dmevent_tool − A utility used to load a DSO into dmeventd and (un)register devices with it for monitoring
dmevent_tool −[Vhmru] {RAID device name} {DSO Name}
dmevent_tool is a userspace utility used to register/unregister DSOs with the daemon dmeventd.
If used with the −m command line parameter users can display all of the actively dmeventd monitored devices.
−V Show version of dmevent_tool
−{h/?} Show this help information
−m[r|u]
List all currently active device mapper devices
and their current status with dmeventd
for registered (-r)/unregistered (-m) devices
Syntax: dmevent_tool -m[u|r]
−a[r|u]
Same as -m, but for devices with UUID only!
Syntax: dmevent_tool -a[u|r]
−r
Register a device with dmeventd
Syntax: dmevent_tool -r <device name> <path to DSO
library>
Example: dmevent_tool -r isw_abcdeh_Volume0
libdmraid-events.so
−u
Unregister a device with dmeventd
Syntax: dmevent_tool -u <device name> [<path to DSO
library>]
Example: dmevent_tool -u isw_abcdefgh_Volume0
dmevent_tool
−m is used to display all of the actively
monitored devices
dmevent_tool −m
Device Name: isw_defeaigdde_Volume0_dmraid00
Registered DSO: libdmraid−events.so
UUID: isw_defeaigdde_Volume0_dmraid00
status: Active
major device #: 253
minor device #: 0
read only device: No
number of recorded kernel events: 0
SATA drives in this volume group: /dev/sdb /dev/sdc
dmevent_tool
−r is used to register a volume group device with
dmeventd
dmevent_tool −r isw_defeaigdde_Volume0_dmraid00
libdmraid−events.so
dmevent_tool
−u is used to unregister a volume group from
dmeventd
dmevent_tool −u isw_defeaigdde_Volume0_dmraid00
dmevent_tool returns an exit code of 0 for success or 1 for error.
Brian Wood <brian.j.wood@intel.com>
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