Service guard cluster

[Prashanth Waugh]

Dear All,

what is the difference between oracle clusterware and RHEL cluster or Service-gurad cluster. How to configer the cluster using the oracle clusterware ot its simillar to HP Serviceguard configeraion process.

Thanks ,
Prashant

[Wim Rombauts]

All are softwares for clustering, just like RHEL, MS Windows and HP-UX are all operating systems.

RHEL cluster is included in RHEL 5.x and is only for RH Linux.
ServiceGuard is an optional product on top of HP-UX.
Clusterware is Oracle's solution for clustering, and works both on RHEL and HP-UX. Clusterware is mandatory if you want to run Oracle RAC.
On HP-UX you can run clusterware on top of ServiceGuard. As far s I know, ServiceGuard has much better hardware and lan checking possibilities, so it can make sense to run clusterware on top of a ServiceGuard cluster.

So I think you first need to make your choices.
For OracleRAC on (RH) Linux, run clusterware.
For just a RH Linux cluster, not for Oracle RAC, run RH-clustering.
For HP-UX, if you are only going to run OracleRAC on it, you may choose to run Clusterware, otherwise I would suggest to run ServiceGuard because you will have much better support vor ServiceGuard when you use it for other applications too.