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Add more hosts
by Davide Ferrari 15 Sep '16

15 Sep '16

Hello again as I said I'm a beginner with OVirt and I was playing with a proof-of-concept cluster with OVirt 4.0 + GlusterFS 3.8, following this guide http://www.ovirt.org/blog/2016/03/up-and-running-with-ovirt-3-6/ (it works smoothly with 4.0 too) I've created the cluster and the engine is running as an higly available VM in the cluster itself with hosted-engine --deploy but now I want to add a fourth machine to the cluster but I get this error: Cannot automatically add the host to cluster Default: Cannot add Host. There is no available server in the cluster to probe the new server. both if I try to add an host from Ovirt AAdmin GUI or if I try to run "hosted-engine --deploy" on the new machine. Is it possible to have this cluster conf (with the engine running as a VM) with 4 or more machines? What thing should I have to do? Thanks in advance -- Davide Ferrari Senior Systems Engineer

2 10

[ANN] oVirt 4.0.4 Third Release Candidate is now available
by Sandro Bonazzola 15 Sep '16

15 Sep '16

The oVirt Project is pleased to announce the availability of the Third Release Candidate of oVirt 4.0.4 for testing, as of September 15th, 2016. This release is available now for: * Fedora 23 (tech preview) * Red Hat Enterprise Linux 7.2 or later * CentOS Linux (or similar) 7.2 or later This release supports Hypervisor Hosts running: * Red Hat Enterprise Linux 7.2 or later * CentOS Linux (or similar) 7.2 or later * Fedora 23 (tech preview) * oVirt Next Generation Node 4.0 This is pre-release software. Please take a look at our community page[1] to know how to ask questions and interact with developers and users. All issues or bugs should be reported via oVirt Bugzilla[2]. This pre-release should not to be used in production. This update is the third release candidate of the fourth in a series of stabilization updates to the 4.0 series. 4.0.4 brings 13 enhancements and 127 bugfixes, including 48 high or urgent severity fixes, on top of oVirt 4.0 series See the release notes [3] for installation / upgrade instructions and a list of new features and bugs fixed. Notes: * A new oVirt Live ISO is available. [4] * A new oVirt Next Generation Node is available [4]. * A new oVirt Engine Appliance is available for Red Hat Enterprise Linux and CentOS Linux (or similar) * Mirrors[5] might need up to one day to synchronize. Additional Resources: * Read more about the oVirt 4.0.4 release highlights: http://www.ovirt.org/release/4.0.4/ * Get more oVirt Project updates on Twitter: https://twitter.com/ovirt * Check out the latest project news on the oVirt blog: http://www.ovirt.org/blog/ [1] https://www.ovirt.org/community/ [2] https://bugzilla.redhat.com/enter_bug.cgi?classification=oVirt [3] http://www.ovirt.org/release/4.0.4/ [4] http://resources.ovirt.org/pub/ovirt-4.0-pre/iso/ [5] http://www.ovirt.org/Repository_mirrors#Current_mirrors -- Sandro Bonazzola Better technology. Faster innovation. Powered by community collaboration. See how it works at redhat.com

1 0

mrtg/rrdtool graphs
by Bill Bill 15 Sep '16

15 Sep '16

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2 1

oVirt on a single server
by zero four 15 Sep '16

15 Sep '16

My current understanding is that oVirt no longer supports any single-server configuration since the All-In-One install was removed in 3.6. While the hosted-engine install was supposed to replace it, it requires either networked storage (nfs, iscsi) or Glusterfs. To my knowledge nfs/iscsi exported to localhost is not supported, so I would need at least 2 machines. Furthermore Gluster requires at least 3 sources of storage for quorum (it would be great if there was an option to acknowledge the risks and continue), meaning a single machine is not practical. I understand and acknowledge that oVirt is not targeted towards homelab setups, or at least small homelab setups. However I believe that having a solid configuration for such use cases would be a benefit to the project as a whole. It allows oVirt to be much more visible in the homelab community, and more accessible to testing which in turn yields more people who have experience with oVirt. As it stands most other virtualization products allow for usage (not just a livecd) in a single server environment, although not all features can be used of course. vSphere, Xenserver, Proxmox, FIFO, and Nutanix all allow an installation on a single server. It appears that oVirt/RHV is the odd-one out - and it honestly shows when you look at what people talk about online - there is a huge gap between even Proxmox and oVirt when it comes to mindshare in the tech community, and it does not favor oVirt.

