[JIRA] (OVIRT-1763) Increase entropy for hosts

Wednesday, 15 November 2017

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    [
https://ovirt-jira.atlassian.net/browse/OVIRT-1763?page=com.atlassian.jir...
] 

Barak Korren commented on OVIRT-1763:
-------------------------------------

{quote}
How? We have virtio-rng. What else would you like to add? rngd?
{quote}

If Lago provides virtio-rng, then it should be sufficient (And haveged should not be
needed), but do we have everything configured correctly so that virtio-rng shows up as
{{/dev/random}} in the VMs?

Also maybe the physical hosts themselves are running out of entropy, [~ederevea] do we
have haveged installed on them? I seem to remember we had Puppet installing it
everywhere.

...
 Increase entropy for hosts
 --------------------------

                 Key: OVIRT-1763
                 URL: https://ovirt-jira.atlassian.net/browse/OVIRT-1763
             Project: oVirt - virtualization made easy
          Issue Type: Bug
            Reporter: Dafna Ron
            Assignee: infra

 we had a failure in ost that was really hard to debug:
http://jenkins.ovirt.org/job/ovirt-master_change-queue-tester/3795/
 There are no failures in the logs and the test itself was terminated by a timeout.
 It took the vms a long time to download packages and install and didi seems to think that
this is due to limited entropy on the physical host. 
 we need to review this issue and increase the entropy on the hosts.  

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<pre>[
https://ovirt-jira.atlassian.net/browse/OVIRT-1763?page=com.atlassian.jir...
]</pre>
<h3>Barak Korren commented on OVIRT-1763:</h3>
<p>{quote} How? We have virtio-rng. What else would you like to add? rngd?
{quote}</p>
<p>If Lago provides virtio-rng, then it should be sufficient (And haveged should not
be needed), but do we have everything configured correctly so that virtio-rng shows up as
{{/dev/random}} in the VMs?</p>
<p>Also maybe the physical hosts themselves are running out of entropy, [~ederevea]
do we have haveged installed on them? I seem to remember we had Puppet installing it
everywhere.</p>
<blockquote><h3>Increase entropy for hosts</h3>
<pre>     Key: OVIRT-1763
     URL: https://ovirt-jira.atlassian.net/browse/OVIRT-1763
 Project: oVirt - virtualization made easy
         Issue Type: Bug
Reporter: Dafna Ron
Assignee: infra</pre>
<p>we had a failure in ost that was really hard to debug: <a
href="http://jenkins.ovirt.org/job/ovirt-master_change-queue-tester/...
There are no failures in the logs and the test itself was terminated by a timeout. It took
the vms a long time to download packages and install and didi seems to think that this is
due to limited entropy on the physical host. we need to review this issue and increase the
entropy on the hosts.</p></blockquote>
<p>&mdash; This message was sent by Atlassian Jira
(v1001.0.0-SNAPSHOT#100071)</p>

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