On 2009-03-05T16:02:02, Sebastian Reitenbach <[email protected]> 
wrote:

> Hi,
> 
> I experienced some problems with Xen resources.
> 
> I have a 4 node cluster, running 14 Xen domU's.

Sounds good.

> To not have a race condition on startup, when e.g. one node comes back from 
> standby, or one node dies, I had to add order constraints for each domU, 
> 
> e.g. domU1 before domU2
>       domU1 before domU3
>       domU1 before domU4

Which race condition is this supposed to avoid ...? One internal to Xen,
or in your DomU work-load?

> However, in the larger cluster, there the cluster is busy with itself, 
> managing resources. E.g. the GUI seems to hang often, because of a too busy 
> crmd. The cluster is busy with propagating updates of the cib, commands will 
> time out....

That should NOT happen. Please file a bug.


Regards,
    Lars

-- 
Teamlead Kernel, SuSE Labs, Research and Development
SUSE LINUX Products GmbH, GF: Markus Rex, HRB 16746 (AG Nürnberg)
"Experience is the name everyone gives to their mistakes." -- Oscar Wilde

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