DMEVENT_TOOL - Online Linux Manual PageSection : 8
Updated : 1.0.0.rc3
Source : Brian Wood
Note : "

NAMEdmevent_tool − A utility used to load a DSO into dmeventd and (un)register devices with it for monitoring

SYNOPSISdmevent_tool −[Vhmru] {RAID device name} {DSO Name}

DESCRIPTIONdmevent_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-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

EXAMPLESdmevent_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

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

AUTHORBrian Wood <brian.j.wood@intel.com>
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Johanes Gumabo
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