MSCS installation

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Hi,

Im planning for new MSCS clustter installation of ECC 6.0 with SQL 2005 on windows 2003 server.

There is two nodes with one shred drive.

Assuming both nodes are MSCS clustterd and I need to start with SAP installation -

Had gone thru Inst docs too and have few pts to discuss-

Plz correct me if im wrong -

On Node 1st

- install SQL server on 1st node

- install central service instance

- install central service instance for ABAP

- clustter first node

- install central instance

On Node 2nd

- install SQL server on 1st node

- install central service instance

- install central service instance for ABAP

- clustter 2nd node

- install dialoge instance

Plz clarify these pts -

1.what is the difference between

- central instance

- central service instance

- central service instance for ABAP

2. Do we need to install Enqueue replication server on all nodes. If yes, can I find it in SQL server DVD?

3. about IPs assigment -

- do we need to have two network card on each nodes

- do wee need to have different range of IP for node to node communication and LAN access

e.g IPs Host name IPs Host name

10.0.0.1 nodeA 10.0.0.2 nodeB (direct commu)

192.168.0.1 LANa 192.168.0.2 LANb (LAN commu.)

how do we assign IPs to -

cluster grp

sap cluster grp

database cluster grp

Many Thanks

Mani