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Date:      Thu, 17 Oct 1996 22:16:54 -0700
From:      "Justin T. Gibbs" <gibbs@freefall.freebsd.org>
To:        "Michael L. VanLoon -- HeadCandy.com" <michaelv@MindBender.serv.net>
Cc:        "Marc G. Fournier" <scrappy@ki.net>, Michael Hancock <michaelh@cet.co.jp>, Jaye Mathisen <mrcpu@cdsnet.net>, current@freebsd.org
Subject:   Re: Iozone: local vs nfs drives 
Message-ID:  <199610180516.WAA25333@freefall.freebsd.org>
In-Reply-To: Your message of "Thu, 17 Oct 1996 21:57:31 PDT." <199610180457.VAA14497@MindBender.serv.net> 

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>The Adaptec driver tells you if you have a "tagged queuing device" on
>each SCSI device:

This isn't quite true anymore - at least not if you are using the code
from the 'SCSI' branch:

ahc0: <Adaptec 274X SCSI host adapter> at 0x1c00-0x1cff irq 10 on eisa0 slot 1
ahc0: aic7770 <= Rev C, Twin Channel, A SCSI Id=7, B SCSI Id=7, 4 SCBs
(ahc0:6:0): "ARCHIVE Python 28388-XXX 5.40" type 1 removable SCSI 2
st0(ahc0:6:0): Sequential-Access density code 0x13,  drive empty
(ahc0:0:0): "QUANTUM PD1225S 3110" type 0 fixed SCSI 2
(ahc0:0:0):  Tagged Queueing Device (Queueing Enabled)
sd0(ahc0:0:0): Direct-Access 1169MB (2395980 512 byte sectors)
(ahc0:1:0): "QUANTUM PD1800S 3162" type 0 fixed SCSI 2
(ahc0:1:0):  Tagged Queueing Device (Queueing Enabled)

Those messages come from the generic SCSI layer and would say
"Disabled" if my card/driver didn't supports this feature.

>-----------------------------------------------------------------------------
>  Michael L. VanLoon                           michaelv@MindBender.serv.net
>        --<  Free your mind and your machine -- NetBSD free un*x  >--
>    NetBSD working ports: 386+PC, Mac 68k, Amiga, Atari 68k, HP300, Sun3,
>        Sun4/4c/4m, DEC MIPS, DEC Alpha, PC532, VAX, MVME68k, arm32...
>    NetBSD ports in progress: PICA, others...
>-----------------------------------------------------------------------------

--
Justin T. Gibbs
===========================================
  FreeBSD: Turning PCs into workstations
===========================================



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