Invalid first link in hard link chain + Indirect Node...

Have been getting these messages for the last 15 minutes in DU:
Invalid first link in hard link chain (id=19600073)
(It should be xxxxxxx instead of xxxxxx)
and
Indirect node 2001592 needs link count adjustment.
(It should be 1 instead of 11)
WTH?
thanks,
patrick

Sounds like a corrupt disk directory. Boot with your install disk, select your language, select Disk Utility from Utilities, and repair the HD. If Disk Utility can't, get DiskWarrior.

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    My external hard drive will not open and only shows up in Disk Utilities. When I try yo repair it, it give me and error of invalid sibling link. How do I fix my external hard drive?

    Invalid sibling link may not be fixable by Disk Utility. (Disk Utility is very conservative, and will not attempt repairs that might cause you to lose data.)
    It is an indication of serious Directory damage.
    that leaves
    a) third-party Utilities that will take those risks, or
    b) re-initializing the drive (which deletes all your data) and restoring from another backup source.
    c) "Copying off whatever files you can salvage" has gone by, and you cannot copy anything off a drive that will not mount. You may be able to use "rescue" programs such as prosoft engineering Data Rescue to copy files to another drive, but that sounds a lot better than its reality. You may get many files, but not get ANY filenames.

  • Powerbook G4 10.4.11  won't start from hard drive .  Tried repair, " The underlying task reported failure on exit (-9972).Invalid sibling link,invalid B tree header, invalid map node,invalid record type,the volume needs to be repaired.

    Powerbook G4 10.4.11  won't start from hard drive .  Tried repair, " Invalid sibling link,invalid B tree header, invalid map node,invalid record type,the volume needs to be repaired.Powerbook G4 10.4.11  won't start from hard drive .  Tried repair, " The underlying task reported failure on exit (-9972).Invalid sibling link,invalid B tree header, invalid map node,invalid record type,the volume needs to be repaired.
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    kauribill wrote:
    " The underlying task reported failure on exit (-9972).Invalid sibling link,invalid B tree header, invalid map node,invalid record type,the volume needs to be repaired.
    The underlying task reported failure on exit (-9972).
    This is a directory issue that Disk Utility cannot fix. Although it manifests itself as a software issue sometimes it may be hardware based. See DiskUtility reports "Underlying task reported failure" when repairing avolume http://support.apple.com/kb/TS1901?viewlocale=en_US". You can try using a utility like TechTool Pro, Drive Genius or Disk Warrior to repair and replace the directory. Another option would be to use the Archive and Install feature to reinstall. If the problem returns after correction you may have a failing or failed HDD.
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  • Start-Up: Folder with gray question mark / Disk Utility: Invalid Sibling Link

    Yesterday, I was working on my computer and it froze up. My only option was to reboot by holding down the power key. When the computer restarted, the screen was all grey with a folder in the middle of the screen with a question mark.
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    You are in a tough situation.  The disk appears unusable according to Disk Utility.  As was suggested you may (only may) be able to salvage it with Disk Warrior (not sure about Data Rescue).  DW can sometimes recover a drive that DU can't.  But nothing else can be suggested. 
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  • Recurring Invalid Sibling Link

    Hey Everyone,
    I've had my 12" powerbook for perhaps a year and a half now and hadn't had a problem with up until maybe just before christmas - the problem being an invalid sibling link in the file structure.
    I did a lot of looking around the web about this and concluded the best solution would be to backup, wipe the drive and then move eveything back on. I did this (with great difficulty seeing as some files seem to give it a hard time accessing and it'll often just sit there clicking the hard disk in a very annoying and very regular fashion) and reinstalled Tiger. For a while everything seemed to be fine, but soon I noticed the drive doing it's weird unproductive clicking again (sort of like click click cliiiiiick) and it'll sometimes just lock up the system til it's through clicking (this happens when i'm trying to open a few apps at a time like safari, itunes and MSN).
    I verified the disk back when i first noticed it clicking again and everything was fine - i did the same again last night and am told there's an invalid sibling link. Thing is, surely this shouldn't happen less than two months after I wiped the disk the first time? I sincerely hope this isn't a hardware problem though since it's happened again I'm kinda worried it might be. Another idea i was wondering about is, could it be due to corrupt files somewhere? I had particular trouble moving some files over to my firewire hard disk when i was backing up - could that cause problems like this?
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    iMac G5 17" (iSight)   Mac OS X (10.4.4)  

