2676025 - Insufficient free disk during database upgrade using saphostctrl for SAP ASE for BS

• Running the sapdbctrl update using saphostctrl process for Business Suite ASE 16.0.02.07 to 16.0.03.04.  
• Error is reporting insufficient free disk space for the installation despite having adequate space in the target directory. 
• Messages in dev_sapdbctrl log:
  
  ERROR AT sybctrl.cpp:processMessage:
  DESCRIPTION: SQL failed with errorcode 5702, state ZZZZZ, msg: [SAP][ASE ODBC Driver][Adaptive Server Enterprise]ASE is terminating this process.
  LAST OS-ERROR: (0) : Success
  LAST OS-ERROR: (0) : Success
  ERROR AT sybctrl.cpp:processMessage:324
  DESCRIPTION: SQL failed with errorcode 30046, state 08S01, msg: [SAP][ASE ODBC Driver]Connection to the server has been lost. Connection died while reading from socket. ERRNO returned 0. Check the server to determine the status of any open transactions. LAST OS-ERROR: (0) : Success
  ERROR AT sybctrl.cpp:processMessage:324
  DESCRIPTION: SQL failed with errorcode 6006, state ZZZZZ, msg: [SAP][ASE ODBC Driver][Adaptive Server Enterprise]Server SHUTDOWN by request.
  LAST OS-ERROR: (0) : Success
  LAST OS-ERROR: (0) : Success
  statement execution via odbc failed.
  [SAP][ASE ODBC Driver][Adaptive Server Enterprise]ASE is terminating this process.
  ...
  [SAP][ASE ODBC Driver]Connection to the server has been lost. Connection died while reading from socket. ERRNO returned 0. Check the server to determine the status of any open transactions.
  [SAP][ASE ODBC Driver][Adaptive Server Enterprise]Server SHUTDOWN by request.
  ...
  SigISetDefaultAction : default handling for signal SIGCHLD
  SAP ASE Server instance GWD is not running.
  sapparam: sapargv(argc, argv) has not been called!
  sapparam(1c): No Profile used.
  sapparam: SAPSYSTEMNAME neither in Profile nor in Commandline
  
  Warning!
  
  This installation requires 1,477.39 MB of free disk space, but there are only 1,258.95 MB available at:
  
  command /bin/sh -c "/usr/sap/trans/ase/extract/setup.bin -f /usr/sap/hostctrl/work/<SID>/dbsrvresp_update.txt -i silent -DAGREE_TO_SAP_LICENSE=true -DAGREE_TO_SYBASE_LICENSE=true
  -DUSER_INSTALL_DIR=/sybase/GWD 2>&1 ": failed with exit code 212.
  
  ...
  
  Updating ASE software failed. Check logfile /sybase/<SID>/log/ASE_Suite.log for errors.
  LiveUpdateOption update ASE software failed
  *** ERROR => 'Database live update' failed: Updating ASE software failed. Check logfile /sybase/<SID>/log/ASE_Suite.log for errors.

SAP Adaptive Server Enterprise (ASE) 16.0 for Business Suite

Disk Space Installation Upgrade , KBA , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , Bug Filed