I saw your suggestion in the ticket ...
Thanx, Paul
On 07.02.2016 20:51, Paul Angus wrote:
Well, to start off with I'll add the suggestion to the ticket.
https://issues.apache.org/jira/browse/CLOUDSTACK-3367
Paul Angus
VP Technology , ShapeBlue
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-----Original Message-----
From: Vladislav Nazarenko [mailto:vladislav.nazare...@gmail.com]
Sent: Friday, February 5, 2016 5:29 PM
To: users@cloudstack.apache.org
Subject: Re: Self-fencing when storage not available
right, Paul ... this might be a good suggestion ... How could we bring it to
the developers?
On 04.02.2016 20:59, Paul Angus wrote:
Just to give some background (as I asked the same questions years ago). *IF*
you only have one shared storage pool per cluster (and no local storage) and it
goes wonky, then most likely fix is to restart the host(s). The VMs have
already crashed because the primary storage is disconnected and the host is
unable to reconnect it.
That’s why it reboots.
As everyone who has a cloud larger than their laptop knows, it also nukes the
good VMs on other storage pools and local storage.
A global setting which allows operators to choose the behaviour they want might
be a solution?
Paul Angus
VP Technology , ShapeBlue
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-----Original Message-----
From: Vladislav Nazarenko [mailto:vladislav.nazare...@gmail.com]
Sent: Thursday, February 4, 2016 5:35 PM
To: users@cloudstack.apache.org
Subject: Re: Self-fencing when storage not available
So ... found some information about this ... looks like this is an annoying
problem (bug), which isn't going to be fixed ... But at least there is a
possibility to change the behavior modifying the script
- https://admintweets.wordpress.com/tag/cloudstack-2/
- https://www.rootusers.com/edit-the-xenserver-storage-heartbeat/
- https://issues.apache.org/jira/browse/CLOUDSTACK-3367
Thanks a lot, guys ..
On 03.02.2016 20:05, Glenn Wagner wrote:
Hi
As Lucian said , you can edit the script and remove the reboot , but
yes this is the normal behaviour of the script
Glenn
-----Original Message-----
From: Nux! [mailto:n...@li.nux.ro]
Sent: Wednesday, 03 February 2016 8:32 PM
To: users@cloudstack.apache.org
Subject: Re: Self-fencing when storage not available
You can modify the script to not reboot, but until we find a better way to deal
with it this is correct behaviour. It sucks it reboots VMs on healthy storage
though.
--
Sent from the Delta quadrant using Borg technology!
Nux!
www.nux.ro
----- Original Message -----
From: "Vladislav Nazarenko" <vladislav.nazare...@gmail.com>
To: users@cloudstack.apache.org
Sent: Wednesday, 3 February, 2016 16:24:34
Subject: Re: Self-fencing when storage not available Hi Glenn,
we use KVM ... I also found the script:
/usr/share/cloudstack-common/scripts/vm/hypervisor/kvm/kvmheartbeat.s
h
Just wondering if we can avoid rebooting ...
Thanks
Vlad
On 03.02.2016 16:57, Glenn Wagner wrote:
Hi Vlad,
Can I ask what hypervisor are you using?
The default action is to reboot the hosts
This is done in the heatbeat file on xenserver
/opt/xensource/bin/xenheartbeat.sh
Thanks
Glenn
ShapeBlue <http://www.shapeblue.com> Glenn Wagner
Senior Consultant , ShapeBlue
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-----Original Message-----
From: Vladislav Nazarenko [mailto:vladislav.nazare...@gmail.com]
Sent: Wednesday, 03 February 2016 5:08 PM
To: users@cloudstack.apache.org
Subject: Self-fencing when storage not available
Hi All,
I'm testing Cloudstack 4.6 now
When doing some tests with storage (nfs), I was wondering, that the
hosts self-fence itself by reboot, when a storage not writable ...
Even more, my cluster had a working storage and I added one more,
which was not writable due to missing user permissions... So
effectively all the VMs hard drive were located on the working
storage, but the problem with permissions on the new one causes the
entire cluster to reboot :(
Is this a bug or a correct behavior?
Is it able to avoid rebooting at least?
Thank you in advance
Vlad
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Find out more about ShapeBlue and our range of CloudStack related services:
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