  • Disk Utility- Invalid Sibling Link

    Can anyone tell me what this is about
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    Checking Extents Overflow file.
    Checking Catalog file.
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    Error: The underlying task reported failure on exit
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    I had a similiar problem and posted this
    http://discussions.apple.com/message.jspa?messageID=3486224#3486224
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    I was about to migrate all my files back from an External HD FW and decided to Verify the disk quickly and this message came up.
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  • Errors when installing os x 10.4- Invalid sibling link-volume check failed

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    Hi confused- I just fixed my invalid sibling link error on my HD. Stop using your HD!
    It will only get radically worse. I went to http://www.alsoft.com/DiskWarrior/ to see which version of Disk Warrior I needed which was 4.1. Then I went to a retail store & bought the CD $99. On the box, it must say 4.0 with 4.1 included + CD rev 42. You must use the CD as the download won't boot up your HD. In the box is a 1-pager of simple instructions. Put disk in CD drive, follow instructions, click rebuild HD, wait 15 minutes. My HD is perfect!!!now. It fixed permissions, rebuilt my directory, fixed my CS3 Adobe applications, fixed corrupted prefs, found & restored ALL files. I lost nothing! Plus made a PDF detailed report. Best $99 i ever spent. Good luck!

  • Error: Invalid sibling link...what to restore and what not to restore

    I am two weeks from having done a reinstall and partial restore. My system has been locking up again frequently and my Disk Utility shows this error.
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    Checking HFS Plus volume.
    Checking Extents Overflow file.
    Checking Catalog file.
    Invalid sibling link
    The volume Macintosh HD needs to be repaired.
    Error: The underlying task reported failure on exit
    1 HFS volume checked
    Volume needs repair"
    When I did my previous restore, I only had a limited back up to my iMac account available. Just address info, stickies notes, iCal, preferences and Keychain data I think. Because a similar problem is recurring so quickly, my assumption is that I imported the corruption back in to my system.
    First, is this a good assumption? Second, my system is still slighty operational now, so I was wondering what from my new back ups I should restore after a reinstall and what I should leave alone.
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    Mac Pro   Mac OS X (10.4.10)  

    I am two weeks from having done a reinstall and
    partial restore. My system has been locking up again
    frequently and my Disk Utility shows this error.
    I am thinking that you may have a harddware problem. I'd assume it is the harddrive. Is the machine still under applecare?
    You may want to look into getting an external harddrive. With an external harddrive, you can clone your system and boot off the external harddrive. Cloning software: SuperDuper & carbon copy cloner
    When I did my previous restore, I only had a limited
    back up to my iMac account available. Just address
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    data I think. Because a similar problem is recurring
    so quickly, my assumption is that I imported the
    corruption back in to my system.
    Hard to say. If the backup files were corrupted, this would be a problem. Where you having a problem when you made a copy of the files?
    First, is this a good assumption?
    I haven't resorted that many Mac system, so I forget the terminology.
    Did you do a clean install? That is wipe out the files on the harddrive before restoring? I'd have reformatted the harddrive using disk utility before installing.
    Second, my system
    is still slighty operational now, so I was wondering
    what from my new back ups I should restore after a
    reinstall and what I should leave alone.
    Thoughts?
    Boot in safe mode. Hold down the shift key when powering on the machine. This will run a disk repair program.
    See this article:
    http://docs.info.apple.com/article.html?artnum=107393
    Have you tried disk first aid?
    You will need to boot from you installation disk. I have not done this, but here are some hints:
    see this article
    Or from mrtotes article :
    Boot from the OS X Install disk and from the Menu Bar choose Disk Utility. Then run "Repair Disk" and "Repair Disk Permissions" on your hard disk.
    Here the apple article on booting single user mode and using fsck. See the section on Use fsck:
    http://docs.info.apple.com/article.html?artnum=106214
    Perhaps Disk Warrior will be of some help:
    http://www.alsoft.com/DiskWarrior/

  • Invalid Sibling link, Crashing, Unmounted HD?

