Guardian User's Guide

Backing Up and Restoring Disk Information

Guardian User’s Guide—425266-001

11-19

Using Labeled Tapes With Backup and Restore

If labeled-tape processing is enabled for your system, you can use Backup and Restore

with both labeled and unlabeled tapes.

To access a file on a labeled tape, you must use a TAPE DEFINE — a named set of

attributes and values that specifies information about a tape file such as the volume ID,

tape density, and operator mount messages.

Backup can use all the listed attributes in a TAPE DEFINE for labeled tapes. Restore,

however, can use only DEVICE, MOUNTMSG, SYSTEM, and VOLUME. If your

DEFINE contains other attributes, Restore ignores them.

For more information about DEFINEs and labeled tapes, see Section 6, Creating and

Using DEFINEs, and Section 10, Using Labeled Tapes.

Table 11-4. TAPE DEFINE Attributes for Backup and Restore

Attribute Function

DENSITY Tape density in bits per inch (bpi)

DEVICE Name of the tape drive on which all tapes must be mounted

EXPIRATION Expiration date for the tape file

FILEID Tape file name (17-character string)

GEN Integer value (in the range 0001-9999) that indicates the generation number

LABELS Label processing mode; BACKUP, IBMBACKUP, or OMITTED for

Backup; or BACKUP, IBMBACKUP, OMITTED, or BYPASS for Restore

OWNER Owner ID (1-14 characters) in the tape label

MOUNTMSG Mount message to be displayed with the system mount message or tape

drive use request

RETENTION Retention period in number of days for the tape file (the default is 1)

SYSTEM Name of the system that controls the tape drive on which the tape (or tapes)

must be mounted

TAPEMODE Mode (STARTSTOP or STREAM) for a cartridge tape drive

USE Use of the tape file (input or output)

VERSION Integer value (in the range 00-99) that indicates the version number within

one generation

VOLUME Six-byte tape volume ID for the backup tape, or SCRATCH to indicate that

any scratch tape is acceptable for the backup tape