[ClusterLabs] Antw: Manage rate of resource migration

Ulrich Windl Ulrich.Windl at rz.uni-regensburg.de
Mon Sep 14 09:18:42 EDT 2015

>>> Matthew Vernon <mcv21 at cam.ac.uk> schrieb am 14.09.2015 um 13:31 in Nachricht
<55F6B017.7070505 at cam.ac.uk>:
> Hi,
> I have a pacemaker/corosync cluster where the resources are all Xen
> guests. Pacemaker automatically distributes these between my two Xen
> hosts, and this is great.
> When I move a node into or out of the standby state, though, pacemaker
> tries to bulk-migrate resources at once, and this can cause problems
> (migration timeouts, a serious peak in I/O load). Is there any way to
> specify a maximum number of resources that should be "in flight" between
> 2 nodes at once, if you see what I mean?

Try property migration-limit="2"...


> Thanks,
> Matthew
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