HP Storevirtual 4000 - Default Chapter; Table of Contents

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1 Designing a Multi-Site SAN.........................................................................5

Designing the network for the Multi-Site SAN...............................................................................5

Best practices for implementing the Multi-Site SAN network.......................................................5

Common Multi-Site SAN network designs................................................................................6

Sample recommended network configurations for Multi-Site SANs..............................................7

Using multiple subnets .........................................................................................................9

Connecting volumes to multiple subnets in a Multi-Site SAN using the Microsoft iSCSI

initiator........................................................................................................................10

Using multiple cluster VIPs when connecting to a Multi-Site SAN..........................................10

Connecting application servers with single or multiple NICs to a Multi-Site SAN ...................10

Using MPIO with multiple subnets....................................................................................12

Configuring sites and managers to achieve optimal high availability and redundancy.....................12

Best practice.....................................................................................................................13

Sample configurations........................................................................................................13

Best practices for configuring quorum and managers in a Multi-Site SAN environment.....................15

Configuring data replication for optimal availability and redundancy............................................16

Using Network RAID-10+2..................................................................................................17

Setting up application clusters in a Multi-Site SAN environment.....................................................17

Using the Primary Site designation in two-site configurations........................................................17

Failure modes and recovery steps.........................................................................................17

Alternative setups....................................................................................................................18

2 Implementing a Multi-Site SAN...................................................................20

Before you begin....................................................................................................................20

Preparing to install a new Multi-Site SAN..............................................................................20

Preparing to convert an existing SAN to a Multi-Site SAN.......................................................20

Installing the Multi-Site SAN.....................................................................................................20

Creating the management group.........................................................................................21

Creating Multi-Site clusters and volumes................................................................................21

Using the Multi-Site cluster wizard...................................................................................21

Creating sites...........................................................................................................22

Viewing the Multi-Site cluster information..........................................................................22

Converting an existing SAN to a Multi-Site SAN.........................................................................23

Prerequisites......................................................................................................................23

Using the Multi-Site cluster wizard...................................................................................23

Configuring managers............................................................................................................24

Overview..........................................................................................................................24

Configuring regular managers.............................................................................................24

Fault tolerant manager configurations..............................................................................24

Installing and configuring a Failover Manager.......................................................................24

Best practice ................................................................................................................25

Adding the Failover Manager to the management group and site...................................25

Configuring sites....................................................................................................................25

Viewing sites in the CMC....................................................................................................26

Sites map view.............................................................................................................26

Designating a primary site..................................................................................................27

Adding a site....................................................................................................................27

Editing a site.....................................................................................................................27

To edit a site................................................................................................................27

Deleting a site...................................................................................................................27

Adding storage systems to a Multi-Site cluster.............................................................................28

Adding additional capacity to existing sites...........................................................................28

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