<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Arial; font-size: 12pt; color: #000000'><br>----- Original Message -----<br>From: "Jim Olding" <olding@smashtech.net><br>To: grlug@grlug.org<br>Sent: Wednesday, October 21, 2009 7:18:03 PM GMT -05:00 US/Canada Eastern<br>Subject: [GRLUG] LVM Data Recovery<br><br>Well, it finally happened, I had a complete RAID failure. Before it<br>comes up, yes, I have the important stuff backed up, but I would still<br>like to try getting the data back before just throwing in the towel.<br><br>I'm following the guide here -<br>http://www.linuxjournal.com/article/8874 even though it is a bit<br>dated.<br><br>Software RAID Setup<br>/dev/md0 - RAID1 (1TB /dev/sda and /dev/sbd)<br>/dev/md1 - RAID5 (1TB total, 500GB each on /dev/sdc, sdd, and sde)<br><br>LVM Setup<br>/dev/vg0 - XFS spanned across both md0 & md1<br><br>sdd had gone out, and I just got the replacement in today. When the<br>system started up, sde started throwing errors, which deactivated md1<br>(because now its missing 2/3 members). I'm not holding out much hope<br>for md1, so I'm wondering if there is some way to bring up the LVM<br>group in a 'partial' mode (with just md0), and retrieve any data from<br>it.<br><br>You could try to pvremove the offending drives and see if you can access the lvm after they've been removed.<br><br></div></body></html>