Air Cleaner User Manual

not performed any of these functions will the tape be
positioned correctly at the end of the previous backup
image.
Forward to End of Tape Before Starting Backup
Forwards to the end of the last SysBack backup on the tape for
all backup types. Use this option when stacking multiple
backups on a tape that has been rewound or ejected. Also use
this option when the system has been restarted or when the
block size of the tape driver has been changed from the last
backup.
Buffer size (In Kbytes)
Default=64. Changing this value either increases or decreases
the amount of data that is written to the output device in a
single I/O operation. Some devices with small buffers might
require you to reduce this value, while other devices with very
large buffers can benefit from increased performance by
increasing this value. If you are unsure, use the default value.
This value must be a multiple of the tape block size.
Device name for remote volume prompt
Default=(Blank/None). Enter a TTY, LFT or PTS device name to
send the volume prompt to a specified device rather than to the
current SMIT screen. If you are backing up to a remote host,
the device name you specify is attached to the remote host.
This field is displayed only when the backup device is a tape
drive or virtual device.
Examples of device names are /dev/tty0, /dev/lft0 and /dev/pts/5.
You can determine the terminal device name by typing tty at
the command line on that device.
Overwrite existing backup with same ID?
Default=no. If the Backup File ID field contains a value already
used for an existing system backup, change this field to “yes”
by pressing Tab. Doing so indicates that you want to overwrite
the previous backup with this backup. After you begin this
backup, the prior disk image files are removed and cannot be
recovered. This field is displayed only when you back up to a
disk image file.
Hostname to Backup
The hostname of the backup system, the machine that will send
its data to the data destination server.
Exclude List File Name
Specify the full qualified path and file name of a SysBack
exclude list. If this field is left blank, the backup process will
process the contents of /usr/lpp/sysback/.exclude_list
automatically.
File(s) or starting directory(s)
Default=blank. Enter the starting directory where you want the
backup to begin. You can enter multiple directory names if you
want to back up all of these directories in a single backup. If
you want to back up the entire contents of a file system, specify
the mount point for that file system (for example, /home). Press
F4 to obtain a list of all currently mounted local file systems
and use F7 to select the starting directory from the list.
Chapter 4. Performing Backups 4-29