Re: [ovirt-users] oVirt Engine 4.0.5 and CentOS 7.3 Instability

2017-01-06 Thread Pavel Gashev 
Rogério,

This bug is fixed in vdsm-jsonrpc-java-1.2.9.
Do you have a really non-responsive host?

From: Rogério Ceni Coelho <rogeriocenicoe...@gmail.com>
Date: Friday 6 January 2017 at 21:35
To: Pavel Gashev <p...@acronis.com>, users <users@ovirt.org>
Subject: Re: [ovirt-users] oVirt Engine 4.0.5 and CentOS 7.3 Instability

I found https://bugzilla.redhat.com/show_bug.cgi?id=1393714 which seem to be 
the same problem that occour with me ...


Em sex, 6 de jan de 2017 às 16:28, Rogério Ceni Coelho 
<rogeriocenicoe...@gmail.com<mailto:rogeriocenicoe...@gmail.com>> escreveu:
Pavel,

Take a look ...

[root@prd-rbs-ovirt01-poa ~]# grep -i error /var/log/ovirt-engine/engine.log | 
grep -v org.ovirt.engine.core.vdsbroker.HostDevListByCapsVDSCommand | tail -50
2017-01-06 16:20:06,897 ERROR 
[org.ovirt.engine.core.vdsbroker.vdsbroker.GetAllVmStatsVDSCommand] 
(DefaultQuartzScheduler6) [a6fc972] Command 'GetAllVmStatsVDSCommand(HostName = 
prd-rbs-ovirt-kvm10-poa.rbs.com.br<http://prd-rbs-ovirt-kvm10-poa.rbs.com.br>, 
VdsIdAndVdsVDSCommandParametersBase:{runAsync='true', 
hostId='8b4bc7dc-af8c-4415-a2ef-bccc11ddf23a', 
vds='Host[prd-rbs-ovirt-kvm10-poa.rbs.com.br<http://prd-rbs-ovirt-kvm10-poa.rbs.com.br>,8b4bc7dc-af8c-4415-a2ef-bccc11ddf23a]'})'
 execution failed: VDSGenericException: VDSNetworkException: Heartbeat exceeded
2017-01-06 16:20:06,899 ERROR 
[org.ovirt.engine.core.vdsbroker.vdsbroker.GetAllVmStatsVDSCommand] 
(DefaultQuartzScheduler10) [19b85a77] Command 'GetAllVmStatsVDSCommand(HostName 
= 
prd-rbs-ovirt-kvm17-poa.rbs.com.br<http://prd-rbs-ovirt-kvm17-poa.rbs.com.br>, 
VdsIdAndVdsVDSCommandParametersBase:{runAsync='true', 
hostId='795b917b-ea5b-499d-80c5-aa3aad4f2537', 
vds='Host[prd-rbs-ovirt-kvm17-poa.rbs.com.br<http://prd-rbs-ovirt-kvm17-poa.rbs.com.br>,795b917b-ea5b-499d-80c5-aa3aad4f2537]'})'
 execution failed: VDSGenericException: VDSNetworkException: Heartbeat exceeded
2017-01-06 16:20:06,901 ERROR 
[org.ovirt.engine.core.vdsbroker.vdsbroker.GetAllVmStatsVDSCommand] 
(DefaultQuartzScheduler8) [1bccfc8a] Command 'GetAllVmStatsVDSCommand(HostName 
= 
prd-rbs-ovirt-kvm19-poa.rbs.com.br<http://prd-rbs-ovirt-kvm19-poa.rbs.com.br>, 
VdsIdAndVdsVDSCommandParametersBase:{runAsync='true', 
hostId='887b6e35-1fd1-4cd6-9e78-05bcab12a417', 
vds='Host[prd-rbs-ovirt-kvm19-poa.rbs.com.br<http://prd-rbs-ovirt-kvm19-poa.rbs.com.br>,887b6e35-1fd1-4cd6-9e78-05bcab12a417]'})'
