Example: Modifying the PostgreSQL Configuration File

1. Modify the PGROOT and PD_LIBRARY_PATH environment variables according to the needs of your build.

   The databases are stored under /postgres/data. The log file is stored under /postgres/logs/sclog.

   phys-schost-1# PGROOT=/postgres/postresql-8.3.1

   phys-schost-1# LD_LIBRARY_PATH=/postgres/postgresql-8.3.1:/usr/sfw/lib: \
   /usr/local/lib:/usr/lib:/opt/csw/lib

   phys-schost-1# export PGROOT

   phys-schost-1# export LD_LIBRARY_PATH

   If you are installing the software in the default directory, set PGROOT to /usr/local/pgsql and LD_LIBRARY_PATH to /usr/local/pgsql/lib:/usr/sfw/lib:/usr/local/lib:/usr/lib:/opt/csw/lib.

2. Copy the PostgreSQL configuration files from the agent directory to its deployment location.

   phys-schost-1# cp /opt/SUNWscPostgreSQL/util/pgs_config /postgres/pgs_config_pri

   phys-schost-1# cp /opt/SUNWscPostgreSQL/rolechg/util/rolchg_config /postgres \
   /rolechg_config

   phys-schost-2# cp /opt/SUNWscPostgreSQL/util/pgs_config /postgres/pgs_config_sta

3. Add the cluster information to the configuration files.

   The following list shows the relevant file entries for pgs_config_pri and the values to assign to each entry.

   RS=PRIM-RS
   RG=POSTGRES-PRIM-RG
   PORT=5432
   LH=
   HAS_RS=
   PFILE=PRIM-RS-pfile
   
   
   USER=pgs
   PGROOT=/usr/local/pgsql
   PGROOT=/postgres/postgresql-8.3.1
   PGPORT=5432
   PGHOST=pgsql-port
   PGLOGFILE=/postgres/logs/sclog
   # LD_LIBRARY_PATH=/usr/local/pgsql/lib:/usr/sfw/lib:/usr/local/lib:/usr/lib:/opt/csw/lib
   LD_LIBRARY_PATH=/postgres/postgresql-8.3.1/lib:/usr/sfw/lib/opt/csw/lib
   SCDB=sctest
   SCUSER=scusser
   SCTABLE=sctable
   SCPASS=
   STDBY_RS=STA-RS
   STDBY_RG=POSTGRES-STA-RG
   STDBY_USER=pgs
   STDBY_HOST=phys-schost-2
   STDBY_PARFILE=/postgres/STA-RS-pfile
   STDBY_PING=
   ROLECHG_RS=
   SSH_PASSDIR=

   The following list shows the relevant file entries for pgs_config_sta and the values to assign to each entry.

   RS=STA-RS
   RG=POSTGRES-STA-RG
   PORT=5432
   LH=
   HAS_RS=
   PFILE=postgres/STA-RS-pfile
   
   
   USER=pgs
   PGROOT=/usr/local/pgsql
   PGROOT=/postgres/postgresql-8.3.1
   PGPORT=5432
   PGLOGFILE=/postgres/logs/sclog
   # LD_LIBRARY_PATH=/usr/local/pgsql/lib:/usr/sfw/lib:/usr/local/lib:/usr/lib:/opt/csw/lib
   LD_LIBRARY_PATH=/postgres/postgresql-8.3.1/lib:/usr/sfw/lib/opt/csw/lib
   SCDB=sctest
   SCUSER=scusser
   SCTABLE=sctable
   SCPASS=
   STDBY_RS=
   STDBY_RG=
   STDBY_USER=
   STDBY_HOST=
   STDBY_PARFILE=
   STDBY_PING=
   ROLECHG_RS=ROLECHG-RS
   SSH_PASSDIR=

   The following listing shows the relevant file entries for rolechg_config and the values you need to assign to each entry.

   RS=ROLECHG-RS
   RG=ROLECHG-RG
   PORT=5432
   LH=ha-host1
   FILE=postgres/STA-RS-pfile
   HAS_RS=
   STDBY_RS=STA-RS
   PRI_RS=PRIM-RS
   STDBY_HOST=phys-schost-2
   STDBY_PFILE=/postgres/STA-RS-pfile
   TRIGGER=/postgres/data/failover
   WAIT=20

4. Save and close the files.