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This seems like issue reported in
<a class="moz-txt-link-freetext" href="https://bugzilla.redhat.com/show_bug.cgi?id=1327121">https://bugzilla.redhat.com/show_bug.cgi?id=1327121</a><br>
<br>
Nir, Simone?<br>
<br>
<div class="moz-cite-prefix">On 04/28/2016 05:35 AM, Luiz Claudio
Prazeres Goncalves wrote:<br>
</div>
<blockquote
cite="mid:CABUQ0hCLphpHRk+RaMuk21rmSj1-hAMaA_1Upx3smQTK4qR7nw@mail.gmail.com"
type="cite">
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<div class="gmail_default"
style="font-family:verdana,sans-serif;font-size:small"><br>
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<div style="font-family:verdana,sans-serif;font-size:small">Hi
everyone,</div>
<div style="font-family:verdana,sans-serif;font-size:small"><br>
</div>
<div style="font-family:verdana,sans-serif;font-size:small">Until
today my environment was fully updated (3.6.5+centos7.2)
with 3 nodes (kvm1,kvm2 and kvm3 hosts) . I also have 3
external gluster nodes (gluster-root1,gluster1 and
gluster2 hosts ) , replica 3, which the engine storage
domain is sitting on top (3.7.11 fully updated+centos7.2)</div>
<div style="font-family:verdana,sans-serif;font-size:small"><br>
</div>
<div style="font-family:verdana,sans-serif;font-size:small"><font
color="#ff0000">For some weird reason i've been
receiving emails from oVirt with EngineUnexpectedDown
(attached picture) on a daily basis more or less, but
the engine seems to be working fine and my vm's are up
and running normally. I've never had any issue to access
the User Interface to manage the vm's </font></div>
<div style="font-family:verdana,sans-serif;font-size:small"><br>
</div>
<div style="font-family:verdana,sans-serif;font-size:small">Today
I run "yum update" on the nodes and realised that vdsm was
outdated, so I updated the kvm hosts and they are now ,
again, fully updated. </div>
<div style="font-family:verdana,sans-serif;font-size:small"><br>
</div>
<div style="font-family:verdana,sans-serif;font-size:small"><br>
</div>
<div style="font-family:verdana,sans-serif"><font size="4">Reviewing
the logs It seems to be an intermittent connectivity
issue when trying to access the gluster engine storage
domain as you can see below. I don't have any network
issue in place and I'm 100% sure about it. I have
another oVirt Cluster using the same network and using a
engine storage domain on top of an iSCSI Storage Array
with no issues.</font></div>
<div style="font-family:verdana,sans-serif;font-size:small"><br>
</div>
<div style="font-family:verdana,sans-serif"><b><font
size="4">Here seems to be the issue:</font></b></div>
<div style="font-family:verdana,sans-serif;font-size:small"><br>
</div>
<p><span>Thread-1111::<a class="moz-txt-link-freetext" href="INFO::2016-04-27">INFO::2016-04-27</a>
23:01:27,864::fileSD::357::Storage.StorageDomain::(validate)
sdUUID=03926733-1872-4f85-bb21-18dc320560db</span></p>
<p><span>Thread-1111::DEBUG::2016-04-27
23:01:27,865::persistentDict::234::Storage.PersistentDict::(refresh)
read lines (FileMetadataRW)=[]</span></p>
<p><span>Thread-1111::DEBUG::2016-04-27
23:01:27,865::persistentDict::252::Storage.PersistentDict::(refresh)
Empty metadata</span></p>
<p><span>Thread-1111::</span><span>ERROR</span><span>::2016-04-27
23:01:27,865::task::866::Storage.TaskManager.Task::(_setError)
Task=`d2acf575-1a60-4fa0-a5bb-cd4363636b94`::Unexpected
error</span></p>
<p><span>Traceback (most recent call last):</span></p>
<p><span> File "/usr/share/vdsm/storage/task.py", line 873,
in _run</span></p>
<p><span> return fn(*args, **kargs)</span></p>
