HP HSG80 - StorageWorks RAID Array Controller Instruction Manual

Release Notes

HP StorageWorks

Command Console V2.5

Product Version: 2.5

Third Edition (March 2005)

Part Number: AA-RV1TA-TE

These Release Notes contain last-minute and supplemental information for the HP

StorageWorks Command Console by HP V2.5 Storage Management Software.

For the latest version of these Release Notes and other Command Console documentation,

access the HP storage web site at

http://h18006.www1.hp.com/storage/index.html

2 Command Console V2.5 Release Notes

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Command Console V2.5 Release Notes

Third Edition (March 2005)

Part Number: AA-RV1TA-TE

Release Notes Contents

3Command Console V2.5 Release Notes

Release Notes Contents

These release notes cover the following major topics:

■“Document Catalog” on page 4

■“Introduction” on page 5

■“New Features in SWCC V2.5” on page 6

■“Known Issues” on page 7

■“Operating Constraints” on page 10

Document Catalog

4 Command Console V2.5 Release Notes

Document Catalog

To view and access product documentation included with your HP StorageWorks

Solution Software CD, open the MANUALS.PDF file from the root directory. This

file serves as a catalog and provides links to all manuals and documents included

on your CD. Release Notes (such as the document you are now reading) are not

included on the CD. This is by design and allows for last minute changes that

become available after documents go to press.

Note: To view Portable Document Format (PDF) files you need Adobe Acrobat Reader.

If you do not have this program installed, you can install it from the

ACROBAT

folder on

your CD.

Introduction

5Command Console V2.5 Release Notes

Introduction

The StorageWorks Command Console (SWCC) provides a graphical user

interface that can be used to configure and monitor your storage subsystem. Use

of SWCC is highly recommended. Refer to the HP StorageWorks Command

Console V2.5 User Guide for information about installing and using SWCC.

The SWCC Agent is compiled for each operating system it supports, and is

installed on the host system. The SWCC Client is installed on a Windows Client

within the enterprise.

Identifying Your SWCC Software Revision Level

The SWCC User Guide is identified as V2.5, which refers to the entire software

suite revision. The SWCC Client software suite included in this release of the

Solution Software kit consists of the following components:

■SWCC Command Console, V2.2.0

■SWCC CLI Window, V2.5.0

■HSagent, V2.5.0

■HSG80shim, V2.2.0

■HSG80ACS85 StorageWindow, V2.5.0

■HSG80 StorageWindow, V2.1.0

■HSG60 StorageWindow, V2.5.0

In the above list, the name of each executable is given with its subfolder relative to

the installation folder of the SWCC Client kit.

Verification of the individual components can be done with Explorer by

right-clicking on the particular executable program in its folder and selecting the

Properties option. In the resulting Properties window, click on the Version tab and

select the Product Version to display the version of the program.

New Features in SWCC V2.5

6 Command Console V2.5 Release Notes

New Features in SWCC V2.5

The following new features are available in V2.5:

■The Controller Properties Page > Connections Properties Tab now contains a

delete column used for deleting connections to the controller.

■Client refresh status has been added to the lower status bar of the Client

window.

Known Issues

7Command Console V2.5 Release Notes

Known Issues

This section presents clarifications on the behavior of the software in certain

situations.

Storage Area Network (SAN) Configuration

In a SAN configuration, we recommend that only one SWCC Agent be active at

one time.

Integration with SWCC and Insight Manager

Starting with Insight Manager V4.23, the HSG80 controller can be monitored and

managed from Insight Manager. Insight Manager includes the HSG80 controller

and its status on the Insight Manager storage display. Insight Manager can also

launch the SWCC HSG80 Storage Window to manage storage connected to the

HSG80 controller.

There are two Client versions, HSG80 and HSG80 ACS85. A software "shim" is

included with your solution software kit and must be installed on your Client

station. This "shim" provides access to both HSG80 and HSG80 ACS85 storage

window from Insight Manager.

