Il giorno mer, 16/09/2009 alle 17.05 +0200, André Gillibert ha scritto:
Mirroring is software RAID1.
What you want looks like LVM snapshots.
See LVM HOWTO to see how to create snapshots.
A backup may be a good thing to do, too.
snapshot is not a good choise for me. I want to have an identical copy
(like dd) on another identical disk, for fast recovery in case of
This is what I do with raid hardware, and I would like to know if is
possible to do it with lvm mirroring.
I'm looking also on mdadm to mirror a disk (or partition) but I think it
is not usable when disk is already partitioned and used without mdadm.
Backup is good but is not a good choise in this case, because a full
restore is a long process
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read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/