Hi, I am trying to setup a cluster of two nodes, with self hoste Engine.
Things went fine for the first machine, but it as rather messy about the second
one. I would like to have load balancing and failover for both management
network and storage (NFS repository). So what should I exactly do
Hi, Thanks for your answer. I totally missed that part when I added the second
host to the cluster. I put it in maintenance, removed it from the cluster and
then added it again with this setting. Works a lot better !
Regards
Le 01-Feb-2018 10:18:23 +0100, stira...@redhat.com a crit:
On
Hi, What can prevent the hosted engine VM from being migrated ? I can migrate
any other VM in the cluster (same servers), and it is supposed to be configured
to be migrated manually or automatically as far as I can see.
Regards
___
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Hi, I installed my nodes with the latest packages available in repositories.
Then I installed the self-hosted engine on one of them, created the cluster and
added the second node. When I encountered these network config problems and
saw your answer, I thougt it was time to update some
In fact I don't know what flow should be followed. I have found several
documentations, but most deal with older version so I am not sure I am doing
right.
Is there a working documented procedure somewhere ?
Le 08-Feb-2018 11:17:06 +0100, mbur...@redhat.com a crit:
Thanks, I'm not so
Le 12-Feb-2018 08:06:43 +0100, jbe...@redhat.com a crit:
> This option relevant only for the upgrade from 3.6 to 4.0(engine had
> different OS major versions), it all other cases the upgrade flow very
> similar to upgrade flow of standard engine environment.
>
>
> 1. Put hosted-engine
Hi, I have tried this but it didn't solved the problem. I removed the disk and
tried to boot with an ISO but no more success. As I need to work on what was
installed on this disk, I tried the most violent but efficient solution :
destroying the VM and recreating it, keeping its mac address.
Hi, This is the whole message. Here you get the whole output of the process. I
runned these commands on the node hosting the engine vm. But if there is a more
efficient workflow, I am interrested in it ! # yum -y update Modules
complmentaires chargs : fastestmirror
base | 3.6 kB 00:00:00
I did not see I had to enable another repo to get this update, so I was sure I
had the latest version available !
After adding it, things went a lot better and I was able to update the engine
and all the nodes flawlessly to version 4.2.1.6-1.el7.centos Thanks a lot for
your help ! The "no
I have just done it.
Is it possible to tweak this XML file (where ?) in order to get a working VM
? Regards
Le 09-Feb-2018 12:44:08 +0100, from...@redhat.com a crit:
Hi,
could you please file a bug? Please attach the failing XML, you should find it
pretty easily in the Vdsm logs.
Hi, I just wanted to increase the number of CPUs for a VM and after
validating, I got the following error when I try to start it: VM vm-test is
down with error. Exit message: XML error: Multiple 'scsi' controllers with
index '0'. I am sure it is a bug, but for now, what can I do in order
Hi, Could someone explain me at least what "Cluster PROD is at version 4.2
which is not supported by this upgrade flow. Please fix it before upgrading."
means ? As far as I know 4.2 is the most recent branch available, isn't it ?
Regards
Le 08-Feb-2018 09:59:32 +0100, mbur...@redhat.com a
Hi, I am experiencing a new problem : when I try to modify something in the
network setup on the second node (added to the cluster after installing the
engine on the other one) using the Engine GUI, I get the following error when
validating :must match
Hi, Thanks a lot for your answer.I applied some updates at node level, but
I forgot to upgrade the engine ! When I try to do so I get a strange error :
"Cluster PROD is at version 4.2 which is not supported by this upgrade flow.
