<div dir="ltr"><div class="gmail_quote"><div dir="ltr">Hello,<div>I have an environment with 3 hosts and gluster HCI on 4.1.3.</div><div>I'm following this link to take it to 4.1.7</div><div><a href="https://www.ovirt.org/documentation/how-to/hosted-engine/#upgrade-hosted-engine" target="_blank">https://www.ovirt.org/<wbr>documentation/how-to/hosted-<wbr>engine/#upgrade-hosted-engine</a><br></div><div><br></div><div>The hosts and engine were at 7.3 prior of beginning the update.</div><div>All went ok for the engine that now is on 7.4 (not rebooted yet)</div><div>Points 4. 5. 6. for the first updated host were substituted by rebooting it </div><div><br></div><div>I'm at point:</div><div><br></div><div>7. Exit the global maintenance mode: in a few minutes the engine VM should migrate to the fresh upgraded host cause it will get an higher score</div><div><br></div><div>One note: actually exiting from global maintenance doesn't imply that the host previously put into maintenance exiting from it, correct?</div><div><br></div><div>[kasturi] - you are right. Global maintenance main use is to allow administrator start / stop / modify the engine vm with out any worry of interference from the HA agents .</div><div><br></div><div>So in my workflow, before point 7., actually I have selected the host and activated it.</div><div><br></div><div>Currently the situation is this</div><div>- engine running on ovirt02</div><div>- update happened on ovirt03</div><div><br></div><div>[kasturi] - looks fine.</div><div><br></div><div><div>Then after exiting from global maintenance I don't see the engine vm migrating to it.</div></div><div>[kasturi] - which is expected. </div><div><br></div><div>And in fact (see below) the score of ovirt02 is the same (3400) as the one of ovirt03, so it seems it is correct that engine remains there...?</div><div><br></div><div>[kasturi] - yes, it remains there. For a properly active host which has everything configured properly the score will be 3400. When global maintenance is enabled on the cluster, active score becomes 'Global Maintenance Enabled' (can be viewed from general tab of host ) and once exited score on all the hosts becomes 3400 and hosted engine will be running on the same host where it was running before enabling global maintenance.</div><div><br></div><div>Which kind of messages should I see inside logs of engine/hosts?<br></div><div><br></div><div><div>[root@ovirt01 ~]# rpm -q vdsm<br></div><div>vdsm-4.19.20-1.el7.centos.x86_<wbr>64</div><div><br></div><div>[root@ovirt02 ~]# rpm -q vdsm</div><div>vdsm-4.19.20-1.el7.centos.x86_<wbr>64</div><div>[root@ovirt02 ~]# </div></div><div><br></div><div><div>[root@ovirt03 ~]# rpm -q vdsm</div><div>vdsm-4.19.37-1.el7.centos.x86_<wbr>64</div></div><div><br></div><div>from host ovirt01:</div><div><br></div><div><div>[root@ovirt01 ~]# hosted-engine --vm-status</div><div><br></div><div><br></div><div>--== Host 1 status ==--</div><div><br></div><div>conf_on_shared_storage : True</div><div>Status up-to-date : True</div><div>Hostname : ovirt01.localdomain.local</div><div>Host ID : 1</div><div>Engine status : {"reason": "vm not running on this host", "health": "bad", "vm": "down", "detail": "unknown"}</div><div>Score : 3352</div><div>stopped : False</div><div>Local maintenance : False</div><div>crc32 : 256f2128</div><div>local_conf_timestamp : 12251210</div><div>Host timestamp : 12251178</div><div>Extra metadata (valid at timestamp):</div><div><span style="white-space:pre-wrap"> </span>metadata_parse_version=1</div><div><span style="white-space:pre-wrap"> </span>metadata_feature_version=1</div><div><span style="white-space:pre-wrap"> </span>timestamp=12251178 (Tue Nov 28 10:11:20 2017)</div><div><span style="white-space:pre-wrap"> </span>host-id=1</div><div><span style="white-space:pre-wrap"> </span>score=3352</div><div><span style="white-space:pre-wrap"> </span>vm_conf_refresh_time=12251210 (Tue Nov 28 10:11:52 2017)</div><div><span style="white-space:pre-wrap"> </span>conf_on_shared_storage=True</div><div><span style="white-space:pre-wrap"> </span>maintenance=False</div><div><span style="white-space:pre-wrap"> </span>state=EngineDown</div><div><span style="white-space:pre-wrap"> </span>stopped=False</div><div><br></div><div><br></div><div>--== Host 2 status ==--</div><div><br></div><div>conf_on_shared_storage : True</div><div>Status up-to-date : True</div><div>Hostname : 192.168.150.103</div><div>Host ID : 2</div><div>Engine status : {"health": "good", "vm": "up", "detail": "up"}</div><div>Score : 3400</div><div>stopped : False</div><div>Local maintenance : False</div><div>crc32 : 9b8c8a6c</div><div>local_conf_timestamp : 12219386</div><div>Host timestamp : 12219357</div><div>Extra metadata (valid at timestamp):</div><div><span style="white-space:pre-wrap"> </span>metadata_parse_version=1</div><div><span style="white-space:pre-wrap"> </span>metadata_feature_version=1</div><div><span