----- Original Message ---- > From: nate <centos at linuxpowered.net> > > Not sure I know what the issue is but telling us how many disks, > what the RPM of the disks are, and what level of RAID would probably > help. > > It sounds like perhaps you have a bunch of 7200RPM disks in a RAID > setup where the data:parity ratio may be way out of whack(e.g. high > number of data disks to parity disks), which will result in very > poor write performance. yes, ita bunch of 12 7k2 RPM disks organized as 1 hot spare, 2 parity disks, 9 data disks in a RAID 5 configuration. is 9/2 a "high ratio"? Thanks for your help Fer