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| -rw-r--r-- | source3/tdb/tdbbackup.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/source3/tdb/tdbbackup.c b/source3/tdb/tdbbackup.c index 2da81cd213..91bedb5661 100644 --- a/source3/tdb/tdbbackup.c +++ b/source3/tdb/tdbbackup.c @@ -18,6 +18,29 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +/* + + This program is meant for backup/restore of tdb databases. Typical usage would be: + tdbbackup /var/lock/samba/*.tdb + when Samba shuts down cleanly, which will make a backup of all the local databases + to *.bak files. Then on Samba startup you would use: + tdbbackup -v /var/lock/samba/*.tdb + and this will check the databases for corruption and if corruption is detected then + the backup will be restored. + + You may also like to do a backup on a regular basis while Samba is + running, perhaps using cron. + + The reason this program is needed is to cope with power failures + while Samba is running. A power failure could lead to database + corruption and Samba will then not start correctly. + + Note that many of the databases in Samba are transient and thus + don't need to be backed up, so you can optimise the above a little + by only running the backup on the critical databases. + + */ + #include <errno.h> #include <stdlib.h> #include <stdio.h> |