Comments on: LVM Breaks When Upgrading Debian Etch to Lenny 4.x to 5.0

By: pfbach

pfbach — Fri, 28 May 2010 22:43:01 +0000

Thanks, this saved me from a lot of trouble. Finally I could migrate my last server from etch to lenny, and LVM to LVM2 !!

By: doug

doug — Fri, 12 Feb 2010 11:43:16 +0000

thanks for the advice!!

i’m going through lenny’s release notes, and i’ll add your notes to them.

By: admin

admin — Mon, 08 Feb 2010 15:56:18 +0000

First things first. You don’t have to upgrade LVM. The upgrader holds it back so if you do a dist-upgrade, LVM is not upgraded and your system will work fine.

If you want to upgrade LVM at a later date, simply follow steps 13-17.

I learned this through trial-and-error. When one of my servers came up and couldn’t load the LVM mapper, I pretty much freaked out. However, if LVM does break, your data is not gone. You can boot off an Etch CD and do a repair/recovery. You’ll get to rebuild your LVM maps.

After my fist major failure followed by repairing with the CD, I used the steps in the post successfully on a number of servers without problems. The key is to get all the way to Lenny BEFORE upgrading LVM.

By: doug

doug — Mon, 08 Feb 2010 14:21:30 +0000

i’m close to upgrading my etch server to lenny, and i am very much affraid to do it just because of potential issues with lvm. sofar this has kept me from upgrading.

if i look at the release notes, no mention is made of issues with lvm.

i can not make backups of my disks, so i would be definately hosed if i can not get access to my disks after upgrading.

did u learn about the solution you describe yourself? can you mention any resources you used to document yourself before the upgrade?

thanks.