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TABLE OF CONTENTS
VMAX NON-DISRUPTIVE MIGRATION............................................................................................... 1
EXECUTIVE SUMMARY ...................................................................................................................... 5
AUDIENCE ......................................................................................................................................................................... 5
NON-DISRUPTIVE MIGRATION OVERVIEW ...................................................................................... 5
NDM MIGRATION OPERATIONS ........................................................................................................ 7
BENEFITS .......................................................................................................................................................................... 7
MANIPULATION OF DEVICE IDS AND HOST PATHS ..................................................................................................... 7
SUPPORTED DISTANCE BETWEEN THE SOURCE AND TARGET .............................................................................. 8
EFFECTS ON DEVICES AND EXISTING REPLICATION SESSIONS ............................................................................. 8
BOOT FROM SAN SUPPORT ........................................................................................................................................... 9
RECOGNIZING THE NDM RDF GROUP .......................................................................................................................... 9
SETTING UP MULTIPE NDM RELATIONSHIPS .............................................................................................................. 9
HOW NDM HANDLES MASKING GROUPS AND VIEWS .............................................................................................. 10
RULES REGARDING MASKING GROUPS AND VIEWS ............................................................................................... 10
GENERAL CONSIDERATIONS AND LIMITATIONS ....................................................................................................... 11
SESSION LIMITS ............................................................................................................................................................. 11
HARDWARE AND SOFTWARE REQUIREMENTS ......................................................................................................... 11
CONFIGURATION REQUIREMENTS AND PREREQUISITES ...................................................................................... 11
SUPPORT MATRIX .......................................................................................................................................................... 12
PREFORMING NDM OPERATIONS USING SOLUTIONS ENABLER ............................................. 13
EXAMINE THE PRE-MIGRATION ENVIRONMENT ........................................................................................................ 13
SET UP THE ENVIRONMENT ......................................................................................................................................... 15
VALIDATE AND CREATE MIGRATION SESSIONS ....................................................................................................... 16
PERFORM A HOST RESCAN ......................................................................................................................................... 19
CUTOVERREADY AND PASSTHROUGH MODE .......................................................................................................... 19
LIST THE NDM SESSIONS ............................................................................................................................................. 21
EXAMINE THE DEVICE PAIRING AND IDENTITIES FOLLOWING A CREATE ............................................................ 25
CANCEL A MIGRATION .................................................................................................................................................. 28
PERFORM A CUTOVER TO THE TARGET ARRAY ...................................................................................................... 29
EXAMINE THE DEVICE IDENTITIES FOLLOWING A CUTOVER ................................................................................. 34
REVERT TO THE SOURCE ARRAY ............................................................................................................................... 35
COMMIT A MIGRATION .................................................................................................................................................. 37
PERFORM A HOST RESCAN ......................................................................................................................................... 38
COMPARE THE PRE AND POST DEVICE IDENTITIES FOLLOWING A COMMIT ...................................................... 41
USE THE RECOVER COMMAND ................................................................................................................................... 43
REMOVE THE MIGRATION ENVIRONMENT ................................................................................................................. 44
PRERFORMING NDM OPERATIONS USING UNISPHERE ............................................................. 45
EXAMINE THE MULTIPATHING CONFIGURATION ...................................................................................................... 47
SET UP THE ENVIRONMENT ......................................................................................................................................... 47
CREATE MIGRATION SESSIONS .................................................................................................................................. 49
PERFORM A HOST RESCAN ......................................................................................................................................... 53
CUTOVERREADY AND PASSTHROUGH MODE .......................................................................................................... 53
VIEW MIGRATION SESSION DETAILS .......................................................................................................................... 54
EXAMINE THE DEVICE IDENTITIES FOLLOWING A CREATE .................................................................................... 55
CANCEL A MIGRATION .................................................................................................................................................. 57
PERFORM A RESCAN FOLLOWING A CANCEL ........................................................................................................... 59
PERFORM A CUTOVER TO THE TARGET ARRAY ...................................................................................................... 59
EXAMINE THE DEVICE IDENTITIES FOLLOWING A CUTOVER ................................................................................. 64
REVERT TO THE SOURCE ARRAY ............................................................................................................................... 66
PERFORM A RESCAN FOLLOWING A CANCEL REVERT ........................................................................................... 68
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