| -b Blocks |
Specifies the number of 512-byte blocks to write in a single output operation. If this parameter is not specified, the backup command uses a default value appropriate for the physical device selected. Larger values result in larger physical transfers to tape devices. The value specified must be a multiple of the physical block size of the device being used. |
| -e |
Excludes files specified in the /etc/exclude.vgname file from being backed up by this command.
Note: If you want to exclude certain files from the backup, create the /etc/exclude.rootvg file, with an ASCII editor, and enter the patterns of file names that you do not want included in your system backup image. The patterns in this file are input to the pattern matching conventions of the grep command to determine which files will be excluded from the backup. If you want to exclude files listed in the /etc/exclude.rootvg file, select the Exclude Files field and press the Tab key once to change the default value to yes.
For example, to exclude all the contents of the directory called scratch, edit the exclude file to read as follows:
/scratch/
|
| -f Device |
Specifies the device or file name on which the image is to be stored. The default is the /dev/rmt0 device. |
| -i |
Creates the data file by calling the mkvgdata command. |
| -m |
Creates the data file with map files by calling the mkvgdata command with the -m flag. |
| -p |
Disables software packing of the files as they are backed up. Some tape drives use their own packing or compression algorithms. This flag only applies to AIX Version 4.2 or later. |
| -v |
Verbose mode. Lists files as they are backed up. This flag only applies to AIX Version 4.2 or later. |
| -X |
Specifies to automatically expand the /tmp file system if necessary. The /tmp file system may need to be extended to make room for the boot image when creating a bootable backup to tape. This flag only applies to AIX Version 4.2 or later. |