On Sunday 02 March 2003 05:57 pm, Mark Weaver wrote: > Todd Lyons wrote: > > -----BEGIN PGP SIGNED MESSAGE----- > > Hash: SHA1 > > > > David E. Fox wrote on Tue, Feb 25, 2003 at 09:55:25PM -0800 : > >>>Reiserfs should never be defragged--the elaborate tree structure it > >>>sets up is > >> > >>I once heard that fragmentation is impossible in reiserfs. > > > > No, not impossible. Things like /var/log/* will always fragment unless > > there is only one file that ever gets written to. However, the design > > of the fs and how it accesses both its meta data (ie directories and > > file entries) and file data will determine the response, especially > > under heavy io load. > > but I thought there wasn't any such thing as needing to defrag a linux > system? has something changed that I wasn't aware of?
Things like the log files, weven if fragmented don't impact performance. Userspace data files still rarely get fragmented at any level that impacts performance, so no defrag necessary. -- Greg
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