LTO 960 SCSI G66D Firmware release notes (Q1538-90930, June 2008)

Description

This document outlines the main changes for the G66D ﬁrmware maintenance release version. These

changes are a combination of customer reported issues and enhancements found via HP internal testing.

Update recommendation Recommended

Supersedes G64D

Product models

HP Storageworks 960i Q1538A

HP Storageworks 960e Q1539B

HP Storageworks 960m (Rack Mount) Q1540A

Operating systems

Cross opera

ting system (BIOS, Firmware, Diagnostics, etc.)

Enhancements

In this code release, the Drive Error LED is turned on when a DSP fault 0x7708 (Actuator Stroke Size

Too Small) occurs.

Fixes

Drive hangs

This code introduces improvements for hangs which could occur during writing operation.

Read/space issues

• This code

version introduces improvements in the logical positioning function to cater for the rare

occasion

s where non-inquiry fast commands are aborted.

• This code revision introduces improvements in reading tapes written by non-HP drives. Those

improvements are an additional read retry and a change to an existing read retry algorithm, as

wellasintheformofmoreoptimizeddrivetuning.

• This cod

e version introduces improvements in spacing/positioning o perations for corner case

scripts

which use very large record sizes. In c ases where 1Mb/2Mb records were written and

2Mb/4M

b reads were requested, possible m ispositioning errors are eliminated.

This co

de introduces improvements for hangs which could occur during writing o peration.

Write issues

This code introduces improvements in the DSP tape expansion and tape tilt algorithms, to help in several

situations, such a s when thermal events occur.

Cartridge, cartridge memory and MAM

This code version introduces a feature to avoid any unnecessary warning messages from an LTO-4

compliant software application.

LTO 960 SCSI G66D Firmware release notes