HP StorageWorks SAN Virtualization Services Platform Best Practices Guide (5697-0935, May 2011)

Contents

1 Sizing the SVSP configuration......................................................................7

Sizing the domain....................................................................................................................7

Determining current performance................................................................................................7

SAN and storage considerations................................................................................................8

DPM performance considerations................................................................................................8

Mapping DPM table entries.......................................................................................................8

Adding DPM quads..................................................................................................................8

Adding DPM groups.................................................................................................................9

Adding SVSP domains..............................................................................................................9

2 Fabric topology........................................................................................10

Fibre Channel congestion........................................................................................................10

SAN switches.........................................................................................................................11

Single switch fabric topology....................................................................................................11

Core-edge switch fabric topology..............................................................................................12

Complex fabric topologies.......................................................................................................13

Trunking................................................................................................................................13

Zoning .................................................................................................................................13

SVSP path limits.....................................................................................................................16

DPM paths to back-end LUs.................................................................................................16

DPM connections to front-end virtual disks.............................................................................16

Array front-end ports..........................................................................................................16

3 Array configuration...................................................................................18

Back-end LU configuration........................................................................................................18

Configuring many LUNs..........................................................................................................19

EMC Symmetrix DMX arrays....................................................................................................20

EMC CLARiiON arrays............................................................................................................20

4 Setup virtual disk......................................................................................21

Protecting the setup virtual disk.................................................................................................21

Creating additional synchronous mirrors of the setup virtual disks..................................................21

Moving a setup virtual disk......................................................................................................22

5 Storage pools..........................................................................................23

Types of storage pools.............................................................................................................23

Building back-end LUs.............................................................................................................23

Selecting back-end LUs for a storage pool..................................................................................24

Pool size considerations...........................................................................................................24

FATA drives............................................................................................................................24

Capacity pools.......................................................................................................................25

Performance pools..................................................................................................................25

Split I/O...............................................................................................................................26

6 Virtual disks.............................................................................................27

Virtual disk characteristics........................................................................................................27

Name..............................................................................................................................27

Contents 3