Date: Wed, 29 Mar 2000 08:44:04 -0800 (PST) From: Matthew Jacob <mjacob@feral.com> To: Andrew Gallatin <gallatin@cs.duke.edu> Cc: picapau@minmei.iqm.unicamp.br, alpha@FreeBSD.ORG, scsi@FreeBSD.ORG Subject: Re: SCSI disk problems on AS1000 Message-ID: <Pine.BSF.4.10.10003290840560.25230-100000@beppo.feral.com> In-Reply-To: <14562.4832.203053.753476@grasshopper.cs.duke.edu>
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> > Hmm.. Older DEC disks tend to not spin up when they're powered on. > I'd assumed that the FreeBSD CAM system would take care of spinning up > such disks. Can a SCSI guru out there confirm this? Bear in mind > that he's using the ncr driver, so some bets are off... > The cam_periph_error code does issue a START UNIT command, but only if scsi_error_action returns an error_action for this, which is then contingent upon what kind of error the disk returns. Frankly, this whole area of CAM is a bit too labyrynthine to state unequivocally that a START UNIT would be sent here. Sigh. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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