On Wed, 2009-09-16 at 21:15 +0200, Ambrogio De Lorenzo wrote: > > Imagine that upgrade change something in LVM configuration or in lvm > software. Well, that is most certainly a corner case. LVM/device-mapper is very stable and never caused me a problem of this nature. > Snapshots are good only if you have the original data and all the > modified data. Of course. You have to have LVM in order for snapshots to work. > I know very well how snapshot works. And it's for this reason that I > don't think it's a good choise for my scope So why not take this opportunity to learn something new? I love opportunities like that. > Yes, but LVM is already configured for this reason. > Mdadm isn't. I tried to test it but I'm not able to obtain a mirror of > an already partitioned and used disk. So (to beat a dead horse) use a snapshot then. b.
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