[ovirt-users] Re: Host non-responsive after yum update CentOS7/Ovirt3.6

[Николаев Алексей]

oVirt 3.6 support and work well only on node with CentOS 7.3 or oVirt Node NG 4.1. I recommend using with oVirt 3.6 only CentOS 7.3 vault repo. http://vault.centos.org/7.3.1611/  23.01.2019, 19:29, "Sandro Bonazzola" :  Il giorno mar 1 gen 2019 alle ore 03:26  ha scritto:Hi, I working on a CentOS7 based Ovirt 3.6 system (ovirt-engine/db on one machine, two separate ovirt vm hosts) which has been running fine but mostly ignored for 2-3 of years.  Recently it was decided to update the OS as it was far behind on security updates, so one host was put into maintenance mode, yum update'd, rebooted, and then it was attempted to take out of maintenance mode but it's "non-responsive" now. Hi, please note oVirt 3.6 is no longer supported.While waiting for 4.3 I would recommend to replace the non-responsive node with an oVirt 4.2.8 + CentOS 7.6 or oVirt Node 4.2.8 and plan to upgrade the whole data center.If I look in /var/log/ovirt-engine/engine.log on the engine machine I see for this host (vmserver2):"ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.GetCapabilitiesVDSCommand] (DefaultQuartzScheduler_Worker-36) [2bc0978d] Command 'GetCapabilitiesVDSCommand(HostName = vmserver2, VdsIdAndVdsVDSCommandParametersBase:{runAsync='true', hostId='6725086f-42c0-40eb-91f1-0f2411ea9432', vds='Host[vmserver2,6725086f-42c0-40eb-91f1-0f2411ea9432]'})' execution failed: org.ovirt.vdsm.jsonrpc.client.ClientConnectionException: Connection failed"  and thereafter more errors.  This keep repeating in the log.In the Ovirt GUI I see multiple occurrences of log entries for the problem host:"vmserver2...command failed: Vds timeout occurred""vmserver2...command failed: Heartbeat exceeded""vmserver2...command failed: internal error: Unknown CPU model Broadwell-noTSX-IBRS"Firewall rules look identical to the host which is working normally but has not been updated.Any thoughts about how to fix or further troubleshoot this?___Users mailing list -- users@ovirt.orgTo unsubscribe send an email to users-le...@ovirt.orgPrivacy Statement: https://www.ovirt.org/site/privacy-policy/oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/HVP2YCIYGSFN7OCDOYWIFX2CDN4LTJBR/  --SANDRO BONAZZOLAMANAGER, SOFTWARE ENGINEERING, EMEA R RHVRed Hat EMEAsbona...@redhat.com   ,___Users mailing list -- users@ovirt.orgTo unsubscribe send an email to users-le...@ovirt.orgPrivacy Statement: https://www.ovirt.org/site/privacy-policy/oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/HTSLJ4CZSUS5GTVZT22475V7URODR3KR/___
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[ovirt-users] Re: Host non-responsive after yum update CentOS7/Ovirt3.6

[Sandro Bonazzola]

Il giorno mar 1 gen 2019 alle ore 03:26  ha scritto:

> Hi, I working on a CentOS7 based Ovirt 3.6 system (ovirt-engine/db on one
> machine, two separate ovirt vm hosts) which has been running fine but
> mostly ignored for 2-3 of years.  Recently it was decided to update the OS
> as it was far behind on security updates, so one host was put into
> maintenance mode, yum update'd, rebooted, and then it was attempted to take
> out of maintenance mode but it's "non-responsive" now.
>

Hi, please note oVirt 3.6 is no longer supported.
While waiting for 4.3 I would recommend to replace the non-responsive node
with an oVirt 4.2.8 + CentOS 7.6 or oVirt Node 4.2.8 and plan to upgrade
the whole data center.





