[Hidden-tech] lacie extreme disk error messages

[Will Loving]

I¹ve had repeated difficulties with Time Machine backups being done to an
external USB drive (OWC dual disk drive in my case). The backup works fine
for a while and then after a month or two eventually corrupts to the point
where Disk Utility can¹t repair it. Once Disk Utility gives you the errors
you are getting, you only choices are to try another utility such as Disk
Warrior or re-format the drive and restart you Time Machine backup loosing
all the incremental backups you currently have stored. In the past Disk
Warrior has occasionally been able to fix things that DU doesn¹t but I don¹t
have the most recent version and so can¹t speak directly to it. The erase
and start over option is the safest.

As Alex Lindsay of PixelCorp and MacBreak says with regard to computer data
and backups, ³if it doesn¹t exist in three places, then it doesn¹t exist²,
meaning the original and two backups makes three. I use Time Machine to one
drive, periodic backup of the entire disk image to a separate drive, and
Carbonite. Carbonite is OK, but it¹s pretty slow on the upload. There are
reportedly better/faster services and I will probably switch when my year
subscription is up.

Will

Will Loving, President
Dedication Technologies, Inc.



on 2/25/10 11:23 PM, Tom Adams ~ Reelife Productions & Folktography at
tomadams at gmail.com wrote:

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>    ** If you did, we all thank you.
> 
> 
> 
> 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 ³Time Machine _BU²
> 
> 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 ³Time Machine _BU² 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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> 
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-- 

William M. Loving
Dedication Technologies, Inc.
7 Coach Lane
Amherst, MA 01002-3304   USA
will at dedicationtechnologies.com
Tel: +1 413 253-7223   (GMT ­5)
Fax: +1 206 202-0476

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