HP Hitachi Dynamic Link Manager Software - Manual (Page 495)

-h
Displays the format of the dlmmkinitrd utility.
dlmpr Utility for Clearing HDLM Persistent Reservation
If the persistent reservation of the LU is not canceled for some reason, this
utility clears the reservation key to cancel the persistent reservation.
This utility can be used when one of the following OSs is used for the host
OS:
• Red Hat Enterprise Linux 5
• Red Hat Enterprise Linux 6
• Oracle Unbreakable Enterprise Kernel 5
Format
/opt/DynamicLinkManager/bin/dlmpr {{-k | -c} [sdn] [sdn] ... [-a]
| -h}
Parameters
-k
Specify this parameter to display the reservation key. The following
explains the items displayed when the -k parameter is specified:
Reservation Key
If the reservation key is not set, [0x0000000000000000] is displayed.
Regist Key
The registered keys are displayed.
Key Count
The number of registered keys is displayed.
-c
Specify this parameter to clear the reservation key.
sdn
Specify the SCSI device (sdn) for which you want to display or clear the
reservation key. You can specify more than one SCSI device.
If you omit this parameter, the utility displays or clears the reservation
keys for all SCSI devices.
-a
Even if an error occurs during processing, processing continues for all
remaining SCSI devices.
-h
Displays the format of the utility for clearing HDLM persistent reservation.
Utility Reference
7-35
Hitachi Dynamic Link Manager User Guide for Linux ®