<p><span> File "/usr/share/vdsm/logUtils.py", line 49, in
wrapper</span></p>
<p><span> res = f(*args, **kwargs)</span></p>
<p><span> File "/usr/share/vdsm/storage/hsm.py", line 2835,
in getStorageDomainInfo</span></p>
<p><span> dom = self.validateSdUUID(sdUUID)</span></p>
<p><span> File "/usr/share/vdsm/storage/hsm.py", line 278,
in validateSdUUID</span></p>
<p><span> sdDom.validate()</span></p>
<p><span> File "/usr/share/vdsm/storage/fileSD.py", line
360, in validate</span></p>
<p><span> raise se.StorageDomainAccessError(self.sdUUID)</span></p>
<p><span>StorageDomainAccessError: Domain is either
partially accessible or entirely inaccessible:
(u'03926733-1872-4f85-bb21-18dc320560db',)</span></p>
<p><span>Thread-1111::DEBUG::2016-04-27
23:01:27,865::task::885::Storage.TaskManager.Task::(_run)
Task=`d2acf575-1a60-4fa0-a5bb-cd4363636b94`::Task._run:
d2acf575-1a60-4fa0-a5bb-cd4363636b94
('03926733-1872-4f85-bb21-18dc320560db',) {} failed -
stopping task</span></p>
<p><span>Thread-1111::DEBUG::2016-04-27
23:01:27,865::task::1246::Storage.TaskManager.Task::(stop)
Task=`d2acf575-1a60-4fa0-a5bb-cd4363636b94`::stopping in
state preparing (force False)</span></p>
<p><span>Thread-1111::DEBUG::2016-04-27
23:01:27,865::task::993::Storage.TaskManager.Task::(_decref)
Task=`d2acf575-1a60-4fa0-a5bb-cd4363636b94`::ref 1
aborting True</span></p>
<p><span>Thread-1111::<a class="moz-txt-link-freetext" href="INFO::2016-04-27">INFO::2016-04-27</a>
23:01:27,865::task::1171::Storage.TaskManager.Task::(prepare)
Task=`d2acf575-1a60-4fa0-a5bb-cd4363636b94`::aborting:
Task is aborted: 'Domain is either partially accessible
or entirely inaccessible' - code 379</span></p>
<div style="font-family:verdana,sans-serif;font-size:small"><span
style="font-family:arial,sans-serif">Thread-1111::DEBUG::2016-04-27
23:01:27,866::task::1176::Storage.TaskManager.Task::(prepare)
Task=`d2acf575-1a60-4fa0-a5bb-cd4363636b94`::Prepare:
aborted: Domain is either partially accessible or
entirely inaccessible</span> </div>
<div style="font-family:verdana,sans-serif;font-size:small"><br>
</div>
<div style="font-family:verdana,sans-serif;font-size:small"><br>
</div>
<div style="font-family:verdana,sans-serif"><font size="4"><b>Question:
<font color="#ff0000">Anyone know what might be
happening?</font> I have several gluster config's,
as you can see below. All the storage domain are using
the same config's</b></font></div>
<div style="font-family:verdana,sans-serif;font-size:small"><br>
</div>
<div style="font-family:verdana,sans-serif;font-size:small"><br>
</div>
<div style="font-family:verdana,sans-serif"><b><font
size="4">More information:</font></b></div>
<div style="font-family:verdana,sans-serif;font-size:small"><br>
</div>
<div style="font-family:verdana,sans-serif;font-size:small">I
have the "engine" storage domain, "vmos1" storage domain
and "master" storage domain, so everything looks good.</div>
<div style="font-family:verdana,sans-serif">
<p style="font-size:small"><span>[root@kvm1 vdsm]#
vdsClient -s 0 getStorageDomainsList</span></p>
<p style="font-size:small"><span>03926733-1872-4f85-bb21-18dc320560db</span></p>
<p style="font-size:small"><span>35021ff4-fb95-43d7-92a3-f538273a3c2e</span></p>
<p style="font-size:small"><span>e306e54e-ca98-468d-bb04-3e8900f8840c</span></p>
<p style="font-size:small"><span><br>
</span></p>
<p><span><b><font size="4">Gluster config:</font></b></span></p>
<p style="font-size:small"><span>[root@gluster-root1 ~]#
gluster volume info</span></p>
<p style="font-size:small"><span> </span></p>
<p style="font-size:small"><span>Volume Name: engine</span></p>
