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Re: Anyone using LVM for backing up?

From: David Sparks (daveca.sophos.com)
Date: Mon Jun 22 2009 - 18:42:37 CDT

Little, Timothy wrote:
> We have a 20 gig db (that includes the MYIs and MYDs and FRMs).
> We are wondering how long LVM snapshots take.. in that how long might
> the DB be read-locked? Do we have to read-lock it and flush tables?

Take a look at mylvmbackup which takes care of flushing tables, creating and
destroying the snapshot, etc:


Expect a serious performance hit while the lvm snapshot is active.


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