[Hidden-tech] lacie extreme disk error messages

[B. Kimo Lee]

Hi Tom,

I recommend Disk Warrior. Try running that to see if you get the same  
errors. In my experience, Apple's utility can't seem to handle certain  
types of file structure problems.

I had a similar file structure problem on a EZQuest Firewire drive   
several years ago. Sometimes sectors of the drive get corrupted and  
the leaf record count doesn't match up. If you go forward with the  
rebuild, you lose data. I did, it fixed the problem and the drive  
worked, but I lost some data. I backed up the rescued files and then  
re-formatted the drive. But you might have better look with Disk  
Warrior.

Btw, do you have the required minimum 10% of free space available on  
the drive? Does that rule still apply on terabyte drives?

Good luck,
Kimo


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On Feb 25, 2010, at 11:23 PM, Tom Adams ~ Reelife Productions &  
Folktography wrote:

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>
>
> Hello,
>
> looks like my 1TB lacie backup "extreme disk" has finally decided to  
> play with my sanity. I tried runnin' apple's disk utility to no  
> avail. The discs icon shows up in the left panel but will not mount-  
> here are the messages I got:
> =========
> Verify and Repair volume “Time Machine _BU”
> Checking Journaled HFS Plus volume.
> Detected a case-sensitive catalog.
> Checking Extents Overflow file.
> Invalid leaf record count
> (It should be 4500 instead of 4505)
> Checking Catalog file.
>
> >>Disk Utility stopped repairing “Time Machine _BU” because the  
> following error was encountered:
> Filesystem verify or repair failed.
>
> (It should be 4500 instead of 4505)
> Checking Catalog file.
> Invalid node structure
> Volume check failed.
> Error: Filesystem verify or repair failed.
> =============
>
> anyone have any insight or suggestions about what I should do next.  
> I know that Lacie has had problems with the "extreme disks" power  
> cords not giving the units enough juice but this doesn't seem  
> related at all.
>
> trying not to wig out too much...but I do happen to have a A LOT of  
> important stuff on this drive. Help?
>
>
>
> Regards,
>
> Tom Adams
> ~~~~~~~~~~~~~~~
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