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Re: Corrupt LDAP DB ...
On Thursday 27 October 2005 07:52 am, C.Lee Taylor wrote:
> Greetings ...
> For quite some time, we seem to be getting corrupt LDAP DB. LDAP just
> stops working and we can't restarted. Have done slap slapindex -v -c,
> but that just hangs.
I have experienced this problem before. It was an ldap server I had running
in UML (UserModeLinux) under Gentoo. The problem was not related to openldap
at all though. I believe it was with the UML server. A crash would result
in corrupt database files that were inaccessible in the way that you
> So, currently, we restart all the LDAP servers in readonly mode, dump
> the DB and restart LDAP in normal mode. If a server falls overs, we
> rsync a readonly DB over the broke LDAP and start working again.
My hack was to create a cron job that would backup the ldap database nightly,
then I wrote a small script to rm -r /var/lib/openldap-data, slapadd <backup
file>, chown ldap -R /var/lib/openldap-data, /etc/init.d/slapd start... This
was not a production server, so I could get away with not putting effort into
My point isn't necessarily that you are not alone, but rather, the issue in my
case seemed to be resultant of the server itself crashing or causing
problems, not openldap. Perhaps these servers share similar problems
external to openldap, and the result is corrupting your databases.