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! > 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
