Date: Wed, 29 Mar 2000 20:51:08 +0200 From: Wilko Bulte <wilko@yedi.iaf.nl> 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: <20000329205108.D2044@yedi.iaf.nl> In-Reply-To: <14562.4832.203053.753476@grasshopper.cs.duke.edu>; from gallatin@cs.duke.edu on Wed, Mar 29, 2000 at 09:32:24AM -0500 References: <20000325181342.A88910@minmei.iqm.unicamp.br> <14557.27001.718759.711008@grasshopper.cs.duke.edu> <20000329092158.A96147@minmei.iqm.unicamp.br> <14562.2571.201291.426577@grasshopper.cs.duke.edu> <20000329111836.A10213@minmei.iqm.unicamp.br> <14562.4832.203053.753476@grasshopper.cs.duke.edu>
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On Wed, Mar 29, 2000 at 09:32:24AM -0500, Andrew Gallatin wrote: > > Andre Severo writes: > > > > My apologies for such an obscure sentence =) > > > > What I meant by that was that I had to use the command "exerc" > > on the srm monitor prior to the boot procedure to sort of > > "warm up" the disks. > > > > Without this "warm up exercise" for a few seconds the disks are detected but > > their size is not assessed (this failure is what I meant by > > "taken to be offline"). > > > 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 Yes it does. But a SHOW DEVICES on SRM also does it if I remember correctly. I had no troubles when I tested one of the 4.0-RC on our 1000A. I no longer have a 1000 available. This was using DEC RZxx disks. -- Wilko Bulte Arnhem, The Netherlands http://www.tcja.nl The FreeBSD Project: http://www.freebsd.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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