<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Mar 21, 2017 at 9:24 AM, Paolo Margara <span dir="ltr"><<a href="mailto:paolo.margara@polito.it" target="_blank">paolo.margara@polito.it</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div bgcolor="#FFFFFF">
<p>Hi Simone,</p>
<p>I'll respond inline<br>
</p><div><div class="gmail-h5">
<br>
<div class="gmail-m_-8856736293079813884moz-cite-prefix">Il 20/03/2017 11:59, Simone Tiraboschi
ha scritto:<br>
</div>
<blockquote type="cite">
<div dir="ltr"><br>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Mon, Mar 20, 2017 at 11:15 AM,
Simone Tiraboschi <span dir="ltr"><<a href="mailto:stirabos@redhat.com" target="_blank">stirabos@redhat.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div dir="ltr">
<div class="gmail_extra"><br>
<div class="gmail_quote">
<div>
<div class="gmail-m_-8856736293079813884gmail-m_-4888476689598940363gmail-h5">On
Mon, Mar 20, 2017 at 10:12 AM, Paolo Margara <span dir="ltr"><<a href="mailto:paolo.margara@polito.it" target="_blank">paolo.margara@polito.it</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi
Yedidyah,<br>
<span class="gmail-m_-8856736293079813884gmail-m_-4888476689598940363gmail-m_7393503524263847303gmail-"><br>
Il 19/03/2017 11:55, Yedidyah Bar David ha
scritto:<br>
> On Sat, Mar 18, 2017 at 12:25 PM, Paolo
Margara <<a href="mailto:paolo.margara@polito.it" target="_blank">paolo.margara@polito.it</a>>
wrote:<br>
>> Hi list,<br>
>><br>
>> I'm working on a system running on
oVirt 3.6 and the Engine is reporting<br>
>> the warning "The Hosted Engine
Storage Domain doesn't exist. It should<br>
>> be imported into the setup."
repeatedly in the Events tab into the Admin<br>
>> Portal.<br>
>><br>
>> I've read into the list that Hosted
Engine Storage Domain should be<br>
>> imported automatically into the
setup during the upgrade to 3.6<br>
>> (original setup was on 3.5), but
this not happened while the<br>
>> HostedEngine is correctly visible
into the VM tab after the upgrade.<br>
> Was the upgrade to 3.6 successful and
clean?<br>
</span>The upgrade from 3.5 to 3.6 was
successful, as every subsequent minor<br>
release upgrades. I rechecked the upgrade logs
I haven't seen any<br>
relevant error.<br>
One addition information: I'm currently
running on CentOS 7 and also the<br>
original setup was on this release version.<br>
<div>
<div class="gmail-m_-8856736293079813884gmail-m_-4888476689598940363gmail-m_7393503524263847303gmail-h5">><br>
>> The Hosted Engine Storage Domain
is on a dedicated gluster volume but<br>
>> considering that, if I remember
correctly, oVirt 3.5 at that time did<br>
>> not support gluster as a backend
for the HostedEngine at that time I had<br>
>> installed the engine using
gluster's NFS server using<br>
>> 'localhost:/hosted-engine' as a
mount point.<br>
>><br>
>> Currently on every nodes I can
read into the log of the<br>
>> ovirt-hosted-engine-ha agent the
following lines:<br>
>><br>
>> MainThread::<a class="gmail-m_-8856736293079813884moz-txt-link-freetext">INFO::2017-03-17</a><br>
>> 14:04:17,773::hosted_engine::4<wbr>62::ovirt_hosted_engine_ha.age<wbr>nt.hosted_engine.HostedEngine:<wbr>:(start_monitoring)<br>
>> Current state EngineUp (score:
3400)<br>
