# Filename: PRESHUT
#
#  Courtesy of Beechglen Development
#              Cincinnati, Ohio
#              (513) 922-0509
#              http://www.beechglen.com
#              mailto:support@beechglen.com
#
#  Unsupported freeware. Beechglen assumes no liability
#  for use or misuse of this script.
#
#
#  Change history.  3/16/2004   Added disk space check. Systems
#                               with less than < 16384 sectors
#                               free space won't boot with
#                               NMSGDT1A, NMSGDT2A, or NMSGDV1A
# ===============================================================
echo
echo  This script should be run prior to a system shutdown to
echo  gracefully stop processing. If there are any batch jobs running
echo  it is your responsibility to verify that they can be aborted
echo  with no adverse effects on the system
echo
#
setvar hpautocont,true
setvar InvVideo,chr(27) + "&dB"
limit 0,0
# ===============================================================
if hpaccount <> "SYS" or hpuser <> "MANAGER" or hpldevin <> 20 then
   echo
   echo    You must be logged on as MANAGER.SYS on LDEV 20 to
   echo    execute this script.
   echo
   return
endif
# ===============================================================
# - Prompt section. Answer questions here
#
echo
echo I will be creating a copy of the current configuration
echo to the group PREVCFG.SYS  If for some reason you need to
echo reboot the system to get back to this known point in time
echo (for instance the new configuration is bad) then you can
echo issue the ISL command START NORECOVERY GROUP=PREVCFG
echo
echo Press [Return] to continue
echo
input Answer
#
# - Ask if any configuration listings are needed.
#
echo
echo !InvVideo Are you shutting down for system maintenance?
echo
echo   If you are planning to work on or change hardware
echo   components you MUST power off all connected devices.
echo   SCSI adapters and their connected devices are especially
echo   vulnerable to blown fuses or damage when maintenance
echo   is performed while they are running.
echo
echo   Additionally, because the results of maintenance are
echo   never guaranteed, it is prudent to have an SLT and a
echo   backup prior to any of these functions.
echo
input CreateSLT,'!InvVideo Would you like me to create an SLT?'
setvar CreateSLT,lft(ups(CreateSLT),1)

echo   If you are shutting down to perform an operating system
echo   update; or to install, replace, or repair hardware; you
echo   should have a current configuration listing.
echo
input PrintConfigList,'!InvVideo Would you like me to produce &
              a configuration listing?'
setvar PrintConfigList,lft(ups(PrintConfigList),1)
# ===============================================================
# -- Shut down ESP data collection. There is a timing conflict
#    during a system shutdown where active processes that access
#    the file system after it has been closed potentially can
#    cause a system abort before the system reaches SHUT 6.
#    ESP/3000 is susceptible to this bug.

if finfo("/ESP","EXISTS") then
   echo !InvVideo Shutting down ESP/3000 data collection.
   purge ESPRUN.PUB.SYS  >$null
endif

# ===============================================================
# -- Verify that the creator of SYSSTART.PUB.SYS is MANAGER.SYS
#    If not, it will not execute during bootup.

if finfo("SYSSTART.PUB.SYS","EXISTS") then
   if finfo("SYSSTART.PUB.SYS","OWNER") <> "MANAGER.SYS" then
      altfile sysstart.pub.sys;owner=MANAGER.SYS;groupid=SYS
      echo
      echo !InvVideo I corrected the creator of SYSSTART.PUB.SYS to
      echo !InvVideo be MANAGER.SYS
      echo
   endif
endif
# ===============================================================
# -- Shut down network services. If you run SNA you should put
#    your SNACONTROL shutdown commands in this section as well.

echo !InvVideo Shutting down network transport services.

inetd.net -k
stmshut.diag
ABORTJOB FTP.SYS
pause 5
NSCONTROL STOP
NSCONTROL ABORT
NETCONTROL STOP

setvar NETRunning,"Y"
while NETRunning = "Y"
   file testit=netcp.net.sys;exc
   continue
   setvar hpfserr,0
   print *testit;out=$null;end=1    >$null
   if hpfserr = 90 or hpfserr = 91 then
      pause 5
   else
      setvar NETRunning,"N"
   endif
endwhile

echo
echo Network transport services shutdown is complete.
echo

# ===============================================================
# -- Verify NMCONFIG FILE.If the DTS or NS subsystems are not
#    validated then validate them.