9 17

Host installation failed. Command returned failure code 1 during SSH session 'root@ovirt.vmz'.
by Vitor Mazuco 15 Sep '16

15 Sep '16

Hi, how can I install a host machine in a CentOS 6.4 using a Ovirt 3.6? I'm use a Centos in a VirtualBox, because I use Ubuntu in my real machine. Is not possible to use a Ovirt in a CentOs in a VirtualBox? Thanks in advanced.

2 1

Limit DWH database size
by nicolas＠devels.es 15 Sep '16

15 Sep '16

Hi, Since we upgraded to 4.0.x, DWH's PostgreSQL database is getting really huge. Is there a clean way to limit its size, like setting a maximal retention time for DWH data? Thanks.

5 6

Promiscuous mode
by qinglong.dong＠horebdata.cn 15 Sep '16

15 Sep '16

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3 3

oVirt Node Network conf X DNS
by Rogério Ceni Coelho 15 Sep '16

15 Sep '16

Hi oVirt Users and Admins !!! I am installing ovirt 4.0.3 and do above conf on my OVirt Node using bond and vlan. When I add this host to ovirt engine and associate ovirtmgmt network with same tag vlan number 1051, DNS conf was overwrited by vdsm. So, as i do not find any way to set DNS on ovirt engine network conf i think that for ovirt nodes i need to use another network that i do not plan to use with virtual machines ( because if i add a new network on ovirt engine with same tag vlan number the ovirt node conf will be overwrited by vdsm ). Before add to ovirt engine : [root@prd-rbs-ovirt-kvm01-poa ~]# ip addr 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: em1: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master bond0 state UP qlen 1000 link/ether 5c:26:0a:fd:0a:cc brd ff:ff:ff:ff:ff:ff 3: em2: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master bond0 state UP qlen 1000 link/ether 5c:26:0a:fd:0a:cc brd ff:ff:ff:ff:ff:ff 4: p3p1: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master bond0 state UP qlen 1000 link/ether 5c:26:0a:fd:0a:cc brd ff:ff:ff:ff:ff:ff 5: p3p2: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master bond0 state UP qlen 1000 link/ether 5c:26:0a:fd:0a:cc brd ff:ff:ff:ff:ff:ff 6: bond0: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP link/ether 5c:26:0a:fd:0a:cc brd ff:ff:ff:ff:ff:ff inet6 fe80::5e26:aff:fefd:acc/64 scope link valid_lft forever preferred_lft forever 7: bond0.1051@bond0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP link/ether 5c:26:0a:fd:0a:cc brd ff:ff:ff:ff:ff:ff inet 10.151.252.222/22 brd 10.151.255.255 scope global bond0.1051 valid_lft forever preferred_lft forever inet6 fe80::5e26:aff:fefd:acc/64 scope link valid_lft forever preferred_lft forever [root@prd-rbs-ovirt-kvm01-poa ~]# cat /etc/resolv.conf # Generated by NetworkManager search rbs.com.br rbs.net clicrbs.com.br srvr.rbs.net nameserver 10.236.68.62 nameserver 10.1.1.40 nameserver 10.155.33.154 After : [root@prd-rbs-ovirt-kvm01-poa ~]# ip addr 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: em1: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master bond0 state UP qlen 1000 link/ether 5c:26:0a:fd:0a:cc brd ff:ff:ff:ff:ff:ff 3: em2: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master bond0 state UP qlen 1000 link/ether 5c:26:0a:fd:0a:cc brd ff:ff:ff:ff:ff:ff 4: p3p1: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master bond0 state UP qlen 1000 link/ether 5c:26:0a:fd:0a:cc brd ff:ff:ff:ff:ff:ff 5: p3p2: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master bond0 state UP qlen 1000 link/ether 5c:26:0a:fd:0a:cc brd ff:ff:ff:ff:ff:ff 6: bond0: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP link/ether 5c:26:0a:fd:0a:cc brd ff:ff:ff:ff:ff:ff 7: bond0.1051@bond0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master ovirtmgmt state UP link/ether fa:d3:c0:cd:dd:a3 brd ff:ff:ff:ff:ff:ff 8: ;vdsmdummy;: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN link/ether b2:8b:94:d9:d9:83 brd ff:ff:ff:ff:ff:ff 9: ovirtmgmt: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP link/ether fa:d3:c0:cd:dd:a3 brd ff:ff:ff:ff:ff:ff inet 10.151.252.222/22 brd 10.151.255.255 scope global ovirtmgmt valid_lft forever preferred_lft forever [root@prd-rbs-ovirt-kvm01-poa ~]# cat /etc/resolv.conf # Generated by NetworkManager search rbs.com.br # No nameservers found; try putting DNS servers into your # ifcfg files in /etc/sysconfig/network-scripts like so: # # DNS1=xxx.xxx.xxx.xxx # DNS2=xxx.xxx.xxx.xxx # DOMAIN=lab.foo.com bar.foo.com [root@prd-rbs-ovirt-kvm01-poa ~]# cat /etc/sysconfig/network-scripts/ifcfg-ovirtmgmt # Generated by VDSM version 4.18.11-1.el7.centos DEVICE=ovirtmgmt TYPE=Bridge DELAY=0 STP=off ONBOOT=yes IPADDR=10.151.252.222 NETMASK=255.255.252.0 GATEWAY=10.151.252.1 BOOTPROTO=none MTU=1500 DEFROUTE=yes NM_CONTROLLED=no IPV6INIT=no [root@prd-rbs-ovirt-kvm01-poa ~]#