>> MainThread::<a class="gmail-m_-8856736293079813884moz-txt-link-freetext">INFO::2017-03-17</a><br>
>> 14:04:17,774::hosted_engine::4<wbr>67::ovirt_hosted_engine_ha.age<wbr>nt.hosted_engine.HostedEngine:<wbr>:(start_monitoring)<br>
>> Best remote host virtnode-0-1
(id: 2<br>
>> , score: 3400)<br>
>> MainThread::<a class="gmail-m_-8856736293079813884moz-txt-link-freetext">INFO::2017-03-17</a><br>
>> 14:04:27,956::hosted_engine::6<wbr>13::ovirt_hosted_engine_ha.age<wbr>nt.hosted_engine.HostedEngine:<wbr>:(_initialize_vdsm)<br>
>> Initializing VDSM<br>
>> MainThread::<a class="gmail-m_-8856736293079813884moz-txt-link-freetext">INFO::2017-03-17</a><br>
>> 14:04:28,055::hosted_engine::6<wbr>58::ovirt_hosted_engine_ha.age<wbr>nt.hosted_engine.HostedEngine:<wbr>:(_initialize_storage_images)<br>
>> Connecting the storage<br>
>> MainThread::<a class="gmail-m_-8856736293079813884moz-txt-link-freetext">INFO::2017-03-17</a><br>
>> 14:04:28,078::storage_server::<wbr>218::<a href="http://ovirt_hosted_engine_ha.li" target="_blank">ovirt_hosted_engine_ha.li</a><wbr>b.storage_server.StorageServer<wbr>::(connect_storage_server)<br>
>> Connecting storage server<br>
>> MainThread::<a class="gmail-m_-8856736293079813884moz-txt-link-freetext">INFO::2017-03-17</a><br>
>> 14:04:28,278::storage_server::<wbr>222::<a href="http://ovirt_hosted_engine_ha.li" target="_blank">ovirt_hosted_engine_ha.li</a><wbr>b.storage_server.StorageServer<wbr>::(connect_storage_server)<br>
>> Connecting storage server<br>
>> MainThread::<a class="gmail-m_-8856736293079813884moz-txt-link-freetext">INFO::2017-03-17</a><br>
>> 14:04:28,398::storage_server::<wbr>230::<a href="http://ovirt_hosted_engine_ha.li" target="_blank">ovirt_hosted_engine_ha.li</a><wbr>b.storage_server.StorageServer<wbr>::(connect_storage_server)<br>
>> Refreshing the storage domain<br>
>> MainThread::<a class="gmail-m_-8856736293079813884moz-txt-link-freetext">INFO::2017-03-17</a><br>
>> 14:04:28,822::hosted_engine::6<wbr>85::ovirt_hosted_engine_ha.age<wbr>nt.hosted_engine.HostedEngine:<wbr>:(_initialize_storage_images)<br>
>> Preparing images<br>
>> MainThread::<a class="gmail-m_-8856736293079813884moz-txt-link-freetext">INFO::2017-03-17</a><br>
>> 14:04:28,822::image::126::ovir<wbr>t_hosted_engine_ha.lib.image.I<wbr>mage::(prepare_images)<br>
>> Preparing images<br>
>> MainThread::<a class="gmail-m_-8856736293079813884moz-txt-link-freetext">INFO::2017-03-17</a><br>
>> 14:04:29,308::hosted_engine::6<wbr>88::ovirt_hosted_engine_ha.age<wbr>nt.hosted_engine.HostedEngine:<wbr>:(_initialize_storage_images)<br>
>> Reloading vm.conf from the<br>
>> shared storage domain<br>
>> MainThread::<a class="gmail-m_-8856736293079813884moz-txt-link-freetext">INFO::2017-03-17</a><br>
>> 14:04:29,309::config::206::ovi<wbr>rt_hosted_engine_ha.agent.host<wbr>ed_engine.HostedEngine.config:<wbr>:(refresh_local_conf_file)<br>
>> Trying to get a fresher copy<br>
>> of vm configuration from the
OVF_STORE<br>
>> MainThread::WARNING::2017-03-1<wbr>7<br>
>> 14:04:29,567::ovf_store::104::<wbr>ovirt_hosted_engine_ha.lib.ovf<wbr>.ovf_store.OVFStore::(scan)<br>
>> Unable to find OVF_STORE<br>
>> MainThread::ERROR::2017-03-17<br>
>> 14:04:29,691::config::235::ovi<wbr>rt_hosted_engine_ha.agent.host<wbr>ed_engine.HostedEngine.config:<wbr>:(refresh_local_conf_file)<br>
