HP StorageWorks P9000 Cluster Extension Software Administrator Guide (TB534-96009, February 2011)

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Contents

1 P9000 Cluster Extension features..................................................................8

Integration into cluster software...................................................................................................8

Enhanced disaster tolerance......................................................................................................8

Automated monitoring and redirecting of Continuous Access pairs..................................................8

Rolling disaster protection..........................................................................................................8

Command-line interface (CLI).....................................................................................................9

Fast Failback using Continuous Access........................................................................................9

P9000 Cluster Extension configurations.......................................................................................9

One-to-one configurations.....................................................................................................9

Consolidated-site configuration............................................................................................10

Supported Continuous Access configurations and fence levels..................................................10

P9000 Cluster Extension server configurations.......................................................................11

Planning for P9000 Cluster Extension........................................................................................11

Before configuring P9000 Cluster Extension resources.............................................................11

Cluster setup considerations................................................................................................11

MNS quorum clusters (MSCS).........................................................................................11

SLE HA cluster setup considerations.................................................................................12

Quorum..................................................................................................................12

STONITH................................................................................................................12

Networking in an SLE HA cluster ...............................................................................12

Resource constraints .................................................................................................12

Resource operation attribute.......................................................................................13

P9000 Cluster Extension resource dependency ............................................................13

Failover order .........................................................................................................13

Failback option .......................................................................................................13

Migration-threshold...................................................................................................13

Disk monitoring .......................................................................................................14

RHCS cluster setup considerations...................................................................................14

Quorum..................................................................................................................14

Fencing ..................................................................................................................14

Qdisk configuration..................................................................................................14

Failover domains......................................................................................................14

Failback policy.........................................................................................................15

Recovery policy........................................................................................................15

Service hierarchical structure and resource dependency.................................................15

Disk monitoring........................................................................................................15

Setting up RAID Manager...................................................................................................16

Creating RAID Manager command devices......................................................................16

Configuring RAID Manager command devices..................................................................16

In-band and out-of-band communication......................................................................16

Command device authentication.................................................................................16

Creating RAID Manager instances..................................................................................16

Creating RAID Manager device/copy groups...................................................................17

Network considerations.................................................................................................17

Starting and stopping the RAID Manager instances...........................................................17

Test takeover function.....................................................................................................18

2 Configuring P9000 Cluster Extension for Windows.......................................19

Integrating P9000 Cluster Extension with MSCS.........................................................................19

Configuring P9000 Cluster Extension........................................................................................19

Contents 3