<p style="font-size:small"><span>Type: Replicate</span></p>
<p style="font-size:small"><span>Volume ID:
64b413d2-c42e-40fd-b356-3e6975e941b0</span></p>
<p style="font-size:small"><span>Status: Started</span></p>
<p style="font-size:small"><span>Number of Bricks: 1 x 3 =
3</span></p>
<p style="font-size:small"><span>Transport-type: tcp</span></p>
<p style="font-size:small"><span>Bricks:</span></p>
<p style="font-size:small"><span>Brick1:
gluster1.xyz.com:/gluster/engine/brick1</span></p>
<p style="font-size:small"><span>Brick2:
gluster2.xyz.com:/gluster/engine/brick1</span></p>
<p style="font-size:small"><span>Brick3:
gluster-root1.xyz.com:/gluster/engine/brick1</span></p>
<p style="font-size:small"><span>Options Reconfigured:</span></p>
<p style="font-size:small"><span>performance.cache-size:
1GB</span></p>
<p style="font-size:small"><span>performance.write-behind-window-size:
4MB</span></p>
<p style="font-size:small"><span>performance.write-behind:
off</span></p>
<p style="font-size:small"><span>performance.quick-read:
off</span></p>
<p style="font-size:small"><span>performance.read-ahead:
off</span></p>
<p style="font-size:small"><span>performance.io-cache: off</span></p>
<p style="font-size:small"><span>performance.stat-prefetch:
off</span></p>
<p style="font-size:small"><span>cluster.eager-lock:
enable</span></p>
<p style="font-size:small"><span>cluster.quorum-type: auto</span></p>
<p style="font-size:small"><span>network.remote-dio:
enable</span></p>
<p style="font-size:small"><span>cluster.server-quorum-type:
server</span></p>
<p style="font-size:small"><span>cluster.data-self-heal-algorithm:
full</span></p>
<p style="font-size:small"><span>performance.low-prio-threads:
32</span></p>
<p style="font-size:small"><span>features.shard-block-size:
512MB</span></p>
<p style="font-size:small"><span>features.shard: on</span></p>
<p style="font-size:small"><span>storage.owner-gid: 36</span></p>
<p style="font-size:small"><span>storage.owner-uid: 36</span></p>
<p style="font-size:small"><span>
</span></p>
<p style="font-size:small"><span>performance.readdir-ahead:
on</span></p>
<p style="font-size:small"><span><br>
</span></p>
<p style="font-size:small"><span>Volume Name: master</span></p>
<p style="font-size:small"><span>Type: Replicate</span></p>
<p style="font-size:small"><span>Volume ID:
20164808-7bbe-4eeb-8770-d222c0e0b830</span></p>
<p style="font-size:small"><span>Status: Started</span></p>
<p style="font-size:small"><span>Number of Bricks: 1 x 3 =
3</span></p>
<p style="font-size:small"><span>Transport-type: tcp</span></p>
<p style="font-size:small"><span>Bricks:</span></p>
<p style="font-size:small"><span>Brick1:
gluster1.xyz.com:/home/storage/master/brick1</span></p>
<p style="font-size:small"><span>Brick2:
gluster2.xyz.com:/home/storage/master/brick1</span></p>
<p style="font-size:small"><span>Brick3:
gluster-root1.xyz.com:/home/storage/master/brick1</span></p>
<p style="font-size:small"><span>Options Reconfigured:</span></p>
<p style="font-size:small"><span>performance.readdir-ahead:
on</span></p>
<p style="font-size:small"><span>performance.quick-read:
off</span></p>
<p style="font-size:small"><span>performance.read-ahead:
off</span></p>
<p style="font-size:small"><span>performance.io-cache: off</span></p>
<p style="font-size:small"><span>performance.stat-prefetch:
off</span></p>
<p style="font-size:small"><span>cluster.eager-lock:
enable</span></p>
<p style="font-size:small"><span>network.remote-dio:
enable</span></p>
<p style="font-size:small"><span>cluster.quorum-type: auto</span></p>