#  Run NMMGRVAL with parm=1 to set variables that indicate
#  which subsystems in NMCONFIG are not validated.
#  For any that are not, create a script to automatically
#  validate.
echo
echo !InvVideo Checking NMCONFIG file for non-validated subsystems.
echo
nmmgrval.pub.sys,1
setvar ValAny, VALDTS + VALNETXPORT + VALIBM + VALOSI
if ValAny > 0 then
   purge NMMGRCMD,temp >$null
   build NMMGRCMD;rec=-80,,f,ascii;temp
   file nmcmd=nmmgrcmd,oldtemp;dev=disc
   echo openconf nmconfig.pub.sys >>*nmcmd
   if VALDTS > 0 then
      echo The DTS subsystem is not validated. I will validate it.
      echo validateconf dts        >>*nmcmd
   endif
   if VALNETXPORT > 0 then
      echo NETXPORT subsystem is not validated. I will validate it.
      echo validateconf netxport   >>*nmcmd
   endif
   if VALIBM > 0 then
      echo The IBM subsystem is not validated. I will validate it.
      echo validateconf ibm        >>*nmcmd
   endif
   if VALOSI      > 0 then
      echo The OSI subsystem is not validated. I will validate it.
      echo validateconf osi        >>*nmcmd
   endif
   echo exit                       >>*nmcmd
   file formlist=$stdlist
   file nmmgrcmd,oldtemp;dev=disc
   echo Validating selected subsystems.
   nmmgr
   reset nmmgrcmd
   reset formlist
   reset nmcmd
   purge nmmgrcmd,temp
else
   echo    All NMCONFIG subsystems are validated.
   echo
endif
# ===============================================================
#
# - Create backup copy of the current system configuration.
#
echo
echo  !InvVideo Create a copy of the current system configuration.
echo

purge sysgin,temp >$null
build sysgin;rec=-80,,f,ascii;temp
file sgcmd=sysgin,oldtemp;dev=disc
echo @.pub.sys,@.net.sys;directory;show >indfile
echo permyes on  >>*sgcmd
echo keep >>*sgcmd
echo exit >>*sgcmd
file sysgin,oldtemp;dev=disc
sysgen bootup,prevcfg

# ===============================================================
if CreateSLT = "Y" then
   purge sysgin,temp >$null
   build sysgin;rec=-80,,f,ascii;temp
   file sgcmd=sysgin,oldtemp;dev=disc
   echo @.pub.sys,@.net.sys;directory;show >indfile
   echo tape store=^indfile >>*sgcmd
   echo exit >>*sgcmd
   file sysgin,oldtemp;dev=disc
   sysgen config
   if cierror <> 0 then
       echo
       echo !InvVideo  ===================================
       echo !InvVideo  The SLT is BAD! Do not unless you
       echo !InvVideo  know you can recover without it.
       echo !InvVideo  ===================================
       echo
   endif
   purge sysgin,temp
   purge indfile,temp
   reset sgcmd
   reset sysgin
endif

if PrintConfigList = "Y" then
   purge sysgin,temp >$null
   build sysgin;rec=-80,,f,ascii;temp
   file sgcmd=sysgin,oldtemp;dev=disc
   echo io >>*sgcmd
   echo ld >>*sgcmd
   echo lp >>*sgcmd
   echo exit >>*sgcmd
   echo exit >>*sgcmd
   file sysgout;dev=lp
   file sysgin,oldtemp;dev=disc
   sysgen config
   echo
   echo !InvVideo    Config listing has been produce on device LP.
   echo
   purge sysgin,temp
   reset sysgout
   reset sgcmd
   reset sysgin
endif
echo
# ===============================================================
#
#  -  Check to see if ESP/3000 has shut down. If not,
#     wait for it. It should take no longer than 2 minutes
#     or so from the time it is signalled.

