Tino--are you saying that there is state information in the oned
that is not on disk at any given time?
We were thinking of setting up an active-passive failover
of our oned via heartbeat and DRBD. Is there any reason
why that might not work?
Steve Timm
On Wed, 16 Feb 2011, Tino Vazquez wrote:
Hi Luis,
That setup is not easily achievable. Operations are not transactional,
and also ONE keeps a cache, so the information of multiple ONEs won't
be in sync.
It can be achieved, but not out of the box, a fair amount of fiddling
is involved.
Regards,
-Tino
--
Constantino Vázquez Blanco, MSc
OpenNebula Major Contributor / Cloud Researcher
www.OpenNebula.org | @tinova79
On Mon, Jan 31, 2011 at 6:15 PM, Luis M. Carril <[email protected]> wrote:
Hello,
We have an OpenNebula installation and we wanted to deploy another ONE
server for redundacy monitoring the same hosts and MVs. Could this be
achieved if both ONE installations use the same mysql database? Are all the
operations transactional?
Cheers
--
Luis M. Carril
Project Technician
Galicia Supercomputing Center (CESGA)
Avda. de Vigo s/n
15706 Santiago de Compostela
SPAIN
Tel: 34-981569810 ext 249
[email protected]
www.cesga.es
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--
------------------------------------------------------------------
Steven C. Timm, Ph.D (630) 840-8525
[email protected] http://home.fnal.gov/~timm/
Fermilab Computing Division, Scientific Computing Facilities,
Grid Facilities Department, FermiGrid Services Group, Group Leader.
Lead of FermiCloud project.
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