Write performance

erinye2-vm2 writes a large file (16gb):

# /afs/ipp-garching.mpg.de/.cs/perftest/i386_rh90/write_test /afs/ifh.de/testsuite/testosd/testfile-large 0 17179869184
...
write of 17179869184 bytes took 187.631 sec.
close took 0.602 sec.
Total data rate = 89130 Kbytes/sec. for write 

Read performance

load impact

...is considerable after all. Upon start of a batch job, read throughput has been observed to drop from ~115MBps to ~50MBps.