Re: Migrating openldap db backend from ibdm to bdb

["Gavin Henry" <ghenry@suretecsystems.com>]

<quote who="Asrai khn">
> Hi
>
> I want to migrate our openldap db backend which currently using idbm to
> bdb,
> Matt have suggested following steps, would you please kind enough to put
> some more light on few steps
>
> <snip>
> Migrate to BDB or HDB.  Here's the rough idea:
> shutdown slapd
> slapcat -f /path/to/slapd.conf -l mydb.ldif
> vi /path/to/slapd.conf
>  Change your database to a new directory.
>  Read about tuning, cache sizing, and other stuff.
>  Read openldap man pages. ( what to read ;)
>  Read oracle's tuning docs for bdb. (we are not using any oracle things)
>  Re-Read openldap man pages. (re-read for what :-S
> :wq
> slapadd -f /path/to/slapd.conf -l mydb.ldif
>
> Fix permissions on /var/run so the slapd user can write there -- this
> one is pretty easy
> </snip>
>
> Secondly, to be safe side, if something goes wrong, taking backup of ...
>
> directory       /var/lib/ldap/mydomain.com
>
> cp -r /var/lib/ldap/mydomain.com /TosomeSafePlace
>
> is enough to fallback to ibdm?

Above looks about right. Just keep your slapcat export safe, then you can
fall back to any backend, if need be.

>
> I want minimum downtime, heh frankly I can't aford my ass on fire :P

Hire someone with experience then! ;-)

>
> Thanks. Askar
>