Re: problem backup/restore PSQL DB

Thanks for helping. My postgresql DB is actually part of the OME system
which stores Image Metadata. The system overview is as following:
http://www.openmicroscopy.org/system-overview/.

So I am actually using the option provided by OME to backup/restore my
system.
http://www.openmicroscopy.org/system-admin/backup_restore.html

Part of the backup code in perl is as following:

print " \\_ Backing up postgress database ome\n";
my $dbConf = $environment->DB_conf();
my $dbName = 'ome';
$dbName = $dbConf->{Name} if $dbConf->{Name};

my $flags = '';
$flags .= '-h '.$dbConf->{Host}.' ' if $dbConf->{Host};
$flags .= '-p '.$dbConf->{Port}.' ' if $dbConf->{Port};
$flags .= '-U '.$dbConf->{User}.' ' if $dbConf->{User};
$flags .= '-Fc'; # -F (format).
# -p: use the plain text SQL script file this should be
the most portable
# -c: custom archive suitable for input into pg_restore
print STDERR "su $postgress_user -c '".$prog_path{'pg_dump'}." $flags -o
$dbName > /tmp/omeDB_backup'\n";

# backup database and watch output from pg_dump
foreach (`su $postgress_user -c '$prog_path{'pg_dump'} $flags -o $dbName
> /tmp/omeDB_backup' 2>&1`) {
print STDERR "\nDatabase Backup Failed: $_" and die if $_ =~
/pg_dump/ or $_ =~ /ERROR/ or $_ =~ /FATAL/;
}
# check the size of omeDB_backup
if (stat("/tmp/omeDB_backup")->size < 1024) {
print STDERR "\nDatabase Backup Failed: /tmp/omeDB_backup is less
than 1024 bytes in size \n";
die;
}
# log version of backup
open (FILEOUT, "> /tmp/OMEmaint") or die "Couldn't open OMEmaint for
writing\n";
print FILEOUT "version=$dbAdmin_version\n";
close (FILEOUT);

I will try modify the 'pg_dump' to 'pg_dumpall' and see if it works..
But is it even possible to backup one system and restore it in another? I
just don't want to go into a deadend. Many thanks!!

Jun

On 7/25/06, Shoaib Mir <shoaibmir(at)gmail(dot)com> wrote:
>
> You can also try using 'pg_dumpall' (
> http://www.postgresql.org/docs/8.1/static/app-pg-dumpall.html) that will
> take the dump of all the users, groups and databases.
>
> Thanks,
>
> Shoaib Mir
> EnterpriseDB
>
>
> On 7/25/06, Paul S <plabrh1(at)gmail(dot)com> wrote:
> >
> >
> > It looks like it's a user configuration issue. I have hit user setup
> > issues
> > while restoring DB's before and generally I find it useful to create the
> > Users and/or Groups manually on the new server first before restoring
> > the
> > DB's whenever I hit problems like that. Try syncing the users manually,
> > (assuming that there are only a few and that it could be done manually
> > with
> > some level of ease) and then try restoring again.
> >
> > -Paul
> > --
> > View this message in context:
> > http://www.nabble.com/problem-backup-restore-PSQL-DB-tf1995768.html#a5478199
> > Sent from the PostgreSQL - admin forum at Nabble.com.
> >
> >
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