Required hardware components to build astorage image .........96
I/O resources ........................97
Processor and memory allocation .................97
RIO-G interconnect separation ..................98
Chapter 8. Optional feature codes for the DS8000 ...........99
Using parallel access volumes for S/390 and zSeries hosts ........99
Parallel access volumes .................... 100
PAV requirements for the DS8000 ................ 100
Overview of the input/output configuration program for the DS8000 .... 101
Guidelines for defining the logical control unit for the DS8000 ...... 103
Reconfiguring an LCU with larger capacity 3390 volumes ........ 104
Increasing the number of 3390s formatted within an LSS ........ 104
Copy Services......................... 104
Copy Services overview .................... 104
IBM TotalStorage Resiliency Family ................ 105
Disaster recovery using Copy Services .............. 106
Copy Services functions across a2105 and 2107 .......... 107
FlashCopy ..........................110
Reverse FlashCopy relationships ................. 111
FlashCopy to Metro Mirror source volumes .............112
Multiple relationship FlashCopy .................113
Persistent FlashCopy .....................113
Re-synchronizing FlashCopy volume pairs .............114
Creating aRemote FlashCopy operation (Inband FlashCopy on the ESS
2105) ..........................114
Path connections........................116
Remote Mirror and Copy .....................116
Global Copy ........................117
Global Mirror ........................118
Metro Mirror ........................ 121
Consistency groups...................... 122
Failover and failback operations ................. 123
z/OS Copy Services ...................... 124
z/OS Global Mirror ...................... 124
z/OS Metro/Global Mirror.................... 125
Chapter 9. Migrating data to astorage unit ............. 127
How to select adata migration method ............... 127
Considerations for replacing existing storage ............. 128
Reformatting open systems host DDMs ............... 128
Overview of the logical volume management software .......... 129
Copying acomplete logical volume ................ 129
Using mirroring to migrate data ................. 130
Using the migratepv command ................. 131
Using the direct copy method .................. 132
Using backup and restore methods to migrate data ........... 133
Migrating data from an eServer i5 400 or iSeries host system to the DS8000 134
Migrating data from an S/390 or zSeries host system to the DS8000 storage
unit ............................ 134
Data migration from aUNIX-based host system to aDS8000 storage unit 135
Migrating data to aDS8000 storage unit using volume management
methods ......................... 136
Migrating data using the direct copy method ............ 137
Migrating data using backup and restore methods .......... 137
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