 execution failed: VDSGenericException: VDSNetworkException: Heartbeat exceeded
2017-01-06 16:23:26,020 ERROR 
[org.ovirt.engine.core.vdsbroker.vdsbroker.GetAllVmStatsVDSCommand] 
(DefaultQuartzScheduler1) [7771902b] Command 'GetAllVmStatsVDSCommand(HostName 
= 
prd-rbs-ovirt-kvm06-poa.rbs.com.br<http://prd-rbs-ovirt-kvm06-poa.rbs.com.br>, 
VdsIdAndVdsVDSCommandParametersBase:{runAsync='true', 
hostId='23b750ed-4ba6-4782-a9bd-c018c0f36e44', 
vds='Host[prd-rbs-ovirt-kvm06-poa.rbs.com.br<http://prd-rbs-ovirt-kvm06-poa.rbs.com.br>,23b750ed-4ba6-4782-a9bd-c018c0f36e44]'})'
 execution failed: VDSGenericException: VDSNetworkException: Heartbeat exceeded
2017-01-06 16:23:26,043 ERROR [org.ovirt.vdsm.jsonrpc.client.JsonRpcClient] 
(ResponseWorker) [] Not able to update response for 
"e5f7a478-841d-413c-baa1-d63632be7748"
2017-01-06 16:24:32,480 ERROR [org.ovirt.vdsm.jsonrpc.client.JsonRpcClient] 
(ResponseWorker) [] Not able to update response for 
"75bf7e9a-fb5f-4253-bdf6-ff0fcbf8c876"
2017-01-06 16:24:32,485 ERROR 
[org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] 
(DefaultQuartzScheduler6) [35cc958c] Correlation ID: null, Call Stack: null, 
Custom Event ID: -1, Message: VDSM 
prd-rbs-ovirt-kvm06-poa.rbs.com.br<http://prd-rbs-ovirt-kvm06-poa.rbs.com.br> 
command failed: Heartbeat exceeded
2017-01-06 16:24:32,485 ERROR 
[org.ovirt.engine.core.vdsbroker.vdsbroker.SpmStatusVDSCommand] 
(DefaultQuartzScheduler6) [35cc958c] Command 'SpmStatusVDSCommand(HostName = 
prd-rbs-ovirt-kvm06-poa.rbs.com.br<http://prd-rbs-ovirt-kvm06-poa.rbs.com.br>, 
SpmStatusVDSCommandParameters:{runAsync='true', 
hostId='23b750ed-4ba6-4782-a9bd-c018c0f36e44', 
storagePoolId='0001-0001-0001-0001-0198'})' execution failed: 
VDSGenericException: VDSNetworkException: Heartbeat exceeded
2017-01-06 16:24:32,524 WARN  
[org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] 
(DefaultQuartzScheduler6) [152cde35] Correlation ID: 152cde35, Call Stack: 
null, Custom Event ID: -1, Message: Invalid status on Data Center RBS. Setting 
Data Center status to Non Responsive (On host 
prd-rbs-ovirt-kvm06-poa.rbs.com.br<http://prd-rbs-ovirt-kvm06-poa.rbs.com.br>, 
Error: Network error during communication with the Host.).
2017-01-06 16:25:37,493 ERROR [org.ovirt.vdsm.jsonrpc.client.reactors.Reactor] 
(SSL Stomp Reactor) [] Internal server error: null
2017-01-06 16:25:37,494 ERROR [org.ovirt.vds

