Installation and Reference Guide for HP MPIO Full Featured DSM for XP family of Disk Arrays 3.00.00 (AA-RVJ6F-TE, March 2008)

A Software com ponen ts
This appendix describes the following components of HP MPIO XP DSM:
•Drivers
• User mode components
Drivers
The HP MPIO XP DSM components include the following multipath drivers:
• Microsoft MP
IO Framework Drivers
• MPIO.SYS is the Multipathing bus driver.
• MPDEV.SYS is the replacement class driver. It communicates with MPIO.SYS.
• MPSPFLTR.SY
S is a port driver filter (HBA upper filter).
• HP Device SpecificModule(DSM)driver
• HPXPDSM.SYS is the HP DSM driver for XP disk arrays. It interacts with MPIO.SYS to provide
device-spe
cificfunctions.
HP recommends that you do not remove, delete, or disable these drivers while multipath hardware is
attached to your system.
User mode components
The user m o d e components includes:
•HPMPIODSMmanagerGUI
• HP MPIO XP DSM command line interface
• HP MPIO XP DSM performance monitoring provider
• HP MPIO X P DSM persistent reservations clear utility
HP MPIO DSM manager GUI
The HP MP
IO DSM manager GUI monitors and manages the HP DSMs. It also enables administrator to
receive
email notifications on path/device failure events. The HP MPIO DSM Manager is provided as a
separate installation package.
NOTE:
To manage HP MPIO XP DSM 3.00.00 and later, use HP MPIO DSM Manager 3.00.00 or later.
HP MPIO XP DSM command line interface (CLI)
TheHPMPIOXPDSMcommandlineinterface(HPDSM.EXE) enables you to monitor and m anage HP
DSMs in an MPIO environment.
HP MPIO XP DSM performance monitoring provider
The HP MPIO XP DSM performance monitoring provider (HpPerfProv.DLL) helps you monitor the
Input-Output (I/O) performance of a device path using the system monitor.
HP MPIO Full Featured DSM for XP family of Disk Arrays 3.00.00
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