Dmeventd device-mapper event daemon
dmeventd [-d [-d [-d]]] [-f] [-h] [-R] [-V] [-?]
dmeventd is the event monitoring daemon for device-mapper devices. Library plugins can register and carry out actions triggered when particular events occur.
LVM PLUGINS
Mirror
Attempts to handle device failure automatically. See lvm.conf(5).
Raid
Attempts to handle device failure automatically. See lvm.conf(5).
Snapshot
Monitors how full a snapshot is becoming and emits a warning to syslog when it exceeds 80% full. The warning is repeated when 85%, 90% and 95% of the snapshot is filled. See lvm.conf(5).
Thin
Monitors how full a thin pool is becoming and emits a warning to syslog when it exceeds 80% full. The warning is repeated when 85%, 90% and 95% of the thin pool is filled. See lvm.conf(5).
-d
Repeat from 1 to 3 times ( -d, -dd, -ddd ) to increase the detail of debug messages sent to syslog. Each extra d adds more debugging information.
-f
Don't fork, run in the foreground.
-h, -?
Show help information.
-R
Replace a running dmeventd instance. The running dmeventd must be version 2.02.77 or newer. The new dmeventd instance will obtain a list of devices and events to monitor from the currently running daemon.
-V
Show version of dmeventd.