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Date:      Tue, 29 May 2001 13:05:06 -0400
From:      David Gilbert <dgilbert@velocet.ca>
To:        Dan Nelson <dnelson@emsphone.com>
Cc:        Gallagher <mgllghr@bu.edu>, freebsd-questions@FreeBSD.ORG
Subject:   [FBSD-Q] Re: Waiting 15 seconds for SCSI devices to settle
Message-ID:  <15123.54978.544734.274684@trooper.velocet.net>
In-Reply-To: <20010529101226.A12346@dan.emsphone.com>
References:  <Pine.A41.4.10.10105290711130.106892-100000@acs5.bu.edu> <20010529101226.A12346@dan.emsphone.com>

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>>>>> "Dan" == Dan Nelson <dnelson@emsphone.com> writes:

Dan> In the last episode (May 29), Gallagher said:
>> I am curious if there is any way to change the "Waiting 15 seconds
>> for SCSI devices to settle", in the kernel configuration to
>> something less, or whether the 15 seconds was absolutely neccesary?
>> If it's necessary for the SCSI card, that's acceptable, but I would
>> like to speed it up if I can.  Thanks!

Dan> I usually set "options SCSI_DELAY=1000" (1 second) in my kernel
Dan> config file.

I often set it in the 2 to 5 second range on most of my machines.  It
doesn't seem bad to underestimate with modern cam, either.  On my
workstation, the CDROM drives tend to appear about 10 seconds after
the probe ... so cam attaches them while /etc/rc is doing it's stuff.

Dave.

-- 
============================================================================
|David Gilbert, Velocet Communications.       | Two things can only be     |
|Mail:       dgilbert@velocet.net             |  equal if and only if they |
|http://www.velocet.net/~dgilbert             |   are precisely opposite.  |
=========================================================GLO================

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