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HP StorageWorks Library and Tape Tools FAQ - Windows GUI Version


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... user guide. For much data can I write to the tape 26 How do I send a support ticket by e-mail 27 How do I send an L&TT event log 29 How do I send the results of the assessment test to help you follow instructions from HP support. HP StorageWorks Library and Tape Tools FAQ Other languages: French, German, Spanish, Italian, Korean, Japanese, Chinese This document: www.hp.com/support/lttfaq Windows GUI version...
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HP StorageWorks Library and Tape Tools FAQ - Windows GUI Version


Page 3
The download version is preferred as it could be the backup server, but it is the latest version. • Install L&TT on the CD that can "see" your tape drive. How do I install L&TT? • L&TT is available for free download from http://www.hp.com/support/tapetools and on any server that came with your drive. This is most likely to be another server if you are using a SAN. • You will need the tape driver installed to run the performance tests.
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HP StorageWorks Library and Tape Tools FAQ - Windows GUI Version


Page 4
How do I run L&TT? 1. Use defaults in pop-ups 5. Wait for L&TT to work with Install L&TT 2. Select the device you want to scan and find your devices 6. Turn off services that may lock the tape drive such as backup software services and Removable Storage Service (RSM) 3. Double click on the desktop icon 4.
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HP StorageWorks Library and Tape Tools FAQ - Windows GUI Version


Page 6
How do I check my drive is installed correctly? 1. Leave L&TT installed for future use the drive 5. If it can, select that device and run L&TT 2. Install and run the device performance test to use - See if it will be corrected before attempting to verify the HBA, cabling and drive are not causing any bottlenecks 4. Any issues should be requested by support it finds your device during the scan 3.
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HP StorageWorks Library and Tape Tools FAQ - Windows GUI Version


Page 7
How do I use L&TT to find my drive serial number? • Install and run L&TT • Select the device and click Identity on the toolbar. • The serial number is displayed under the Device Information tab. • It is also available from the support ticket.
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HP StorageWorks Library and Tape Tools FAQ - Windows GUI Version


Page 8
If not please refer to date? Select the device and click Firmware on the toolbar. 3. How do I verify that my drive's firmware is up to the user guide. 1. You will need internet access for this. In the Local Firmware Files tab, click Get Firmware from Web. Install and run L&TT 2.
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HP StorageWorks Library and Tape Tools FAQ - Windows GUI Version


Page 11
The support ticket contains a section called Device Analysis, which examines the logs within the drive and gives an assessment of their health along with appropriate recommendations. In the Support ticket tab, click Extract or Refresh Device Data. 4. Use this to examine the ticket. Click View Support Ticket. 5. The ticket viewer will appear. Install and run L&TT 2. Select the device and click Support on the toolbar. 3. How do I generate a support ticket? 1.
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HP StorageWorks Library and Tape Tools FAQ - Windows GUI Version


Page 13
Install and run the Drive Assessment Test? 1. Select the device and click Test on the toolbar. 3. In the Test Execution tab, select the drive 4. Open the Test Results tab to see the results of the test. 7. If the test fails with a known, good tape then the drive... Red stop signs indicate failures. Select the Drive Assessment test from Test Group. • Leave the options as default. • Use a known good, preferably new, tape that can be observed but are not critical. 8. Contact HP support and send the results in the ResultLog.ltt file. Warnings should be overwritten. 5....
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HP StorageWorks Library and Tape Tools FAQ - Windows GUI Version


Page 15
... drive. HP recommends that you use a known good (preferably new) tape to ensure that the test is okay and a problem remains, examine other system components or the overall configuration to accurately determine the health of the problem. Contact support in this indicates a faulty drive. The test evaluates whether or not a specific drive/tape combination will perform backups and restores as expected. If the test fails using a good tape...
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HP StorageWorks Library and Tape Tools FAQ - Windows GUI Version


Page 16
... any of the tape from a data volume perspective. Check the following information: a. Repeat the procedure with the tape. Load/unload life shows the age of these categories display questionable information, there may be an issue with a trusted, good quality tape to Detailed Device information > Tape at address > (loaded tape) > Cartridge Health in the support ticket and examine the margins. Write/read life shows the...
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HP StorageWorks Library and Tape Tools FAQ - Windows GUI Version


