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From Marcus <>
Subject Re: ALARM - ACS reboots host servers!!!
Date Mon, 03 Mar 2014 00:26:06 GMT
Or do you mean you have multiple primary storages and this one was not
in use and put into maintenance?

On Sun, Mar 2, 2014 at 5:25 PM, Marcus <> wrote:
> I'm not sure I understand. How do you expect to reboot your primary
> storage while vms are running?  It sounds like the host is being
> fenced since it cannot contact the resources it depends on.
> On Sun, Mar 2, 2014 at 3:24 PM, Nux! <> wrote:
>> On 02.03.2014 21:17, Andrei Mikhailovsky wrote:
>>> Hello guys,
>>> I've recently came across the bug CLOUDSTACK-5429 which has rebooted
>>> all of my host servers without properly shutting down the guest vms.
>>> I've simply upgraded and rebooted one of the nfs primary storage
>>> servers and a few minutes later, to my horror, i've found out that all
>>> of my host servers have been rebooted. Is it just me thinking so, or
>>> is this bug should be fixed ASAP and should be a blocker for any new
>>> ACS release. I mean not only does it cause downtime, but also possible
>>> data loss and server corruption.
>> Hi Andrei,
>> Do you have HA enabled and did you put that primary storage in maintenance
>> mode before rebooting it?
>> It's my understanding that ACS relies on the shared storage to perform HA so
>> if the storage goes it's expected to go berserk. I've noticed similar
>> behaviour in Xenserver pools without ACS.
>> I'd imagine a "cure" for this would be to use network distributed
>> "filesystems" like GlusterFS or CEPH.
>> Lucian
>> --
>> Sent from the Delta quadrant using Borg technology!
>> Nux!

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