Re: [ovirt-users] oVirt Engine 4.0.5 and CentOS 7.3 Instability

2017-01-06 Thread Rogério Ceni Coelho 
.jsonrpc.client.reactors.Reactor] (SSL Stomp Reactor) []
> Internal server error: null
> 2017-01-06 16:27:49,661 ERROR
> [org.ovirt.vdsm.jsonrpc.client.reactors.Reactor] (SSL Stomp Reactor) []
> Internal server error: null
> 2017-01-06 16:27:49,661 ERROR
> [org.ovirt.vdsm.jsonrpc.client.reactors.Reactor] (SSL Stomp Reactor) []
> Internal server error: null
> 2017-01-06 16:27:49,663 ERROR
> [org.ovirt.engine.core.vdsbroker.vdsbroker.GetAllVmStatsVDSCommand]
> (DefaultQuartzScheduler6) [54a978b8] Command
> 'GetAllVmStatsVDSCommand(HostName = prd-rbs-ovirt-kvm06-poa.rbs.com.br,
> VdsIdAndVdsVDSCommandParametersBase:{runAsync='true',
> hostId='23b750ed-4ba6-4782-a9bd-c018c0f36e44', vds='Host[
> prd-rbs-ovirt-kvm06-poa.rbs.com.br,23b750ed-4ba6-4782-a9bd-c018c0f36e44]'})'
> execution failed: VDSGenericException: VDSNetworkException: Heartbeat
> exceeded
> 2017-01-06 16:27:49,663 ERROR
> [org.ovirt.engine.core.vdsbroker.vdsbroker.GetAllVmStatsVDSCommand]
> (DefaultQuartzScheduler9) [27c382ce] Command
> 'GetAllVmStatsVDSCommand(HostName = prd-rbs-ovirt-kvm14-poa.rbs.com.br,
> VdsIdAndVdsVDSCommandParametersBase:{runAsync='true',
> hostId='60997c2f-3ba0-4911-928a-b70f640f30b8', vds='Host[
> prd-rbs-ovirt-kvm14-poa.rbs.com.br,60997c2f-3ba0-4911-928a-b70f640f30b8]'})'
> execution failed: VDSGenericException: VDSNetworkException: Heartbeat
> exceeded
> 2017-01-06 16:27:49,666 ERROR
> [org.ovirt.engine.core.vdsbroker.vdsbroker.GetAllVmStatsVDSCommand]
> (DefaultQuartzScheduler6) [54a978b8] Command
> 'GetAllVmStatsVDSCommand(HostName = prd-rbs-ovirt-kvm03-poa.rbs.com.br,
> VdsIdAndVdsVDSCommandParametersBase:{runAsync='true',
> hostId='f7842244-646c-400a-9736-f8d4aa9b1cef', vds='Host[
> prd-rbs-ovirt-kvm03-poa.rbs.com.br,f7842244-646c-400a-9736-f8d4aa9b1cef]'})'
> execution failed: VDSGenericException: VDSNetworkException: Heartbeat
> exceeded
> 2017-01-06 16:27:49,666 ERROR
> [org.ovirt.engine.core.vdsbroker.vdsbroker.GetAllVmStatsVDSCommand]
> (DefaultQuartzScheduler7) [68fa51f0] Command
> 'GetAllVmStatsVDSCommand(HostName = prd-rbs-ovirt-kvm11-poa.rbs.com.br,
> VdsIdAndVdsVDSCommandParametersBase:{runAsync='true',
> hostId='d3c5cf1f-b203-4818-9767-5249387e3553', vds='Host[
> prd-rbs-ovirt-kvm11-poa.rbs.com.br,d3c5cf1f-b203-4818-9767-5249387e3553]'})'
> execution failed: VDSGenericException: VDSNetworkException: Heartbeat
> exceeded
> 2017-01-06 16:27:49,667 ERROR
> [org.ovirt.engine.core.vdsbroker.vdsbroker.GetAllVmStatsVDSCommand]
> (DefaultQuartzScheduler11) [2d5a3838] Command
> 'GetAllVmStatsVDSCommand(HostName = prd-rbs-ovirt-kvm19-poa.rbs.com.br,
> VdsIdAndVdsVDSCommandParametersBase:{runAsync='true',
> hostId='887b6e35-1fd1-4cd6-9e78-05bcab12a417', vds='Host[
> prd-rbs-ovirt-kvm19-poa.rbs.com.br,887b6e35-1fd1-4cd6-9e78-05bcab12a417]'})'
> execution failed: VDSGenericException: VDSNetworkException: Heartbeat
> exceeded
> 2017-01-06 16:27:49,682 ERROR
> [org.ovirt.vdsm.jsonrpc.client.JsonRpcClient] (ResponseWorker) [] Not able
> to update response for "edd8b375-4598-4671-a2cf-0d62fc9bdd0a"
>
>
> Em sex, 6 de jan de 2017 às 15:16, Rogério Ceni Coelho <
> rogeriocenicoe...@gmail.com> escreveu:
>
> After apply the new vdsm-json package ? Yes, restart hole vm. :-(
>
> [root@prd-rbs-ovirt01-poa ~]#  rpm -q
> vdsm-jsonrpc-java-1.2.10-1.20161211091707.gitaf70e3f.el7.centos.noarch
> vdsm-jsonrpc-java-1.2.10-1.20161211091707.gitaf70e3f.el7.centos.noarch
>
> [root@prd-rbs-ovirt01-poa ~]#  rpm -qi
> vdsm-jsonrpc-java-1.2.10-1.20161211091707.gitaf70e3f.el7.centos.noarch
> Name: vdsm-jsonrpc-java
> Version : 1.2.10
> Release : 1.20161211091707.gitaf70e3f.el7.centos
> Architecture: noarch
> Install Date: Fri Jan  6 09:57:25 2017
> Group   : Development/Libraries
> Size: 144305
> License : LGPLv2+
> Signature   : (none)
> Source RPM  :
> vdsm-jsonrpc-java-1.2.10-1.20161211091707.gitaf70e3f.el7.centos.src.rpm
> Build Date  : Sun Dec 11 07:17:40 2016
> Build Host  : vm0065.workers-phx.ovirt.org
> Relocations : (not relocatable)
> URL : http://www.ovirt.org
> Summary : JsonRpc java client (vdsm-jsonrpc-java) for oVirt
> Description :
> vdsm jsonrpc java
> [root@prd-rbs-ovirt01-poa ~]# uptime
>  15:15:11 up 19 min,  1 user,  load average: 0.50, 0.46, 0.37
> [root@prd-rbs-ovirt01-poa ~]# last | head
> rogerio_ pts/010.40.134.150    Fri Jan  6 15:06   still logged in
>
> reboot   system boot  3.10.0-514.2.2.e Fri Jan  6 14:56 - 15:15  (00:19)
>
> rogerio_ pts/010.40.134.150Fri Jan  6 14:46 - 14:55  (00:08)
>
> reboot   system boot  3.10.0-514.2.2.e Fri Jan  6 10:11 - 14:55  (04:44)
>
> rogerio_ pts/010.40.134.150Fri Jan  6 09:56 - 10:10  (00:14)
>
> reboot   syst

