On Thursday, 03.08.2006 at 15:30 -0400, Justin Piszcz wrote:
I've only ran the benchmarks on a single controller. Run a test for me,
read a lot of data on the drive and show us iostat -x -k 1 and see if it
reads from both drives at the same time.
http://www.sungate.co.uk/tmp/iostat.log - iostat log while cat-ing a
large file on /dev/md2
$ cat /proc/mdstat
Personalities : [raid1]
md1 : active raid1 sdb2[0] sda2[1]
19534976 blocks [2/2] [UU]
md3 : active raid1 sdb3[1] sda3[0]
4000064 blocks [2/2] [UU]
md2 : active raid1 sdb4[0] sda4[1]
156071360 blocks [2/2] [UU]
md0 : active raid1 sdb1[0] sda1[1]
19534912 blocks [2/2] [UU]
unused devices: <none>
Not entirely sure how to interpret the results, but there is some
suggestion that it is reading from both disks...
Dave.
--
Please don't CC me on list messages!
...
Dave Ewart - davee@sungate.co.uk - jabber: davee@jabber.org
All email from me is now digitally signed, key from http://www.sungate.co.uk/
Fingerprint: AEC5 9360 0A35 7F66 66E9 82E4 9E10 6769 CD28 DA92