HP StorageWorks 3000/5000 Enterprise Virtual Array connectivity 4.1A for Tru64 UNIX release notes (5697-7036, November 2007)

Enhancements

This release includes the following new features:

• This release includes support for EVA3000/5000 controller software VCS 4.100. For details about

VCS 4.100, see H

P StorageWorks 3000/5000 Enterprise Virtual Array release notes (VCS 4.100).

NOTE:

You must have V CS 3.02 8 installed before upgrading to VCS 4.00x or later. HP recommends that

you do a full system backup before an HP service representative performs the migrating procedure.

Prerequisites

Multiple-path support

Tru64 UNIX operating software includes multipath support. No additional software is required to achieve

high-availability, multipath capability.

For more information about multipath options, see the HP multipath website:

ttp://h18006.www1.hp.com/products/sanworks/mul tipathoptions/ index.html

Single-path support

Tru64 UNIX servers require a single FC A to support single-path mode.

NOTE:

Do not use single-path mode in mission-critical environments.

VCS 3.028 to VCS 4.100 migration

The Active/Active failover feature in VCS 4.00x impacts host conﬁ gurations. Contact your HP service

representative to conﬁ gure your system and perform the m igration procedure.

EVA stor age system

These release notes contain the latest product information for operating the EVA3000/5000 on a

Tru64 UNIX system.

EVA best practices

The EVA 3000/5000 is designed to work in a wide range of conﬁgurations; however, some of

the conﬁg u ration options can inﬂuence performance, c apacity, or availability. With the necessary

information about EVA conﬁguration o ptions, you can m a nag e the c on ﬁguration to optimize its at tributes

for a speciﬁc application. These conﬁguration options include:

• Number of disk groups

• Type of disk group

• Type and number of disks in a disk group

• Vraid levels (0, 1, and 5)

• Disk failure protection level (none, single, and double)

• Cache settings