[linux-lvm] rc4 can't take snaphots of 0.9.1_beta7 lvs
Joe Thornber
thornber at btconnect.com
Tue Oct 9 19:30:31 UTC 2001
On Tue, Oct 09, 2001 at 12:30:36PM -0400, Chris Mason wrote:
>
>
> On Tuesday, October 09, 2001 04:58:01 PM +0100 Joe Thornber
> <thornber at btconnect.com> wrote:
> >
> > Some of the betas misaligned the logical volumes. If the volumes
> > aren't page aligned the snapshot code (which uses kiovecs) cannot
> > work. You have this problem. Fixing it isn't easy; you need to
> > shuffle your extents up or down by the appropriate amount. No one has
> > written a program to do this as of yet. Sorry.
> >
>
> Well, it worked in beta7
did it ? It may not have segfaulted, but did you check the data
really carefully ? After all it took a while for anyone to realise the
problem existed.
- Joe
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