Hi Fred,

Thanks for the reply and information. When you say all testing flows were done 
with this option do you mean with this option disabled it is possible I could 
have issues that would not have been identified during the testing of this 



From: Fred Rolland <froll...@redhat.com>
Sent: Tuesday, 3 April 2018 3:58 PM
To: Cryptic
Cc: users@ovirt.org
Subject: Re: [ovirt-users] Fw: Data Operations On Any Host


There is currently no option to restrict the data operations to specific hosts.

You can disable this feature in the DB, disable "DataOperationsByHSM" in the 
vdc_options table.

Note that since it is enabled by default since 4.1, all testing flows were done 
with this option.


On Sun, Apr 1, 2018 at 11:02 AM, Cryptic 
<cryptic5...@hotmail.com<mailto:cryptic5...@hotmail.com>> wrote:

Hi to all,

In relation to the changes made to distribute data operations between all the 
hosts in a data center rather than burden the SPM. I am very new to oVirt and 
am having troubles finding information on this and need assistance to prevent 
this happening on my development oVirt 4.2 system. The issue I have is that I 
have a cluster which hosts all the storage volumes using gluster and they have 
10G NICs. I also have a separate cluster which is virtualisation only and each 
host only has 3 x 1G aggregated NICs. When I perform disk moves between storage 
domains it often uses one of the virtualisation hosts which drastically 
increases the time taken to move the disk. Can I restrict these types of 
operations to a set of hosts or turn it off altogether so that it just uses the 
SPM like it used to in the past. Distributing it is a great feature but 
unfortunately is no good in my current setup.


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