Re: [Xen-users] Xen cLVM and iSCSI

[Javier Guerra <javier@xxxxxxxxxxx>]

On Sun, May 3, 2009 at 5:32 AM, Barry van Someren
<barry@xxxxxxxxxxxxxxxx> wrote:
> Basically what I intend to do:
> -Have all the *.cfg's on a Rysnched folder
> -Designate a master node from where all LVM actions are done
> -One each LVM change, call a script on each slave to refresh the LVM metadata.

to be a bit more on the safe side, check the dmsetup tool, especially
do a `dmsetup suspend/resume` around the 'change/reload' process.
even better, use some form of locks to make sure non-master nodes are
io-suspended before doing the change... soon you'll have a full cLVM
replacement.


-- 
Javier

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