Contents
Figures . . . . . . . . . . . . . ..
Tables . . . . . . . . . . . . . ..
Introduction . . . . . . . . . . . ..
Supported IBM System Storage DCS Series with
Gen2 controllers .
Notices and statements in this document .
Chapter 1. Prerequisites to adding
capacity and hard disk drive migration . 1
Preparing the storage subsystem.
Preparing to export and import drives .
Determining the supported number of drives and
drive loop pairs .
Verifying controller, NVSRAM, and ESM firmware
compatibility .
Upgrading ESM and controller firmware .
Verifying hard disk drive model compatibility .
Viewing the product ID and model of a hard disk
drive .
Bringing storage subsystems and drive loops into
optimal state .
Intermixing storage enclosures .
Chapter 2. Adding or migrating hard
disk drives . . . . . . . . . . . ..
Handling static-sensitive devices .
Step 1: Preliminary activities.
Step 2: Verifying drive migration enable settings
Step 3: Placing drives offline.
Migrating arrays within the same storage subsystem 21
Chapter 3. Adding or migrating storage
enclosures . . . . . . . . . . . ..
Step 1: Preliminary activities.
Adding new storage enclosures with new hard
disk drives
Migrating storage enclosures with hard disk
drives that have defined logical drive
configurations
Step 2: Preparing and backing up the drives .
Step 3: Shutting down and moving the storage
enclosures .
Step 6: Cabling, turning on, and verifying storage
enclosure operation.
Connecting storage enclosures at the end
(bottom) of a drive loop .
Returning the drive/loop channel to optimal
state .
Storage subsystem SAS drive channel/loop
schemes for enclosures in a DCS3700
configuration .
Step 7: Inserting drives and cabling additional
storage enclosures .
Step 8: Inserting hard disk drives and placing
logical drives online
Chapter 4. Upgrading a storage
subsystem controller
Host attachment and premium feature
entitlements .
Alternative procedure to upgrade a storage
subsystem controller enclosure .
Configuration behavior after an upgrade and
storage subsystem replacement .
Storage subsystem behavior when turning on the
power with no drives attached .
Redeploying the original storage subsystem
Configuration behavior in a redeployed storage
subsystem .
Appendix. Getting information, help,
and service . . . . . . . . . . . ..
Finding Storage Manager software, controller
firmware, and readme files .
Getting help and information from the World Wide
Web .
© Copyright IBM Corp. 2008, 2015
iii
Summary of Contents for System Storage DCS Series
Page 89: ......