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Date:      Tue, 17 Jul 2001 20:04:39 +0200
From:      "Karsten W. Rohrbach" <karsten@rohrbach.de>
To:        Cy Schubert - ITSD Open Systems Group <Cy.Schubert@uumail.gov.bc.ca>
Cc:        freebsd-stable@FreeBSD.ORG
Subject:   Re: Regarding New FreeBSD BenchMark From Sysadmin Mag (left out a fiew tuning options)
Message-ID:  <20010717200439.F18481@mail.webmonster.de>
In-Reply-To: <200107140128.f6E1Stx06358@cwsys.cwsent.com>; from Cy.Schubert@uumail.gov.bc.ca on Fri, Jul 13, 2001 at 06:28:02PM -0700
References:  <200107130205.f6D250Y136048@saturn.cs.uml.edu> <200107140128.f6E1Stx06358@cwsys.cwsent.com>

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[-- Attachment #1 --]
Cy Schubert - ITSD Open Systems Group(Cy.Schubert@uumail.gov.bc.ca)@2001.07.13 18:28:02 +0000:
[...]
> concerned with data integrity as opposed to performance figures, will 
> ship their drives with WCE disabled.  The default your drive will be 
> shipped with depends on the drive's manufacturer.

ibm ships them WC enabled:

root@WM:datasink[/]29# camcontrol modepage da0 -m 0x08 -P3
IC:  0
ABPF:  0
CAP:  0
DISC:  0
SIZE:  0
WCE:  1
MF:  0
RCD:  0
Demand Retention Priority:  0
Write Retention Priority:  0
Disable Pre-fetch Transfer Length:  65535
Minimum Pre-fetch:  0
Maximum Pre-fetch:  65535
Maximum Pre-fetch Ceiling:  65535
root@WM:datasink[/]30# camcontrol inquiry da0         
pass0: <IBM DDYS-T36950N S80D> Fixed Direct Access SCSI-3 device 
pass0: Serial Number         4FY17700
pass0: 160.000MB/s transfers (80.000MHz, offset 63, 16bit), Tagged
Queueing Enabled

/k

-- 
> Open Minds. Open Sources. Open Future.
KR433/KR11-RIPE -- WebMonster Community Founder -- nGENn GmbH Senior Techie
http://www.webmonster.de/ -- ftp://ftp.webmonster.de/ -- http://www.ngenn.net/
karsten&rohrbach.de -- alpha&ngenn.net -- alpha&scene.org -- catch@spam.de
GnuPG 0x2964BF46 2001-03-15 42F9 9FFF 50D4 2F38 DBEE  DF22 3340 4F4E 2964 BF46
Please do not remove my address from To: and Cc: fields in mailing lists. 10x

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