if finfo("/ESP","EXISTS") then
   setvar ESPRunning,"Y"
   setvar NumTries,0
   while ESPRunning = "Y"
      file testit=espmain.pub.esp;exc
      continue
      setvar hpfserr,0
      print *testit;out=$null;end=1    >$null
      if hpfserr = 90 or hpfserr = 91 then
         setvar NumTries,Numtries + 1
         if NumTries = 1 then
            echo
            echo ESP/3000 is still running. Waiting for it to
            echo completely shutdown. This should take no more
            echo 2 minutes.
         endif
         pause 10
      else
         setvar ESPRunning,"N"
      endif
   endwhile
endif
# ===============================================================
#  Disk space check section
#     Check for critically low disk space on system volset that
#     could prevent the system from rebooting. See SR8606351808
#     Also check for contiguous disk space on LDEV 1 that could
#     prevent update from SLT.
echo
echo Checking free disk space on MPEXL_SYSTEM_VOLUME_SET
echo     (1 sector = 256 bytes)
echo
deletevar _c_@   >$null
purge chkdisk1 >$null
build chkdisk1;rec=-80,,f,ascii;disc=100;nocctl
file chkdisk1=chkdisk1,old
discfree.pub.sys "d,,mpexl_system_volume_set" >*chkdisk1
purge chkdisk2,temp > $null
grep.hpbin.sys "'AVAIL TO' CHKDISK1" > CHKDISK2
file chkdisk2=chkdisk2,oldtemp
input _c_chkdisk2_rec < *chkdisk2
setvar _c_avail_trans_sectors str('!_c_chkdisk2_rec',24,-34)
setvar _c_avail_perm_sectors str('!_c_chkdisk2_rec',62,-72)
setvar _c_avail_trans repl("!_c_avail_trans_sectors",' ','0')
setvar _c_avail_perm repl("!_c_avail_perm_sectors",' ','0')
setvar _c_avail_trans_n !_c_avail_trans
setvar _c_avail_perm_n !_c_avail_perm
#  ...the following data sourced from ":discfree d" output...
# !_c_avail_perm_n permanent sectors exist on the sysvolset.
#  !_c_avail_trans_n transient sectors exist on the sysvolset.
if _c_avail_perm_n < 100000
  echo ![InvVideo]There are less than 100,000 permanent sectors
  echo ![InvVideo]available on the system volume set.
  echo
  echo   Some systems have been known to completely fail to reboot
  echo   when critically low on permanent disk space.
  echo
  echo   Contact Beechglen at (513) 922-0509 for assistance with
  echo   cleaning up disk space. Use BIGFILES.PUB.ESP (download
  echo   the latest version it from http://www.beechglen.com)
  echo   to identify large files that are targets for removal to
  echo   free up disk space.
  echo
  echo ![InvVideo]It is recommended that you NOT continue with this
  echo ![InvVideo]system shutdown until you have remedied this disk
  echo ![InvVideo]space situation.
  echo
  echo Press [RETURN] to continue
  echo
  input Answer
else
  echo Free disk space OK for the purposes of rebooting
  echo
endif
echo
echo Checking fragmented disk space on LDEV 1.
echo
purge chkdisk1 > $null
purge chkdisk2,temp > $null
purge chkdisk3 > $null
build chkdisk3;rec=-80,,f,ascii;disc=100;nocctl
file chkdisk3=chkdisk3,old
discfree.pub.sys "a,1" >*chkdisk3
purge chkdisk4,temp > $null
xeq grep.hpbin.sys "'\-AND UP' CHKDISK3" >CHKDISK4
file chkdisk4=chkdisk4,oldtemp
input _c_chkdisk4_rec < *chkdisk4
setvar _c_free_contig_nbr100blks str('!_c_chkdisk4_rec',1,-6)
setvar _c_free_contig_100ksects str('!_c_chkdisk4_rec',52,-61)
setvar _c_free_nbr100blks repl("!_c_free_contig_nbr100blks",' ','0')
setvar _c_free_100ksects repl("!_c_free_contig_100ksects",' ','0')
setvar _c_free_nbr100blks_n !_c_free_nbr100blks
setvar _c_free_100ksects_n !_c_free_100ksects
purge chkdisk3 > $null
purge chkdisk4,temp > $null
#  the following data sourced from ":discfree 'a,1'" output...
# !_c_free_nbr100blks_n (100,000+) sector blocks are on ldev #1
# and these blocks add up to !_c_free_100ksects_n sectors total.
if _c_free_100ksects_n < 200000
  echo ![InvVideo]Overall there is less than 200,000 contiguous
  echo ![InvVideo]sectors of permanent disk space on LDEV 1.
  echo
  echo   Having such a small amount of contiguous
  echo   permanent disk space on LDEV #1 could prevent
  echo   an UPDATE from CSLT operation from succeeding.
  echo
  echo   It is suggested you take steps to free up contiguous
  echo   permanent disk space on LDEV 1.  Feel free to call
  echo   Beechglen at (513) 922-0509 for assistance.
  echo
  echo Press [RETURN] to continue
  echo
  input Answer
else
  echo Fragmented disk space check on LDEV 1 results are OK
  echo for the purposes of rebooting.
  echo
endif
# ===============================================================
echo
echo SHUTDOWN pre-processing has completed. You may now shut
echo the system down after any actions listed above are complete.
echo Press CTL-A then type in SHUTDOWN and press [RETURN].
echo
# ===============================================================