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What impact is produced by restart of pva agent?

Article ID: 120133, created on Feb 14, 2014, last review on Nov 3, 2014

APPLIES TO:
  • Virtuozzo
  • Virtuozzo containers
  • Virtuozzo hypervisor
  • Virtual Automation

Question

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

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

Answer

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 restart itself will interrupt tasks running via PVA.

You can expect next:

  • 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 PVA is restarted) will be interrupted. For example such tasks as migration, backup, cloning, creation, etc.
  • Node will become unavailable in PVA Management Node interface (grayed out) for a short period of time.

NOTE: PVA Agent update implies service restart

Search words:

Cannot load 'libvzctl2.so.0'

restart PVA

backup containers

pvaagent restart

task failed

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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