How do I specify a separate file for each job ? I have following simple test file [ see numjobs=20]. Will the logging work without corruption ? [global] description=Standard Performance test runtime=30 direct=1 size=10g filename=/root/fiotestfile numjobs=20 group_reporting [randwrite_256] stonewall rw=randwrite bs=256k write_iolog=fio_pattern Vikram On Fri, Mar 9, 2012 at 11:29 PM, Daniel Buggie <danielabuggie@xxxxxxxxx> wrote: > I haven't tried them myself, but perhaps the write_iolog and > read_iolog options would work for you in this case? > > write_iolog=str > Write the issued I/O patterns to the specified file. > Specify a separate file for each job, otherwise the iologs will be > interspersed and the file may be corrupt. > > read_iolog=str > Replay the I/O patterns contained in the specified file > generated by write_iolog, or may be a blktrace binary file. > > Daniel > > On Fri, Mar 9, 2012 at 2:23 PM, Vikram Seth <seth.vik@xxxxxxxxx> wrote: >> Hi, >> >> I am looking for an option that enables fio to use same set of >> blocks/offsets across multiple runs of the test. >> This will be useful if I want am trying to fix a perf issue and want >> to rerun the test to verify the patch. For such cases an exact repro >> of the i/o pattern is important. >> >> Thanks, >> Vikram. >> -- >> To unsubscribe from this list: send the line "unsubscribe fio" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html