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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!news.mel.connect.com.au!munnari.OZ.AU!spool.mu.edu!newspump.sol.net!howland.erols.net!news.bbnplanet.com!cam-news-hub1.bbnplanet.com!news.idt.net!mr.net!news-out.communique.net!not-for-mail From: "Raul Zighelboim" <mango@communique.,net> Newsgroups: comp.unix.bsd.freebsd.misc Subject: Preparing to ccd two drives.... Date: 17 Dec 1996 01:01:48 GMT Organization: Communique Inc. Lines: 28 Message-ID: <01bd0a86$c2d66d90$667d1bcc@rodia> NNTP-Posting-Host: rodia.communique.net X-Newsreader: Microsoft Internet News 4.70.1155 Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:32697 So, I look at the output of dumpfs, and by default, my drive seems to be one-tracked. How do I determine the best interleave for maximum performance ? (I will redo the drives from scratch)...... kiyoko:/etc# dumpfs /dev/sd0 magic 11954 time Mon Dec 16 18:26:37 1996 cylgrp dynamic inodes 4.4BSD nbfree 268928 ndir 22180 nifree 231033 nffree 95254 ncg 271 ncyl 4335 size 8877807 blocks 8613290 bsize 8192 shift 13 mask 0xffffe000 fsize 1024 shift 10 mask 0xfffffc00 frag 8 shift 3 fsbtodb 1 cpg 16 bpg 4096 fpg 32768 ipg 7680 minfree 8% optim time maxcontig 64 maxbpg 2048 rotdelay 0ms headswitch 0us trackseek 0us rps 60 ntrak 1 nsect 4096 npsect 4096 spc 4096 symlinklen 60 trackskew 0 interleave 1 contigsumsize 7 nindir 2048 inopb 64 nspf 2 sblkno 16 cblkno 24 iblkno 32 dblkno 992 sbsize 2048 cgsize 6144 cgoffset 2048 cgmask 0xffffffff csaddr 992 cssize 5120 shift 9 mask 0xfffffe00 cgrotor 68 fmod 0 ronly 0 clean 0 (no rotational position table)