HP MPIO Full Featured DSM for EVA4x00/6x00/8x00 family of Disk Arrays 3.00.00 Installation and Reference Guide (AA-RW7SJ-TE, March 2008)

A Software c omponents
This appendix describes the following components of HP MPIO EVA DSM:
•Drivers
• User mode components
Drivers
The HP MPIO EVA DSM components include the following multip a th 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 DSM driver
• HPEAADSM.SYS is the HP DSM driver for EVA disk arrays. It interacts with MPIO.SYS to
provide dev
ice-specificfunctions.
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 mode components includes:
•HPMPIODSMmanagerGUI
• HP MPIO EVA DSM command line interface
• HP M PIO EVA DSM p er formance monitoring provider
• HP MPIO EVA 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 EVA DSM 3.00.00 and later, use HP MPIO DSM Manager 3.00.00 or later.
HP MPIO EVA DSM command line interface (CLI)
The HP MPIO EVA DSM c ommand line interface (HPDSM.EXE) enables you to monitor and manage HP
DSMs in an MPIO environment.
NOTE:
To manage the HP MPIO EVA DSM 3.00.00 and later, use HP MPIO DSM Manager 3.00.00 or later.
HP MPIO Full Featured DSM for EVA4x00/6x00/ 8x00 family of Disk Arrays 3.0 0.00
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