Hi,

On Sun, Apr 20, 2008 at 06:20:50PM +0100, Rodrigo Pereira wrote:
> Hello,
> 
> On he linux-HA site we can read the following warning about the Xen OCF:
> 
> "
> Memory management race conditions
> 
> In case there is more than one Xen node started on a node at the same time,
> it can happen that race conditions occur in the calculation of free memory,
> and the memory will in the end not be enough to start all domU's, which will
> result in a fatal resource startup failure. Therefore you should create
> orders between the Xen resources. The orders should be symmetrical=0 and
> have a score=0. 
> "
> 
> I ask: having the multiple xen nodes inside of a collocated and ordered
> group, wouldn't that achieve the same effect? 

Yes, because the ordering would ensure that all xen resources are
invoked serially. The comment above states the minimum
requirements.

Thanks,

Dejan

> Thx.
> 
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