Dell PowerEdge 4300 Dell PowerEdge 4300 Systems Installation and Troubleshooti - Page 122

Primary SCSI

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16. Replace the SCSI cable that connects the tape drive to the SCSI host adapter. Replace the support panel and computer cover, and then reconnect the system to the electrical outlet and turn it on. Is the problem resolved? Yes. You have fixed the problem. No. See Chapter 11, "Getting Help," for instructions on obtaining technical assistance. Hard-disk drive problems can be caused by a number of conditions, including problems with the drive itself, the SCSI backplane board, or a cable connected to the SCSI backplane board. The SCSI backplane board monitors the SCSI hard-disk drives connected to the backplane board. In the event of a drive failure, systems using the optional Dell PowerEdge Expandable RAID Controller host adapter card will issue the following signals using the drive indicator lights adjacent to each SCSI hard-disk drive: If a drive shows signs of imminent failure, the drive online indicator stays on and the drive failure indicator blinks on briefly each second. If a drive has failed, the drive online indicator turns off and the drive failure indicator blinks off briefly each second. Other drive indicator patterns are listed in Table 3-4. Use the following procedure to troubleshoot a hard-disk drive problem. 1. If the onboard SCSI host adapter is being used to control the SCSI backplane board, reboot the system and press to enter the System Setup program. Is Primary SCSI set to On? Yes. Go to step 3. No. Go to step 2. 2. Change the Primary SCSI setting to On, and reboot the system. Is the problem resolved? Yes. You have fixed the problem. No. Go to step 3. 7-34 Dell PowerEdge 4300 Systems Installation and Troubleshooting Guide

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7-34
Dell PowerEdge 4300 Systems Installation and Troubleshooting Guide
16.
Replace the SCSI cable that connects the tape drive to the SCSI host adapter.
Replace the support panel and computer cover, and then reconnect the system
to the electrical outlet and turn it on.
Is the problem resolved?
Yes.
You have fixed the problem.
No.
See Chapter 11, “Getting Help,” for instructions on obtaining technical
assistance.
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Hard-disk drive problems can be caused by a number of conditions, including prob-
lems with the drive itself, the SCSI backplane board, or a cable connected to the SCSI
backplane board.
The SCSI backplane board monitors the SCSI hard-disk drives connected to the back-
plane board. In the event of a drive failure, systems using the optional Dell PowerEdge
Expandable RAID Controller host adapter card will issue the following signals using
the drive indicator lights adjacent to each SCSI hard-disk drive:
²
If a drive shows signs of imminent failure, the drive online indicator stays on and
the drive failure indicator blinks on briefly each second.
²
If a drive has failed, the drive online indicator turns off and the drive failure indica-
tor blinks off briefly each second.
Other drive indicator patterns are listed in Table 3-4.
Use the following procedure to troubleshoot a hard-disk drive problem.
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KDUG¶GLVN²GULYH³²%HIRUH²\RX²SURFHHG´²PDNH²VXUH²\RX²KDYH²EDFNHG²XS²DOO²
WKH²ILOHV²RQ²WKH²KDUG¶GLVN²GULYH³
1.
If the onboard SCSI host adapter is being used to control the SCSI backplane
board, reboot the system and press <F2> to enter the System Setup program.
Is
Primary SCSI
set to
On
?
Yes.
Go to step 3.
No.
Go to step 2.
2.
Change the
Primary SCSI
setting to
On
, and reboot the system.
Is the problem resolved?
Yes.
You have fixed the problem.
No.
Go to step 3.