[Linux-cluster] GFS resiliancy

[Eric Kerin]

On Tue, 2006-05-09 at 14:14 +0100, Stephen Willey wrote:
> If the GFS filesystem is built over several discs LVMed together, how
> will it behave in the event of a failure of one of those discs (when
> setup with a linear striped LVM)?
> 
> Is there any way of securing the filesystem against the failure of any
> one physical volume?
> 
With GFS this needs to be handled at the storage layer, you'll need a
storage subsystem that supports some form of RAID (4/5/1+0/etc) to keep
disk failures from destroying your filesystem.

You can't use software RAID, or LVM, since they aren't currently cluster
aware.

Thanks, 
Eric Kerin
eric at bootseg.com