Procedure 6.23: MAKE FULL OFFICE BACKUP TAPE
5E10 and LATER
OVERVIEW
This procedure allows the technician to Make Full Office Backup tapes of the text and/or office dependent data
(ODD).
The full office tape backup procedure saves a copy of the office software [text, ODD, and equipment configuration
data (ECD) databases] from disk to tape. The full office backup tapes provide a reliable source for system recovery
in the event that data in both system disk drives becomes mutilated. This procedure should be done during
nonprime hours. The disks will be simplex during any partition copies, partition clears, and restorals.
Four (or more) tape sequences are required: one for AM Text, one for SM Text, one for AM ODD, and one for each
disk pair that is allocated for SM ODD. The tapes made on KS23113, LIST 14 (
KEYSTONE
®
III) tape drives must be
writable at 6250 bits-per-inch (bpi) and should be certified tapes. (Certified tapes are those that have been verified to
be writable at 6250 bpi.) The tapes should also be usable across the expected temperature range of the particular
office.
To simplify the procedure, an automated process using GENBKUP is used. GENBKUP should be entered from the
recent change and verify (RC/V) terminal, or a supplementary trunk and line work station (STLWS), or the master
control center (MCC) terminal. After invoking GENBKUP, it will query you for the type of backup that is wanted and
tell you when tapes should be mounted and unmounted. GENBKUP executes all audits and creates the AM Text,
SM Text, AM ODD, SM ODD tape backup. If any commands find errors during the execution of GENBKUP, the
process will quit gracefully with a message indicating the command which found the errors.
The GENBKUP process takes approximately 2 to 6 hours to complete, plus the time to perform ODD backup.
Manual office backup to tape is also available and requires approximately 8 to 12 hours. Plan accordingly so the
office will not be running simplex disks during prime hours.
When using GENBKUP, the portion of the backup process that runs the
BKUP:ODD
, simplexes disks, clears
partitions, and restores partitions may be done separately from the tape (and software backup disk) generation.
GENBKUP may be entered from the SCC during nonprime hours. After entering GENBKUP, request the ``u'' Update
and Verify Disk option. The tapes may be generated during normal shift hours by reentering the GENBKUP Restart
Options when the technician is in the office and able to manipulate the backup tapes. Groups of tapes (ODD or text)
should always be made in the same GENBKUP session.
Tape backup of the entire office should be done at least once a month or more often if many software updates
and/or ECD changes are being added to the office. An office should keep the three latest versions of entire office
backup tapes, with the next to the oldest copy being discarded when a new copy is made. The oldest tapes being
the tapes that were successfully loaded and used to recover the system. Also, an office should have three tape
operating procedure (TOP) tapes available with the oldest one being replaced every 3 to 4 months.
The following steps should be followed regardless if the tape backup is being done manually or automatically with
GENBKUP.
Note:
The Backout Last Overwrite feature cannot be used if the office backup tapes/disks are used to recover the
switch.
This section gives an overview of the backup procedure. Those sections of the procedure that can make use of
GENBKUP are noted. Those sections noted with ``GENBKUP v-option'' are sections that can be run separately by
using the verify option of GENBKUP. The use of this verify option is not documented in this procedure.
Preconditioning:
235-105-210
October 1999
Copyright © 1999
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