Category Archives: RedHat

Openvswitch – Cannot Update CentOS 7

Assalamualaikum Whenever you use CentOS 7 with openvswith enabled you cannot update you system. yum update will time out. The server can access the internet, the mirror server can be resolved. So what is the problem? Usually this happened on … Continue reading

Posted in Install, Linux, RedHat | Tagged , , , ,

How to Backup oVirt Engine

Assalamualaikum.. Backup is straightforward. See –help for details. Below is the steps on how to backup ovirt engine. Example: engine-backup –mode=backup –file=backup1 –log=backup1.log Full backup engine-backup –mode=backup –scope=all –file=”/var/lib/ovirt-engine/backups/fullbackup-$(date +%Y%m%d%H%M%S).tar.bz2″ –log=/var/log/ovirt-engine/fullbackup-$(date +%Y%m%d%H%M%S).log DB backup engine-backup –mode=backup –scope=files –scope=db –file=”/var/lib/ovirt-engine/backups/DBbackup-$(date +%Y%m%d%H%M%S).tar.bz2″ … Continue reading

Posted in Linux, oVirt, RedHat, RHEV, RHV | Tagged , ,

RHEV/oVirt Environment is Non Responsive with Errors as: Received fatal alert: certificate_expired

Assalamualaikum. Issue 1. Certificates have expired and all hosts are non responsive 2. Getting error as below in the engine logs: ERROR [org.ovirt.engine.core.vdsbroker.irsbroker.UploadStreamVDSCommand] (DefaultQuartzScheduler_Worker-64) [6d32f092] Command ‘UploadStreamVDSCommand(HostName = xyz, UploadStreamVDSCommandParameters:{runAsync=’true’, hostId=’12345dbe-1db1-11e1-ade1-00215e97f418′})’ execution failed: Received fatal alert: certificate_expired ERROR [org.ovirt.engine.core.bll.UploadStreamCommand] … Continue reading

Posted in Linux, oVirt, RedHat, RHEV, RHV, Virtualization | Tagged , , , ,