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What impact is produced by PVA restart?

Article ID: 120133, created on Feb 14, 2014, last review on Sep 22, 2015

  • Virtuozzo
  • Virtuozzo containers
  • Virtuozzo hypervisor
  • Virtual Automation


I'm going to restart PVA Agent / MN, what would be the impact?

[root@vz ~]# pvaagent restart
Shutting pvaagentd:                                        [  OK  ]
Starting pvaagentd:                                        [  OK  ]

[root@pva ~]# pvamn restart
Shutting pvamnd                                    [  OK  ]
Starting pvamnd                                    [  OK  ]


PVA Agent restart will interrupt services provided by PVA, but won't affect Virtual Environment availability. Restart itself is very quick — usually it takes only 5 seconds, however the restart will interrupt tasks running via PVA.

PVA MN restart will interrupt any currently running tasks in PVA web interface. In addition, PVA MN controls all container backup/restore operations, even if they were launched directly on a hardware node via CLI, so such operation will get interrupted as well.

You can expect that:

  • Backup tasks will be interrupted if any. Even if node serves only as a Backup Node.
  • Offline Management (Power Panel, Plesk Power Panel) will be unavailable during PVA Agent restart. Active sessions in containers' Power Panels will be dropped.
  • Any task initiated from PVA Management Node to the Slave node (where service is restarted) will be interrupted. For example such tasks as migration, backup, cloning, creation, etc.
  • The node will become unavailable in PVA Management Node interface (grayed out) for a short period of time.

NOTE: Installing PVA MN / Agent updates implies service restart.

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restart PVA

backup containers

pvaagent restart

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Failed to perform the file backup

service pvaagentd restart

Acronis Error: Module=0 Code=0, Tag=0

virtual machine not listed in pva

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