>> Unable to get vm.conf from O<br>
>> VF_STORE, falling back to initial
vm.conf<br>
> This is normal at your current state.<br>
><br>
>> ...and the following lines into
the logfile engine.log inside the Hosted<br>
>> Engine:<br>
>><br>
>> 2017-03-16 07:36:28,087 INFO<br>
>> [org.ovirt.engine.core.bll.Imp<wbr>ortHostedEngineStorageDomainCo<wbr>mmand]<br>
>> (org.ovirt.thread.pool-8-threa<wbr>d-38)
[236d315c] Lock Acquired to object<br>
>> 'EngineLock:{exclusiveLocks='[<wbr>]',
sharedLocks='null'}'<br>
>> 2017-03-16 07:36:28,115 WARN<br>
>> [org.ovirt.engine.core.bll.Imp<wbr>ortHostedEngineStorageDomainCo<wbr>mmand]<br>
>> (org.ovirt.thread.pool-8-threa<wbr>d-38)
[236d315c] CanDoAction of action<br>
>> 'ImportHostedEngineStorageDoma<wbr>in'
failed for user SYSTEM. Reasons:<br>
>> VAR__ACTION__ADD,VAR__TYPE__ST<wbr>ORAGE__DOMAIN,ACTION_TYPE_FAIL<wbr>ED_STORAGE_DOMAIN_NOT_EXIST<br>
> That's the thing to debug. Did you
check vdsm logs on the hosts, near<br>
> the time this happens?<br>
</div>
</div>
Some moments before I saw the following lines
into the vdsm.log of the<br>
host that execute the hosted engine and that
is the SPM, but I see the<br>
same lines also on the other nodes:<br>
<br>
Thread-1746094::DEBUG::2017-03<wbr>-16<br>
07:36:00,412::task::595::Stora<wbr>ge.TaskManager.Task::(_updateS<wbr>tate)<br>
Task=`ae5af1a1-207c-432d-acfa-<wbr>f3e03e014ee6`::moving
from state init -><br>
state preparing<br>
Thread-1746094::<a class="gmail-m_-8856736293079813884moz-txt-link-freetext">INFO::2017-03</a>-<wbr>16<br>
07:36:00,413::logUtils::48::di<wbr>spatcher::(wrapper)
Run and protect:<br>
getImagesList(sdUUID='3b5db584<wbr>-5d21-41dc-8f8d-712ce9423a27',
options=None)<br>
Thread-1746094::DEBUG::2017-03<wbr>-16<br>
07:36:00,413::resourceManager:<wbr>:199::Storage.ResourceManager.<wbr>Request::(__init__)<br>
ResName=`Storage.3b5db584-5d21<wbr>-41dc-8f8d-712ce9423a27`ReqID=<wbr>`8ea3c7f3-8ccd-4127-96b1-ec97a<wbr>3c7b8d4`::Request<br>
was made in '/usr/share/vdsm/storage/hsm.p<wbr>y'
line '3313' at 'getImagesList'<br>
Thread-1746094::DEBUG::2017-03<wbr>-16<br>
07:36:00,413::resourceManager:<wbr>:545::Storage.ResourceManager:<wbr>:(registerResource)<br>
Trying to register resource<br>
'Storage.3b5db584-5d21-41dc-8f<wbr>8d-712ce9423a27'
for lock type 'shared'<br>
Thread-1746094::DEBUG::2017-03<wbr>-16<br>
07:36:00,414::resourceManager:<wbr>:604::Storage.ResourceManager:<wbr>:(registerResource)<br>
Resource 'Storage.3b5db584-5d21-41dc-8f<wbr>8d-712ce9423a27'
is free. Now<br>
locking as 'shared' (1 active user)<br>
Thread-1746094::DEBUG::2017-03<wbr>-16<br>
07:36:00,414::resourceManager:<wbr>:239::Storage.ResourceManager.<wbr>Request::(grant)<br>
ResName=`Storage.3b5db584-5d21<wbr>-41dc-8f8d-712ce9423a27`ReqID=<wbr>`8ea3c7f3-8ccd-4127-96b1-ec97a<wbr>3c7b8d4`::Granted<br>
request<br>
Thread-1746094::DEBUG::2017-03<wbr>-16<br>
07:36:00,414::task::827::Stora<wbr>ge.TaskManager.Task::(resource<wbr>Acquired)<br>
Task=`ae5af1a1-207c-432d-acfa-<wbr>f3e03e014ee6`::_resourcesAcqui<wbr>red:<br>
Storage.3b5db584-5d21-41dc-8f8<wbr>d-712ce9423a27
(shared)<br>
Thread-1746094::DEBUG::2017-03<wbr>-16<br>
07:36:00,414::task::993::Stora<wbr>ge.TaskManager.Task::(_decref)<br>
