[ovirt-users] Ovirt Hypervisor vdsm.Scheduler logs fill partition

[Simone Tiraboschi]

On Fri, Oct 14, 2016 at 1:12 AM, Steve Dainard <sdainard at spd1.com> wrote:

> Hello,
>
> I had a hypervisor semi-crash this week, 4 of ~10 VM's continued to run,
> but the others were killed off somehow and all VM's running on this host
> had '?' status in the ovirt UI.
>
> This appears to have been caused by vdsm logs filling up disk space on the
> logging partition.
>
> I've attached the log file vdsm.log.27.xz which shows this error:
>
> vdsm.Scheduler::DEBUG::2016-10-11 16:42:09,318::executor::216::Executor::(_discard)
> Worker discarded: <Worker name=periodic/3017 running <Operation
> action=<VmDispatcher operation=<class 'virt.periodic.DriveWatermarkMonitor'>
> at 0x7f8e90021210> at 0x7f8e90021250> discarded at 0x7f8dd123e850>
>
> which happens more and more frequently throughout the log.
>
> It was a bit difficult to understand what caused the failure, but the logs
> were getting really large, then being xz'd which compressed 11G+ into a few
> MB. Once this happened the disk space would be freed, and nagios wouldn't
> hit the 3rd check to throw a warning, until pretty much right at the crash.
>
> I was able to restart vdsmd to resolve the issue, but I still need to know
> why these logs started to stack up so I can avoid this issue in the future.
>

We had this one: https://bugzilla.redhat.com/show_bug.cgi?id=1383259
but in your case the logs are rotating.
Francesco?


>
> Hypervisor host info:
> CentOS 7
> # rpm -qa | grep vdsm
> vdsm-yajsonrpc-4.17.32-1.el7.noarch
> vdsm-xmlrpc-4.17.32-1.el7.noarch
> vdsm-infra-4.17.32-1.el7.noarch
> vdsm-hook-vmfex-dev-4.17.32-1.el7.noarch
> vdsm-python-4.17.32-1.el7.noarch
> vdsm-4.17.32-1.el7.noarch
> vdsm-cli-4.17.32-1.el7.noarch
> vdsm-jsonrpc-4.17.32-1.el7.noarch
>
> Engine host info:
> CentOS 7
> $ rpm -qa | grep ovirt
> ovirt-engine-lib-3.6.7.5-1.el7.centos.noarch
> ovirt-iso-uploader-3.6.0-1.el7.centos.noarch
> ovirt-engine-wildfly-overlay-8.0.5-1.el7.noarch
> ovirt-engine-webadmin-portal-3.6.7.5-1.el7.centos.noarch
> ovirt-engine-jboss-as-7.1.1-1.el7.x86_64
> ovirt-engine-setup-plugin-vmconsole-proxy-helper-3.6.7.
> 5-1.el7.centos.noarch
> ovirt-host-deploy-1.4.1-1.el7.centos.noarch
> ovirt-engine-vmconsole-proxy-helper-3.6.7.5-1.el7.centos.noarch
> ovirt-engine-backend-3.6.7.5-1.el7.centos.noarch
> ovirt-setup-lib-1.0.1-1.el7.centos.noarch
> ovirt-engine-setup-plugin-websocket-proxy-3.6.7.5-1.el7.centos.noarch
> ovirt-engine-websocket-proxy-3.6.7.5-1.el7.centos.noarch
> ovirt-engine-tools-3.6.7.5-1.el7.centos.noarch
> ovirt-engine-setup-base-3.6.7.5-1.el7.centos.noarch
> ovirt-engine-setup-3.6.7.5-1.el7.centos.noarch
> ovirt-vmconsole-1.0.2-1.el7.centos.noarch
> ovirt-engine-wildfly-8.2.1-1.el7.x86_64
> ovirt-engine-tools-backup-3.6.7.5-1.el7.centos.noarch
> ovirt-engine-userportal-3.6.7.5-1.el7.centos.noarch
> ovirt-engine-3.6.7.5-1.el7.centos.noarch
> ovirt-release35-006-1.noarch
> ovirt-engine-extension-aaa-ldap-1.1.0-0.0.master.
> 20151021074904.git92c5c31.el7.noarch
> ovirt-release36-3.6.7-1.noarch
> ovirt-engine-setup-plugin-ovirt-engine-3.6.7.5-1.el7.centos.noarch
> ovirt-host-deploy-java-1.4.1-1.el7.centos.noarch
> ovirt-image-uploader-3.6.0-1.el7.centos.noarch
> ovirt-engine-dbscripts-3.6.7.5-1.el7.centos.noarch
> ovirt-engine-sdk-python-3.6.3.0-1.el7.noarch
> ovirt-engine-extension-aaa-jdbc-1.0.7-1.el7.noarch
> ovirt-engine-extensions-api-impl-3.6.7.5-1.el7.centos.noarch
> ovirt-engine-restapi-3.6.7.5-1.el7.centos.noarch
> ovirt-engine-setup-plugin-ovirt-engine-common-3.6.7.5-1.el7.centos.noarch
> ovirt-vmconsole-proxy-1.0.2-1.el7.centos.noarch
> ovirt-engine-cli-3.6.2.0-1.el7.centos.noarch
>
>
> Thanks,
> Steve
>
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