Date: Mon, 10 May 2004 22:08:45 +0200 (CEST) From: Julien Gabel <jpeg@thilelli.net> To: FreeBSD-gnats-submit@FreeBSD.org Subject: docs/66493: [PATCH] Little updates for the tuning(7) man page: bsdlabel(8) and sysctl hw.ata.tags Message-ID: <20040510200845.74D071701F@boboche.thilelli.net> Resent-Message-ID: <200405102010.i4AKAFhc017590@freefall.freebsd.org>
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>Number: 66493 >Category: docs >Synopsis: [PATCH] Little updates for the tuning(7) man page: bsdlabel(8) and sysctl hw.ata.tags >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-doc >State: open >Quarter: >Keywords: >Date-Required: >Class: doc-bug >Submitter-Id: current-users >Arrival-Date: Mon May 10 13:10:15 PDT 2004 >Closed-Date: >Last-Modified: >Originator: Julien Gabel >Release: FreeBSD 5.2.1-RELEASE-p6 i386 >Organization: >Environment: System: FreeBSD boboche.thilelli.net 5.2.1-RELEASE-p6 FreeBSD 5.2.1-RELEASE-p6 #0: Sun May 9 15:06:19 CEST 2004 root@boboche.thilelli.net:/usr/obj/usr/src/sys/BOBOCHE i386 >Description: Update the tuning(7) manual page in order to reflect the use of bsdlalbel(8) instead of disklabel(8) ; and remove the note about the "new experimental feature" via the hw.ata.tags tunable which seems not longer exists. >How-To-Repeat: At the prompt: $ man 7 tuning And read... :) >Fix: Here is a quick patch for the corresponding manual page source: $ diff -u /usr/src/share/man/man7/tuning.7 man7/tuning.7 --- /usr/src/share/man/man7/tuning.7 Mon Sep 15 01:44:55 2003 +++ man7/tuning.7 Mon May 10 21:57:53 2004 @@ -12,7 +12,7 @@ .Nd performance tuning under FreeBSD .Sh SYSTEM SETUP - DISKLABEL, NEWFS, TUNEFS, SWAP When using -.Xr disklabel 8 +.Xr bsdlabel 8 or .Xr sysinstall 8 to lay out your file systems on a hard disk it is important to remember @@ -858,18 +858,6 @@ .Xr ata 4 man page. .Pp -There is a new experimental feature for IDE hard drives called -.Va hw.ata.tags -(you also set this in the boot loader) which allows write caching to be safely -turned on. -This brings SCSI tagging features to IDE drives. -As of this -writing only IBM DPTA and DTLA drives support the feature. -Warning! -These -drives apparently have quality control problems and I do not recommend -purchasing them at this time. -If you need performance, go with SCSI. .Sh CPU, MEMORY, DISK, NETWORK The type of tuning you do depends heavily on where your system begins to bottleneck as load increases. @@ -934,7 +922,7 @@ .Xr boot 8 , .Xr ccdconfig 8 , .Xr config 8 , -.Xr disklabel 8 , +.Xr bsdlabel 8 , .Xr fsck 8 , .Xr ifconfig 8 , .Xr ipfw 8 , >Release-Note: >Audit-Trail: >Unformatted:
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