Description Diskperf is a tool testing the performances of the disks subsystem. Some possibilities: * read only/read-write/write only. * sequential or random I/O * different size for read I/O and write I/O * bypass Virtual IO Cache * send simultaneous I/O on severals disks * generate a report and a CSV result file, so results can be graph using your favorite tool * etc... Example $ define diskperf sys$disk:'f$directory()'diskperf $ set comm sys$disk:'f$directory()'diskperf.cld $ diskperf $1$dka100 - /type=read/range=(start:1,size=1000000)/rand - /nocach/end=sec:15 - /io_size=(min=6,max=12)/simultaneous=8 /pass=3 $ type/page diskperf.lis Download diskperf.zip © Tous droits réservés 2002 Jean-François PIÉRONNE