Path: utzoo!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!think.com!mintaka!mit-eddie!uw-beaver!ubc-cs!sol.UVic.CA!sol!mberkley From: mberkley@active.uvic.ca (Mike Berkley) Newsgroups: comp.unix.aix Subject: Re: file fragmentation Message-ID: Date: 11 Mar 91 19:12:40 GMT References: <476@bally.Bally.COM> <3592@d75.UUCP> <1991Mar6.134113.28420@comm.wang.com> Sender: news@sol.UVic.CA Organization: University of Victoria Lines: 18 In-Reply-To: lws@comm.wang.com's message of 6 Mar 91 13:41:13 GMT Nntp-Posting-Host: active.uvic.ca LS> On 6 Mar 91 13:41:13 GMT, lws@comm.wang.com (Lyle Seaman) said: >I have few questions : > 1 ) Is there a way to find out the fragmentation of a file system > (like the Norton utility for DOS)? LS> SunOS and RISC/os both report fragmentation from fsck. I don't know LS> about vanilla BSD. No. The fragmentation reported by fsck refers to how many files (or tail ends of large files) are small enough to be placed in block fragments. If the file system block size is 8k, then using full blocks for 1k files is very wasteful. Instead the filesystem places 8 1k files in one 8k block. Mike Berkley University of Victoria mberkley@sirius@UVic.CA