2 2

proper update steps for HE (same major branch)
by Charles Kozler 15 Sep '16

15 Sep '16

I have my entire cluster running on oVirt 4. As updates become available, what is the correct method to upgrade within the same major version? My initial thought is: 1. From oVirt web update my individual nodes that are marked as "a new version is available" 2. Logon to oVirt web through SSH and then yum update -y there Or is it backwards? I just want to be sure so that I do not break hosted-engine because I had to rebuild entirely on oVirt 4 after I could not get the engines out of 'stale data' in hosted-engine --vm-status so I am very cautious to update I've read a couple posts on this list before but I want to be absolutely sure before I do this Thanks!

2 1

Failed to check for available updates on host * with message 'Command returned failure code 1 during SSH session 'root@*
by aleksey.maksimov＠it-kb.ru 15 Sep '16

15 Sep '16

Hello oVirt guru`s! oVirt Engine Version: 4.0.1.1-1.el7.centos Every day there is a message in web UI for one of my two hosts: "Failed to check for available updates on host KOM-AD01-VM31 with message 'Command returned failure code 1 during SSH session 'root(a)kom-ad01-vm31.holding.com''. In /var/log/ovirt-engine/engine.log at this time: ... 2016-09-12 01:59:45,045 INFO [org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase] (VdsDeploy) [] Stage: Initializing 2016-09-12 01:59:45,055 INFO [org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase] (VdsDeploy) [] Stage: Environment setup 2016-09-12 01:59:45,070 INFO [org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase] (VdsDeploy) [] Stage: Environment packages setup 2016-09-12 02:00:13,300 ERROR [org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase] (VdsDeploy) [] Yum Cannot queue package iproute: Cannot find a valid baseurl for repo: base/7/x86_64 2016-09-12 02:00:13,304 ERROR [org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase] (VdsDeploy) [] Failed to execute stage 'Environment packages setup': Cannot find a valid baseurl for repo: base/7/x86_64 2016-09-12 02:00:13,304 INFO [org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase] (VdsDeploy) [] Yum Performing yum transaction rollback 2016-09-12 02:00:13,368 INFO [org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase] (VdsDeploy) [] Stage: Pre-termination 2016-09-12 02:00:13,388 INFO [org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase] (VdsDeploy) [] Retrieving installation logs to: '/var/log/ovirt-engine/host-deploy/ovirt-host-mgmt-20160912020013-kom-ad01-vm31.holding.com-null.l$ 2016-09-12 02:00:13,459 INFO [org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase] (VdsDeploy) [] Stage: Termination 2016-09-12 02:00:13,506 ERROR [org.ovirt.engine.core.uutils.ssh.SSHDialog] (DefaultQuartzScheduler5) [] SSH error running command root(a)kom-ad01-vm31.holding.com:'umask 0077; MYTMP="$(TMPDIR="${OVIRT_TMPDIR}" mktemp -d -t ovirt-XXXXXXXXXX)"; trap "chmod -R u+rwX \"${MYTMP}\" > /dev/null 2>&1; rm -fr \"${MYTMP}\" > /dev/null 2>&1" 0; tar --warning=no-timestamp -C "${MYTMP}" -x && "${MYTMP}"/ovirt-host-mgmt DIALOG/dialect=str:machine DIALOG/customization=bool:True': Command returned failure code 1 during SSH session 'root(a)kom-ad01-vm31.holding.com' 2016-09-12 02:00:13,506 ERROR [org.ovirt.engine.core.uutils.ssh.SSHDialog] (DefaultQuartzScheduler5) [] Exception: java.io.IOException: Command returned failure code 1 during SSH session 'root(a)kom-ad01-vm31.holding.com' at org.ovirt.engine.core.uutils.ssh.SSHClient.executeCommand(SSHClient.java:526) [uutils.jar:] at org.ovirt.engine.core.uutils.ssh.SSHDialog.executeCommand(SSHDialog.java:317) [uutils.jar:] at org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase.execute(VdsDeployBase.java:563) [bll.jar:] at org.ovirt.engine.core.bll.host.HostUpgradeManager.isUpdateAvailable(HostUpgradeManager.java:44) [bll.jar:] at org.ovirt.engine.core.bll.host.AvailableUpdatesFinder.isUpdateAvailable(AvailableUpdatesFinder.java:26) [bll.jar:] at org.ovirt.engine.core.bll.VdsEventListener.isUpdateAvailable(VdsEventListener.java:553) [bll.jar:] at org.ovirt.engine.core.vdsbroker.ResourceManager.isUpdateAvailable(ResourceManager.java:510) [vdsbroker.jar:] at org.ovirt.engine.core.vdsbroker.VdsManager.availableUpdates(VdsManager.java:306) [vdsbroker.jar:] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.8.0_101] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) [rt.jar:1.8.0_101] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.8.0_101] at java.lang.reflect.Method.invoke(Method.java:498) [rt.jar:1.8.0_101] at org.ovirt.engine.core.utils.timer.JobWrapper.invokeMethod(JobWrapper.java:77) [scheduler.jar:] at org.ovirt.engine.core.utils.timer.JobWrapper.execute(JobWrapper.java:51) [scheduler.jar:] at org.quartz.core.JobRunShell.run(JobRunShell.java:213) [quartz.jar:] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [rt.jar:1.8.0_101] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [rt.jar:1.8.0_101] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [rt.jar:1.8.0_101] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [rt.jar:1.8.0_101] at java.lang.Thread.run(Thread.java:745) [rt.jar:1.8.0_101] 2016-09-12 02:00:13,507 ERROR [org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase] (DefaultQuartzScheduler5) [] Error during host kom-ad01-vm31.holding.com install: java.io.IOException: Command returned failure code 1 during SSH session 'root(a)kom-ad01-vm31.holding.com' at org.ovirt.engine.core.uutils.ssh.SSHClient.executeCommand(SSHClient.java:526) [uutils.jar:] at org.ovirt.engine.core.uutils.ssh.SSHDialog.executeCommand(SSHDialog.java:317) [uutils.jar:] at org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase.execute(VdsDeployBase.java:563) [bll.jar:] at org.ovirt.engine.core.bll.host.HostUpgradeManager.isUpdateAvailable(HostUpgradeManager.java:44) [bll.jar:] at org.ovirt.engine.core.bll.host.AvailableUpdatesFinder.isUpdateAvailable(AvailableUpdatesFinder.java:26) [bll.jar:] at org.ovirt.engine.core.bll.VdsEventListener.isUpdateAvailable(VdsEventListener.java:553) [bll.jar:] at org.ovirt.engine.core.vdsbroker.ResourceManager.isUpdateAvailable(ResourceManager.java:510) [vdsbroker.jar:] at org.ovirt.engine.core.vdsbroker.VdsManager.availableUpdates(VdsManager.java:306) [vdsbroker.jar:] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.8.0_101] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) [rt.jar:1.8.0_101] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.8.0_101] at java.lang.reflect.Method.invoke(Method.java:498) [rt.jar:1.8.0_101] at