[linux-lvm] LVM2 Snapshots Question

Alasdair G Kergon agk at redhat.com
Sun Oct 22 11:12:02 UTC 2006

On Sun, Oct 22, 2006 at 04:06:59AM -0700, Rik Herrin wrote:
> Does this mean that I don't have to unmount (or remount ro) a partition if
> I'm using a 2.6 kernel to take a snapshot and I can rest assured that the
> logical volume will be in a consistent state?  Thanks for your help.
Yes, in principle; but there was a bug in userspace lvm2 for a while
(fixed in 2.02.08 - introduced around 2.02.02?) and there are problems
with a mistaken semaphone/mutex change someone put into some recent kernels
around 2.6.18.

agk at redhat.com

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