Re: [ovirt-users] oVirt Engine 4.0.5 and CentOS 7.3 Instability

2017-01-06 Thread Rogério Ceni Coelho 
AndVdsVDSCommandParametersBase:{runAsync='true',
hostId='f7842244-646c-400a-9736-f8d4aa9b1cef', vds='Host[
prd-rbs-ovirt-kvm03-poa.rbs.com.br,f7842244-646c-400a-9736-f8d4aa9b1cef]'})'
execution failed: VDSGenericException: VDSNetworkException: Heartbeat
exceeded
2017-01-06 16:27:49,666 ERROR
[org.ovirt.engine.core.vdsbroker.vdsbroker.GetAllVmStatsVDSCommand]
(DefaultQuartzScheduler7) [68fa51f0] Command
'GetAllVmStatsVDSCommand(HostName = prd-rbs-ovirt-kvm11-poa.rbs.com.br,
VdsIdAndVdsVDSCommandParametersBase:{runAsync='true',
hostId='d3c5cf1f-b203-4818-9767-5249387e3553', vds='Host[
prd-rbs-ovirt-kvm11-poa.rbs.com.br,d3c5cf1f-b203-4818-9767-5249387e3553]'})'
execution failed: VDSGenericException: VDSNetworkException: Heartbeat
exceeded
2017-01-06 16:27:49,667 ERROR
[org.ovirt.engine.core.vdsbroker.vdsbroker.GetAllVmStatsVDSCommand]
(DefaultQuartzScheduler11) [2d5a3838] Command
'GetAllVmStatsVDSCommand(HostName = prd-rbs-ovirt-kvm19-poa.rbs.com.br,
VdsIdAndVdsVDSCommandParametersBase:{runAsync='true',
hostId='887b6e35-1fd1-4cd6-9e78-05bcab12a417', vds='Host[
prd-rbs-ovirt-kvm19-poa.rbs.com.br,887b6e35-1fd1-4cd6-9e78-05bcab12a417]'})'
execution failed: VDSGenericException: VDSNetworkException: Heartbeat
exceeded
2017-01-06 16:27:49,682 ERROR [org.ovirt.vdsm.jsonrpc.client.JsonRpcClient]
(ResponseWorker) [] Not able to update response for
"edd8b375-4598-4671-a2cf-0d62fc9bdd0a"


Em sex, 6 de jan de 2017 às 15:16, Rogério Ceni Coelho <
rogeriocenicoe...@gmail.com> escreveu:

