On Fri, Jul 28, 2006 at 02:02:13PM -0700, Richard Elling wrote: > Joseph Mocker wrote: > >Richard Elling wrote: > >>The problem is that there are at least 3 knobs to turn (space, RAS, and > >>performance) and they all interact with each other. > > > >Good point. then how about something more like > > > > zpool bench raidz favor space disk1 ... diskN > > zpool bench raidz favor performance disk1 .. diskN > > > >That is, tell the analyzer which knob you are most interested in. > > I wish it was that easy. If I optimize for space, I'll always get a big, > fat RAID-0. If I optimize for RAS, I'll get multi paned (N-way) mirror. > The tool has to be able to handle the spectrum in between those extremes.
Look closer at the format of that command: zpool bench *RAIDZ* blah.... RAID-0 isn't an option, find the best parameters for what is specified, in this case we are constrained to RAIDZ. -brian _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
