Controllers .............4-2
Disk Drives .............4-8
Hot Spares .............4-9
subsystems .............4-10
Disk Pools .............4-10
Logical Drives ............4-12
RAID Levels ............4-13
Hosts ...............4-15
Host Groups ............4-15
Host Bus Adapter Host Ports .......4-15
Logical Unit Numbers .........4-16
Configuring a Storage Subsystem ......4-17
Determining What Is on Your Storage
Subsystem .............4-17
Clearing the Configuration .......4-32
Using the Auto Configure Command ....4-32
Using the Create LogicalDrive Command. . . 4-35
Creating Logical Drives with User-Assigned
Disk Drives ............4-35
Creating Logical Drives with
Software-Assigned Disk Drives .....4-36
Creating Logical Drives in an Existing
subsystem ............4-37
Enclosure Loss Protection .......4-38
Configuring a storage subsystem with disk pools 4-38
Modifying Your Configuration .......4-45
Setting the Controller Clocks .......4-45
Setting the Storage Subsystem Password . . . 4-45
Setting the Storage Subsystem Host Type . . . 4-45
Setting the Storage Subsystem Cache ....4-46
Setting the Modification Priority ......4-49
Assigning Global Hot Spares .......4-50
Saving a Configuration to a File ......4-50
Chapter 5. Using the FlashCopy
Premium Feature ..........5-1
How FlashCopy Works ..........5-1
Creating a FlashCopy Logical Drive ......5-2
Creating a FlashCopy Logical Drive with
User-Assigned Disk Drives ........5-3
Creating a FlashCopy Logical Drive with
Software-Assigned Disk Drives ......5-3
Creating a FlashCopy Logical Drive by
Specifying a Number of Disk Drives .....5-4
User-Defined Parameters ........5-5
FlashCopy Logical Drive Names and FlashCopy
Repository Logical Drive Names ......5-6
Changing FlashCopy Logical Drive Settings . . . 5-7
Stopping, Restarting, and Deleting a FlashCopy
Logical Drive .............5-7
Chapter 6. Using the Enhanced
FlashCopy Images Premium Feature . 6-1
About Enhanced FlashCopy Images Premium
Feature ...............6-2
Working With Enhanced FlashCopy Images
Premium Feature ............6-7
Creating an Enhanced FlashCopy Image Group 6-7
Deleting an Enhanced FlashCopy Image Group 6-8
Creating an Enhanced FlashCopy Image . . . 6-8
Canceling a Pending Enhanced FlashCopy
Image ...............6-9
Creating an Enhanced FlashCopy Image
Schedule ..............6-9
Deleting an Enhanced FlashCopy Image Group
(with options) ............6-11
Creating a Consistency Group Enhanced
FlashCopy logical drives ........6-12
Deleting a Consistency Group Enhanced
FlashCopy Image ...........6-14
Creating an Enhanced FlashCopy Image
Logical drive ............6-14
Restarting a Consistency Group Enhanced
FlashCopy Image Logical drive ......6-15
Deleting an Enhanced FlashCopy Image Logical
drive ...............6-16
Changing the Size of a Repository Logical drive 6-16
Starting, Stopping, and Resuming an Enhanced
FlashCopy Image Rollback........6-18
Chapter 7. About Enhanced Global
Mirroring premium feature ......7-1
Creating an Enhanced Global Mirrored Pair . . . 7-5
Changing Enhanced Global Mirroring settings . . 7-9
Suspending and resuming the Enhanced Global
Mirror Group .............7-10
Manually resynchronizing logical drives in an
Enhanced Global Mirror Group .......7-11
Changing Enhanced Global Mirroring roles . . . 7-11
Canceling a pending Enhanced Global Mirror
Group role change ...........7-13
Resolving role conflicts ..........7-13
Removing logical drives from the Enhanced
Global Mirror group ...........7-13
Deleting an Enhanced Global Mirror Group . . . 7-14
Chapter 8. About Enhanced Remote
Mirroring premium feature ......8-1
How Enhanced Remote Mirroring Works ....8-1
Mirror Repository Logical Drives ......8-2
Mirror Relationships ..........8-2
Data Replication ...........8-3
Link Interruptions or Secondary Logical Drive
Errors...............8-4
Resynchronization ...........8-4
Creating a Remote Mirror Pair ........8-5
Performance Considerations .......8-5
Enabling the Enhanced Remote Mirroring
Feature ..............8-6
Activating the Enhanced Remote Mirroring
Feature ..............8-6
Determining Candidates for a Remote-Mirror
Pair ................8-8
Creating a Remote Mirror Pair .......8-8
Changing Enhanced Remote Mirroring Settings . . 8-9
Suspending and Resuming a Mirror Relationship 8-9
Removing a Mirror Relationship .......8-10
Deleting a Primary Logical Drive or a Secondary
Logical Drive .............8-11
Disabling the Enhanced Remote Mirroring Feature 8-11
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