Yes, I believe that if the partitions have no more than 70% of their capacity utilized there wont be any performance issues. Please correct me if I am wrong because I havent done any benchmarks to verify this. Regards, Ahsan Ali ----- Original Message ----- From: "Chuck Campbell" <campbell@xxxxxxxxxxxx> To: "Luca Ferrari" <fluca1978@xxxxxxxxxxx> Cc: <linux-admin@xxxxxxxxxxxxxxx> Sent: Monday, April 26, 2004 9:08 PM Subject: Re: disk fragmentation > On Mon, Apr 26, 2004 at 10:18:35AM +0200, Luca Ferrari wrote: > > Hi, > > I've got a simple question about disk use under windows and unix. While > > windows sometimes requires a de-fragmentation of the disk, it seems as Linux > > (and even Unix) does not. I believe this is due to a better defragmentation > > alghoritm, but I'm not sure. Is there a daemon which does this transparently > > or what? > > No, > Unix file systems, in general, are designed to have less performance issues > from fragmentation. They aren't as susceptible inherently to fragmentation > problems. As a result, there aren't any defrag tools around that I know of. > > You can always build your own. A backup to tape will sequence all the files > contiguously on tape/disk, and a subsequent restore will put them back > that way. > > If you bother, do some benchmarks for a particular file i/o before and after > and I doubt you'll see much difference, unless your disk is very, very nearly > full. > > -chuck > - > : send the line "unsubscribe linux-admin" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > - : send the line "unsubscribe linux-admin" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
