Hello,

No, I didn't. Didn't know about such upgrade procedure. I will follow this article next time.

Thanks a lot!

On 2015.06.12. 10:21, Praveen B wrote:
Hi Martins,

Have you unmanaged your xen cluster from cloudstack UI before xen upgrade?
This is a mandatory step that disconnects all xen servers in the cluster
from while upgrade is going on.

You can go through
http://www.shapeblue.com/how-to-upgrade-an-apache-cloudstack-citrix-xenserver-cluster/
KB article that explains xen cluster upgrade in cloudstack.

Thanks,
Praveen Kumar,
Founder, PSI Cloud Solutions

On Fri, Jun 12, 2015 at 12:41 PM, Mārtiņš Jakubovičs <[email protected]>
wrote:

Hello all,

Yesterday I upgraded one of my CloudStack Cluster's which run on
XenServer. As XenServer dokumentation suggest, after applying patches, need
to restart a host, and first must be pool master server. I set master
server to maintenance mode in CS, when all instances migrated I restarted a
host. After some time I start to receive e-mails from CS, that other hosts
in cluster are down too, not only a master server. My compute offerings are
HA enabled so I receive e-mails with failed restart attempt on HA
instances. At least, when master come online CS didn't restart any
instances and I get away with just a little scare.

What is correct way to do upgrade no XenServer hosts in CloudStack
environment? Patches, like XS 6.2 SP1 <
http://support.citrix.com/article/CTX139788> require to restart pool
master first.

I use ACS 4.3.2 with XenServer 6.2.

Best regards,
Martins


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