Check manual page of drbd
General state of DR:BD devices
This check uses the contents of /proc/drbd as sent by the Check_MK linux
agent. The check analyzes the "Connection State", "Disk State" and "Roles of
the single nodes.
The check takes a snapshot from the state during the inventory and compares
it with the state during the checks. If some of the values differ from the
inventorized values a CRITICAL state will be shown.
The name of the DRBD device e.g. drbd0
Each configured DRBD device will result in one service during inventory. All
devices with the connection state "Unconfigured" are skipped.