> After apply the new vdsm-json package ? Yes, restart hole vm. :-(
>
> [root@prd-rbs-ovirt01-poa ~]#  rpm -q
> vdsm-jsonrpc-java-1.2.10-1.20161211091707.gitaf70e3f.el7.centos.noarch
> vdsm-jsonrpc-java-1.2.10-1.20161211091707.gitaf70e3f.el7.centos.noarch
>
> [root@prd-rbs-ovirt01-poa ~]#  rpm -qi
> vdsm-jsonrpc-java-1.2.10-1.20161211091707.gitaf70e3f.el7.centos.noarch
> Name: vdsm-jsonrpc-java
> Version : 1.2.10
> Release : 1.20161211091707.gitaf70e3f.el7.centos
> Architecture: noarch
> Install Date: Fri Jan  6 09:57:25 2017
> Group   : Development/Libraries
> Size: 144305
> License : LGPLv2+
> Signature   : (none)
> Source RPM  :
> vdsm-jsonrpc-java-1.2.10-1.20161211091707.gitaf70e3f.el7.centos.src.rpm
> Build Date  : Sun Dec 11 07:17:40 2016
> Build Host  : vm0065.workers-phx.ovirt.org
> Relocations : (not relocatable)
> URL : http://www.ovirt.org
> Summary : JsonRpc java client (vdsm-jsonrpc-java) for oVirt
> Description :
> vdsm jsonrpc java
> [root@prd-rbs-ovirt01-poa ~]# uptime
>  15:15:11 up 19 min,  1 user,  load average: 0.50, 0.46, 0.37
> [root@prd-rbs-ovirt01-poa ~]# last | head
> rogerio_ pts/010.40.134.150Fri Jan  6 15:06   still logged in
>
> reboot   system boot  3.10.0-514.2.2.e Fri Jan  6 14:56 - 15:15  (00:19)
>
> rogerio_ pts/010.40.134.150Fri Jan  6 14:46 - 14:55  (00:08)
>
> reboot   system boot  3.10.0-514.2.2.e Fri Jan  6 10:11 - 14:55  (04:44)
>
> rogerio_ pts/010.40.134.150Fri Jan  6 09:56 - 10:10  (00:14)
>
> reboot   system boot  3.10.0-514.2.2.e Fri Jan  6 09:55 - 10:11  (00:15)
>
> rogerio_ pts/010.40.134.150Fri Jan  6 09:53 - 09:53  (00:00)
>
> reboot   system boot  3.10.0-514.2.2.e Thu Jan  5 10:00 - 10:11 (1+00:10)
>
> rogerio_ pts/010.40.134.150Thu Jan  5 09:59 - 09:59  (00:00)
>
> reboot   system boot  3.10.0-514.2.2.e Wed Jan  4 14:53 - 10:11 (1+19:18)
>
> [root@prd-rbs-ovirt01-poa ~]#
>
>
> Em sex, 6 de jan de 2017 às 15:12, Pavel Gashev <p...@acronis.com>
> escreveu:
>
> Rogério,
>
>
>
> Did you restart the engine?
>
>
>
> *From: *Rogério Ceni Coelho <rogeriocenicoe...@gmail.com>
> *Date: *Friday 6 January 2017 at 19:56
> *To: *Pavel Gashev <p...@acronis.com>, users <users@ovirt.org>
> *Subject: *Re: [ovirt-users] oVirt Engine 4.0.5 and CentOS 7.3 Instability
>
>
>
> Pavel and oVirt Admins,
>
>
>
> Problem still the same ... Take a look ...
>
>
>
> [image: asted1]
>
> [root@prd-rbs-ovirt01-poa ~]# tail -f /var/log/ovirt-engine/engine.log
>
> 2017-01-06 14:24:48,145 WARN  [org.ovirt.engine.core.vdsbroker.VdsManager]
> (org.ovirt.thread.pool-6-thread-34) [] Host '
> prd-rbs-ovirt-kvm19-poa.rbs.com.br' is not responding. It will stay in
> Connecting state for a grace period of 62 seconds and after that an attempt
> to fence the host will be issued.
>
> 2017-01-06 14:24:48,168 WARN
>  [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector]
> (org.ovirt.thread.pool-6-thread-34) [] Correlation ID: null, Call Stack:
> null, Custom Event ID: -1, Message: Host
> prd-rbs-ovirt-kvm19-poa.rbs.com.br is not responding. It will stay in
> Connecting state for a grace period of 62

Re: [ovirt-users] oVirt Engine 4.0.5 and CentOS 7.3 Instability

2017-01-05 Thread Rogério Ceni Coelho 
Hi Pavel and oVirt Elves,

Today, I install vdsm-jsonrpc-java. Take a look. Let´s see if problem are
solve. Thanks again.

