OpenTP1 Version 7 Operation

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dambkup (Back up a physical file)

Format

dambkup [-c batch-processing-blocks-count] [-o|-d]
        {physical-file-name backup-file-name|-s physical-file-name}

Function

The dambkup command backs up the contents of a specified physical file into a specified file or standard output.

Options

-c batch-processing-blocks-count~<unsigned integer> ((1-2147483647)) <<10>>

Specifies the number of blocks to be input or output simultaneously. The specified number of blocks will be input from or output to disk.

-o

Backs up physical files in the online mode. This option is valid only when the target DAM file is in the online mode. If the option is not specified, physical files are backed up in the offline mode. In this case, take the following steps to back up a file:

  1. Execute the damhold command to shut down the logical files logically.
  2. Execute the damrm command to remove the logically shut down logical files from the online system.
  3. Execute the dambkup command with its -o option not specified to back up the DAM file.

-d

Backs up only the user data in the backup source physical file, excluding the management block and the check bytes at the start of the file.

-s

This option must be specified to output the backup to the standard output.

Command arguments

physical-file-name~<path name>

Specifies the name of the backup source physical file, expressed as the full path name.

backup-file-name~<path name>

Specifies the name of the backup destination file.

This command argument cannot be specified with the -s option.

Notes