[linux-lvm] LVM1 Bad harddisk. How do I het data off the Volume?

langelino langelino at gmx.net
Tue Mar 1 00:02:06 UTC 2005

Maybe the Maxtor's "Powermax" can get your disk to remember its correct
specs. See


Annoyingly, you need a Windows box to create this utility disk.

Good luck

M. Matt Colgin wrote:

>Hello Heine,
>It sounds like you're in a bad spot. I've been having issues with
>Maxtor drives as of late myself. In the past 2 months, I've had 4 die
>and 2 WD. Be prepared. I haven't worked with LVM1, but you're probably
>sounds independant of the LVM version at this point.
>This bad spot... It's because the BIOS won't recognize the drive. The
>only way to get anything off the disk is to get it recognized by the
>computer, only then can you do some magical recovery stuff, like
>Since you've already tried multiple controllers, the only thing I can
>suggest is to try a different computer. The key is going to be
>fiddling with the BIOS, only once you get the BIOS to recognize the
>drive, will you be able to proceed. Pull everything out of of the
>computer that isn't needed for running, that includes extra HD's,
>controller cards, sounds cards, everything. Try the Auto-Detect in the
>BIOS, if that doesn't work, try giving it the exact CHS parameters,
>try different computers (some BIOS will detect it). Try the PowerMax
>util from Maxtor, even if you can't get BIOS to quite recognize the
>drive, just a quick test as you don't want to strain the drive much
>If you can get it to POST with the correct drive, use the dd_rescue
>util and another drive. This will copy the old drive to a new one, at
>a sector by sector level. It'll take a *very* long time, but you might
>be able to get some data off the drive. But prepared for the worst and
>you'll be excited if you get anything off.
>As I said, I've had this happen quite a lot lately, with these crappy
>Maxtor drives and their 1 year warranty. DD_rescue took 5 days on a
>200 GB drive and was able to get 80% of the data off of the drive,
>enough that I could bring up the VG in paritial mode and get a lot of
>the data off, but alas a lot was lost too.
>On Mon, 28 Feb 2005 18:16:32 +0100, Heine Laursen
><maillist at gozar.dynu.com> wrote:
>>go0ogl3 wrote:
>>>Did you check the ATA/ide cable? Did you try to replace that cable or
>>>to verify if the drive has one or more ide pins bent or shorted?
>>Yes, I have tryed with 2 differnt controlers (onboard, and promse
>>controler) and 2 different ide cables. There are no pins who are bent.
>>Heine Laursen
>>linux-lvm mailing list
>>linux-lvm at redhat.com
>>read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
>linux-lvm mailing list
>linux-lvm at redhat.com
>read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/

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