>
> If I look in /var/log/ovirt-engine/engine.log on the engine machine I see
> for this host (vmserver2):
>
> "ERROR
> [org.ovirt.engine.core.vdsbroker.vdsbroker.GetCapabilitiesVDSCommand]
> (DefaultQuartzScheduler_Worker-36) [2bc0978d] Command
> 'GetCapabilitiesVDSCommand(HostName = vmserver2,
> VdsIdAndVdsVDSCommandParametersBase:{runAsync='true',
> hostId='6725086f-42c0-40eb-91f1-0f2411ea9432',
> vds='Host[vmserver2,6725086f-42c0-40eb-91f1-0f2411ea9432]'})' execution
> failed: org.ovirt.vdsm.jsonrpc.client.ClientConnectionException: Connection
> failed"  and thereafter more errors.  This keep repeating in the log.
>
> In the Ovirt GUI I see multiple occurrences of log entries for the problem
> host:
>
> "vmserver2...command failed: Vds timeout occurred"
> "vmserver2...command failed: Heartbeat exceeded"
> "vmserver2...command failed: internal error: Unknown CPU model
> Broadwell-noTSX-IBRS"
>
> Firewall rules look identical to the host which is working normally but
> has not been updated.
>
> Any thoughts about how to fix or further troubleshoot this?
> ___
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>


-- 

SANDRO BONAZZOLA

MANAGER, SOFTWARE ENGINEERING, EMEA R RHV

Red Hat EMEA 

sbona...@redhat.com

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[ovirt-users] Re: Host non-responsive after yum update CentOS7/Ovirt3.6

[Dan Kenigsberg]

On Sat, Jan 19, 2019 at 9:14 PM Jason Herring  wrote:
>
> If I try to run "vdsm-tool restore-nets", which is what starting the
> vdsm-network.service seems to do first, I get the following:
>
> ( a large number of lines of the first error)
>
> ..
>
> libvirt: XML-RPC error : authentication failed: authentication failed
> libvirt: XML-RPC error : authentication failed: authentication failed
> libvirt: XML-RPC error : authentication failed: authentication failed
> libvirt: XML-RPC error : authentication failed: authentication failed
> Traceback (most recent call last):
>File "/usr/share/vdsm/vdsm-restore-net-config", line 476, in 
>  restore(args)
>File "/usr/share/vdsm/vdsm-restore-net-config", line 434, in restore
>  _restore_sriov_numvfs()
>File "/usr/share/vdsm/vdsm-restore-net-config", line 84, in
> _restore_sriov_numvfs
>  sriov_devices = _get_sriov_devices()
>File "/usr/share/vdsm/vdsm-restore-net-config", line 56, in
> _get_sriov_devices
>  devices = hostdev.list_by_caps()
>File "/usr/share/vdsm/hostdev.py", line 219, in list_by_caps
>  libvirt_devices = _get_devices_from_libvirt()
>File "/usr/share/vdsm/hostdev.py", line 204, in _get_devices_from_libvirt
>  for device in libvirtconnection.get().listAllDevices(0))
>File "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py",
> line 164, in get
>  password)
>File "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py",
> line 100, in open_connection
>  return utils.retry(libvirtOpen, timeout=10, sleep=0.2)
>File "/usr/lib/python2.7/site-packages/vdsm/utils.py", line 959, in retry
>  return func()
>File "/usr/lib64/python2.7/site-packages/libvirt.py", line 104, in
> openAuth
>  if ret is None:raise libvirtError('virConnectOpenAuth() failed')
> libvirt.libvirtError: authentication failed: authentication failed

This is what happens when libvirt is not configured to work with vdsm.
Can you share your /etc/libvirt/libvirtd.conf?
Would you try `vdsm-tool configure --force` ? (bad for debugging root
cause, but can just fix your issue)


> Traceback (most recent call last):
>File "/usr/bin/vdsm-tool", line 219, in main
>  return tool_command[cmd]["command"](*args)
>File "/usr/lib/python2.7/site-packages/vdsm/tool/restore_nets.py",
> line 41, in restore_command
>  exec_restore(cmd)
>File "/usr/lib/python2.7/site-packages/vdsm/tool/restore_nets.py",
> line 54, in exec_restore
>  raise EnvironmentError('Failed to restore the persisted networks')
> EnvironmentError: Failed to restore the persisted networks
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[ovirt-users] Re: Host non-responsive after yum update CentOS7/Ovirt3.6

[Jason Herring]

If I try to run "vdsm-tool restore-nets", which is what starting the 
vdsm-network.service seems to do first, I get the following:


