Installation and Reference Guide for HP MPIO Full Featured DSM for MSA1000/1500 (Active-Active) Disk Arrays 3.00.00 (AA-RW8AD-TE, March 2008)

hpdsm paths device=1

Path# Controller Port

State

HBA Slot#

RTP P.B.T.L

P56350FX3Q5006-1 Available

00010001 3.1.3.1

2 P56350GX3RI0F6-1 Available

00020002 4.1.3.1

hpdsm set device policy

Syntax: hpdsm set device=x policy=policy

Syntax: hpdsm set device=all policy=policy

The hpdsm set device policy command sets the load balancing policy for device x or all

devices, depending on the input parameter speciﬁed, to one of the following:

• No_Load_Balance (NLB)

• Round_Robin (RR)

• Shortest_Queue_Requests (SQR)

• Shortest_Queue_Bytes (SQB)

• Shortest_Queue_ServiceTime (SQST)

The example below demonstrates the information displayed by the hpdsm set device policy

command.

NOTE:

You can not change the load balance policy in an MSCS/Failover Cluster environment.

Example:

hpdsm set device=1 policy=sqst

Device Name

: HP MSA_VOLUME

Device Serial No. : 600508B300912160AF87D3596705001B

Change Load Balance policy (y/n)? y

Load Balance policy changed. Verify by issuing "hpdsm devices" command.

Example:

hpdsm set device=all policy=rr

Successful for all the devices. Verify by issuing "hpdsm devices" command.

hpdsm set device path

Syntax: hpdsm set device=x path=y

The hpdsm set device path command changes the preferred path for device x,asshowninthe

example below.

NOTE:

Use the hpdsm paths device command to view the available paths for the device.

HP MPIO Full Featured DSM for MSA1000/1500 (Active-Active) Disk Arrays 3.00.00