Date: Tue, 31 Aug 2004 20:39:08 +0200 From: Geert Hendrickx <geert.hendrickx@ua.ac.be> To: oceanare@pacific.net.sg Cc: freebsd-performance@freebsd.org Subject: Re: spreading partitions over multiple drives Message-ID: <20040831183908.GA87694@lori.mine.nu> In-Reply-To: <1093958674.680.2.camel@book> References: <20040831133551.GA86660@lori.mine.nu> <4134B312.8030309@pacific.net.sg> <1093958674.680.2.camel@book>
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> Not for this usage. > > > > Fragmentation may be LESS of a problem with UFS, but a moving target > > like one big /usr (incl src, obj, ports) will get fragmented as well. > > This is how you see it. I have not heard that there is any tool to help > here. > > I would not call this fragmentation. It is more like spreading the files > from one directory all over the disk. Ok but the effect is the same: constant movement of the head. > > Splitting up partitions would reduce this fragmentation (as you are > > essentially defining some "super large blocks"), and may increase > > filesystem stability in case of crashes etc. > > > It might not affect stability but it increases the chances to fix a > problem in case of a crash. Yes I meant stability of the filesystem not of the running OS. Ok but the original question was about spreading partitions amongst multiple disks, not pro/con splitting partitions on one disk. :-) GH
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