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Re: [linux-lvm] rc4 can't take snaphots of 0.9.1_beta7 lvs



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 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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