    I convinced my friend to purchase a mac because I have yet to have a single problem with mine. I fear that perhaps I lead him astray because he has had a slough of difficulties. Perhaps the quality standards at apple have faltered?
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    checking hfs plus volume
    Checking extents overflow file
    Checking catalogue file
    Invalid Sibling link - in red
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    He also noticed that the hard drive appears to be unmounted. Is this normal? When he pushes the mount button he says it does not make any difference.
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    If Disk Utility is unable to repair the damage, which is not entirely surprising, then you're going to have to resort to a more capable tool like TechTool or DiskWarrior.
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  • Disk Utility Message: Invalid Sibling Link

    I just verified my HD in disk utility for the first time, and I got this message:
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    Take a look at this site for the skinny on what an Invalid Sibling Link is.
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    ***Update to ask question***
    I would love to setup my new mini like my MBA.  Is there anything wrong with restoring my entire drive, I think it starts at /User/ level, to my mini????
      You know you never know when you will need the backups.  This makes me angry especially since I can see the files but can't repair the disk.
    OTOH, I attempted something I just now read about, option-click on time machine icon. Funny thing, I selected other disk and my passport (original broken drive) popped up with time machine backups on it.
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    hmmm.  I then, selected some random pdf file to restore and behold, It was restored to my mac mini right before my eyes.
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    Thanks

  • Macbook not starting up - Invalid Sibling Link

    Hi,
    I have a Macbook Pro 13 inch (Early 2011). It refuses to start up anymore. I have done the following tests/checks
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    Invalid Sibling Link  >   Invalid Sibling Link: Apple Support Communities
    You may need Disk Warrior ...

  • Can anyone help with an invalid sibling link problem?

    Following the computer not getting through to admin sign up today, I ran Disk Utility from the start up disk. It revealed an invalid sibling link that couldn't be repaired. I've trawled the web for a solution, which had me sign in with single user mode (currently logged in as such).
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    Typed umount /dev/disk0s3, which seemed to have the HD mounted on it.
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    When confronted with an issue that Disk Utility can't fix, most people get Disk Warrior or TechTool Pro may be able to help too. Or you could try wiping the disk clean, writing zero's to the surface, and restore from backup.
    Here's the mount format for 10.5. If you have 10.4 or earlier, you can choose it at the top of the page:  http://developer.apple.com/library/mac/#documentation/Darwin/Reference/Manpages/ 10.5/man8/mount.8.html

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  • Re: Invalid sibling link came the reply

    Hi Folks, I have a big problem, I was saving a document when the spinning beach ball arrived.
    The computer just quit, i've never had Mac quit like that before.
    I ran Disk Utility, (Invalid sibling link came the reply) I can see the drive greyed out, I highlight the
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    I re-booted from my Diskwarrior cd and that way managed to bootup from an external HD.
    I ran diskwarrior. When I reached the point to replace the directory I get a flag telling me that there
    is not enough free disk space to perform a fail-safe replacement of the directory.
    Does anyone know: How much space is required to replace the directory (I have 2.5 gig available)
    Is there a way to pull stuff off the HD. !!!!
    At this point I think a couple of glasses of vino calapsso is what I need.
    What can I do next. Thanks very much in advance.......... B Taylor

    Hi-
    Does anyone know: How much space is required to replace the directory (I have 2.5 gig available)
    Oh my! 10 to 15GB minimum free space, or no more than 80% capacity. You have problems....
    At this point I think a couple of glasses of vino calapsso is what I need.
    No, you need another hard drive.
    Buy a new hard drive, and install it in the other hard drive bay. Format the new drive with Disk Utility, and install OS X. Boot to the new drive, and then you can move files to the new drive.

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