org.ovirt.engine.core.utils.timer.JobWrapper.invokeMethod(JobWrapper.java:77) [scheduler.jar:] at org.ovirt.engine.core.utils.timer.JobWrapper.execute(JobWrapper.java:51) [scheduler.jar:] at org.quartz.core.JobRunShell.run(JobRunShell.java:213) [quartz.jar:] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [rt.jar:1.8.0_101] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [rt.jar:1.8.0_101] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [rt.jar:1.8.0_101] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [rt.jar:1.8.0_101] at java.lang.Thread.run(Thread.java:745) [rt.jar:1.8.0_101] 2016-09-12 02:00:13,512 ERROR [org.ovirt.engine.core.bll.host.HostUpgradeManager] (DefaultQuartzScheduler5) [] Failed to refresh host 'KOM-AD01-VM31' packages 'vdsm-cli, vdsm' availability. 2016-09-12 02:00:13,512 ERROR [org.ovirt.engine.core.bll.host.HostUpgradeManager] (DefaultQuartzScheduler5) [] Exception: java.io.IOException: Command returned failure code 1 during SSH session 'root(a)kom-ad01-vm31.holding.com' at org.ovirt.engine.core.uutils.ssh.SSHClient.executeCommand(SSHClient.java:526) [uutils.jar:] at org.ovirt.engine.core.uutils.ssh.SSHDialog.executeCommand(SSHDialog.java:317) [uutils.jar:] at org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase.execute(VdsDeployBase.java:563) [bll.jar:] at org.ovirt.engine.core.bll.host.HostUpgradeManager.isUpdateAvailable(HostUpgradeManager.java:44) [bll.jar:] at org.ovirt.engine.core.bll.host.AvailableUpdatesFinder.isUpdateAvailable(AvailableUpdatesFinder.java:26) [bll.jar:] at org.ovirt.engine.core.bll.VdsEventListener.isUpdateAvailable(VdsEventListener.java:553) [bll.jar:] at org.ovirt.engine.core.vdsbroker.ResourceManager.isUpdateAvailable(ResourceManager.java:510) [vdsbroker.jar:] at org.ovirt.engine.core.vdsbroker.VdsManager.availableUpdates(VdsManager.java:306) [vdsbroker.jar:] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.8.0_101] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) [rt.jar:1.8.0_101] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.8.0_101] at java.lang.reflect.Method.invoke(Method.java:498) [rt.jar:1.8.0_101] at org.ovirt.engine.core.utils.timer.JobWrapper.invokeMethod(JobWrapper.java:77) [scheduler.jar:] at org.ovirt.engine.core.utils.timer.JobWrapper.execute(JobWrapper.java:51) [scheduler.jar:] at org.quartz.core.JobRunShell.run(JobRunShell.java:213) [quartz.jar:] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [rt.jar:1.8.0_101] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [rt.jar:1.8.0_101] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [rt.jar:1.8.0_101] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [rt.jar:1.8.0_101] at java.lang.Thread.run(Thread.java:745) [rt.jar:1.8.0_101] 2016-09-12 02:00:13,513 ERROR [org.ovirt.engine.core.vdsbroker.VdsManager] (DefaultQuartzScheduler5) [] Failed to check if updates are available for host 'KOM-AD01-VM31' 2016-09-12 02:00:13,518 ERROR [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (DefaultQuartzScheduler5) [] Correlation ID: null, Call Stack: null, Custom Event ID: -1, Message: Failed to check for available updates on host KOM-AD01-VM31 with message 'Command returned failure code 1 during SSH session 'root(a)kom-ad01-vm31.holding.com''. ... What could be the problem?

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