Task=`ae5af1a1-207c-432d-acfa-<wbr>f3e03e014ee6`::ref
1 aborting False<br>
Thread-1746094::ERROR::2017-03<wbr>-16<br>
07:36:00,415::task::866::Stora<wbr>ge.TaskManager.Task::(_setErro<wbr>r)<br>
Task=`ae5af1a1-207c-432d-acfa-<wbr>f3e03e014ee6`::Unexpected
error<br>
Traceback (most recent call last):<br>
File "/usr/share/vdsm/storage/task.<wbr>py",
line 873, in _run<br>
return fn(*args, **kargs)<br>
File "/usr/share/vdsm/logUtils.py", line 49,
in wrapper<br>
res = f(*args, **kwargs)<br>
File "/usr/share/vdsm/storage/hsm.p<wbr>y",
line 3315, in getImagesList<br>
images = dom.getAllImages()<br>
File "/usr/share/vdsm/storage/fileS<wbr>D.py",
line 373, in getAllImages<br>
self.getPools()[0],<br>
IndexError: list index out of range<br>
Thread-1746094::DEBUG::2017-03<wbr>-16<br>
07:36:00,415::task::885::Stora<wbr>ge.TaskManager.Task::(_run)<br>
Task=`ae5af1a1-207c-432d-acfa-<wbr>f3e03e014ee6`::Task._run:<br>
ae5af1a1-207c-432d-acfa-f3e03e<wbr>014ee6<br>
('3b5db584-5d21-41dc-8f8d-712c<wbr>e9423a27',)
{} failed - stopping task<br>
Thread-1746094::DEBUG::2017-03<wbr>-16<br>
07:36:00,415::task::1246::Stor<wbr>age.TaskManager.Task::(stop)<br>
Task=`ae5af1a1-207c-432d-acfa-<wbr>f3e03e014ee6`::stopping
in state preparing<br>
(force False)<br>
Thread-1746094::DEBUG::2017-03<wbr>-16<br>
07:36:00,416::task::993::Stora<wbr>ge.TaskManager.Task::(_decref)<br>
Task=`ae5af1a1-207c-432d-acfa-<wbr>f3e03e014ee6`::ref
1 aborting True<br>
Thread-1746094::<a class="gmail-m_-8856736293079813884moz-txt-link-freetext">INFO::2017-03</a>-<wbr>16<br>
07:36:00,416::task::1171::Stor<wbr>age.TaskManager.Task::(prepare<wbr>)<br>
Task=`ae5af1a1-207c-432d-acfa-<wbr>f3e03e014ee6`::aborting:
Task is aborted:<br>
u'list index out of range' - code 100<br>
Thread-1746094::DEBUG::2017-03<wbr>-16<br>
07:36:00,416::task::1176::Stor<wbr>age.TaskManager.Task::(prepare<wbr>)<br>
Task=`ae5af1a1-207c-432d-acfa-<wbr>f3e03e014ee6`::Prepare:
aborted: list<br>
index out of range<br>
Thread-1746094::DEBUG::2017-03<wbr>-16<br>
07:36:00,416::task::993::Stora<wbr>ge.TaskManager.Task::(_decref)<br>
Task=`ae5af1a1-207c-432d-acfa-<wbr>f3e03e014ee6`::ref
0 aborting True<br>
Thread-1746094::DEBUG::2017-03<wbr>-16<br>
07:36:00,416::task::928::Stora<wbr>ge.TaskManager.Task::(_doAbort<wbr>)<br>
Task=`ae5af1a1-207c-432d-acfa-<wbr>f3e03e014ee6`::Task._doAbort:
force False<br>
Thread-1746094::DEBUG::2017-03<wbr>-16<br>
07:36:00,416::resourceManager:<wbr>:980::Storage.ResourceManager.<wbr>Owner::(cancelAll)<br>
Owner.cancelAll requests {}<br>
Thread-1746094::DEBUG::2017-03<wbr>-16<br>
07:36:00,417::task::595::Stora<wbr>ge.TaskManager.Task::(_updateS<wbr>tate)<br>
Task=`ae5af1a1-207c-432d-acfa-<wbr>f3e03e014ee6`::moving
from state preparing<br>
-> state aborting<br>
Thread-1746094::DEBUG::2017-03<wbr>-16<br>
07:36:00,417::task::550::Stora<wbr>ge.TaskManager.Task::(__state_<wbr>aborting)<br>
Task=`ae5af1a1-207c-432d-acfa-<wbr>f3e03e014ee6`::_aborting:
recover policy none<br>
Thread-1746094::DEBUG::2017-03<wbr>-16<br>
07:36:00,417::task::595::Stora<wbr>ge.TaskManager.Task::(_updateS<wbr>tate)<br>
Task=`ae5af1a1-207c-432d-acfa-<wbr>f3e03e014ee6`::moving
from state aborting<br>
-> state failed<br>
<br>
After that I tried to execute a simple query
on storage domains using<br>
vdsClient and I got the following information:<br>