[root@hlg-rbs-ovirt01-poa ~]# rpm -qa | grep -i vdsm-jsonrpc
vdsm-jsonrpc-java-1.2.7-1.el7.centos.noarch
[root@hlg-rbs-ovirt01-poa ~]# wget
http://resources.ovirt.org/pub/ovirt-4.0-snapshot/rpm/el7/noarch/vdsm-jsonrpc-java-1.2.10-1.20161211091707.gitaf70e3f.el7.centos.noarch.rpm
--2017-01-05 17:52:51--
http://resources.ovirt.org/pub/ovirt-4.0-snapshot/rpm/el7/noarch/vdsm-jsonrpc-java-1.2.10-1.20161211091707.gitaf70e3f.el7.centos.noarch.rpm
Resolving resources.ovirt.org (resources.ovirt.org)... 66.187.230.28
Connecting to resources.ovirt.org (resources.ovirt.org)|66.187.230.28|:80...
connected.
HTTP request sent, awaiting response... 200 OK
Length: 123420 (121K) [application/x-rpm]
Saving to:
'vdsm-jsonrpc-java-1.2.10-1.20161211091707.gitaf70e3f.el7.centos.noarch.rpm'

100%[=>]
123,420  202KB/s   in 0.6s

2017-01-05 17:52:52 (202 KB/s) -
'vdsm-jsonrpc-java-1.2.10-1.20161211091707.gitaf70e3f.el7.centos.noarch.rpm'
saved [123420/123420]

[root@hlg-rbs-ovirt01-poa ~]# ll
vdsm-jsonrpc-java-1.2.10-1.20161211091707.gitaf70e3f.el7.centos.noarch.rpm
-rw-r--r--. 1 root root 123420 Jan  4 22:39
vdsm-jsonrpc-java-1.2.10-1.20161211091707.gitaf70e3f.el7.centos.noarch.rpm
[root@hlg-rbs-ovirt01-poa ~]# rpm -Uvh
vdsm-jsonrpc-java-1.2.10-1.20161211091707.gitaf70e3f.el7.centos.noarch.rpm
Preparing...  #
[100%]
Updating / installing...
   1:vdsm-jsonrpc-java-1.2.10-1.201612# [
50%]
Cleaning up / removing...
   2:vdsm-jsonrpc-java-1.2.7-1.el7.cen#
[100%]
[root@hlg-rbs-ovirt01-poa ~]#


Em qua, 4 de jan de 2017 às 17:17, Rogério Ceni Coelho <
rogeriocenicoe...@gmail.com> escreveu:

> Wonderfull ... Seems to be the original problem with me on 4.0.5 ... I
> will try this and do some feedback about soon ...
>
> Thanks 
>
> Em qua, 4 de jan de 2017 às 17:08, Pavel Gashev <p...@acronis.com>
> escreveu:
>
> Rogério,
>
>
>
> It looks like https://bugzilla.redhat.com/show_bug.cgi?id=1401585
>
>
>
> Please try to install the following package, and restart the engine.
>
>
> http://resources.ovirt.org/pub/ovirt-4.0-snapshot/rpm/el7/noarch/vdsm-jsonrpc-java-1.2.10-1.20161211091707.gitaf70e3f.el7.centos.noarch.rpm
>
>
>
>
>
> *From: *<users-boun...@ovirt.org> on behalf of Rogério Ceni Coelho <
> rogeriocenicoe...@gmail.com>
> *Date: *Monday 2 January 2017 at 21:51
> *To: *users <users@ovirt.org>
> *Subject: *[ovirt-users] oVirt Engine 4.0.5 and CentOS 7.3 Instability
>
>
>
> Hi oVirt Gurus,
>
>
>
> Happy new year to everyone !!!
>
>
>
> I update oVirt Engine to 4.0.5 from 4.0.4 and Centos to 7.3 from 7.2 last
> week and after that I have instability four times. Every time ovirt engine
> seems to loose communication with one or more node servers like this image
> below. Every time I rebooted oVirt engine server and everything came back
> to normal.
>
>
>
> Anyone with this kind of problem ???
>
>
>
> [image: asted1]
>
>
>
> After reboot :
>
>
>
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