been read. The two zone options can be used to only do
io on zones of a file.
-write_iolog=str Write the issued io patterns to the specified file. See iolog.
+write_iolog=str Write the issued io patterns to the specified file. See
+ read_iolog.
-iolog=str Open an iolog with the specified file name and replay the
+read_iolog=str Open an iolog with the specified file name and replay the
io patterns it contains. This can be used to store a
workload and replay it sometime later.