<br>
# vdsClient -s 0 getStorageDomainsList<br>
3b5db584-5d21-41dc-8f8d-712ce9<wbr>423a27<br>
0966f366-b5ae-49e8-b05e-bee189<wbr>5c2d54<br>
35223b83-e0bd-4c8d-91a9-8c6b85<wbr>336e7d<br>
2c3994e3-1f93-4f2a-8a0a-0b5d38<wbr>8a2be7<br>
# vdsClient -s 0 getStorageDomainInfo
3b5db584-5d21-41dc-8f8d-712ce9<wbr>423a27<br>
uuid = 3b5db584-5d21-41dc-8f8d-712ce9<wbr>423a27<br>
version = 3<br>
role = Regular<br>
remotePath = localhost:/hosted-engine<br>
</blockquote>
<div><br>
</div>
</div>
</div>
<div>Your issue is probably here: by design all the
hosts of a single datacenter should be able to see
all the storage domains including the
hosted-engine one but if try to mount it as
localhost:/hosted-engine this will not be
possible.</div>
<span class="gmail-m_-8856736293079813884gmail-m_-4888476689598940363gmail-">
<div> </div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
type = NFS<br>
class = Data<br>
pool = []<br>
name = default<br>
# vdsClient -s 0 getImagesList
3b5db584-5d21-41dc-8f8d-712ce9<wbr>423a27<br>
list index out of range<br>
<br>
All other storage domains have the pool
attribute defined, could be this<br>
the issue? How can I assign to a pool the Hosted
Engine Storage Domain?<br>
</blockquote>
<div><br>
</div>
</span>
<div>This will be the result of the auto import
process once feasible.</div>
<span class="gmail-m_-8856736293079813884gmail-m_-4888476689598940363gmail-">
<div> </div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div class="gmail-m_-8856736293079813884gmail-m_-4888476689598940363gmail-m_7393503524263847303gmail-HOEnZb">
<div class="gmail-m_-8856736293079813884gmail-m_-4888476689598940363gmail-m_7393503524263847303gmail-h5">><br>
>> 2017-03-16 07:36:28,116 INFO<br>
>> [org.ovirt.engine.core.bll.Imp<wbr>ortHostedEngineStorageDomainCo<wbr>mmand]<br>
>> (org.ovirt.thread.pool-8-threa<wbr>d-38)
[236d315c] Lock freed to object<br>
>> 'EngineLock:{exclusiveLocks='[<wbr>]',
sharedLocks='null'}'<br>
>><br>
>> How can I safely import the Hosted
Engine Storage Domain into my setup?<br>
>> In this situation is safe to
upgrade to oVirt 4.0?<br>
</div>
</div>
</blockquote>
</span></div>
</div>
</div>
</blockquote>
<div><br>
</div>
<div>This could be really tricky because I think that
upgrading from an hosted-engine env from 3.5 deployed on
hyperconverged env but mounted on NFS over a localhost
loopback mount to 4.1 is something that is by far out of
the paths we tested so I think you can hit a few surprises
there.</div>
<div><br>
</div>
<div>In 4.1 the expected configuration under
/etc/ovirt-hosted-engine/hoste<wbr>d-engine.conf includes:</div>
<div>domainType=glusterfs<br>
</div>
<div>storage=<FIRST_HOST_ADDR>:/pat<wbr>h<br>
</div>
<div>mnt_options=<span class="gmail-m_-8856736293079813884gmail-il" style="white-space:pre-wrap">backup</span><span style="color:rgb(85,85,85);white-space:pre-wrap">-</span><span class="gmail-m_-8856736293079813884gmail-il" style="white-space:pre-wrap">volfile</span><span style="color:rgb(85,85,85);white-space:pre-wrap">-</span><span class="gmail-m_-8856736293079813884gmail-il" style="white-space:pre-wrap">ser<wbr>vers</span><span style="color:rgb(85,85,85);white-space:pre-wrap">=</span><SECOND_HOST_ADDR><span style="color:rgb(85,85,85);white-space:pre-wrap">:</span><<wbr>THIRD_HOST_ADDR>
