diff --git a/doc/src/sgml/backup.sgml b/doc/src/sgml/backup.sgml index 2697edf86e3..29642fe81d9 100644 --- a/doc/src/sgml/backup.sgml +++ b/doc/src/sgml/backup.sgml @@ -1,4 +1,4 @@ - + Backup and Restore @@ -386,9 +386,17 @@ tar -cf backup.tar /usr/local/pgsql/data not be possible to use snapshot backup because the snapshots must be simultaneous. Read your file system documentation very carefully before trusting - to the consistent-snapshot technique in such situations. The safest - approach is to shut down the database server for long enough to - establish all the frozen snapshots. + to the consistent-snapshot technique in such situations. + + + + If simultaneous snapshots are not possible, one option is to shut down + the database server long enough to establish all the frozen snapshots. + Another option is perform a continuous archiving base backup () because such backups are immune to file + system changes during the backup. This requires enabling continuous + archiving just during the backup process; restore is done using + continuous archive recovery ().