Chapter 3 creating storagesets – HP Array Controller HSG V8.7 Software User Manual
Page 4

iv
Connecting a Dual-Redundant Configuration to the Host . . . . . . . . . . . . . . 2–16
Chapter 3 Creating Storagesets
Using Stripesets to Increase I/O Performance . . . . . . . . . . . . . . . . . . . . . . . . 3–8
Using Mirrorsets to Ensure Availability. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–12
Using RAIDsets to Increase Performance and Availability . . . . . . . . . . . . . 3–15
Using Striped Mirrorsets for Highest Performance and Availability . . . . . . 3–17
Backing Up Your Subsystem Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–23
Saving Subsystem Configuration Information to a Single Disk . . . . . . . . . 3–23
Saving Subsystem Configuration Information to Multiple Disks . . . . . . . . 3–23
Saving Subsystem Configuration Information to a Storageset . . . . . . . . . . 3–24
Controller and Port Worldwide Names (Node IDs) . . . . . . . . . . . . . . . . . . . . . . 3–26
Restoring Worldwide Names (Node IDs) . . . . . . . . . . . . . . . . . . . . . . . . . . 3–26
Unit World Wide Names (LUN IDs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–27
Assigning Unit Numbers for Host Access to Storagesets . . . . . . . . . . . . . . . . . . 3–28
Assigning Unit Offsets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–29
Device PTL Addressing Convention within the Controller . . . . . . . . . . . . . 3–33
Guidelines for Partitioning Storagesets and Disk Drives. . . . . . . . . . . . . . . 3–38
Choosing Switches for Storagesets and Devices. . . . . . . . . . . . . . . . . . . . . . . . . 3–39
RAIDset Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–40