Date: Thu, 18 Oct 2001 12:32:22 -0500 From: "David W. Chapman Jr." <dwcjr@inethouston.net> To: "Chad R. Larson" <chad@DCFinc.com> Cc: "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: <01c701c157fa$d8449ba0$fe0c4042@inethouston.net> 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>
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> On Thu, Oct 18, 2001 at 12:22:57PM -0500, David W. Chapman Jr. wrote: > > I'm not looking to turn if off or on, just to see whether a file system of > > mine has that capability in it or if I need to newfs it. > > If it's a UFS, and you're running a new enough kernel, it's getting > done. Of course, it can only be smart about stuff written to the > disk after you built the new kernel. If your disk is mostly empty, > you're cool. If it's pretty full you should back it up, delete > everything (newfs is the fastest way) and then restore all your > data. > > Most easily done by temporarily adding an additional drive big > enough to hold all your stuff, and booting a fixit disk. > 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. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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