[linux-lvm] hard drive crash info please

Kai Iskratsch kai at stella.at
Thu May 8 13:29:01 UTC 2003


you need lvm2 to  activate a partial volume group. if you have a backup 
of your vgcfg  then you may restore your config to a new harddisk with 
the lvm1 tools.
i had no actual vgcfgbackup so i needed to upgrade to lvm2 to activate 
the partial vg and make a backup of all partitions that were not 
affected by the crashed harddisk. then i used the vgcfgbackup on the 
partial vg and edited the meadata from the backup (lvm2 saves the backup 
data in human readable form) that all missing segments are put on the 
replacement disc. after i restored the backup everything worked again 
and i lost only the data which was on the bad disk.



Randy Perkins wrote:

>	I have a lvm setup of 5 PV (disks), 1 VG,  and 1 LV.  one of the drives
>just started clicking, and is not recognizable by the bios. Now when i
>boot up my volume group is not recognized.
>some info:
>redhat 8.0
>lvm 1.0.3
>readable copy of /etc/lvmconf/my_vg.conf ( about 5 months old )
>	How can i retrieve some of the data that is contained soley
>on the other 4 drives. ?? Any help is appreciated.
>	i have been looking over the list,
>and it appears this thread talks about extracting data from LV
>that didnt span the bad disk, but i only have one LV.
>it looks like he is using lvm2
>	does lvm2 have additional tools that can be used to bring back some of
>my data. ??
>i was just keeping mp3 on this LV, but when i upgraded redhat i moved
>all my data to it for awhile, and never moved it back.  my wife is
>pissed cause i lost all my digital pictures, and i lost all my personal
>files.  i knew better but didnt listen to myself.  the hard drive gave
>no errors in the logs, which i monitor, it just up and started beating
>its head against the wall.  thanks for any help
>linux-lvm mailing list
>linux-lvm at sistina.com
>read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/

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