Re: [ADMIN] Backup of postgres

On Wed, 19 Aug 1998, Marc Howard Zuckman wrote:
>
> On Wed, 19 Aug 1998, Przemyslaw Bak wrote:
>
> > Hi all,
> >
> > I have following script to backup database:
> > --------- cut ----------
> > #!/bin/sh
> >
> > PSQL=/usr/local/pgsql/bin/psql
> > DUMP=/usr/local/pgsql/bin/pg_dump
> > PREFIX=`date +%j`
> > BACKUP_DIR=/usr/local/pgsql/data/base/.BACKUP
> >
> > Databases=`$PSQL -tq -d template1 -c "select datname from pg_database"`
> > renice 20 $$
> >
> > echo Backup started ...
> > for db in `echo $Databases`
> > do
> >
> >   echo "time: `date +%H%M%S` - Backup of $db in progress ..."
> >   $DUMP -D $db > /$BACKUP_DIR/$PREFIX.$db
> >   echo "time: `date +%H%M%S` - Backup of $db finnished ..."
> > done
> > echo Backup finnished ...
> > --------- cut ----------
> >
> > Crontab runs it every night (4:00am - nobody is working on the machine).
> > But every run I have following message:
> >
> > ---------- cut -------------
> > From: Cron Daemon <root@shire.st3.makro.com.pl>
> > To: postgres@shire.st3.makro.com.pl
> > Subject: Cron <postgres@shire> /usr/local/pgsql/store3/Backup.sh
> >
> > 3986: old priority 0, new priority 20
> > Backup started ...
> > time: 040001 - Backup of template1 in progress ...
> > time: 040004 - Backup of template1 finnished ...
> > time: 040004 - Backup of mzo in progress ...
> > time: 040010 - Backup of mzo finnished ...
> > time: 040010 - Backup of store3 in progress ...
> > /usr/local/pgsql/store3/Backup.sh: line 19:  4002 Segmentation fault      $DUMP -D $db >/$BACKUP_DIR/$PREFIX.$db
> > time: 042021 - Backup of store3 finnished ...
> > Backup finnished ...
> > ---------- cut -------------
> >
> > What's wrong with this script ?
> > It is running on Linux 2.0.33, Pentium 200, 64MB.
> > Please help - we save in postgres huge number of data.
> >
> > przemol
> >
> >
> What version of postgresql are you running?  I can't recall whether
> it was in 6.2 or 6.1 (I think 6.2), but one of those versions
> contained a pg_dump that would seg fault on some databases.

Postgres 6.3.2. I compiled it from sources.

przemol