You can set value for vm.allocation.algorithm ('random', 'firstfit',
'userdispersing', 'userconcentratedpod_random', 'userconcentratedpod_firstfit'
: Order in which hosts within a cluster will be considered for VM/volume
allocation) global parameter to firstfit . By default the value is random .
Hope this will help.
Thanks
Shweta
-----Original Message-----
From: John Muckley [mailto:j.muck...@databax.com]
Sent: Tuesday, June 17, 2014 12:41 PM
To: users@cloudstack.apache.org
Subject: Possible to try and use one host first?
Hey guys,
In my 4.3 environment I’ve got 2 xen hosts online at the moment.
I kind of assumed that CloudStack would fill one up then move onto the other,
which it doesn’t.
I can see why it wouldn’t when I think about it, as it minimises contention and
makes it so that there is less data to ship between hosts in the event of one
failing etc.
However, I wondered if there is a way in which I can force the cloud to use one
host first until there is no capacity left on that host?
I ask because we run some specialist Citrix backup software on our hosts to
take a daily backup of our VMs and until they issue me another licence, I can
only back up one host.
The virtual appliance is for this backup software (PHD Virtual ‘PHDVBA’) runs
as an alien VM, as importing it into the cloudstack via VHD upload seems to
cause issues in the way it performs (ie it boots into it’s Ubuntu based OS, but
refuses to work).
Alternatively, In an ideal world, I would import the virtual appliance through
the CloudStack, have it back up one host then migrate to the other host and
back that up too. Would be a nifty little way of dodging the extra licence fees
too.
Has anyone had similar problems importing virtual appliances and overcome them?
Thanks guys!
John
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