HP StorageWorks C-Series Fabric Switches for SAN-OS 3.1(2a) and FabricWare 2.1(3) Release Notes (AA-RWEHE-TE, March 2007)

9 MDS Multilayer Director & Multilayer Fabric Switches Release Notes
Switch Settings for HP Continuous Access Enterprise
Virtual Arrays and HP Data Replication Manager for
Modular Arrays
The default load balancing policy for SAN-OS is Src-ID/Dst-ID/OX-ID. This must be changed
when using Enterprise Virtual Array families or Modular Array families configured for
Continuous Access EVA and/or Data Replication Manager (DRM). Change the default load
balance setting to Src-ID/Dst-ID using either one of the following two procedures:
Note: The MDS 9020 only supports Src-ID/Dst-ID.
Using the Management Console or Telnet to Change the Load Balancing Setting
Use the following procedure to change the load balance setting to Src-ID/Dst-ID with
management console or telnet:
Note: Your login account must have network-admin privileges to complete this procedure.
1. Log into the switch using either the management console or telnet.
2. Enter your network-admin privileged account by entering your login name and password.
switch login: admin
Password: <admin password>
3. Enter the following to enter configuration mode:
switch# config terminal
4. Enter the following command to enter the VSAN database:
switch(config)# vsan database
5. Enter the following command to enable the VSAN(s) that contain the Continuous Access
EVA and/or DRM fabric to src-dst-id loadbalancing:
switch(config-vsan-db)# vsan <1-4094> loadbalancing src-dst-id
switch(config-vsan-db)# exit
switch(config)# exit
6. Verify that src-dst-id is enabled for the desired VSAN by entering the following
command:
switch# show vsan <1-4094>
In the following example, VSAN 1 loadbalancing is set to src-id/dst-id
switch# show vsan 1
vsan 1 information
name: vsan1 state: active
interoperability mode: default
loadbalancing: src-id/dst-id
operational state: up