Backing Up (STORE) the System [ System Administrator's Quick Reference Guide ] MPE/iX 5.0 Documentation
System Administrator's Quick Reference Guide
Backing Up (STORE) the System
A system backup consists of storing system and user files, and the system
directory.
Preparing the Tapes
To store system and user directories and files mount a write-enabled,
labeled, backup tape on the drive and define as many backup device files
as needed.
The syntax for defining a backup device file is:
FILE T;DEV=TAPE
Performing a Full System Backup
To back up all system, user, and directory files, enter:
STORE @.@.@;*T;SHOW=OFFLINE;PROGRESS;DIRECTORY
where *T is a backreference to the file equation,
FILE T;DEV=TAPE
This backs up system, user, and directory files, sends the file list to
the printer, and displays progress messages about the backup. When the
backup is completed, remove the tape and keep it in the library.
Completion of the backup is indicated by the message:
END OF SUBSYSTEM
Performing an Incremental Backup
The syntax for backing up only those files modified since the last backup
is:
STORE @.@.@;*T;SHOW=OFFLINE;DATE>=mm/dd/yy;PROGRESS;DIRECTORY
where the date is the date of the last backup.
This backs up system, user, and directory files, sends the file list to
the printer, and displays progress messages about the backup. When the
backup is completed, remove the tape and keep it in the library.
Completion of the backup is indicated by the message:
END OF SUBSYSTEM
Backing Up the Configuration
If you have changed your system configuration, use the SYSGEN utility to
back up the system configuration. The syntax is:
SYSGEN
sysgen>TAPE
Mount a tape on the drive and put it online. The procedure produces a
system load tape. When the message END OF SUBSYSTEM is displayed, remove
the tape. The syntax for returning to the command interpreter prompt (:)
is:
sysgen>EXIT
This is not necessary unless you have changed your configuration.
Letting Users Back On the System
After you have completed an incremental or full system backup, let users
back on the system. The syntax is:
LIMIT nn,nn
JOBFENCE nn
The LIMIT command first defines the number of jobs and then the number of
sessions that may run concurrently on the system. The JOBFENCE command
defines the minimum input priority that a job or session must have in
order to execute.
MPE/iX 5.0 Documentation