[linux-lvm] How well tested is the snapshot feature?

[Joe Thornber]

On Fri, Jun 07, 2002 at 11:27:10AM +0200, Stephan Austermuehle wrote:
> Hi,
> 
> are there any known issues with the snapshot feature in LVM 1.0.4?
> Using it for backups of XFS causes trouble and leads to kernel crashes
> regularly. For the moment I can give hardly any details because XFS
> filled the log file with zeros after crashing. Sometimes the kernel
> oopses when running xfsdump, sometimes when I do lvremove on the
> snapshot device.

Did you apply the VFS patch from the 1.0.3 release ?  This makes sure
that the filesystem flushes a consistent state to the disk before the
snapshot is setup.

- Joe