( a large number of lines of the first error)

..

libvirt: XML-RPC error : authentication failed: authentication failed
libvirt: XML-RPC error : authentication failed: authentication failed
libvirt: XML-RPC error : authentication failed: authentication failed
libvirt: XML-RPC error : authentication failed: authentication failed
Traceback (most recent call last):
  File "/usr/share/vdsm/vdsm-restore-net-config", line 476, in 
    restore(args)
  File "/usr/share/vdsm/vdsm-restore-net-config", line 434, in restore
    _restore_sriov_numvfs()
  File "/usr/share/vdsm/vdsm-restore-net-config", line 84, in 
_restore_sriov_numvfs

    sriov_devices = _get_sriov_devices()
  File "/usr/share/vdsm/vdsm-restore-net-config", line 56, in 
_get_sriov_devices

    devices = hostdev.list_by_caps()
  File "/usr/share/vdsm/hostdev.py", line 219, in list_by_caps
    libvirt_devices = _get_devices_from_libvirt()
  File "/usr/share/vdsm/hostdev.py", line 204, in _get_devices_from_libvirt
    for device in libvirtconnection.get().listAllDevices(0))
  File "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py", 
line 164, in get

    password)
  File "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py", 
line 100, in open_connection

    return utils.retry(libvirtOpen, timeout=10, sleep=0.2)
  File "/usr/lib/python2.7/site-packages/vdsm/utils.py", line 959, in retry
    return func()
  File "/usr/lib64/python2.7/site-packages/libvirt.py", line 104, in 
openAuth

    if ret is None:raise libvirtError('virConnectOpenAuth() failed')
libvirt.libvirtError: authentication failed: authentication failed
Traceback (most recent call last):
  File "/usr/bin/vdsm-tool", line 219, in main
    return tool_command[cmd]["command"](*args)
  File "/usr/lib/python2.7/site-packages/vdsm/tool/restore_nets.py", 
line 41, in restore_command

    exec_restore(cmd)
  File "/usr/lib/python2.7/site-packages/vdsm/tool/restore_nets.py", 
line 54, in exec_restore

    raise EnvironmentError('Failed to restore the persisted networks')
EnvironmentError: Failed to restore the persisted networks
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[ovirt-users] Re: Host non-responsive after yum update CentOS7/Ovirt3.6

[Jason Herring]

So, I try to manually start vdsm-network.service and see this, 
suggesting I look in upgrade.log:



# systemctl status vdsm-network.service
● vdsm-network.service - Virtual Desktop Server Manager network restoration
   Loaded: loaded (/usr/lib/systemd/system/vdsm-network.service; 
enabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since Sat 2019-01-19 10:25:02 
PST; 8s ago
  Process: 6845 ExecStart=/usr/bin/vdsm-tool restore-nets (code=exited, 
status=1/FAILURE)
  Process: 6837 ExecStartPre=/usr/bin/vdsm-tool --vvverbose --append 
--logfile=/var/log/vdsm/upgrade.log upgrade-unified-persistence 
(code=exited, status=0/SUCCESS)

 Main PID: 6845 (code=exited, status=1/FAILURE)

Jan 19 10:25:02 vmserver2 vdsm-tool[6845]: return 
tool_command[cmd]["command"](*args)
Jan 19 10:25:02 vmserver2 vdsm-tool[6845]: File 
"/usr/lib/python2.7/site-packages/vdsm/tool/restore_nets.py", line 41, 
in restore_command

Jan 19 10:25:02 vmserver2 vdsm-tool[6845]: exec_restore(cmd)
Jan 19 10:25:02 vmserver2 vdsm-tool[6845]: File 
"/usr/lib/python2.7/site-packages/vdsm/tool/restore_nets.py", line 54, 
in exec_restore
Jan 19 10:25:02 vmserver2 vdsm-tool[6845]: raise 
EnvironmentError('Failed to restore the persisted networks')
Jan 19 10:25:02 vmserver2 vdsm-tool[6845]: EnvironmentError: Failed to 
restore the persisted networks
Jan 19 10:25:02 vmserver2 systemd[1]: vdsm-network.service: main process 
exited, code=exited, status=1/FAILURE
Jan 19 10:25:02 vmserver2 systemd[1]: Failed to start Virtual Desktop 
Server Manager network restoration.
Jan 19 10:25:02 vmserver2 systemd[1]: Unit vdsm-network.service entered 
failed state.