Page 17
In the Test Execution tab, select the drive 5. Select the device and click Test on the toolbar. 4. Select the Media Validation test from Test Group. 6. Click Start Test. The test will read the whole tape so may take a long time. 7. Install and run L&TT 3. Open the Test Results tab to see the results of my data cartridge? (Non-LTO) 1. How do I check the health of the test. Load the data cartridge into a drive of known good health. 2.
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HP StorageWorks Library and Tape Tools FAQ - Windows GUI Version


Page 18
... data as viewed by the drives that wrote it. 3. o Drive measurements measures the quality of these categories display warnings, the backup may be suspect. Check the following information: o Data on tape measures the quality of the data written on which the backup was performed. 2. After the backup, generate a support ticket for the drive on the tape. Go to Detailed Device information > Tape at address > (loaded tape) > Cartridge Health in the support...
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HP StorageWorks Library and Tape Tools FAQ - Windows GUI Version


Page 19
Go to Detailed Device information > Tape at address > Ejected Tape > Cartridge Usage section of the support ticket to see the number of cleans performed and the estimated number of cleans remaining. How many more uses are left with this cleaning cartridge? (LTO only) 1. After the clean is finished, generate a support ticket for the drive that was just cleaned. 3. Perform a clean as you normally would. 2.
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HP StorageWorks Library and Tape Tools FAQ - Windows GUI Version


Page 20
How fast will be the slower of these two measurements. • Use the Device Performance test to measure the speed of the tape drive. • Use the System Performance Backup Pre-test to the tape. Note this test is significantly slower. Backup performance will my backups be written to measure the speed of the backup application. To determine backup performance, you must measure how fast the disks can deliver data and how fast data can be ? Please check with your backup vendor if actual backup performance is independent of the disk subsystem.
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HP StorageWorks Library and Tape Tools FAQ - Windows GUI Version


Page 21
How fast will be the slower of these two measurements. • Use the Device Performance test to measure the speed of the tape drive. • Use the System Performance Restore Pre-test to disk. Note this test is significantly slower. Restore performance will my restores be written to measure the speed of the backup application and uses test restore data. To determine restore performance, you must measure how fast data can be read reads from tape and how fast data can be ? Please check with your backup vendor if actual backup performance is independent of the disk subsystem.
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HP StorageWorks Library and Tape Tools FAQ - Windows GUI Version


Page 22
How do I run L&TT 2. or as shown - Set parameters as preferred - See Drive Performance Results tab for results and start 4. Select the device and click Dev Perf on the toolbar. 3. Install and run the Device Performance test? 1.
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HP StorageWorks Library and Tape Tools FAQ - Windows GUI Version


Page 26
... ratio and reasonably good error rate. Use the Device Performance test to Full Tape 5. It may not be written to the tape? Insert the tape in the appropriate drive. 3. Note the Test Size is impacted by the compression ratio of the data and the error rate performance of data written that can I write to a tape is set to measure a specific tape/drive combination. See Drive Performance Results tab for results The...
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HP StorageWorks Library and Tape Tools FAQ - Windows GUI Version


Page 27
Use Save Support Ticket to compress them) and e-mail the archive file via another computer. • Use the email address given by e-mail? • If you have e-mail set up form with your server then 1. Archive the files (to save the ticket files (one header file and one data file for each device) into a directory. 2. How do I send a support ticket by HP support Fill out the pop-up on your details 3. Click on Send Support Ticket by Email 2. Click on Send • If not then 1.
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HP StorageWorks Library and Tape Tools FAQ - Windows GUI Version


Page 29
This log records L&TT activity and is EventLog.ltt; Open the Preferences menu. 2. Archive all the files that is recorded. 4. The most useful event logs have I/O history enabled. 1. Recreate the issue so that begin with EventLog and mail them to Event Log. 3. the rest are backups of previous EventLogs. How do I /O History to L&TT Support (LTT_team@hp.com). Locate the /logs directory. 5. You may be asked for troubleshooting L&TT issues. Check Add I send an L&TT event log? The most recent file is useful for the L&TT event log by the L&TT support team.
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HP StorageWorks Library and Tape Tools FAQ - Windows GUI Version


Page 33
Click Options... to configure Prevent Media Removal and Data Compression. 5. Start the test Select the device and click Test on or off Prevent Media Removal or hardware Data Compression? 1. Install and run L&TT 2. Select Drive Configuration Utility from Test Group. 4. How do I turn on the toolbar. 3.

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  • HP StorageWorks Library and Tape Tools FAQ - Windows GUI Version
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