On 5/6/2012 5:33 AM, Martin Steigerwald wrote: > Am Sonntag, 6. Mai 2012 schrieb Stefan Priebe: >> It is a raid 10 of 20 SATA Disks and i can only write to them with >> about 700kb/s while doing random i/o. I tried vanilla Kernel 3.0.30 >> and 3.3.4 - no difference. Writing to another partition on another xfs >> array works fine. > > Additionally what RAID is this? SoftRAID or some - which one? - hardware > RAID controller? And what disks are used, whats the rpm of these? I doubt much of this stuff matters. Stefan's filesystem is 96% full, w/~200GB free. This free space is likely heavily fragmented. If he's doing allocation in this fragmented free space I'd think that would fully explain his write performance dropping off a cliff due to massive head seeking. -- Stan _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
