Date: Fri, 17 May 1996 08:49:24 -0400 (EDT) From: Peter Dufault <dufault@hda> To: robsch@robkaos.ruhr.de (Robert Schien) Cc: freebsd-scsi@freebsd.org Subject: Re: start/stop unit Message-ID: <199605171249.IAA11989@hda> In-Reply-To: <m0uK2jS-0000FVC@robkaos.ruhr.de> from "Robert Schien" at May 16, 96 03:04:41 pm
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> > I want to turn off an unused SCSI hard drive. I tried > > scsi -f /dev/rsd0.ctl "1b 0 0 0 0 0" > > but this does not work : ( You need at least a "-c" in there to tell it that this is a command, i.e., > scsi -f /dev/rsd0.ctl -c "1b 0 0 0 0 0" You also need to be prepared to discover bugs in the SCSI system - this may work, this may not. Aside: I don't want to discourage you from screwing around with "-c" - it is great for prototyping and I've used it in bringing up interfaces to a few screwy devices without having to do anything but command files. But keep in mind that you are operating without a safety net and you are likely to find problems. A second scsi bus, if you have it, is the safest way to go until you are sure everything works OK. -- Temporarily via "hdalog@zipnet.net"... Peter Dufault Real-Time Machine Control and Simulation HD Associates, Inc. Voice: 508 433 6936 dufault@hda.com Fax: 508 433 5267
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