Please fix it before upgrading." Here are the installed
Hi,
Is there any kind of penalty or risk using something like a dozen of separate
disks for a VM stored on a NFS datastore ? Regards
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Hi, I am trying to build a new vm based on a vhd image coming from a windows
machine. I converted the image to raw, and I am now trying to import it in the
engine. After setting up the CA in my browser, the import process starts but
stops after a while with "paused by system" status. I can
Hi,
Here are lines I have found for my last faulty try :ENGINE 2018-02-19
17:52:27,283+01 INFO
[org.ovirt.engine.core.bll.storage.disk.image.TransferImageStatusCommand]
(EE-ManagedThreadFactory-engineScheduled-Thread-3) [1320afb0] Running command:
TransferImageStatusCommand internal:
Hi,
I get this :ImageProxyAddress:hosted-ovirt-engine.domain.loc:54323
version: general
Regards
Le 21-Feb-2018 10:16:23 +0100, gianluca.cec...@gmail.com a crit:
On Tue, Feb 20, 2018 at 2:33 PM, wrote:
Hi,
Here are lines I have found for my last faulty try : Just
Hi,
I just got the same problem again, with version 4.2.2-1. This time I
wanted to add one more disk to a newly created machine, then it was not able to
start again. Neither disabling or removing the disk helps. Is there a way to
tweak the configuration to remove this offending device,
Hi,
Is NFS 4.1 supported and working flawlessly in oVirt ? I would like to
give it a try (performances with // transferts), but as it requires changes in
my network design if I want to add new links, I want to be sure it worth the
effort. Is there an easy way to "migrate"a NFS3
Thanks for that quick answer !
Yes indeed I had some connectivity troubles on this server, a strange
bonding problem I am investigating on since yesterday. But with just one link,
it is working ok, I have no similar errors after the ones you saw. What can I
do to really remove the task
Thanks for your answer.
And to use V4.1 instead of V3 on a domain, do I just have to disconnect it
and change its settings ? Seems to be easy to do with VMs domains, but how to
do it with hosted storage domain ? Regards
Le 14-Mar-2018 11:54:52 +0100, eshen...@redhat.com a crit:
Hi,
Thanks for your answer.
And in order to use V4.1 instead of V3 on a domain, do I just have to
disconnect it and change its settings ? Seems to be doable with VMs domains,
but how to do it with hosted storage domain ? I haven't find a command line way
to do this yet.
Regards
Le
Hi,
I tried to rollback to a snapshot on a VM, but the preview never ended.
The task has been running for about 15 hours, with this state : {
"916b67fb-8808-43d2-850c-1c12650ccc49": {
"verb": "createVolume",
"code": 0,
"state": "finished",
"tag": "spm",
"result": {
"uuid":
In fact I don't really know how to change storage domains setttings (like nfs
version or export path, ...), if it is only possible.
I thought they could be disabled after stopping all related VMS, and maybe
settings panel would then unlock ?
But this should be impossible with hosted engine
Thanks, I totally missed that :-/
And this wil also work for the hosted engine dedicated domain, putting the
storage domain the virtual machine is depending on in maintenance ?
Le 15-Mar-2018 10:38:48 +0100, eshen...@redhat.com a crit:
You can edit the storage domain setting after the
Hi,
Yes, clear informations about this are not available and I had to try a
little bit before getting a result. The thing is you can create an internal
network but it has to be linked to some device, otherwise the network will be
considered as "non functional" and your domain, server or
Hi,
I had an electrical failure on the server hosting the engine.
After the reboot it was able to gain access to it again, log into the GUI, but
the currently online node is not leaving "not responsive" status.
Of course, the network storage paths are still mounted, the VMs are running,
but I
Hi,
I gave up trying to restore a backup of my former hosted engine, I never
managed to get engine and nodes communicate again and I need to go on. So I
installed a new engine (let's try a dedicated one this time) and imported the
storage domains successfully. After attaching and
Hi,
What is the right way to get a persistent dummy interface ? I need an internal
network for lab purpoposes, so I created a dummy link "ip link add dummy_1 type
dummy" and I was able to assign my logical network to it. But how to make it
persistent ? Of course, after a reboot, the dummy
Hi,
Thanks for your reply, that was the idea I had but in a less clean way :-) So
it is at os level, nothing special in oVirt. I have found the thing fully
explained here, for reference :
https://www.centos.org/forums/viewtopic.php?t=53233 Regards
Le 03-Apr-2018 13:32:06 +0200,
Hi,
As these files are generated by oVirt when a modification occurs, how to
enable STP on bridges by configuration ?
