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 :) (Now) 25K mailboxes (with ~92GB data) on DRBD-6 (now old - the thing was built in early 2006) with ext{3,4} on it. As long as heartbeat/
On Mon, 2009-11-23 at 15:25 -0600, Rodolfo Gonzalez Gonzalez wrote: [...] pacemaker/openais/whatever assures that it is mounted on at most one host, no problems whatsoever with the filesystem as such. We don't run dovecot though (see the year above) but it shouldn't make any difference. Nowadays, DRBD-7+GFS or OCFS2 (and dovecot of course;-) are very probably worth exploring for new clusters - see other mails.
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