[K12OSN] What's the difference between OpenLDAP backen dbm and ldbm

[Petre Scheie]

 From Gerald Carter's "LDAP System Administration" (O'Reilly):

"In order to build a standalone OpenLDAP server, it is necessary to provide libraries 
for some type of database manager (DBM).  OpenLDAP presently supports two categories of 
local DB storage.  The first, referred to as ldbm, can use either the GNU Database 
Manager from the Free Software Foundation or the BerkelyDB package from Sleepycat 
software.  The second database type introduced in OpenLDAP 2.1, called dbd, has been 
customized to use only the Berkeley DB 4 libraries.  The newer dbd backend type is 
preferred to the ldbm interface for servers that maintain local copies of data, such as 
those we will build in this book."

You might check out the FSF and Sleepcat websites for more details.

HTH

Petre

Brian Webport wrote:
> We're happily running our Samba 3 / OpenLDAP system setup using the 
> smbldap-installer script. I've been looking around trying to do a little 
> background reading on the OpenLDAP section and I'm a little confused as 
> to what the difference is between dbm & ldbm for the backend database.
> 
> I see from our slapd.conf file that the installer uses ldbm is this 
> better then dbm ??
> 
> Any information would be greatfully received.
> 
> Thanks
> Brian Chivers
> Portsmouth College
> 
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