HP MPIO Full Featured DSM for SAN Virtualization Services Platform 4.01.00 installation and reference guide (5697-0237, January 2010)

HP MPIO SVSP DSM command line interface (CLI)
The HP MPIO SVSP DSM command line interface (HPDSM.EXE) enables you to monitor and manage
HP DSMs in an MPIO environment.
HP MPIO SVSP DSM performance monitoring provider
The HP MPIO SVSP DSM performance monitoring provider (HpPerfProv.DLL) allows you to
monitor the Input-Output (I/O) performance of a device path using the system monitor.
To start the performance monitoring, complete the following steps:
1. Select Start > Programs > Hewlett-Packard > SVSP DSM > Path Performance.
Alternatively, you can select Start > Run and execute the command perfmon /wmi.
2. Select HP DSM High Performance Provider performance object and add the appropriate counters.
HP MPIO SVSP DSM persistent reservations clear utility
The HP MPIO SVSP DSM persistent reservations clear utility enables you to view and clear reservations
on the disk(s) that are left behind due to incorrect installation or removal of the HP MPIO SVSP DSM
or an unsuccessful cluster node failover.
CAUTION:
Using this utility incorrectly may result in loss of data and/or incorrect operation of MSCS/Failover
Cluster. HP shall not be liable for problems resulting from the incorrect use of this utility or for solving
them.
The persistent reservations clear utility is located on the HP MPIO SVSP DSM installation media, and
gets copied to the HP MPIO SVSP DSM installation directory during the installation. You can run this
utility either on a system that has HP MPIO SVSP DSM installed or on a system where HP MPIO SVSP
DSM is not installed.
To run this utility on a system where the HP MPIO SVSP DSM is installed, complete the following steps:
1. Select Start > Programs > Hewlett-Packard > SVSP DSM > HPDSM PR Utility.
2. Enter the command hpprutil /? at the command prompt to display the instructions for using
this utility.
The hpprutil utility supports the following commands:
• hpprutil devices
• hpprutil clear device
• hpprutil help
hpprutil devices
Syntax: hpprutil devices
The hpprutil devices command displays details of reservations on the devices as shown in the
following example. If there are no devices present, the following message is displayed: No Devices
Found.
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