[Dovecot] [OT] DRBD
alex.handle at gmail.com
Wed Nov 25 14:54:28 EET 2009
On Mon, Nov 23, 2009 at 10:25 PM, Rodolfo Gonzalez Gonzalez
<rgonzalez at gnt.cc> wrote:
> Hello all,
> has someone worked with DRBD (http://www.drbd.org) for HA of mail storage?
> if so, does it have stability issues? comments and experiences are thanked
We have deployed active/passive DRBD Mailserver for a customer with ~
runs nice without any problems.
Heartbeat 1 !
If you try to use LVM/ext3 with DRBD and you want to use consistend
snapshots, use this setup
disks/hwraid/softwareraid -> drbd -> LVM -> fs
this way lvm can trigger the fs with a freezecall before the
We currently migrate our 10000 Mailcluster from a netapp storage to
multiple storage server with drbd.
Our other project the webcluster runs with about 1000 sites
(Typo3/Joomla) on a CentOS nfs-server backed with the drbd.
The failover time is about 4 seconds and no pending write ist lost.
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