[DRBD-user] Solution for more than two nodes

Lars Ellenberg lars.ellenberg at linbit.com
Wed Apr 21 20:06:31 CEST 2010

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

On Wed, Apr 21, 2010 at 05:20:25PM +0200, Florian Haas wrote:
> On 04/21/2010 05:04 PM, robert mena wrote:
> > I want to have more than one secondary node syncing with the primary one.
> More than one Secondary for a single Primary: not supported in DRBD at
> this time.
> Redundancy across 3 nodes, supported by DRBD and Pacemaker via device
> stacking:
> http://www.drbd.org/users-guide/s-pacemaker-stacked-resources.html
> Redundancy across 4 nodes in two 2-node Pacemaker clusters, also supported:
> http://www.drbd.org/users-guide/s-pacemaker-stacked-resources.html#s-pacemaker-stacked-4way
> Redundancy across 4 nodes in one 4-node Pacemaker cluster: fine with
> DRBD, but currently not supported in Pacemaker due to this bug:
> http://developerbugs.linux-foundation.org/show_bug.cgi?id=2169

Oh, actually it should even work,
you just don't use "floating ips".

Admittedly, I did not try it recently.

: Lars Ellenberg
: LINBIT | Your Way to High Availability
: DRBD/HA support and consulting http://www.linbit.com

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