8:14 a.m.
Hi,
after a blackout one host of my ovirt not working properly. I tried to Reinstall it but
ends with the following error "Failed to install Host ov1. Failed to execute stage
'Closing up': Failed to start service 'vdsmd'." I tried to start
manually but it not start .
Now, I would like to reinstall from iso ovirt node.
After I put the host is in maintenance must I remove host from the cluster (Hosts ->
host1 -> Remove) or I can reinstall without remove it?
If I remore it from the cluster the network configurations I lose them or not?
My ovirt version is oVirt Engine Version: 4.1.9.1-1.el7.centos.
10:17 a.m.
Il giorno mer 23 gen 2019 alle ore 15:15 <nikkognt(a)gmail.com> ha scritto:
Hi,
after a blackout one host of my ovirt not working properly. I tried to
Reinstall it but ends with the following error "Failed to install Host ov1.
Failed to execute stage 'Closing up': Failed to start service
'vdsmd'." I
tried to start manually but it not start .
Now, I would like to reinstall from iso ovirt node.
After I put the host is in maintenance must I remove host from the cluster
(Hosts -> host1 -> Remove) or I can reinstall without remove it?
If I remore it from the cluster the network configurations I lose them or
not?
My ovirt version is oVirt Engine Version: 4.1.9.1-1.el7.centos.
Hi,
please note oVirt 4.1 is no longer supported. While waiting for 4.3 to be
released I would suggest to use oVirt Node 4.2.8 to replace the failing
node and start upgrading the remaining nodes and the engine as well.
You should be able to reinstall the host without removing it from the
cluster.
See
https://ovirt.org/documentation/admin-guide/chap-Hosts.html#reinstalling-...
for further information.
Thanks,
--
SANDRO BONAZZOLA
MANAGER, SOFTWARE ENGINEERING, EMEA R&D RHV
Red Hat EMEA <https://www.redhat.com/>
sbonazzo(a)redhat.com
<https://red.ht/sig>
2:48 p.m.
Hi Sandro,
thanks for your reply and your council.
You suggest me to upgrade my ovirt infrastructure.
Can I upgrade the engine first and after the hosts and then can I reinstall using ovirt
node 4.2.8 without remove it from engine? Thats right?
I thought I could reinstall the hosts still in version 4.1 and upgrade later but I will
follow your advice.
Thank you for you help.
nikkognt
2:54 p.m.
Il giorno mer 23 gen 2019 alle ore 21:49 <nikkognt(a)gmail.com> ha scritto:
Hi Sandro,
thanks for your reply and your council.
You suggest me to upgrade my ovirt infrastructure.
Can I upgrade the engine first and after the hosts and then can I
reinstall using ovirt node 4.2.8 without remove it from engine? Thats right?
Yes, you can start with the engine and then reinstall hosts one by one
using oVirt Node 4.2.8. Once finished you can change cluster compatibility
level to 4.2 for consuming new features included in 4.2.
I thought I could reinstall the hosts still in version 4.1 and
upgrade
later but I will follow your advice.
You can reinstall 4.1 hosts but 4.1 is not compatible with CentOS >= 7.5 so
you'll miss all the security fixes from the past year including meltdown
and spectre fixes.
I would recommend to use 4.2.8.
Thank you for you help.
nikkognt
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--
SANDRO BONAZZOLA
MANAGER, SOFTWARE ENGINEERING, EMEA R&D RHV
Red Hat EMEA <https://www.redhat.com/>
sbonazzo(a)redhat.com
<https://red.ht/sig>
8:18 a.m.
Thanks Sandro for your suggests.
I followed your instructions and all work perfectly.
The only problem that I found was the iso-domain that was not working properly then I have
destroy it and I recreate it and now work.
The question
At the moment my hosts are installed with centos not ovirt-node. In the future I would
like to reinstall them with ovirt-node iso.
Is it possible? I only put in maintenance a then reinstall one by one with ovirt-node or I
must remove from engine and then reinstall one by one?
Many thanks
Nikkognt
8:20 a.m.
Thanks Sandro for your suggests.
I followed your instructions and all work perfectly.
The only problem that I found was the iso-domain that was not working properly then I have
destroy it and I recreate it and now work.
The last question
At the moment my hosts are installed with centos not ovirt-node. In the future I would
like to reinstall them with ovirt-node iso.
Is it possible? I only put in maintenance a then reinstall one by one with ovirt-node or I
must remove from engine and then reinstall one by one?
Many thanks
Nikkognt
6:56 a.m.
Hi Sandro,
I tried to reinstall following instructions you told me...
1) I put in maintenance the host
2) I reinstall host with last version of ovirt node
After that how can I add the host node in ovirt engine?
From the engine? From host from terminal? Which command? How?
When I try to reinstall from engine the following error appear "VDSM ov1 command Get
Host Capabilities failed: General SSLEngine problem"
To solve, I think that I remove the host node from the engine, reinstall from iso, and add
the host reinstalled in the ovirt from engine. Do you think that I will lost the
configuration of this host node?
please help
best regards
nikkognt
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Sandro Bonazzola