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Re: Need to fix one more glitch in upgrade to -10.2

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On 02/17/2018 02:25 PM, Rich Shepard wrote:
On Sat, 17 Feb 2018, Adrian Klaver wrote:

How did you upgrade, dump/restore or pg_upgrade?

Adrian,

  Ran 'pg_dumpall -c -f <filename>.sql' prior to doing anything. Then built,
installed the new version, upgraded rc.postgresql (only differences were
version numbers), and ran 'pg_upgrade ...' with the appropriate binary and
data directory paths.

Did pg_upgrade spit out any warnings/errors?


What is in rc.postgresql? Is there maybe another start script in etc/ for
the new version?

In your previous post you showed:
# /etc/rc.postgresql reload

yet below shows:

/etc/rc.d/rc.postgresql

Cut and paste error or not?

So are env variables set correctly?

Your ps ax output showed a Postgres instance running:

postgres -D /var/lib/pgsql/10.2/data

Do you know what port it is using and try to connect to it?



   Nope. One script per application.

/etc/rc.d/rc.postgresql:

#!/bin/bash

# PostgreSQL startup script for Slackware Linux
#
# $Revision$
# $Date$
#
# Copyright 2007-2018 Adis Nezirovic <adis_at_linux.org.ba>
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, #  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

# Do not source this script (since it contains exit() calls)
#
# Since version 9.3 this startup script can run multiple PostgreSQL
# versions on different ports and with different data dirs.
# # e.g. PG_VERSION=10.2 PG_PORT=6432 /etc/rc.d/rc.@PRGNAM@ start

PG_VERSION=${PG_VERSION:-@PG_VERSION@}
PG_PORT=${PG_PORT:-@PG_PORT@}
LIBDIRSUFFIX="@LIBDIRSUFFIX@"
LOGFILE=/var/log/@PRGNAM@-$PG_VERSION
DATADIR=/var/lib/pgsql/$PG_VERSION/data
POSTGRES=/usr/lib${LIBDIRSUFFIX}/@PRGNAM@/$PG_VERSION/bin/postgres
PG_CTL=/usr/lib${LIBDIRSUFFIX}/@PRGNAM@/$PG_VERSION/bin/pg_ctl
PIDFILE=$DATADIR/postmaster.pid

# oom-killer score
#
# http://www.postgresql.org/docs/10.2/static/kernel-resources.html#LINUX-MEMORY-OVERCOMMIT
PG_OOM_ADJUST_FILE=/proc/self/oom_score_adj
PG_MASTER_OOM_SCORE_ADJ=-1000
PG_CHILD_OOM_SCORE_ADJ=0
PG_ENV="PG_OOM_ADJUST_FILE=$PG_OOM_ADJUST_FILE PG_OOM_ADJUST_VALUE=$PG_CHILD_OOM_SCORE_ADJ"

# Return values (according to LSB):
# 0 - success
# 1 - generic or unspecified error
# 2 - invalid or excess argument(s)
# 3 - unimplemented feature (e.g. "reload")
# 4 - insufficient privilege
# 5 - program is not installed
# 6 - program is not configured
# 7 - program is not running

pg_ctl()
{
     CMD="$PG_CTL -o '-p $PG_PORT' $@"
     su - postgres -c "$PG_ENV $CMD"
}

if [ ! -f $POSTGRES ]; then
    echo "Could not find 'postgres' binary. Maybe PostgreSQL is not installed properly?"
     exit 5
fi

case "$1" in

     "start")
         echo "Starting PostgreSQL"
         touch $LOGFILE
         chown postgres:wheel $LOGFILE
         chmod 0640 $LOGFILE

         if [ ! -e $DATADIR/PG_VERSION ]; then
            echo "You should initialize the PostgreSQL database at location $DATADIR"             echo "e.g. su postgres -c \"initdb -D $DATADIR --locale=en_US.UTF-8 -A md5 -W\""
             exit 6
         fi

         if [ $(pgrep -f $POSTGRES) ]; then

             echo "PostgreSQL daemon already running"
             if [ ! -f $PIDFILE ]; then
                 echo "Warning: Missing pid file $PIDFILE"
             fi
             exit 1

         else
            test -e "$PG_OOM_ADJUST_FILE" && echo "$PG_MASTER_OOM_SCORE_ADJ" > "$PG_OOM_ADJUST_FILE"
             pg_ctl start -w -l $LOGFILE -D $DATADIR
             exit 0
         fi
     ;;

     "stop")
         echo "Shutting down PostgreSQL..."
         pg_ctl stop -l $LOGFILE -D $DATADIR -m smart
     ;;

     "force-stop")
         # Take care! This will kill _all_ client connections
         # and rollback current transactions.
         echo "Shutting down PostgreSQL (fast)..."
         pg_ctl stop -l $LOGFILE -D $DATADIR -m fast
     ;;

     "unclean-stop")
         # Take care! This will abort server process itself
         # resulting with database recovery on next start.
         echo "Shutting down PostgreSQL (immediate)..."
         pg_ctl stop -l $LOGFILE -D $DATADIR -m immediate
     ;;

     "restart")
         echo "Restarting PostgreSQL..."
        test -e "$PG_OOM_ADJUST_FILE" && echo "$PG_MASTER_OOM_SCORE_ADJ" > "$PG_OOM_ADJUST_FILE"
         pg_ctl restart -l $LOGFILE -D $DATADIR -m smart
     ;;

     "force-restart")
         # Take care! This will kill _all_ client connections
         # and rollback current transactions.
         echo "Restarting PostgreSQL (fast)..."
         pg_ctl restart -l $LOGFILE -D $DATADIR -m fast
     ;;

     "unclean-restart")
         # Take care: This will abort server process itself
         # resulting with database recovery on start.
         echo "Restarting PostgreSQL (immediate)..."
         pg_ctl restart -l $LOGFILE -D $DATADIR -m immediate
     ;;

     "reload")
         echo "Reloading configuration for PostgreSQL..."
         pg_ctl reload -l $LOGFILE -D $DATADIR -m smart
     ;;

     "status")
         if [ $(pgrep -f $POSTGRES) ]; then
             echo "PostgreSQL is running"

             if [ ! -e $PIDFILE ]; then
                 echo "Warning: Missing pid file $PIDFILE"
             fi

             exit 0
         else
             echo "PostgreSQL is stopped"

             if [ -e $PIDFILE ]; then
                 echo "Detected stale pid file $PIDFILE"
             fi

             exit 0
         fi
     ;;

     *)
         # unclean-stop and unclean-restart are not documented on purpose.
        echo "Usage: $0 {start|stop|force-stop|status|restart|force-restart|reload}"
         exit 1
     ;;
esac

Regards,

Rich




--
Adrian Klaver
adrian.klaver@xxxxxxxxxxx




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