Date: Thu, 8 Oct 1998 02:05:05 -0500 (CDT) From: Kevin Day <toasty@home.dragondata.com> To: Marius.Bendiksen@scancall.no (Marius Bendiksen) Cc: freebsd-current@FreeBSD.ORG Subject: Re: CDROM as system disk Message-ID: <199810080705.CAA10059@home.dragondata.com> In-Reply-To: <3.0.5.32.19981008085114.0091f220@mail.scancall.no> from Marius Bendiksen at "Oct 8, 98 08:51:14 am"
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> >Depending on if your delays between seeks are enough time for the drive to > >spin down or not are a big factor. (spin down/spin up/seek/read is nasty) > > How much work would it take to tweak the CDROM driver to wait 5-15 minutes > (or, perhaps add an option somewhere, to make it dynamically configurable) > before spinning down? I think that would solve some of the problem. > > Of course, you'd probably need cooling if you're going to have a 32x at > full spin all the time. > --- > Marius Bendiksen, IT-Trainee, ScanCall AS > I don't believe that this is possible. The drive's firmware decides when to spin up/down. They spin down after only a few seconds because the drives seem to rip themselves apart under constant use. Heat also gets interesting in fast drives. :) Kevin To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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