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# VFD SWMR Utilities
To support NFS file system, this utility applies the updater files to the copy of the metadata file.
Usage: aux_process [options] <md_file> <ud_path>
Where: <md_file> is the path to the metadata file. Must be on a POSIX file system. Note that the file may not exist yet.
<ud_path> is the path of the updater files including the directory. This will typically be in an NFS mounted file system.
Options:
-a --skip_aux: Exit if VDS across multiple file is being enabled (to be implented in the future).
-c --vfd_config: Quoted string containing the configuration string for the VFD stack to be used. Default: sec2
-l --log_file: Path to the log file. Default: no log file.
-m --md_chksum_path: Path to the file containing the checksum values for testing purpose.
-p --polls_per_tick: Number of times to poll for a new updater file per tick. Default: 10.
-s --stats: Display stats on exit.
-t --tick_len: Integer value indicating the tick length in tenths of a second.
-v --verbose: Write log entries to stdout.
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