SCSI Termination, Continued

Connecting Non-Disk SCSI Devices SCSI Tape drives, scanners, CD-ROM drives, and other non-disk drive devices must each have a unique SCSI ID regardless of the SCSI channel they are attached to. The general rule for Unix systems is:

•tape drive set to SCSI ID 2

•CD-ROM drive set to SCSI ID 5

Make sure that no hard disk drives are attached to the same SCSI channel as the non-disk SCSI devices. Drive performance will be significantly degraded if SCSI hard disk drives are attached to this channel.

Warning

Since all non-disk SCSI devices are single ended, it is not advisable to attach a non-disk device to a MegaRAID Express 500 RAID controller if LVD disk drives are also attached because the SCSI bus will then operate in single ended mode.

Chapter 6 Hardware Installation

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