First attempt to describe new backend options.
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@ -47,12 +47,22 @@ Two ways to run IOR:
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E.g., to execute: IOR -W -f script
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E.g., to execute: IOR -W -f script
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This defaults all tests in 'script' to use write data checking.
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This defaults all tests in 'script' to use write data checking.
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* The Command line supports to specify additional parameters for the choosen API.
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For example, username and password for the storage.
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Available options are listed in the help text after selecting the API when running with -h.
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For example, 'IOR -a DUMMY -h' shows the supported options for the DUMMY backend.
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The options for the backend must be specified at last and are separated with
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two dashes '--'. Example: 'IOR -a DUMMY -- -c 1000' defines a delay for the
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file creation for the plugin. Currently, it is not possible to set these
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backend options using a command line script (-f option).
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**************
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**************
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* 3. OPTIONS *
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* 3. OPTIONS *
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**************
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**************
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These options are to be used on the command line. E.g., 'IOR -a POSIX -b 4K'.
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These options are to be used on the command line. E.g., 'IOR -a POSIX -b 4K'.
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-a S api -- API for I/O [POSIX|MPIIO|HDF5|HDFS|IME|S3|S3_EMC|NCMPI]
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-a S api -- API for I/O, e.g., POSIX
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-A N refNum -- user reference number to include in long summary
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-A N refNum -- user reference number to include in long summary
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-b N blockSize -- contiguous bytes to write per task (e.g.: 8, 4k, 2m, 1g)
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-b N blockSize -- contiguous bytes to write per task (e.g.: 8, 4k, 2m, 1g)
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-B useO_DIRECT -- uses O_DIRECT for POSIX, bypassing I/O buffers
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-B useO_DIRECT -- uses O_DIRECT for POSIX, bypassing I/O buffers
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