Troubleshooting scsi hard drives – Dell PowerEdge 850 User Manual
Page 37
l
Missing or corrupted tape-backup software or tape-drive device driver.
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Defective SCSI controller card.
Action
1.
Run the System Setup program and ensure that the secondary SCSI channel is enabled and set to SCSI.
See "Using the System Setup Program" in your User's Guide.
2.
Remove the tape cartridge you were using when the problem occurred, and replace it with a tape cartridge that you know works.
3.
Ensure that the SCSI device drivers for the tape drive are installed and are configured correctly.
4.
Reinstall the tape-backup software as instructed in the tape-backup software documentation.
5.
Ensure that the tape drive's interface cable is connected to the tape drive and SCSI controller card.
6.
Verify that the tape drive is configured for a unique SCSI ID number and that the tape drive is terminated or not terminated, based on the interface
cable used to connect the drive.
See the documentation for the tape drive for instructions on selecting the SCSI ID number and enabling or disabling termination.
7.
Run the appropriate online diagnostics tests. See "
Using Server Administrator Diagnostics
" in "Running System Diagnostics."
8.
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
9.
Open the system. See "
10.
Check that the SCSI controller card is firmly seated in its connector. See "
Installing an Expansion Card
" in "Installing System Components."
11.
12.
Reconnect the system to the electrical outlet, and turn on the system, including attached peripherals.
13.
If the problem is not resolved, see the documentation for the tape drive for additional troubleshooting instructions.
14.
If you cannot resolve the problem, see "
Getting Help
" for information on obtaining technical assistance.
Troubleshooting SCSI Hard Drives
Troubleshooting a Hot-Plug or Front-Access (Non-Hot-Plug) SCSI Hard Drive
Problem
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Device driver error.
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Hard drive not recognized by the system.
Action
1.
Run the appropriate online diagnostic test. See "
Using Server Administrator Diagnostics
" in "Running System Diagnostics."
If the test fails, continue to the next step.
2.
Run the SCSI controllers test and the hard-drive tests in the system diagnostics. See "
Running the System Diagnostics
."
CAUTION:
See your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting
against electrostatic discharge.
NOTICE:
This procedure can destroy data stored on the hard drive. Before you continue, back up all files on the hard drive.