Plesk for Linux
kb: technical
ABT: Group A
Applicable to:
- Plesk for Linux
Symptoms
-
Plesk is installed in Virtual container.
-
Plesk is not accessible with the following message in a browser:
PLESK_INFO: Lock Manager error: 'No locks available'.
Message Lock Manager error: 'No locks available'.
File Hierarchical.php
Line 126
Type Plesk\Lock\Exception -
Virtual container limits shows the following:
MYSQL_LIN: # grep -v " 0$" /proc/user_beancounters
uid resource held maxheld barrier limit failcnt
numflock 1277 1280 1280 1680 4849192
Cause
Exceed numflock (number of locked files) in container.
Resolution
Increase virtual container limits.
-
For a Virtuozzo container, log in to Virtuozzo server using SSH.
-
Increase limits for numflock as in example below:
# vzctl set <CT> --save --numflock 80000:90000
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