Vincent Fox wrote: > Jeff Fookson wrote: >> We are planning to run the mirrors >> off a 4-port 3ware RAID card even though we're not overly fond of >> 3ware (we have a fair amount of experience >> with RAID5 arrays on 3ware cards on our research machines where they >> perform adequately but >> not more). We are hoping the 3ware RAID1 will be a bit better than >> software RAID1. > > I used to use those, awesome little cards! We have used 3ware cards as well but are now switching to Highpoint RAID cards. > >> Can someone in fact suggest a good battery of testing software so that >> we don't prematurely certify that a new system >> is ready for production use (or a useful statistic to monitor)? > > This has been a sticky issue for UC Davis. Run filebench test "varmail" > to prove disk subsystem. > The SLAMd stuff seems to work for simulating client load, but all > attempts to simulate > a client load-pattern are devilishly difficult to get right. > > ---- > Cyrus Home Page: http://cyrusimap.web.cmu.edu/ > Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki > List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
