[linux-lvm] Misleading documentation

[Les Mikesell]

On Wed, 2006-09-20 at 06:40, Heinz Mauelshagen wrote:

> > >This is my biggest beef with LVM - why doesn't *any* of the 
> > >documentation point this out? There are very few good reasons to use LVM 
> > >without RAID, and "ignorance" certainly isn't among them. I don't see 
> > >any mention of RAID or disk failures in the manual pages or in the HOWTO.
> > 
> > Mirroring should be dealt with in LVM itself, by mapping more PEs on 
> > physical seperate PVs to each LE. From the little information I've seen 
> > about the new LVM mirroring, it seems that the mirrors are defined on LV 
> > level instead of LE/PE. But after some JFGI sessions nothing really 
> > enlightening has shown up.
> 
> LVM2 does mirror by grouping multiple (hidden) logical volumes
> into a mirror set.

Where would I find example commands to add a mirror, check
the mirroring status, break it, reuse the other half, etc.?
Is it possible to mirror a snapshot instead of the changing
volume?

-- 
  Les Mikesell
    lesmikesell at gmail.com