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On Thu, 2010-06-03 at 15:11 +0100, Gordon Henderson wrote: > On Thu, 3 Jun 2010, Paul Hirst wrote: > > I was going to run bonnie++ on the OCFS2 filesystem and on a local ext4 > > filesystem just to see the difference, but it claims I need to use file > > sizes which are more than twice the amount of ram. The machine has 12G > > of ram and I don't have 24G of free disk space without moving some > > things around, so for the moment I'll have to leave it. If I ever get > > round to doing some benchmarks I'll post the results. > > It's to overcome RAM caching of the data - you can force bonnie to run > with less than that - try it with just 1MB and look at the results :) I tried that and it claimed to read 1G off disk in almost zero time. So I figured the results really weren't worth anything. I guess it's a good example of how having lots of RAM is nice :-) Sophos Plc, The Pentagon, Abingdon Science Park, Abingdon, OX14 3YP, United Kingdom. Company Reg No 2096520. VAT Reg No GB 348 3873 20. -- The Mailing List for the Devon & Cornwall LUG http://mailman.dclug.org.uk/listinfo/list FAQ: http://www.dcglug.org.uk/linux_adm/list-faq.html