Jan 19 10:25:02 vmserver2 systemd[1]: vdsm-network.service failed.


In upgrade.log I see this:


# cat upgrade.log
MainThread::DEBUG::2016-01-10 
10:54:47,615::upgrade::90::upgrade::(apply_upgrade) Running upgrade 
upgrade-unified-persistence
MainThread::DEBUG::2016-01-10 
10:54:47,623::libvirtconnection::160::root::(get) trying to connect libvirt
MainThread::DEBUG::2016-01-10 
10:54:47,639::netinfo::714::root::(_get_gateway) The gateway 192.168.1.1 
is duplicated for the device em1
MainThread::DEBUG::2016-01-10 10:54:47,647::utils::669::root::(execCmd) 
/sbin/ip route show to 0.0.0.0/0 table main (cwd None)
MainThread::DEBUG::2016-01-10 10:54:47,650::utils::687::root::(execCmd) 
SUCCESS:  = '';  = 0
MainThread::DEBUG::2016-01-10 
10:54:47,651::unified_persistence::46::root::(run) 
upgrade-unified-persistence upgrade persisting networks {} and bondings {}
MainThread::INFO::2016-01-10 
10:54:47,651::netconfpersistence::179::root::(_clearDisk) Clearing 
/var/run/vdsm/netconf/nets/ and /var/run/vdsm/netconf/bonds/
MainThread::DEBUG::2016-01-10 
10:54:47,651::netconfpersistence::187::root::(_clearDisk) No existent 
config to clear.
MainThread::INFO::2016-01-10 
10:54:47,652::netconfpersistence::179::root::(_clearDisk) Clearing 
/var/run/vdsm/netconf/nets/ and /var/run/vdsm/netconf/bonds/
MainThread::DEBUG::2016-01-10 
10:54:47,652::netconfpersistence::187::root::(_clearDisk) No existent 
config to clear.
MainThread::INFO::2016-01-10 
10:54:47,652::netconfpersistence::129::root::(save) Saved new config 
RunningConfig({}, {}) to /var/run/vdsm/netconf/nets/ and 
/var/run/vdsm/netconf/bonds/
MainThread::DEBUG::2016-01-10 10:54:47,652::utils::669::root::(execCmd) 
/usr/share/vdsm/vdsm-store-net-config unified (cwd None)
MainThread::DEBUG::2016-01-10 10:54:47,672::utils::687::root::(execCmd) 
SUCCESS:  = 'cp: cannot stat 
\xe2\x80\x98/var/run/vdsm/netconf\xe2\x80\x99: No such file or 
directory\n';  = 0
MainThread::DEBUG::2016-01-10 
10:54:47,672::upgrade::51::upgrade::(_upgrade_seal) Upgrade 
upgrade-unified-persistence successfully performed


I see some references to allowing duplicate gateways if identical on the 
mailing list...

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[ovirt-users] Re: Host non-responsive after yum update CentOS7/Ovirt3.6

[Jason Herring]

I assumed that if ovirt3.6 required older versions of CentOS7, etc, it 
would not allow the yum update due to dependency.  I guess that's a bad 
assumption.


vdsm does not start in fact.  Here's the journal when attempting to 
start it.



# journalctl -xe
Jan 19 10:13:36 vmserver2 vdsm-tool[6794]: libvirt.libvirtError: 
authentication failed: authentication failed
Jan 19 10:13:36 vmserver2 vdsm-tool[6794]: Traceback (most recent call 
last):
Jan 19 10:13:36 vmserver2 vdsm-tool[6794]: File "/usr/bin/vdsm-tool", 
line 219, in main
Jan 19 10:13:36 vmserver2 vdsm-tool[6794]: return 
tool_command[cmd]["command"](*args)
Jan 19 10:13:36 vmserver2 vdsm-tool[6794]: File 
"/usr/lib/python2.7/site-packages/vdsm/tool/restore_nets.py", line 41, 
in restore_command

