HP StorageWorks B-Series Remote Replication Solution Best Practices Guide (5697-6731, June 2007)

2. Use B-Series WANTOOLS facilities to discover the operational characteristics

of the IP network you intend to use for Continuous Access replication. See

Tools for managing and monitoring the replication network, page 3 7 for more information.

Document the characteristics of the WAN connection including:

• Bandwidth available

• PMTU— Path Maximum Transmission Unit and whether jumbo frames are supported across

the WAN (PMTU must be larger than 1500)

NOTE:

If you input the wrong MTU size (too large), the I/O will take more time than necessary as

the IP transport (WAN link) makes no effort to optimize the transfer of data.

3. Install both local and remote B-Series MP routers (Director b lade or stand-alone).

4. Enable/conﬁgu re the B-Series MP Router ports for both FC conne ctivity to the lo cal fabrics and Gb E

/ FCIP operation across the wide area connection.

5. Activate the FCIP link.

6. Deﬁne LSAN zones in both fabrics.

7. Conﬁgure B-Series 400 M P Router or MP Router b lade por ts for FC -FC routing by assigning the

appropriate operational mode to the FC ports (either E_Port or EX_Por t mode), and the GbE ports

(either VE_Por t or VEX_Port). There is no sing le right answer for this; each installation will have its

own operational requirements and considerations.

8. Connect the local and remote fabrics to the B-Series MP Router(s).

9. Run Continuous Access™ software to conﬁgure local and remote storage and replicate data.

Solution setup overview