[DRBD-user] active/active mail server

Alexander Lind malte at webstay.org
Fri Dec 1 00:44:45 CET 2006

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.

what kind of mail servers are you running, imap?  mailspools or
maildirs?   or just pop?

drbd 0.8 (which is not final yet) supports active/active i believe, but
not the current 0.7 version.


Duane Cox wrote:
> I'm wanting to setup two mail servers in an active / active role, basically meaning both are working, operating, sharing the load.
> I have a layer-4 switch that I can use for the IP side of things, but I am looking for a solution for the data (mailboxes).
> I have 2 Dell Servers that each have 5 hard drives and 2 gigabit network cards.
> Here is what I would like to do, please tell me if it is possible, not possible, or just plain stupid.
> I would like to have a solution, so that if one server died, no user would notice, I would like to do this without a SAN or External
> SCSI device.
> My Idea is to link the 2 servers via IP using a crossover cable and one NIC from each machine.  Use the remaining NIC for Internet
> inbout/outbound traffic.
> Since each server has 5 drives, I would like to setup some sort of array that DRBD would manage and keep in sync.
> >From what I have read on the website, DRBD doesn't support write from both nodes.  Has this been changed?  I think I would need
> write access from both nodes?  If so, who is the author of DRBD?
> Thanks
> Duane Cox
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> drbd-user at lists.linbit.com
> http://lists.linbit.com/mailman/listinfo/drbd-user

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