Re: Looking for a script that performs full online backup of postgres in archive mode

 > have a shell script that
> performs a full online backup of postgres?

Full backup ex. pg_dumpall

Daily backup (dump) / database:
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#!/someshellpath like /bin/sh or /bin/bash or /bin/ksh ...
#daily.sh
#default plaintext
#usage: daily.sh [c|t|p]
#
PORT=5432
HOST="localhost"
DB="mysomedb"
DB_USER="myusername"
FORMAT="p"  # c t p=plaintext
TYPE="txt"
COMPRESS=1
case "$1" in
         c) FORMAT="c"; COMPRESS=0;;
         t) FORMAT="t";;
         p) FORMAT="p";;
esac
case "$FORMAT" in
         c) TYPE=comp ;;
         t) TYPE=tar ;;
         p) TYPE="txt" ;;
esac
day=$(date '+%d');

pg_dump -F "$FORMAT" -p "$PORT" -h "$HOST"  -U "$DB_USER"  "$DB" > 
daily.$day.backup.$TYPE
[ "$COMPRESS" = 0 ] && exit 0

# compress daily.$day.backup.$TYPE
gzip daily.$day.backup.$TYPE

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Remember - test also your restore procedure.