Jan 19 10:13:36 vmserver2 vdsm-tool[6794]: exec_restore(cmd)
Jan 19 10:13:36 vmserver2 vdsm-tool[6794]: File 
"/usr/lib/python2.7/site-packages/vdsm/tool/restore_nets.py", line 54, 
in exec_restore
Jan 19 10:13:36 vmserver2 vdsm-tool[6794]: raise 
EnvironmentError('Failed to restore the persisted networks')
Jan 19 10:13:36 vmserver2 vdsm-tool[6794]: EnvironmentError: Failed to 
restore the persisted networks
Jan 19 10:13:36 vmserver2 systemd[1]: vdsm-network.service: main process 
exited, code=exited, status=1/FAILURE
Jan 19 10:13:36 vmserver2 systemd[1]: Failed to start Virtual Desktop 
Server Manager network restoration.

-- Subject: Unit vdsm-network.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit vdsm-network.service has failed.
--
-- The result is failed.
Jan 19 10:13:36 vmserver2 systemd[1]: Dependency failed for Virtual 
Desktop Server Manager.

-- Subject: Unit vdsmd.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit vdsmd.service has failed.
--
-- The result is dependency.
Jan 19 10:13:36 vmserver2 systemd[1]: Dependency failed for MOM instance 
configured for VDSM purposes.

-- Subject: Unit mom-vdsm.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit mom-vdsm.service has failed.
--
-- The result is dependency.
Jan 19 10:13:36 vmserver2 systemd[1]: Job mom-vdsm.service/start failed 
with result 'dependency'.
Jan 19 10:13:36 vmserver2 systemd[1]: Job vdsmd.service/start failed 
with result 'dependency'.
Jan 19 10:13:36 vmserver2 systemd[1]: Unit vdsm-network.service entered 
failed state.

Jan 19 10:13:36 vmserver2 systemd[1]: vdsm-network.service failed.
Jan 19 10:13:36 vmserver2 polkitd[4789]: Unregistered Authentication 
Agent for unix-process:6781:161167654 (system bus name :1.953, object 
path /org/freedesktop/Policy

lines 2643-2681/2681 (END)
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[ovirt-users] Re: Host non-responsive after yum update CentOS7/Ovirt3.6

[Yedidyah Bar David]

On Tue, Jan 1, 2019 at 4:26 AM  wrote:
>
> Hi, I working on a CentOS7 based Ovirt 3.6 system (ovirt-engine/db on one 
> machine, two separate ovirt vm hosts) which has been running fine but mostly 
> ignored for 2-3 of years.  Recently it was decided to update the OS as it was 
> far behind on security updates, so one host was put into maintenance mode, 
> yum update'd, rebooted, and then it was attempted to take out of maintenance 
> mode but it's "non-responsive" now.
>
> If I look in /var/log/ovirt-engine/engine.log on the engine machine I see for 
> this host (vmserver2):
>
> "ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.GetCapabilitiesVDSCommand] 
> (DefaultQuartzScheduler_Worker-36) [2bc0978d] Command 
> 'GetCapabilitiesVDSCommand(HostName = vmserver2, 
> VdsIdAndVdsVDSCommandParametersBase:{runAsync='true', 
> hostId='6725086f-42c0-40eb-91f1-0f2411ea9432', 
> vds='Host[vmserver2,6725086f-42c0-40eb-91f1-0f2411ea9432]'})' execution 
> failed: org.ovirt.vdsm.jsonrpc.client.ClientConnectionException: Connection 
> failed"  and thereafter more errors.  This keep repeating in the log.
>
> In the Ovirt GUI I see multiple occurrences of log entries for the problem 
> host:
>
> "vmserver2...command failed: Vds timeout occurred"
> "vmserver2...command failed: Heartbeat exceeded"
> "vmserver2...command failed: internal error: Unknown CPU model 
> Broadwell-noTSX-IBRS"
>
> Firewall rules look identical to the host which is working normally but has 
> not been updated.
>
> Any thoughts about how to fix or further troubleshoot this?

Please note that 3.6 is old and was not tested with recent CentOS
(at least AFAIK).

Does vdsm manage to start? Please check/share its logs. Thanks.

Best regards,
-- 
Didi
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