[lug] Server Partitioning Recommendation

[dio2002 at indra.com]

>> B) help isolate the impacts of partition corruption.
>
> I've never seen this, only whole-drive failure.  I'm sure it can happen,
> though.  Keep revisioned backups such as rdiff-backup or regular offline
> backups.  Don't span LVM across multiple physical devices.

I thought the whole purpose of LVM was so that you "can" span multiple
physical devices.  Why would I not want to span LVM across physical
devices?