On Mon, 2007-02-26 at 08:25 -0500, Theodore Tso wrote:

Somewhat off-topic, but my one big regret with how the dm vs. evms
competition settled out was that evms had the ability to perform block
device snapshots using a non-LVM volume as the base --- and that EVMS
allowed a single drive to be partially managed by the LVM layer, and
partially managed by evms.  

If all you want is a snapshot, md can do this today ... you just create
a RAID-1 resync it and then break it ... of course, you have to have the
filesystem mounted above an md device initially ...

James