Re: [Xen-users] Xen backups using LVM Snapshots

[Steve Spencer <sspencer@xxxxxxxx>]

I would concur!  Rsnapshot is an excellent way to get a good backup of
needed data directories and provides a lower risk of loss.

Steven G. Spencer, Network Administrator
KSC Corporate - The Kelly Supply Family of Companies
Office 308-382-8764 Ext. 231
Mobile 308-380-7957


Javier Guerra wrote:
> On Wed, Oct 15, 2008 at 2:17 AM,  <lists@xxxxxxxxxxxxx> wrote:
>> Each DomU with a database has a cron that dumps the db with mysqldump.  
>> Later on, Dom0 will do an LVM Snapshot of all DomUs and then do a file 
>> system backup of the Snapshots.  I do no actions on the DomUs.  No shutdown 
>> or 'xm pause/save/...'
> 
> 
> as you must have seen already, those snapshots mount as 'dirty'
> filesystems, since they're exact copies of an already mounted
> filesystem.  therefore, you have to run fsck on mount (usually
> automatic on journalling filesystems).  depending on the journalling
> algorithm, you risk having non-written data.
> 
> much safer, and easier IMHO, is to do a regular network backup.
> something as simple as pulling via rsync the files you need.  (i
> really like rsnapshot)
> 

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