ID: 15737
Title: <tt>docker_node_info</tt>: Fix sporadic UNKN if host is monitored
by multiple sites
Component: Checks & agents
Level: 1
Class: Bug fix
Version: 2.3.0b1
In case a Docker host with installed Docker agent plugin (<tt>mk_docker</tt>)
was monitored by
multiple Checkmk sites, the <i>Docker node info</i> service might have
sporadically reported UNKN
with the following error message:
C+:
Plugin exception in section_node_disk_usage: [Errno 2] No such file or directory:
'/var/lib/check_mk_agent/mk_docker_df.tmp....' ->
'/var/lib/check_mk_agent/mk_docker_df.spool'
C-:
To benefit from this werk, users have to re-deploy the Docker agent plugin on affected
hosts.
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