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Re: [linux-lvm] Using LVM Mirroring to obtain a usable backup



Ambrogio De Lorenzo <ambrogio de lorenzo alice it> wrote:
> Hi all.
> I'm doing a big upgrade on my computer and I tryed to use lv mirroring
> to obtain a copy of my data before to do it.
> 
> As I do with LVM on other OS i thought that after mirroring one could
> chose to split the mirrored lv.
> 
> I can't find how to do it with LVM2 on Linux.
> 
> There is a way?

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.

-- 
André Gillibert




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