I haven't been able to find this option in GUI. Editing ifconfig and
persistence files is OK, but maybe I can modify something that would erase this
handmade modification and
Hi,
Can you confirm that there is no way to have a snapshot tree, like in
VirtualBox, where one can revert to say "snapshot1" and then branch new
children snapshot but without loosing any snapshots made after "snapshot1",
which could have their own children ? According to the documentation, it
Hi,
In case of a total failure of the hosted engine VM, it is recommended to
recreate a new one and restore a backup. I hope it works, I will probably have
to do this very soon. But is there some kind of "plug and play" features,
able to rebuild configuration by browsing storage domains,
Hi,
I wanted to rebuild a new hosted engine setup, as the old was corrupted (too
much violent poweroff !) So the server was not reinstalled, I just runned
"ovirt-hosted-engine-cleanup". The network setup generated by vdsm seems to be
still in place, so I haven't changed anything there.
Hi,
In fact it is a workaround coming from you I found in the bugtrack that
helped me :
chmod 644 /var/cache/vdsm/schema/*
As the only thing looking like a weird error I have found was :
ERROR Exception raised#012Traceback (most recent call last):#012 File
By the way, should NetworkManager be enabled or disabled when using latest
versions of oVirt ?
I have found contradictory informations, but some are from two years ago.
Regards
Le 19-Mar-2018 16:56:50 +0100, spfma.t...@e.mail.fr a crit:
Hi,
I wanted to rebuild a new hosted engine
I tried to make a cleaner install : after cleanup, I recreated
"/rhev/data-center/mnt/" and ran the installer again.
As you can see, it crashed again with the same access denied error on this
file :[ INFO ] TASK [Copy configuration archive to storage]
[ ERROR ] fatal: [localhost]: FAILED!
Just to be sure I hadn't altered something, I renamed "mnt" in something else
and it was indeed recreated.
Le 20-Mar-2018 16:57:22 +0100, stira...@redhat.com a crit:
On Tue, Mar 20, 2018 at 4:12 PM, wrote:
I tried to make a cleaner install : after cleanup, I recreated
Hi,
I am still trying to make my restored hosted engine communicate with the
nodes without success. There is a step I am not sure : is root user on the
engine supposed to be able to log into nodes without password or not ? In my
case it doesn't By the way, where are located the
Hi,
Thanks for your answer. No, it was configured with static ip. I checked the
answer file from the first install, I used the same options. Regards
Le 19-Mar-2018 17:48:41 +0100, stira...@redhat.com a crit:
On Mon, Mar 19, 2018 at 4:56 PM, wrote:
Hi,
I wanted to rebuild a new
Hi,
I have weaked "/usr/lib/python2.7/site-packages/vdsm/sslutils.py" in order
to get more informative errors. So here is what I get 2018-03-23
12:26:17,367+0100 ERROR (Reactor thread)
[ProtocolDetector.SSLHandshakeDispatcher] ssl handshake: SSLError, address:
:::10.100.1.100 error :
Hi,
I made some progress : by allowing my NAS to map any user to admin (not the
best for security, but it is a dedicated infrastructure), this weird
permissions problem disappeared. Maybe a NFS bug somewhere ? I don't know. I
was able to redeploy a new hosted engine, and after a cleanup
Hi, It should be possible, as oVirt is able to support NFS 4.1 I have a
Synology NAS which is also able to support this version of the protocol, but
never found time to set this together and test it until now. Reagrds
Le 30-Aug-2018 12:16:32 +0200, xrs...@xrs444.net a crit:
Hello all,
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