<p style="font-size:small"><span>cluster.server-quorum-type:
server</span></p>
<p style="font-size:small"><span>storage.owner-uid: 36</span></p>
<p style="font-size:small"><span>storage.owner-gid: 36</span></p>
<p style="font-size:small"><span>features.shard: on</span></p>
<p style="font-size:small"><span>features.shard-block-size:
512MB</span></p>
<p style="font-size:small"><span>performance.low-prio-threads:
32</span></p>
<p style="font-size:small"><span>cluster.data-self-heal-algorithm:
full</span></p>
<p style="font-size:small"><span>performance.write-behind:
off</span></p>
<p style="font-size:small"><span>performance.write-behind-window-size:
4MB</span></p>
<p style="font-size:small"><span>
</span></p>
<p style="font-size:small"><span>performance.cache-size:
1GB</span></p>
<p style="font-size:small"><span><br>
</span></p>
<p style="font-size:small"><span>Volume Name: vmos1</span></p>
<p style="font-size:small"><span>Type: Replicate</span></p>
<p style="font-size:small"><span>Volume ID:
ea8fb50e-7bc8-4de3-b775-f3976b6b4f13</span></p>
<p style="font-size:small"><span>Status: Started</span></p>
<p style="font-size:small"><span>Number of Bricks: 1 x 3 =
3</span></p>
<p style="font-size:small"><span>Transport-type: tcp</span></p>
<p style="font-size:small"><span>Bricks:</span></p>
<p style="font-size:small"><span>Brick1:
gluster1.xyz.com:/gluster/vmos1/brick1</span></p>
<p style="font-size:small"><span>Brick2:
gluster2.xyz.com:/gluster/vmos1/brick1</span></p>
<p style="font-size:small"><span>Brick3:
gluster-root1.xyz.com:/gluster/vmos1/brick1</span></p>
<p style="font-size:small"><span>Options Reconfigured:</span></p>
<p style="font-size:small"><span>network.ping-timeout: 60</span></p>
<p style="font-size:small"><span>performance.readdir-ahead:
on</span></p>
<p style="font-size:small"><span>performance.quick-read:
off</span></p>
<p style="font-size:small"><span>performance.read-ahead:
off</span></p>
<p style="font-size:small"><span>performance.io-cache: off</span></p>
<p style="font-size:small"><span>performance.stat-prefetch:
off</span></p>
<p style="font-size:small"><span>cluster.eager-lock:
enable</span></p>
<p style="font-size:small"><span>network.remote-dio:
enable</span></p>
<p style="font-size:small"><span>cluster.quorum-type: auto</span></p>
<p style="font-size:small"><span>cluster.server-quorum-type:
server</span></p>
<p style="font-size:small"><span>storage.owner-uid: 36</span></p>
<p style="font-size:small"><span>storage.owner-gid: 36</span></p>
<p style="font-size:small"><span>features.shard: on</span></p>
<p style="font-size:small"><span>features.shard-block-size:
512MB</span></p>
<p style="font-size:small"><span>performance.low-prio-threads:
32</span></p>
<p style="font-size:small"><span>cluster.data-self-heal-algorithm:
full</span></p>
<p style="font-size:small"><span>performance.write-behind:
off</span></p>
<p style="font-size:small"><span>performance.write-behind-window-size:
4MB</span></p>
<p style="font-size:small"><span>
</span></p>
<p style="font-size:small"><span>performance.cache-size:
1GB</span></p>
<p style="font-size:small"><span><br>
</span></p>
<p style="font-size:small"><span><br>
</span></p>
<p style="font-size:small"><span>Attached goes all the
logs...</span></p>
<p style="font-size:small"><span><br>
</span></p>
<p style="font-size:small"><span><br>
</span></p>
<p style="font-size:small"><span>Thanks</span></p>
<span class="HOEnZb"><font color="#888888">
<p style="font-size:small"><span>-Luiz</span></p>
</font></span></div>
</div>
</div>
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