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LVM snapshots on 2.6.8-022stab064.1-enterprise [message #1740]

Tue, 21 February 2006 20:34

crackez
Messages: 3
Registered: February 2006
Location: Philadelphia Area

Junior Member

I have a nice 4 way box with 5GB of RAM running CentOS 4.2/OpenVZ. I like it a lot, but I've come across a stumbling block: Backups.

I want to make snapshots and dump them over the network to a disk cache before being dumped to tape.

I generally do this with lvm snapshots, the dump command, and ssh, but when I try to create the lvm snapshot, I get an error.

# lvcreate -s -l 20 snap_root /dev/vg_sys/root
  snapshot: Required device-mapper target(s) not detected in your kernel
  lvcreate: Create a logical volume
...
# modprobe dm_snapshot
FATAL: Module dm_snapshot not found.

Are lvm snapshots unavailable on the openvz kernels?

--Andy

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[Message index]

		LVM snapshots on 2.6.8-022stab064.1-enterprise By: crackez on Tue, 21 February 2006 20:34
		Re: LVM snapshots on 2.6.8-022stab064.1-enterprise By: curx on Tue, 21 February 2006 23:24
		Re: LVM snapshots on 2.6.8-022stab064.1-enterprise By: crackez on Thu, 23 February 2006 14:32
		Re: LVM snapshots on 2.6.8-022stab064.1-enterprise By: dev on Thu, 23 February 2006 20:08
		Re: LVM snapshots on 2.6.8-022stab064.1-enterprise By: crackez on Fri, 24 February 2006 19:30
		Re: LVM snapshots on 2.6.8-022stab064.1-enterprise By: dev on Mon, 27 February 2006 17:37

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