[linux-lvm] Snapshots with Debian 2.4.26
mkomarinski at hms.harvard.edu
Thu Jul 1 13:23:23 UTC 2004
Mark Komarinski wrote:
> Right. I'm off breaking all the rules here. Here's what I have:
> Debian backport of 2.4.26 (only change was adding 64G support)
> Debian stable (1.0.4 it says)
> I want to use snapshots for backing up oracle, but here's what I have:
> cliff:~# lvcreate -l1 -s -n oracle_control_1_snap
> lvcreate -- INFO: using default snapshot chunk size of 64 KB for
> lvcreate -- doing automatic backup of "vg00"
> lvcreate -- logical volume "/dev/vg00/oracle_control_1_snap"
> successfully created
> cliff:~# mount /dev/vg00/oracle_control_1_snap /snapshot/oracle/
> mount: block device /dev/vg00/oracle_control_1_snap is write-protected,
> mounting read-only
> mount: wrong fs type, bad option, bad superblock on
> or too many mounted file systems
> (The size of the lv that I'm doing a snapshot of is 1 64M extent, so
> doing a 1 extent in size should be enough, yes?)
> My understanding is that this is a result of the VFS patch not being
> applied. But there doesn't seem to be a VFS patch for 2.4.26.
> Any ideas? I can provide whatever additional information you need, but
> this is really strange.
I'll follow up to myself, as I found the problem.
I was able to find the 2.4.22 VFS patch which applied pretty cleanly
(there was a DM patch, but since I'm not using it, there was nothing to
apply). Rebooted and it's working fine.
Mark Komarinski mkomarinski at hms.harvard.edu
Sr. Linux/UNIX System Administrator http://wqcg.med.harvard.edu
West Quad Computing Group
Harvard Medical School
More information about the linux-lvm