Le Thu, 23 Jul 2009 13:59:45 -0400 vous écriviez: > *) The RAID-5 array gets 60 MB/s local write speeds with XFS > according to iozone (writing in 4 MB records)
As a side note, this is extremely low. On a similar setup I typically get 400 to 500MB/s. What RAID controller are you using? You probably need to adjust your storage controller parameters, too. Things like echo 512 > /sys/block/dev/sdXX/queue/nr_request blockdev --setra 8192 /dev/sdXX -- -------------------------------------------------- Emmanuel Florac www.intellique.com -------------------------------------------------- _______________________________________________ Pvfs2-users mailing list [email protected] http://www.beowulf-underground.org/mailman/listinfo/pvfs2-users
