Date: Fri, 20 Feb 1998 15:02:27 +0200 (IST) From: Nadav Eiron <nadav@barcode.co.il> To: Francis Vidal <francis@cody.usls.edu> Cc: FreeBSD Questions <FreeBSD-Questions@FreeBSD.ORG> Subject: Re: disk fragmentation Message-ID: <Pine.BSF.3.96.980220150024.20965A-100000@gatekeeper.barcode.co.il> In-Reply-To: <Pine.BSF.3.96.980220210105.182A-100000@cody.usls.edu>
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On Fri, 20 Feb 1998, Francis Vidal wrote: > if the system reports a certain number of percentage in disk > fragmentation (i.e. 5.6% fragmented), what is the impact to the > performance of the entire system if the level of fragmentation becomes > high or what is the watermark for a tolerable fragmentation. > > how do you lower disk fragmentation? is there a program to do such thing? > > thanks! Fragmentation in ffs is not what it means in DOS FAT volumes. Fragmentation means that there are files that do not feel complete blocks and are allocated a part of a block. ffs automatically attempts to keep parts of a file close on the disk, so there's no need for defragmentation like there is in FAT. See /usr/share/doc/smm/05.fastfs (assuming you installed the doc distribution). > > --- > francis vidal | usls.NET | university of st. la salle, bacolod city, PH > PGP key available at ftp://ftp.usls.edu/pub/pgpkeys/francis.pgp > "birds of the same feathers are birds!" - rhoderick samonte's class > Nadav To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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