</div><div>
</div><div>But these requires more recent vdsm and ovirt-hosted-engine-ha versions.</div><div>Then you also have to configure your engine to have both virt and gluster on the same cluster.</div><div>Nothing is going to do them automatically for you on upgrades.</div><div>
</div>I see two options here:
1. easy, but with a substantial downtime: shutdown your whole DC, start from scratch with gdeploy from 4.1 to configure a new gluster volume and anew engine over there, once you have a new engine import your existing storage domain and restart your VMs</div><div class="gmail_quote">2. a lot trickier, try to reach 4.1 status manually editing /etc/ovirt-hosted-<wbr>engine/hosted-engine.conf and so on and upgrading everything to 4.1; this could be pretty risky because you are on a path we never tested since hyperconverged hosted-engine at 3.5 wasn't released.</div></div></div></blockquote></div></div>I understood, definitely bad news for me. But currently I'm running oVirt 3.6.7 that, if I remember correctly, supports hyperconverged setup, it's not possible to fix this issue with my current version?
I've installed vdsm 4.17.32-1.el7 with the vdsm-gluster package and ovirt-hosted-engine-ha 1.3.5.7-1.el7.centos on CentOS 7.2.1511 and my engine it's already configured to have both virt and gluster on the same cluster.
I cannot put the cluster in maintenance, stop the hosted-engine, stop ovirt-hosted-engine-ha, edit hosted-engine.conf by changing domainType, storage and mnt_options and restart aovirt-hosted-engine-ha and the hosted-engine?</div></blockquote><br>The support for custom mount options has been introduced here <a href="https://gerrit.ovirt.org/#/c/57787/">https://gerrit.ovirt.org/#/c/57787/</a> so it should be available since ovirt-hosted-engine-ha-1.3.5.6 and so you already have it on 3.6.7<div>In the mean time we had a lot of improvements for the hyperconverged scenario, that's why I'm strongly suggesting you to upgrade to 4.1.</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div bgcolor="#FFFFFF">
<span class="gmail-"><blockquote type="cite"><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"> <blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><span class="gmail-m_-8856736293079813884gmail-m_-4888476689598940363gmail-"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div class="gmail-m_-8856736293079813884gmail-m_-4888476689598940363gmail-m_7393503524263847303gmail-HOEnZb"><div class="gmail-m_-8856736293079813884gmail-m_-4888476689598940363gmail-m_7393503524263847303gmail-h5">
> I'd first try to solve this.
>
> What OS do you have on your hosts? Are they all upgraded to 3.6?
>
> See also:
>
> <a href="https://www.ovirt.org/documentation/how-to/hosted-engine-host-OS-upgrade/" rel="noreferrer" target="_blank">https://www.ovirt.org/document<wbr>ation/how-to/hosted-engine-hos<wbr>t-OS-upgrade/</a>
>
> Best,
>
>>
>> Greetings,
>> Paolo
>>
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>
>
Greetings,
Paolo
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</div></div></blockquote></span></div>
</div></div></blockquote></div></div></div></blockquote></span>Greetings,
Paolo
</div></blockquote></div><br></div></div>