HP StorageWorks DAT Series User Manual

HP StorageWorks DAT - Troubleshooting for HP
StorageWorks DAT8, DAT24, DAT40, and DAT72
Introduction
This document provides troubleshooting steps for some of the most common issues along with links
for additional information if needed. Also, a list of other useful links is listed below.
Troubleshooting issue symptoms
Software/application issue
LEDs issue
Back-up problem
Restore problem
Stuck tape
Drive hung (communication failure)
Media problem
Performance issue
Capacity Loss
Load/unload problem
Installation/configuration issue
Read/write problem
Cleaning issue
Broken/wrong/missing part
Useful links
HP Library and Tape Tools (www.hp.com/support/tapetools)
Performance help (www.hp.com/support/pat)
Compatibility help (www.hp.com/go/connect)
HP DDS Manuals
Warranty information
HP Support contact information
Software/application issue
Try in the following order:
1. Run Library and Tape Tools Device Analysis test
.
2. Check driver is correct and installed
.
3. If Windows NT4 - check driver location in the operating system
.
4. If Windows NT4 - check SCSI connectivity
.
5. If Windows NT4 - check tape device detected by operating system
.
6. If Windows NT4 - check if native driver is loaded
.
7. If Windows 2000 - check driver location in the operating system
.
8. If Windows 2000 - check if there is a plug and play issue
.
9. If Windows 2000 - check for driver issues
.
10. If Windows 2000 - check removable storage manager
.
11. Check system event logs
.
Field Code Changed

HP StorageWorks DAT Series Specifications

General

Brand	HP
Model	StorageWorks DAT Series
Category	Storage
Language	English

Summary

Software/application issue

Run Library and Tape Tools Device Analysis

Run the Device Analysis Test in HP Library and Tape Tools (L&TT).

Check driver and OS configuration

Verify driver installation, OS compatibility, and system settings.

Analyze error logs and software issues

Decode driver errors, check event logs, and troubleshoot software compatibility.

LEDs issue

Interpret front panel LED status

Verify front panel LEDs to diagnose drive status and issues.

Troubleshoot specific LED error conditions

Diagnose issues for off, flashing, or constantly lit LEDs (Clean, Tape).

Back-up issue

Run Library and Tape Tools for backup diagnostics

Use L&TT for Device Analysis, Read/Write, and Media Validation Tests.

Verify backup configuration, media, and logs

Check media, logs, schedule, software compatibility, and drive cleaning.

Restore issues

Check data availability and media integrity

Verify data on tape, media condition, and drive cleaning.

Run Library and Tape Tools for restore diagnostics

Use L&TT for Device Analysis and Media Validation Tests for restore issues.

Stuck tape issue

Attempt manual and forced tape ejection

Use manual and forced eject methods to remove stuck tape.

Troubleshoot drive power, configuration, and software

Power cycle, check SCSI/HBA/driver config, and software commands.

Hung drive issue

Use Library and Tape Tools for connectivity

Use L&TT to check connectivity to a hung drive.

Troubleshoot drive power, configuration, and hardware

Power cycle, check SCSI/HBA/driver config, inspect cables, test in another system.

Media issue

Check correct media and perform validation test

Verify correct DDS media usage and perform L&TT validation.

Inspect media for damage and check drive cleaning

Examine media for damage and ensure the drive is cleaned regularly.

Troubleshoot media usage and LED status

Address issues from high media usage and flashing Clean LED.

Performance issue

Check performance using HPTapePerf

Measure tape drive performance using HPTapePerf tool.

Run Library and Tape Tools for performance checks

Use L&TT for drive analysis and read/write tests for performance.

Capacity loss issue

Check compression and media type

Verify drive compression ratio and correct media type.

Check file system for compression limitations

Understand file system limitations for compressing specific file types.

Load/unload issue

Check media loading and ejection process

Verify media loads correctly and ejects after insertion.

Troubleshoot media stuck in drive

Diagnose media stuck due to door issues or repeated eject attempts.

Installation/configuration issue

Verify system and software compatibility

Check tape drive, server, OS, and software compatibility.

Check driver status and connectivity

Verify driver is loaded and check connectivity with L&TT.

Read/write issue

Run Library and Tape Tools diagnostic tests

Use L&TT Device Analysis, Read/Write, and Media Validation tests.

Check drive cleaning and firmware status

Ensure the drive is clean and running the latest firmware.

Broken/wrong/missing part issue

Find part numbers and compatibility information

Access drive part numbers and compatibility matrix.