Dell PowerVault 221S 서비스 매뉴얼 - 페이지 20

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Basic Troubleshooting : Dell PowerVault 220S and 221S Systems Service Manual

Verify that your SCSI cables meet the following minimum specifications:

NOTE:

For U160 systems -- SPI3 specification

For U320 systems -- SPI4 specification

SPI4 cables are backward-compatible and will work on U160 subsystems. However, using a

SPI3/U160 cable from another external device on a U320 enclosure may cause unpredictable and

erratic behavior that could result in data loss.

Inspect your SCSI cables for damage.

Verify that the SCSI IDs on your host system's RAID controller(s) are set up correctly. This is particularly important in a

clustered environment. Consult your RAID controller documentation for more information.

Verify that the split-bus module switch is set correctly (see

for your bus selection. For more information on cabling configurations, see your Installation and Troubleshooting Guide.

Amber LED Indicator on a Hard Drive Is Illuminated

A hard-drive failure has been detected. Replace the hard drive (do not swap). See

Back to Contents Page

file:///C|/Users/rishi_sood/Desktop/220s/en/sm/basics.htm[3/7/2013 12:09:14 PM]

"Split-Bus

Module") and that your system is properly cabled

"Removing and Installing Hard

Drives."