or print "timed out";
# Do an online pg_basebackup
- my $ret = $node->backup('testbackup');
+ my $ret = $node->backup('testbackup1');
+
+ # Take a backup of a running server
+ my $ret = $node->backup_fs_hot('testbackup2');
+
+ # Take a backup of a stopped server
+ $node->stop;
+ my $ret = $node->backup_fs_cold('testbackup3')
# Restore it to create a new independent node (not a replica)
my $replica = get_new_node('replica');
=item $node->backup(backup_name)
-Create a hot backup with pg_basebackup in $node->backup_dir,
-including the transaction logs. xlogs are fetched at the
-end of the backup, not streamed.
+Create a hot backup with B<pg_basebackup> in subdirectory B<backup_name> of
+B<< $node->backup_dir >>, including the transaction logs. Transaction logs are
+fetched at the end of the backup, not streamed.
-You'll have to configure a suitable max_wal_senders on the
+You'll have to configure a suitable B<max_wal_senders> on the
target server since it isn't done by default.
=cut
my $port = $self->port;
my $name = $self->name;
- print "# Taking backup $backup_name from node \"$name\"\n";
+ print "# Taking pg_basebackup $backup_name from node \"$name\"\n";
TestLib::system_or_bail("pg_basebackup -D $backup_path -p $port -x");
print "# Backup finished\n";
}
+=item $node->backup_fs_hot(backup_name)
+
+Create a backup with a filesystem level copy in subdirectory B<backup_name> of
+B<< $node->backup_dir >>, including transaction logs.
+
+Archiving must be enabled, as B<pg_start_backup()> and B<pg_stop_backup()> are
+used. This is not checked or enforced.
+
+The backup name is passed as the backup label to B<pg_start_backup()>.
+
+=cut
+
+sub backup_fs_hot
+{
+ my ($self, $backup_name) = @_;
+ $self->_backup_fs($backup_name, 1);
+}
+
+=item $node->backup_fs_cold(backup_name)
+
+Create a backup with a filesystem level copy in subdirectory B<backup_name> of
+B<< $node->backup_dir >>, including transaction logs. The server must be
+stopped as no attempt to handle concurrent writes is made.
+
+Use B<backup> or B<backup_fs_hot> if you want to back up a running server.
+
+=cut
+
+sub backup_fs_cold
+{
+ my ($self, $backup_name) = @_;
+ $self->_backup_fs($backup_name, 0);
+}
+
+
+# Common sub of backup_fs_hot and backup_fs_cold
+sub _backup_fs
+{
+ my ($self, $backup_name, $hot) = @_;
+ my $backup_path = $self->backup_dir . '/' . $backup_name;
+ my $port = $self->port;
+ my $name = $self->name;
+
+ print "# Taking filesystem backup $backup_name from node \"$name\"\n";
+
+ if ($hot)
+ {
+ my $stdout = $self->safe_psql('postgres',
+ "SELECT * FROM pg_start_backup('$backup_name');");
+ print "# pg_start_backup: $stdout\n";
+ }
+
+ RecursiveCopy::copypath(
+ $self->data_dir,
+ $backup_path,
+ filterfn => sub {
+ my $src = shift;
+ return ($src ne 'pg_log' and $src ne 'postmaster.pid');
+ });
+
+ if ($hot)
+ {
+ # We ignore pg_stop_backup's return value. We also assume archiving
+ # is enabled; otherwise the caller will have to copy the remaining
+ # segments.
+ my $stdout = $self->safe_psql('postgres',
+ 'SELECT * FROM pg_stop_backup();');
+ print "# pg_stop_backup: $stdout\n";
+ }
+
+ print "# Backup finished\n";
+}
+
+
+
=pod
=item $node->init_from_backup(root_node, backup_name)