Installation and Reference Guide for HP MPIO Full Featured DSM for EVA3000/5000 VCS 4.xxx Disk Arrays 3.00.00 (AA-RW8SF-TE, March 2008)

ManualsBrandsHP ManualsSoftwareHP StorageWorks VCS for Dual HSV110 Controllers V2.0-V3.0 Upgrade

To start the performance monitoring, complete the steps below:

1. Select Start > Programs > Hewlett-Packard > EGL DSM > Path Performance.

Alternatively, you can select Start > Run and execute the command perfmon /wmi.

2. Select HP DSM High Performance Provider p erformance object and add the appropriate counters.

HP MPIO EVA DSM persistent reservations clear utilit y

The HP MPIO EVA DSM persistent reservations clear utilit y enables you to view and clear reservations

onthedisksthatareleftbehindduetoincorrectinstallationorremovaloftheHPMPIOEVADSMor

an unsuccess

ful 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 f or solving

them.

The p ersistent reservations clear utility is lo cated on the HP MPIO EVA DSM installation media, and gets

copied to the HP MPIO EVA DSM i nstallation directory during the installation. You c a n run this utility

either on a system tha t has HP MPIO EVA DSM installed or on a system where HP MPIO EVA DSM

is not installed.

To run this utility on a system where the HP MPIO EVA DSM is installed, complete the steps below:

1. Select Start > Programs > Hewlett-Packard > EGL DSM > HPDSM PR U tilit y.

2. Enter the command hpprutil /? a t the command prompt to display the instructions for using

this utility.

The hpprutil utility supports the following commands:

•hpprutildevices

• hpprutil clear device

• hpprutil help

hpprutil devices

Syntax: hpprutil devices

The hpprutil devices commanddisplaysdetailsofreservationsonthedevicesasshownbelow

in the following example. If there are no devices present, the following message is displayed: No

Devices Found.

Example:

hpprutil devices

Device#

Device Name

SCSI Address

Reservation

NT Disk#

COMPAQ HSV110 4.0.2.1

Disk4

2 COMPAQ HSV110 3.0.2.2

Disk5

hpprutil clear device

Syntax: hpprutil clear device=x

Syntax: hpprutil clear device=m n

The hpprutil clear device command clears the reservation present on device x,orclearsthe

reservation present on devices starting from m to n (both inclusive) , depending on the input parameter

speciﬁed.

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