
No need to do that.
and do a "verify" again, and I get the exact same number of entries that need repair.
Does anyone know what the actual purpose is and why Verify/Repair Permissions even exists in the first place since it appears to do nothing other than tell me I have a bunch (hundreds) wrong permissions that it's can't seem to correct??
As the operating system changes, the database is not updated to reflect those changes. Repair permissions sees these differences and notes them, but doesn't know how to handle them. It rightfully just leaves them alone.
When enough people who repair permissions when they don't need to report these anomalies to Apple, Apple gets around to posting a [Support Article|http://support.apple.com/kb/TS1448] telling everyone that you can just ignore those errors. The SUID errors should be checked against Apple's document to verify that something else isn't writing those permissions nefariously.

Repairing permissions frequently - daily

Can anyone shed light on this puzzle?: I have to repair permissions at least 2 or 3 times every day. I generally run only Mail 2.1.3, Safari 3.1.2, Filemaker Pro 5.5v2, Quickeys 3.2.3, and a small number of always-on gadgets (Sidenote, TypeIt4Me, Alarm Clock 2, NetBarrier - all current versions). I'm almost always running Safari and I do go through lots of tabs in a session (a minimum of about 500 each day), but I close excess tabs regularly (wish Safari would do that automatically!), and I relaunch Safari several times each day.
At least 2 or 3 times every day, Safari slows to a crawl and I use Oasis to repair permissions. It's almost always the same group of permissions that need repair. Here they are:
Started verify/repair permissions on disk disk0s3 Macintosh HD
Determining correct file permissions.
Group differs on ./Applications/Utilities/Activity Monitor.app/Contents/Resources/pmTool, should be 80, group is 0
Owner and group corrected on ./Applications/Utilities/Activity Monitor.app/Contents/Resources/pmTool
Permissions corrected on ./Applications/Utilities/Activity Monitor.app/Contents/Resources/pmTool
Group differs on ./Applications/Utilities/Keychain Access.app/Contents/Resources/kcproxy, should be 80, group is 0
Owner and group corrected on ./Applications/Utilities/Keychain Access.app/Contents/Resources/kcproxy
Permissions corrected on ./Applications/Utilities/Keychain Access.app/Contents/Resources/kcproxy
Group differs on ./Applications/Utilities/ODBC Administrator.app/Contents/Resources/iodbcadmintool, should be 80, group is 0
Owner and group corrected on ./Applications/Utilities/ODBC Administrator.app/Contents/Resources/iodbcadmintool
Permissions corrected on ./Applications/Utilities/ODBC Administrator.app/Contents/Resources/iodbcadmintool
The privileges have been verified or repaired on the selected volume
Verify/repair finished permissions on disk disk0s3 Macintosh HD
Can anyone shed some light on why this happens so frequently, and what I might do about it? I've tried running Activity Monitor to see if that would tell me anything, but either it doesn't or I don't know what to look for.

If you were having any serious problems with your Mac you might as well complete the exercise by repairing your hard disk as well. You cannot do this from the same start-up disk. Reboot from your install disk (holding down the C key). Once it opens, select your language, and then go to Disk Utility from the Utilities menu. Select your hard disk as before and click Repair.
Once that is complete reboot again from your usual start-up disk.
More useful reading here:
Resolve startup issues and perform disk maintenance with Disk Utility and fsck
http://support.apple.com/kb/TS1417
Then try this:
(First, if yours is an Intel Mac, check that Safari is not running in Rosetta, which is enough to slow it to a crawl.)
Many, including me, have had success with adding DNS codes to their Network Settings, with good results in terms of speed-up:
Open System Preferences/Network. Double click on your connection type, or select it in the drop-down menu. Click on TCP/IP and in the box marked 'DNS Servers' enter the following two numbers:
208.67.222.222
208.67.220.220
Click on Apply Now and close the window.
Restart Safari, and repair permissions.
If that didn't do it, then try this as well:
Empty Safari's cache (from the Safari menu), then close Safari.
Go to Home/Library/Safari and delete the following files:
form values
download.plist
Then go to Home/Library/Preferences and delete
com.apple.Safari.plist
Repair permissions (in Disk Utility).
Start up Safari again, and things should have improved.

Repairing permissions relevant to Apple apps. only?

I installed Macromedia Flash Player 9 and Firefox 2 today, and tried to repair permissions because Firefox was running slow. I accidently selected the main disk rather than the partition, Macintosh HD, tried to repair permissions and got an error message saying that quitting would render the disk unusable, or something along those lines. I clicked stop repair twice and eventually had to quit out because there was no other choice. I hope this won't pose a problem later on, assuming that was the wrong disk to repair and it didn't go all the way. I'm slightly paranoid that my computer won't startup normally if I shut it off. Although I did restart after this happened and everything seems fine at this moment.
- Is repairing permissions really only necessary for system updates and Apple-based application updates (iPhoto, iTunes)?
- Also, should I try again or is it best to just let it go for now, since it was only third-party apps that I'd updated?
iMac G5 Mac OS X (10.3.5)

You are correct. Repairing permissions will have no impact on any applications or software that doesn't have a receipt saved.
When you are repairing your hard drive or permissions you should not quit the activity until it finishes. I recommend doing the following:
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. Then 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 click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer. Now shutdown the computer for a couple of minutes and then restart normally.
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.
This may be overkill but it can't hurt anything.
Under normal circumstances you should not have to repair permissions. The reason you see it recommended so much is that it's a precaution that costs little to do and in some rare cases may actually fix something.

Do 2nd Harddrives have Verifiable/Repairable Permissions?

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