The <jobs> format is as follows:
+ name=x Use 'x' as the identifier for this job.
directory=x Use 'x' as the top level directory for storing files
rw=x 'x' may be: read, randread, write, randwrite,
rw (read-write mix), randrw (read-write random mix)
simulate a machine with less memory available. x can
include k/m/g suffix.
nice=x Run job at given nice value.
+ exec_prerun=x Run 'x' before job io is begun.
+ exec_postrun=x Run 'x' after job io has finished.
+ ioscheduler=x Use ioscheduler 'x' for this job.
Examples using a job file
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