From owner-freebsd-scsi  Wed Mar 29  6:33:11 2000
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From: Andrew Gallatin <gallatin@cs.duke.edu>
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Date: Wed, 29 Mar 2000 09:32:24 -0500 (EST)
To: picapau@minmei.iqm.unicamp.br
Cc: alpha@FreeBSD.ORG, scsi@FreeBSD.ORG
Subject: SCSI disk problems on AS1000
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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
that he's using the ncr driver, so some bets are off...

Drew




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