The "shim" determines which Client version to open. When the HSG80 Storage

Window is opened within Insight Manager, the Storage Window that supports

ACS V8.4 and earlier is launched. The Storage Window will work correctly as

long as it is used with HSG80 controllers that have ACS V8.4 or earlier. When the

HSG80 ACS85 Storage Window opens within Insight Manager it supports ACS

V8.5 or later.

Event Logs

The event log on a Windows NT, Windows 2000, or Windows Server 2003

(32-bit) Client may have extra error message text appended.

Known Issues

8 Command Console V2.5 Release Notes

Special Windows NT Device Driver Required for Compatibility in SCSI-2

Mode

For local SCSI and network connections, the special HSG80 device driver

HSZDISK.SYS, must be installed and running properly to connect the Client to a

host running Windows NT. The device driver makes HSG80 virtual disks visible

to the host operating system and enables communication between the Client,

Agent, and host file system.

Cautions When Configuring from a Configuration File

When configuring a storage subsystem from a configuration file, the program

prompts you to choose whether or not the program initializes your virtual disks.

You must choose the appropriate option or you risk the loss of data as the

configuration file is loaded and your subsystem is configured.

■Do not initialize virtual disks–Choose this option when your virtual disks

contain valuable user data, and you wish to retain that data. You might, for

instance, need to replace a failed subsystem component such as a controller or

cache module. In this case, your subsystem configuration must be transferred

to the new hardware, but you do not wish to change any information on your

storage devices themselves.

■Initialize virtual disks–Choose this option when your virtual disks do not

contain user data, or when you do not care if the data on them is lost. You

might use this option when configuring a storage subsystem from scratch, to

make it match the configuration file.

Virtual Disk Recovery from a Configuration File

Note that when you delete a virtual disk, the disk's member drives are all

re-initialized and all user data is lost. You cannot restore the virtual disk's data by

configuring your subsystem from a configuration file. A configuration file

contains only information about the structure of a virtual disk and does not contain

the disk's data itself.

Virtual Disk Maximum Capacity

The maximum capacity of RAID-based virtual disks is determined by the capacity

of the smallest member, not the largest.

■The maximum capacity of RAID 0 virtual disks is equal to the number of

members times the capacity of the smallest member.

Known Issues

9Command Console V2.5 Release Notes

■The maximum capacity of RAID 1 virtual disks is equal to the capacity of the

smallest member.

■The maximum capacity of RAID 0+1 virtual disks is equal to the number of

members in one stripe times the capacity of the smallest mirrorset member.

■The maximum capacity of RAID 3/5 virtual disks is equal to the number of

members minus one times the capacity of the smallest member.

Operating Constraints

10 Command Console V2.5 Release Notes

Operating Constraints

This section describes the operating constraints for the software. An operating

constraint is a limitation placed on the operation of the controller by the nature of

its design. Keep these constraints in mind, to avoid problems and to help you to

get the maximum performance from your controller.

CLI RUN Commands

Do not issue RUN commands in the CLI Window. Use only a maintenance

terminal connection to issue RUN commands.

Creating Partition Units Across Targets or Ports

Be aware that the name you pick for a unit assigns it to a particular host bus target.

If you create a unit from free space on a device, the program forces you to use a

unit name that puts the unit on the same host target as the other partitions on the

device.

On dual-port controllers, partitions on the same device that are assigned to

different host ports are not supported.

Mirrored Cache Mode Not Retained After Configuration Restore

If you restore your controller configuration from a configuration file, the mirrored

cache setting may not be properly enabled. You must restore the mirrored cache

setting manually, using a CLI Window.

Cache Policy Not Shown in Controller Properties Sheet

The controller cache policy may not be properly shown in the controller properties

sheet. The field may be blank. You must use a CLI Window to obtain the cache

policy setting.

Incorrect Capacity Shown in Add Virtual Disk Wizard

In some circumstances, in Step 3 of the Add Virtual Disk Wizard, if you specify a

capacity greater than the available disk capacity, an error message results. If you

back up to Step 2 of the Wizard and return to Step 3, the correct capacity is then

displayed. An attempt to move to Step 4 of the Wizard at this point, however,

results in the same error message, even though the correct capacity is shown.

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