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            CUSP Beware file for TOPS-10 Autopatch Tape 18





                             Revision:  1

                       Date:  January 11, 1988















COPYRIGHT (c) DIGITAL EQUIPMENT CORPORATION 1987,  1988.   ALL  RIGHTS
RESERVED.


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
TRANSFERRED.

THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE  WITHOUT  NOTICE
AND  SHOULD  NOT  BE  CONSTRUED  AS  A COMMITMENT BY DIGITAL EQUIPMENT
CORPORATION.

DIGITAL ASSUMES NO RESPONSIBILITY FOR THE USE OR  RELIABILITY  OF  ITS
SOFTWARE ON EQUIPMENT WHICH IS NOT SUPPLIED BY DIGITAL.  
CUSP Beware file for TOPS-10 Autopatch Tape 18                  Page 2


                          Table of Contents


This file contains the following information concerning  this  release
of CUSPs with the TOPS-10 Autopatch Tape 18.


     1.0        Introduction


     2.0        New GALAXY Version 5.1
CUSP Beware file for TOPS-10 Autopatch Tape 18                  Page 3


1.0  INTRODUCTION

This beware file contains important information  about  TOPS-10  CUSPs
that  are  being  shipped  with  TOPS-10 Autopatch Tape 18.  This file
should be read before installing any CUSPs mentioned herein.



2.0  NEW GALAXY VERSION 5.1

A new GALAXY, Version 5.1, is being distributed  with  this  Autopatch
tape.   This  version  of  GALAXY will run under 7.03 and 7.04 with no
changes.



2.1  New Features And Functionality

This new GALAXY replaces the GALAXY Version  5.1  which  was  released
with  TOPS-10  version  7.03,  and  provides  some  new  features  and
enhancements  that  are  intended  to  optimize  the   efficiency   of
DECsystem-10 site operations and management.  These enhancements are:

     1.  Bug  fixes  in  almost  all  areas  of  GALAXY,  to   correct
         deficiencies that were reported since the last release.

     2.  NEBULA supports the new Digital VAX/DQS protocol as  well  as
         the old "unsupported" DQS.

     3.  New GALAXY startup procedure and spooler  operation.   QUASAR
         now  starts all other GALAXY components that it requires only
         when they are needed.  At QUASAR startup, PULSAR, ORION,  and
         CATLOG  are  started  by  QUASAR via FRCLIN commands.  QUASAR
         also waits indefinitely for ACTDAE to start.  The rest of the
         components (LPTSPL, BATCON, FAL, etc.) are started via FRCLIN
         only when they are needed or as specified in the PRCDAT macro
         in QSRMAC.     Some  spoolers  will log out after "n" minutes
         of idleness ("n" can be set in GALGEN) and  others  will  log
         out  after all streams have been shut down.  Hopefully in the
         near future, OPR commands will exist to  better  control  the
         new  spooler  behavior.   Also,  ORION  will start NML if the
         monitor is built with DECnet.

     4.  Merged MOUNT and QUEUE.  The MOUNT-class  commands  ALLOCATE,
         DEALLOCATE,  DISMOUNT,  MOUNT, and SHOW QUEUE/SHOW ALLOCATION
         now invoke the QUEUE program instead of MOUNT.   This  change
         allows  all the user-level interfacing with GALAXY to be made
         through a single program.  All MOUNT-class commands  work  as
         they   did   previously.   In  addition,  SWITCH.INI  is  now
         supported for MOUNT-class commands.  Note:  Under 7.03, QUEUE
         will  not  be  invoked  for  MOUNT-class commands because the
         monitor's command tables are set to run MOUNT.  The new QUEUE
         will still function properly when run under 7.03.
CUSP Beware file for TOPS-10 Autopatch Tape 18                  Page 4


     5.  New LCP commands.  Two new commands have been added to LCP --
         SHOW HOST-INITIATED-REQUESTS and SHOW PENDING-REQUESTS.  They
         show   information   about   the   current   state   of   any
         host-initiated LAT connect requests that may be outstanding.




2.2  Installing New GALAXY

2.2.1  SYSJOB.INI - The installation of GALAXY has  not  changed,  but
SYSJOB.INI   must  be  changed  to  reflect  the  new  GALAXY  startup
procedure.  Because QUASAR uses FRCLIN to  start  its  components,  it
cannot  begin  to do this until INITIA is finished reading SYSJOB.INI.
Therefore none of the other GALAXY components will appear until FRCLIN
becomes free.  A sample SYSJOB.INI is shown below:
 
                SET DEFAULT ACCOUNT MUMBLE
                LOG
                FILDAE
                LOG
                ACTDAE
                LOG
                DAEMON
                LOG                     ;GALAXY JOBS
                QUASAR
                LOG
                MX



2.2.2  LOGMAX Vs JOBMAX - Because free job slots must be available for
QUASAR  to  start  spoolers  at  various times, it is recommended that
LOGMAX not be set equal to JOBMAX.  Depending on the devices  used  at
the  site  and  required spoolers, a LOGMAX of 5 or 6 less than JOBMAX
should be sufficient.



2.3  GALAXY And TOPS-10 Versions 7.04, 7.03, And 7.02

As mentioned before, this new version of GALAXY is  being  shipped  to
7.04  Field  test  sites.   The official release will be via Autopatch
tape 18 and an up-to-date version  will  also  be  sent  on  the  7.04
distribution  tape.   The  new GALAXY requires no modifications to run
under 7.03.  However, unpredictable behavior will result if it is  run
under  7.02.  The 7.02 fallback code HAS BEEN REMOVED and running this
new version of GALAXY under TOPS-10 7.02 is NOT supported.
CUSP Beware file for TOPS-10 Autopatch Tape 18                  Page 5


2.3.1  Known Bugs And Deficiencies - As of Autopatch Tape 18:

     1.  The QUEUE and QUASAR as supplied  with  this  Autopatch  tape
         must  be  installed  together.   There  have been list output
         related changes made in each program that make them dependent
         on each other.

     2.  NEBULA will sometimes crash during error recovery.  This will
         be  fixed  as  soon  as  possible.   Also,  the NEBULA/QUASAR
         interface needs improvement and major changes may result.

     3.  FAL and IBMSPL, defined as "start command" spoolers,  do  not
         log out after all streams have been shutdown as of yet.  

     4.  Programs using GALAXY software may report %Use  STOPCD  macro
         for stopcode XXX instead of $STOP during assembly.  The $STOP
         macro will work as before but it is advised that the  sources
         of  your program be changed to use the new STOPCD macro.  The
         new STOPCD macro uses minimal GLXLIB resources.