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DUMPER.DOC -- Changes from V4(303) to V4.1(402)
COPYRIGHT (C) 1976,1978,1979,1982,1983 BY
DIGITAL EQUIPMENT CORPORATION, MAYNARD, MASS.
THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY BE USED AND COPIED
ONLY IN ACCORDANCE WITH THE TERMS OF SUCH LICENSE AND WITH THE
INCLUSION OF THE ABOVE COPYRIGHT NOTICE. THIS SOFTWARE OR ANY OTHER
COPIES THEREOF MAY NOT BE PROVIDED OR OTHERWISE MADE AVAILABLE TO ANY
OTHER PERSON. NO TITLE TO AND OWNERSHIP OF THE SOFTWARE IS HEREBY
THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE WITHOUT NOTICE
AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL EQUIPMENT
DIGITAL ASSUMES NO RESPONSIBILITY FOR THE USE OR RELIABILITY OF ITS
SOFTWARE ON EQUIPMENT WHICH IS NOT SUPPLIED BY DIGITAL.
DUMPER.DOC Page 2
DUMPER.DOC -- Changes from V4(303) to V4.1(402)
DUMPER is a program for saving and restoring disk files using magtape.
It is used by operations personnel for file system maintenance, and
may be employed by users who wish to keep certain files on magtape
and/or transfer them between systems.
DUMPER version 4.1(402) runs on TOPS-20 Release 4.1 and TOPS-20
DUMPER does not require any other software modules during execution.
DUMPER is documented in the TOPS-20 User's Guide, and some privileged
functions are described in the Operator's Guide.
2.0 EXTERNAL CHANGES
File archiving, migration, retrieval, and collection support has been
added and enhanced. File collection is supported only with the
advanced archiving features of the V5 EXEC.
The interface to TOPS-20 using tape-drive allocation has been added.
Volume identifiers are included in the listing when saving files on a
system using tape-drive allocation.
The SET BLOCKING-FACTOR command was added to achieve a greater
percentage of tape utilization.
The UNLOAD command was added for use on systems without tape-drive
The INCREMENTAL feature of the SAVE command has been enhanced.
3.0 KNOWN BUGS AND DEFICIENCIES
1. Reverse SKIPs in interchange mode do not work.
2. If there are any read errors or duplicate records, the
CHECKSUM given by the PRINT command is not valid.
3. The /COLLECTION switch of the SAVE command requires support
provided by the V5 EXEC.
4.0 INSTALLATION INSTRUCTIONS
DUMPER.DOC Page 3
4.1 Files Needed to Run DUMPER
DUMPER.EXE is the only file needed for DUMPER execution.
4.2 Instructions for Loading and Installing DUMPER
DUMPER is loaded in SYS: as part of the installation procedure. New
versions may be put into use by copying the DUMPER.EXE file onto SYS:.
4.3 Files Needed to Build DUMPER
DUMPER is built from the following files:
In addition, the following files must be on SYS:
4.4 Instructions for Building DUMPER
4.5 Special Considerations
DUMPER is used during the initial phases of system installation and
file structure refreshing. For this reason, it is advisable to have a
copy of DUMPER on one or more magtapes. DUMPER may be put on magtape
@ASSIGN MTAn: ! assign and mount blank tape
@REWIND MTAn: ! put DUMPER at beginning
@COPY SYS:DUMPER.EXE (TO) MTAn: ! copy to tape
DUMPER may be loaded and run directly from a magtape generated in this
DUMPER is intended to perform a number of privileged functions when
run by operations personnel, and its behavior is modified slightly
when running with WHEEL or OPERATOR capabilities enabled. Consult
User's and Operator's Guides for additional information.
DUMPER needs to be rebuilt with the currently running GALAXY modules.
If this is not done, then DUMPER may not be able to communicate with
QUASAR which will break the file retrieval mechanism.
DUMPER.DOC Page 4
5.0 INTERNAL CHANGES
5.1 Changes from DUMPER 4(303) to DUMPER 4.1(402)
Usage Accounting record types 15,16,17 and 18 have had the information
in all the fields fixed.
The Control-E abort recovery has been cleaned up.
IPCF communications with GALAXY has been enhanced. The IPCF quotas
for DUMPER have been changed from infinity to 30 as not to take up all
the monitor freespace if DUMPER has been Control-C from the retrieval
function. The message handling has been changed so that DUMPER will
DEBRK only when it has an empty message queue.
The statistics at the end of saveset giving the number of files saved
and the number of pages saved has been fixed.
Error messages that require an answer from the user have been prefixed
with a "$" so that these messages will surface in a batch stream.
The control-A character will now type out a status report telling the
user what file DUMPER is currently looking at as well as whether
DUMPER is restoring, saving or just looking at the file.
The disk quota exceeded recovery has been corrected.
For further changes see the Edit History.
DUMPER MUST be rebuilt with the current version of QSRMAC from your
sites GALAXY system. This will guarantee that DUMPER and QUASAR have
the same set of symbols for the retrieval function.
[End of DUMPER.DOC]