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Table 29 DLT SRAM Check test details (continued)
DLT SRAM Check test
Details/System Performance
test
NOTE: For instructions on how to perform this test, see .
Run the short version of the test when you suspect the drive may be responsible for
CRC errors and want to do a quick test to verify. Run the long version to perform a
more extensive analysis.
When to run
~20 minutes (short version), or up to 1.5 hours (long version).Average duration
You must have a write-enabled tape in the drive, and the drive must be ready before
starting this test or it will fail. Test will overwrite all data on the media.
Other notes
DLT 8000Available for
DDS Media Assessment test
Table 30 DDS Media Assessment test details
DDS Media Assessment test
Details/System Performance
test
The DDS Media Assessment test is able to evaluate two aspects of the DDS media:Description
• The quality of the data that is written to the media.
• The condition of the media itself.
The default operation is to perform a Read Only test, which analyzes the data currently
on the media to ensure that it is written at a high quality.
The other test type is an Overwrite test, which performs a write/read test on the media,
overwriting any data currently on the media. The Overwrite test ensures that the media
can be successfully written to, which will verify whether the media is in good condition.
If the Read Only (data quality assessment) test fails, HP recommends that the media
be checked using the Overwrite test and that the data be re-written.
If the Overwrite (media assessment) test fails, HP recommends that the media be retired.
It should not be used for further backups.
This test can only be run if the drive used has recently passed the DDS Drive Assessment
test, which will ensure that any failures can be specifically attributed to the media.
CAUTION: This test is destructive (if the Test Type option is Overwrite) and will
overwrite data on the media that is present in your device.
NOTE: For instructions on how to perform this test, see “Running tests and
device-specific utilities” (page 29), “Running the tests (CSI)” (page 50) or “Running
tests (CLF)” (page 64).
When to run
• Run this test with the Test Type option set to Read Only (default) when you
want to check that the data on tape is of a high quality.
• Run this test with the Test Type option set to Overwrite when you want to
check that the media itself is in good condition.
Test times vary greatly depending on drive type, media quality, and options selected.
With the default test options, the average time is approximately 8 minutes for a healthy
drive with a good tape.
Average duration
108 Tests
- Abstract 1
- Contents 3
- 4 Contents 4
- Contents 5 5
- 6 Contents 6
- Contents 7 7
- 8 Contents 8
- 1 Introduction 9
- What's new 10
- Autoloaders 12
- Tape drives 12
- Operating system specific 12
- Generic to tool 12
- 2 Using L&TT on Windows 14
- Starting L&TT 16
- I/O mode 18
- Application window layout 20
- ◦ Libraries and autoloaders 21
- ◦ Drives 21
- ◦ Enclosures and processors 21
- ◦ Other devices 21
- 22 Using L&TT on Windows 22
- 24 Using L&TT on Windows 24
- Managing firmware 25
- 26 Using L&TT on Windows 26
- Uploading firmware to devices 27
- Advanced options 28
- Using test screen 29
- 30 Using L&TT on Windows 30
- Aborting a test 31
- Using the utility screen 32
- Managing firmware 33 33
- Extracting a support ticket 34
- Managing firmware 35 35
- 36 Using L&TT on Windows 36
- Managing firmware 37 37
- Installation 38
- Installing L&TT for HP-UX 39
- Unistalling previous versions 40
- Installing L&TT for Mac 41
- Navigating the screens 42
- Figure 20 Command Help screen 43
- Standalone devices 45
- Acquiring firmware files 48
- Viewing test results 52
- Support ticket compression 55
- Generating an event log 58
- Viewing an event log 58
- 4 Command line functionality 59
- Command line functions 60
- Configuring L&TT 61
- Scanning the bus 62
- Listing supported tests (CLF) 63
- Running tests (CLF) 64
- Performing a firmware update 66
- Return values 70
- Diagnostic tests 71
- Drive Specific tests 72
- Device Analysis test 73
- Media Specific tests 74
- Media Validation test 76
- MO Media Validation test 77
- LTO Stuck Tape test 77
- LTO Media Assessment test 78
- LTO Data Assessment test 78
- Library Exerciser test 79
- Using the new version 80
- Using the original version 81
- Library Read Write test 82
- Other tests 85
- Installation Check test 86
- Connectivity test 86
- LTO Cooling Check test 87
- Data Compression test 87
- LTO Encryption test 88
- Device Self-test 89
- Move test 90
- Read/Write Stress test 90
- Full Sweep test 91
- Read/Write test 91
- Performance tests 94
- Performance tests 95 95
- 96 Tests 96
- Running on non-Windows 97
- Figure 38 Test options screen 98
- Performance tests 99 99
- 100 Tests 100
- Performance tests 101 101
- 102 Tests 102
- Performance tests 103 103
- 104 Tests 104
- Performance tests 105 105
- DDS Media Assessment test 108
- DDS Cooling test 109
- Utility functions 110
- Compare Statistics utility 111
- Device Configuration test 111
- Force Tape Eject utility 112
- LTO6 EEPROM download utility 112
- Read Media IDs 113
- Tape Erase utility 113
- Re-initialize LTFS tape 114
- 6 Reports and support tickets 115
- System information 117
- Drive identity 119
- STTF support ticket 119
- 7 Additional functionality 122
- Available options 124
- Windows only 125
- CSI only 125
- 126 Additional functionality 126
- Using passwords 128
- Using the Move Media function 129
- 130 Additional functionality 130
- 132 Additional functionality 132
- Running plugins 133
- Using the quiet mode feature 134
- 136 Additional functionality 136
- Using the Tool Status Report 137
- 138 Additional functionality 138
- Reboot criteria 140
- Files installed on the system 142
- Figure 64 ESL G3 service port 145
- Known issues and limitations 146
- 10 Frequently asked questions 147
- Support ticket questions 150
- Tests questions 151
- Backup and restore questions 151
- Media questions 152
- Is my LTO tape OK? 153
- Is my non-LTO tape OK? 153
- Windows questions 154
- Windows questions 155 155
- CSI questions 156
- CSI questions 157 157
- CSI questions 159 159
- 11 Troubleshooting 160
- Troubleshooting devices 161 161
- 162 Troubleshooting 162
- Backup failed 163
- Getting support 164
- Contacting HP 164
- Other HP websites 164
- A Operating system support 165
- B Discontinued products 166
- Performing the update 167
- DLT VS80/DLT1 168
- DLT 4000/7000/8000 169
- HP DDS/DAT 170
- Compaq/Sony AIT & DDS 171
- D Support ticket fields 172
- Drive configuration 173
- Drive environment 173
- Drive performance 174
- Drive usage 174
- Drive history 175
- Cartridge identity 176
- Cartridge health 176
- Cartridge configuration 176
- Cartridge environment 177
- Cartridge performance 177
- Cartridge usage 177
- Cartridge history 178
- Classic support ticket 178
- 180 Index 180
- 182 Index 182
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