Take the 2-minute tour ×  I'm having a serious issue with dell
server PE2950. The server has really slow IO rates, so slow that
I'm not able to use it anymore  I tried few things to solve
this:    1. changing disks to new disks (configured them as
raid1)   2. changing perc card + perc cables   3. reinstalling
the OS of course, had to cause of changing of disks, centos 5.5
x64bit   4. firmware update to everything   5. virtual disks
policy: No Read Ahead,Write Back, disk cache policy disabled.
6. openmanage doesn't alert about anything, also i ran dell's
diag tests, everything passed, also dell didn't see anything in
deset log.   7. dell offered to reseat everything, including the
cpu, we did that as well, still io rates are slow  I have
several PE2950 servers, and I never had such a thing with any of
those. All have similar or exact hardware as this one, all
configured the same, with the same os centos 5.5 x64, same
disks, same raid, same policy.  Just for comparison:  the
problematic PE2950 server:  [root@