From jira at ovirt-jira.atlassian.net Wed Nov 15 13:27:57 2017 Content-Type: multipart/mixed; boundary="===============8005326899886066796==" MIME-Version: 1.0 From: Evgheni Dereveanchin (oVirt JIRA) To: infra at ovirt.org Subject: [JIRA] (OVIRT-1763) Increase entropy for hosts Date: Wed, 15 Nov 2017 13:27:54 +0000 Message-ID: In-Reply-To: JIRA.33295.1510744867000@Atlassian.JIRA --===============8005326899886066796== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable This is a multi-part message in MIME format... ------------=3D_1510752474-30503-445 Content-Type: text/plain; charset=3DUTF-8 Content-Transfer-Encoding: 7bit [ https://ovirt-jira.atlassian.net/browse/OVIRT-1763?page=3Dcom.atlassi= an.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=3D35= 342#comment-35342 ] = 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 ful= l "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 ha= ngups. 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 VM= s where OST is running. Those should have 'haveged' installed and running i= nside to provide entropy. If they don't - it needs to be installed and runn= ing. [~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/arti= fact/exported-artifacts/upgrade-from-release-suit-master-el7/test_logs/upgr= ade-from-release-suite-master/post-002_bootstrap.py/lago-upgrade-from-relea= se-suite-master-engine/_var_log/ovirt-engine/engine.log [2] http://jenkins.ovirt.org/job/ovirt-master_change-queue-tester/3795/arti= fact/exported-artifacts/upgrade-from-release-suit-master-el7/test_logs/upgr= ade-from-release-suite-master/post-002_bootstrap.py/lago-upgrade-from-relea= se-suite-master-host0/_var_log/messages > 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.ovi= rt.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 see= ms 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. = -- This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#100071) ------------=3D_1510752474-30503-445 Content-Type: text/html; charset=3D"UTF-8" Content-Disposition: inline Content-Transfer-Encoding: 7bit 
[ https://ovirt-jira.atlassian.net/browse/OVIRT-1763?page=3Dcom.atlass=
ian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=
=3D35342#comment-35342 ]

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 contain= s 570 packages including the kernel, systemd, glibc, rpm and looks like a f= ull “yum update” is being run on the hypervisor. Is this expect= ed? 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 m= inutes, 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’ installe= d 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/artifact/exp= orted-artifacts/upgrade-from-release-suit-master-el7/test_logs/upgrade-from= -release-suite-master/post-002_bootstrap.py/lago-upgrade-from-release-suite= -master-engine/_var_log/ovirt-engine/engine.log [2] http://jenkins.ovirt.org/job/ovirt-master_chan= ge-queue-tester/3795/artifact/exported-artifacts/upgrade-from-release-suit-= master-el7/test_logs/upgrade-from-release-suite-master/post-002_bootstrap.p= y/lago-upgrade-from-release-suite-master-host0/_var_log/messages

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://jenki= ns.ovirt.org/job/ovirt-master_change-queue-tester/3795/ There are no fa= ilures 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 thi= nk that this is due to limited entropy on the physical host. we need to rev= iew this issue and increase the entropy on the hosts.

— This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#1000= 71)

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