Date: Thu, 18 Oct 2001 16:16:15 -0700 From: "Crist J. Clark" <cristjc@earthlink.net> To: "David W. Chapman Jr." <dwcjr@inethouston.net> Cc: "Chad R. Larson" <chad@DCFinc.com>, Rasputin <rasputin@submonkey.net>, Garance A Drosihn <drosih@rpi.edu>, Doug Poland <doug@polands.org>, stable@FreeBSD.ORG Subject: Re: dirpref gives massive performance boost Message-ID: <20011018161615.F300@blossom.cjclark.org> In-Reply-To: <01c701c157fa$d8449ba0$fe0c4042@inethouston.net>; from dwcjr@inethouston.net on Thu, Oct 18, 2001 at 12:32:22PM -0500 References: <20010928141246.A15515@xor.obsecurity.org> <20011002212002.4034283f.steveo@eircom.net> <20011002214353.A653@student.uu.se> <20011018083713.A20403@polands.org> <20011018144850.A1943@shikima.mine.nu> <20011018105736.A43973@leviathan.inethouston.net> <p05101005b7f4bb89498e@[128.113.24.47]> <01c101c157f9$87868da0$fe0c4042@inethouston.net> <20011018103048.B545@freeway.dcfinc.com> <01c701c157fa$d8449ba0$fe0c4042@inethouston.net>
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On Thu, Oct 18, 2001 at 12:32:22PM -0500, David W. Chapman Jr. wrote: [snip] > Well yes, but I would like to avoid all of this if it is already using > dirpref. I currently don't have enough drive space to fully backup my 24gig > stripe set. dirpref isn't a "new feature." It is a routine that always been there. Recently, the code within dirpref was modified to build more effiecient filesystems. If the new code is in your kernel, you are using it. But this will not change how an existing set of files and directories on a filesystem is laid out. It will affect how new directories are added to the filesystem. People who do a newfs(8) are just making sure that they are starting to build a filesystem completely from scratch with the new algorithm. The newfs(8) does not change an attributes of the filesystem. -- Crist J. Clark | cjclark@alum.mit.edu | cjclark@jhu.edu http://people.freebsd.org/~cjc/ | cjc@freebsd.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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