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- From: bill@mathnx.math.byu.edu (Bill Smith)
- Newsgroups: comp.sys.next.hardware
- Subject: Re: SCSI Treatment
- Date: 29 Dec 1992 17:43:31 GMT
- Organization: Brigham Young University
- Lines: 39
- Distribution: world
- Message-ID: <1hq2o3INN19m@hamblin.math.byu.edu>
- References: <1992Dec28.110145.11642@mic.ucla.edu>
- NNTP-Posting-Host: mathnx.math.byu.edu
-
- In article <1992Dec28.110145.11642@mic.ucla.edu> iwelch@agsm.ucla.edu (Ivo
- Welch) writes:
- > After my twentieth problem with connecting/disconnecting SCSI disk
- > drives, I am wondering about the proper "protocol" of handling
- > connecting/disconnecting/transporting them.
- >
- > [1] I understand that first the host should be synced and halted.
- > Question: Does the host also need to be powered down, or is the
- > ROM Monitor sufficient.
- >
- > (then) [2] Should the hard disk be powered down before it is removed
- > from the SCSI chain, or can I unplug it from the SCSI chain with
- > power on?
- >
- > (then) [3] Is it safer to move the hard disk with power on or with
- power
- > off? A repair man once told me that the air pressure from a running
- > disk is a better warranty that the head won't touch the disk.
- >
- > Oh, I own an Imprimis 94601-15 and a Seagate ST41650 disk.
- >
- > /ivo
-
- Well, I can tell you that our hardware guy would wince at the very
- thought of doing anything without a complete power down of external
- drive and machine. Then power up drive, then machine.
- -Bill
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