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https://ovirt-jira.atlassian.net/browse/OVIRT-1763?page=com.atlassian.jir...
]
Evgheni Dereveanchin commented on OVIRT-1763:
---------------------------------------------
From the provided job log I see an upgrade suite failure during
add-host.
In engine.log [1] there's a long update sequence at the end, that
contains 570 packages including the kernel, systemd, glibc, rpm and looks like a full
"yum update" is being run on the hypervisor. Is this expected? Shouldn't we
just install VDSM and friends?
On the host itself [2] I see the upgrade progressing normally, no severe hangups. So I
cannot see any direct proof of lack of enropy causing this. On successful runs the
"yum update" with 570 packages takes 5 minutes, not 15 so will continue
investigating.
In general, the timeout is not happening on lago hosts themselves but in VMs where OST is
running. Those should have 'haveged' installed and running inside to provide
entropy. If they don't - it needs to be installed and running. [~gbenhaim(a)redhat.com]
- could you please confirm if we have haveged in lago VMs?
[1]
http://jenkins.ovirt.org/job/ovirt-master_change-queue-tester/3795/artifa...
[2]
http://jenkins.ovirt.org/job/ovirt-master_change-queue-tester/3795/artifa...
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>Evgheni Dereveanchin commented on OVIRT-1763:</h3>
<p>From the provided job log I see an upgrade suite failure during add-host. In
engine.log [1] there's a long update sequence at the end, that contains 570 packages
including the kernel, systemd, glibc, rpm and looks like a full “yum
update” is being run on the hypervisor. Is this expected? Shouldn't we just
install VDSM and friends?</p>
<p>On the host itself [2] I see the upgrade progressing normally, no severe hangups.
So I cannot see any direct proof of lack of enropy causing this. On successful runs the
“yum update” with 570 packages takes 5 minutes, not 15 so will
continue investigating.</p>
<p>In general, the timeout is not happening on lago hosts themselves but in VMs
where OST is running. Those should have ‘haveged’ installed and
running inside to provide entropy. If they don't – it needs to be installed
and running. [~gbenhaim(a)redhat.com] – could you please confirm if we have
haveged in lago VMs?</p>
<p>[1] <a
href="http://jenkins.ovirt.org/job/ovirt-master_change-queue-tester/...
[2] <a
href="http://jenkins.ovirt.org/job/ovirt-master_change-queue-tester/...
<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>
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Evgheni Dereveanchin (oVirt JIRA)