June 2002
Beginner to intermediate
816 pages
32h 59m
English
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Installing a SCSI Hard Disk
When installing and configuring a SCSI hard disk, use the following guidelines:
If possible, avoid mixing different types of SCSI devices on the same bus. For example, if your system has a Wide Ultra2 SCSI hard disk and Ultra-SCSI CD-ROM, CD-RW, and tape drives installed, put the fast hard disk on its own SCSI bus and install the slower SCSI devices on a separate SCSI bus. If necessary, purchase and install an inexpensive SCSI host adapter to support the slower devices.
For easiest installation and configuration, use all SCAM-compliant devices.
SCAM-compliantdrives allow a SCAM-compliant host adapter to set the drive’s SCSI ID and termination status automatically.SCAM-tolerantdrives report their SCSI ID and termination status to the adapter, but you must manually change settings on the drive if SCSI ID and/or termination need to be altered.Non-SCAMdrives neither report their current settings to the adapter nor allow the adapter to reset them automatically. When using non-SCAM devices, you must manually verify settings and change them as necessary.Many SCSI problems are cable-related. The cables supplied with SCSI hard disks and host adapters are usually of decent quality, but we’ve seen some truly horrible ones. Good SCSI cables aren’t cheap, and the $3 ones you find in the bin at computer stores should be avoided. We’ve always found Adaptec SCSI cables to be both reasonably priced and of high quality.
Tip
If you plan to boot the system from a ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.