Article ID: 122008, created on Jun 12, 2014, last review on Jun 17, 2016

  • Applies to:
  • Virtuozzo 6.0
  • Virtuozzo containers for Linux 4.7
  • Virtual Automation 4.6
  • Virtual Automation 6.0

Symptoms

If PVA Agent is configured to create TAR-based backups for containers, you may hit a timeout different from described in KB #8133.

~# time vzabackup localhost -e 1305

Starting backup operation for node 'host.server.net'...
* Operation with the Container ct1305 is started
* Backing up environment ct1305 locally
* Operation with the Container ct1305 is finished with errors: The request was timed out.
Backup operation for node 'vzlin02' failed: The request was timed out
Backup failed

real    30m30.999s
user    0m0.223s
sys     0m0.198s

PVA Agent configuration might contains the following settings with backend set to 1 and no custom configuration for processm:

~# echo 'cat //backend/../..|//processm' | xmllint --shell /var/opt/pva/agent/etc/vzagent.conf | grep '^<'
<vzlin_backup_serializer>
<configuration>
<backend>1</backend>
<enable_snapshot>1</enable_snapshot>
<custom>
<queue>0</queue>
<heavy_timeout_limit>36000</heavy_timeout_limit>
</custom>
</configuration>
</vzlin_backup_serializer>
<vzlin_backup_serializer11>
<configuration>
<backend>1</backend>
<enable_snapshot>1</enable_snapshot>
<custom>
<pool>0</pool>
<queue>0</queue>
<heavy_timeout_limit>82800</heavy_timeout_limit>
</custom>
</configuration>
</vzlin_backup_serializer11>
<processm>
<configuration/>
</processm>

Cause

30 minutes - it is 1800 seconds, the default timeout for commands execution with "processm" operator of PVA Agent.

Resolution

Edit the PVA Agent configuration file to increase timeout. The configuration file can be found in the following locations:

  • /vz/pva/agent/etc/vzagent.conf;
  • /var/opt/pva/agent/etc/vzagent.conf;
  • check KB #112499 if in doubts.

Initially the section for processm does not specify any timeout:

<processm>
<configuration/>
</processm>

Change it to something like:

<processm>
<configuration>
<custom>
<default_timeout>36000</default_timeout>
</custom>
</configuration>
</processm>

Restart PVA agent on node:

#service pvaagentd restart

See also

  • 113790 Backup in PVC, PSBM and Parallels Cloud Server
  • 8133 Acronis Error: Module=0 Code=0, Tag=0 troubleshooting

Search Words

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1800 seconds

tar-based

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