Re: Running ldif2ldbm while slapd is still running - possible ?

[Doug Nazar <nazard@dragoninc.on.ca>]

On 10 Jun, Jochen Tuchbreiter wrote:
> I am in the situation that I need to create the whole LDAP-Database every
> night from data stored in a SQL-DB. The current solution is to generate an
> ldif-file, stop slapd (making pop3 unavaible for my users for about 15min [I
> am using qmail-ldap]), then run ldif2ldbm and restart slapd afterwards.
> 
> The problem with this is that in the near future I can not afford the
> "unavailibility" of the ldap-service, even at nights.
> 
> My Idea ist to simlpy run ldif2lbm in the background while slapd is still
> running. Of course ldif2lbm would have to create the database in a different
> directory and slapd would have to run in read-only mode during this time.
> After ldif2ldbm is done I am planning on simply copying the new db-dir to
> the old one, overwriting the db-files.
> 
> Is this possible / do you consider this to be "safe" ?

No. Certain information is cached in memory. My advice is to generate a
"diff" file between the last two ldifs and apply the changes live via
ldapmodify.

-- 
Doug Nazar
Dragon Computer Consultants Inc.
Tel: (416) 708-1578     Fax: (416) 708-8081