8100 Upgrade Assessment (5697-6985, July 2007)

Multipathing software

To support active/active, it m ay be necessary to install new multipathing failover software. In most cases,

this will involve moving from Secure Path to native multipathing or a third-part y application.

Enter the current multipathing software in the following table. Then refer to the connectivity release to

determine what multipathing software is supported by XCS 6.110 or later.

Table 6 Multipathing software

Host/OS version Current multipathing software Supported multipat hing software

Upgrade task responsibilities

The following table provides an overview of the major tasks involved in upgrading the storage system

and identiﬁes who typically performs each task. Many of the tasks can be performed prior to the arrival

of HP services to perform the upgrade. Completing these tasks in advance will reduce the amount

of time required to upgrade the storage system.

Table 7 Upgrade task responsibilities

Ta sk Responsibility

1. Complete the upgrade assessment checklist.

This ensures that you have recorded the changes that

must be made to your environment.

Customer performs prior to the upgrade.

2. Pu

rchase and install any new HBAs and drivers

tha

tmayberequired.

Con

tact your HP sales representative for assistance in

ord

ering new HBAs.

Customer performs prior to the upgrade.

3. Installnewmultipathand/ordriversoftware

required.

This software will be used to connect to the storage

system following the VCS upgrade.

Many operating systems support the coexistence of

active/passive (VCS 3.xxx) and active/active (XCS

6.110 or later) storage systems on the same host . It

maybenecessarytouseseparateHBAsandfabric

rezoning to implement coexistence on the host. See

Table 8.

Customer performs prior to the upgrade.

4. Bac k up all data on the storage system.

Customer per forms prior to the upgrade.

HP StorageWorks Enterprise Virtual Array 3000/5000 to 4100/6100/8100 upgrade assessment