OpenLDAP

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Disaster Recovery

OpenLDAP stores its files in /var/lib/ldap/, and we have text dump backups in /etc/ldap/ldifs/. If the primary storage in /var/lib/ldap/ becomes corrupt, the following steps can be taken (as root) to correct it:

1. Stop slapd (/etc/init.d/slapd stop, or you may have to pkill -9 slapd)
2. Attempt an in-place repair:
   1. cd /var/lib/ldap
   2. db4.3_recover .
3. Try restarting slapd (/etc/init.d/slapd start).
4. If that didn't work, you'll have to restore from backup. Kill slapd again.
   1. cd /var/lib
   2. mv ldap ldap-yyyymmdd
   3. mkdir ldap
   4. cd /etc/ldap/ldifs
   5. slapadd < backup-daily.ldif
5. Restart slapd. If it isn't working at this point, you're in deeper trouble than I can get you out of with a quick explanation.