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Re: [Xen-users] XCP node fail / network fail of node auto restart vm
The vm watchdog is only half the solution for a failed cloud host. It's
not as simple as just restarting the vm's, you have to make the
judgment that the host is gone and it's not coming back, then reset the
power state of all vm's that were running on that host to halted before
you can restart the vm's.
Vern
On 4/7/2010 11:35 AM, Peter den Hartog wrote:
Ok thans for that info,
So if i would like to create something small myself i should have some
kind of keep alive checker, + a handler that can boots vm's? Maby with
Nagios..
I checked out your tool (the watchdog) but this won't work if a network
cable get's disconnected from a node right?
Peter
-----Original Message-----
From: Vern Burke <vburke@xxxxxxxx>
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] XCP node fail / network fail of node
auto restart vm
Date: Wed, 07 Apr 2010 10:48:36 -0400
Peter:
ÂÂ There's no HA functionality in XCP (it's only usable in the paid for
commercial versions as far as I know). Keep an eye out for my vm and
host watchdogs coming out to do this :).
Vern
On 4/7/2010 9:44 AM, Peter den Hartog wrote:
Hey and thanks for reading,
So i was looking at the following setting: xe vm-param-set
uuid=308662ad-7544-e5bc-fea0-a2d2b7e9dea8 ha-always-run=true
and i figured that, when the node/host crashed (with like, network
failure or something else making the vm unreachable) it would be
restarted on another node..
Is this correct, or is this just a setting that after a reboot of the
node, the vm gets booted again?
Thanks,
Peter
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