style="white-space:pre-wrap"> </span>timestamp=12219357 (Tue Nov 28 10:11:23 2017)</div><div><span style="white-space:pre-wrap"> </span>host-id=2</div><div><span style="white-space:pre-wrap"> </span>score=3400</div><div><span style="white-space:pre-wrap"> </span>vm_conf_refresh_time=12219386 (Tue Nov 28 10:11:52 2017)</div><div><span style="white-space:pre-wrap"> </span>conf_on_shared_storage=True</div><div><span style="white-space:pre-wrap"> </span>maintenance=False</div><div><span style="white-space:pre-wrap"> </span>state=EngineUp</div><div><span style="white-space:pre-wrap"> </span>stopped=False</div><div><br></div><div><br></div><div>--== Host 3 status ==--</div><div><br></div><div>conf_on_shared_storage : True</div><div>Status up-to-date : True</div><div>Hostname : ovirt03.localdomain.local</div><div>Host ID : 3</div><div>Engine status : {"reason": "vm not running on this host", "health": "bad", "vm": "down", "detail": "unknown"}</div><div>Score : 3400</div><div>stopped : False</div><div>Local maintenance : False</div><div>crc32 : 9f6399ef</div><div>local_conf_timestamp : 2136</div><div>Host timestamp : 2136</div><div>Extra metadata (valid at timestamp):</div><div><span style="white-space:pre-wrap"> </span>metadata_parse_version=1</div><div><span style="white-space:pre-wrap"> </span>metadata_feature_version=1</div><div><span style="white-space:pre-wrap"> </span>timestamp=2136 (Tue Nov 28 10:11:56 2017)</div><div><span style="white-space:pre-wrap"> </span>host-id=3</div><div><span style="white-space:pre-wrap"> </span>score=3400</div><div><span style="white-space:pre-wrap"> </span>vm_conf_refresh_time=2136 (Tue Nov 28 10:11:56 2017)</div><div><span style="white-space:pre-wrap"> </span>conf_on_shared_storage=True</div><div><span style="white-space:pre-wrap"> </span>maintenance=False</div><div><span style="white-space:pre-wrap"> </span>state=EngineDown</div><div><span style="white-space:pre-wrap"> </span>stopped=False</div><div>[root@ovirt01 ~]# </div></div><div><br></div><div>Can I manually migrate engine vm to ovirt03?</div><div><br></div><div>[kasturi]</div><div><br></div><div>yes, definitely. You should be able to migrate. </div><div>hosted-engine --vm-status looks fine</div><div><br></div><div><br></div><div>On ovirt03:</div><div><br></div><div><div>[root@ovirt03 ~]# gluster volume info engine</div><div> </div><div>Volume Name: engine</div><div>Type: Replicate</div><div>Volume ID: 6e2bd1d7-9c8e-4c54-9d85-<wbr>f36e1b871771</div><div>Status: Started</div><div>Snapshot Count: 0</div><div>Number of Bricks: 1 x (2 + 1) = 3</div><div>Transport-type: tcp</div><div>Bricks:</div><div>Brick1: ovirt01.localdomain.local:/<wbr>gluster/brick1/engine</div><div>Brick2: ovirt02.localdomain.local:/<wbr>gluster/brick1/engine</div><div>Brick3: ovirt03.localdomain.local:/<wbr>gluster/brick1/engine (arbiter)</div><div>Options Reconfigured:</div><div>performance.strict-o-direct: on</div><div>nfs.disable: on</div><div>user.cifs: off</div><div>network.ping-timeout: 30</div><div>cluster.shd-max-threads: 6</div><div>cluster.shd-wait-qlength: 10000</div><div>cluster.locking-scheme: granular</div><div>cluster.data-self-heal-<wbr>algorithm: full</div><div>performance.low-prio-threads: 32</div><div>features.shard-block-size: 512MB</div><div>features.shard: on</div><div>storage.owner-gid: 36</div><div>storage.owner-uid: 36</div><div>cluster.server-quorum-type: server</div><div>cluster.quorum-type: auto</div><div>network.remote-dio: off</div><div>cluster.eager-lock: enable</div><div>performance.stat-prefetch: off</div><div>performance.io-cache: off</div><div>performance.read-ahead: off</div><div>performance.quick-read: off</div><div>performance.readdir-ahead: on</div><div>transport.address-family: inet</div><div>[root@ovirt03 ~]# </div></div><div><br></div><div><div>[root@ovirt03 ~]# gluster volume heal engine info</div><div>Brick ovirt01.localdomain.local:/<wbr>gluster/brick1/engine</div><div>Status: Connected</div><div>Number of entries: 0</div><div><br></div><div>Brick ovirt02.localdomain.local:/<wbr>gluster/brick1/engine</div><div>Status: Connected</div><div>Number of entries: 0</div><div><br></div><div>Brick ovirt03.localdomain.local:/<wbr>gluster/brick1/engine</div><div>Status: Connected</div><div>Number of entries: 0</div><div><br></div><div>[root@ovirt03 ~]# </div></div><div><br></div><div>[kasturi] - By the way, any reason why the engine volume is configured to be an arbiter volume? We always recommend engine volume to be a replicated volume to maintain High Availability of the Hosted Engine vm.</div><div><br></div><div>Thanks,</div><div><br></div><div>Gianluca</div><div><br></div></div>
<br>______________________________<wbr>_________________<br>
Users mailing list<br>
<a href="mailto:Users@ovirt.org">Users@ovirt.org</a><br>
<a href="http://lists.ovirt.org/mailman/listinfo/users" rel="noreferrer" target="_blank">http://lists.ovirt.org/<wbr>mailman/listinfo/users</a><br>
<br></div><br></div>