NAME dmevent_tool - A utility used to load a DSO into dmeventd and (un)reg- ister devices with it for monitoring

SYNOPSIS dmevent_tool -[Vhmru] {RAID device name} {DSO Name}

DESCRIPTION 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.

OPTIONS -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-

-u Unregister a device with dmeventd Syntax: dmevent_tool -u <device name> [<path to DSO library>] Example: dmevent_tool -u isw_abcdefgh_Volume0

EXAMPLES dmevent_tool -m is used to display all of the actively monitored devices dmevent_tool -m Device Name: isw_defeaigdde_Volume0_dmraid00 Registered DSO: UUID: isw_defeaigdde_Vol- ume0_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

dmevent_tool -u is used to unregister a volume group from dmeventd dmevent_tool -u isw_defeaigdde_Volume0_dmraid00

DIAGNOSTICS dmevent_tool returns an exit code of 0 for success or 1 for error.

AUTHOR Brian Wood <>

Brian Wood 1.0.0.rc3 DMEVENT_TOOL(8)