Hi, there should be openldap resource in your cluster, but if not you can always use a script resource or write your own. On Thu, 24 Jan 2013 14:49:45 -0800, Rick Stevens <ricks@xxxxxxxxxxxxxx> wrote: > On 01/24/2013 01:57 PM, Dryden, Tom issued this missive: >> >> Good Afternoon, >> >> There are a couple of reasons to implement LDAP on a cluster. >> 1. I have a cluster with GFS partitions available. > > Good. > >> 2. Want to avoid the cost putting up 2 more machines for master - >> master LDAP operation. > > Master-master LDAP replication is not hard to do and you're still going > to have two machines running LDAP. Perhaps not simultaneously, but you > will still have two machines. > >> 3. Want to avoid the timeout the client experiences when the primary is >> unavailable. > > This is what the TIMEOUT and SIZELIMIT and NETWORK_TIMEOUT variables in > the various incarnations of the ldap.conf file are for. The defaults do > make things sluggish if a primary goes down, but you can tweak that. > >> My thought is to have the LADP data stored on a GFS partition while the >> LDAP server process and IP address are managed as a service. In this >> configuration the process can move between nodes with no impact to the >> clients. > > Personally, I think you're over complicating things and unless you have > a ridiculously big LDAP database that you don't want to replicate, I > don't think you're really buying anything here. We run several master- > master LDAP clusters here--even with one replicating across the country > (California <--> Florida). Works fine. > > That being said, as with most FOSS stuff, there's more than one way to > skin a mule. Do as you wish. > ---------------------------------------------------------------------- > - Rick Stevens, Systems Engineer, AllDigital ricks@xxxxxxxxxxxxxx - > - AIM/Skype: therps2 ICQ: 22643734 Yahoo: origrps2 - > - - > - All generalizations are false. - > ---------------------------------------------------------------------- -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
