HP XP Continuous Access Software - Manual (Page 4)

Switching Continuous Access XP's master journal group . . . . . . . . . . . . . . . . . . . 36
Continuous Access XP Journal data volume pair status . . . . . . . . . . . . . . . . . . . . . . 38
Continuous Access XP Journal split types (PSUS) . . . . . . . . . . . . . . . . . . . . . . 42
Continuous Access XP Journal suspend types . . . . . . . . . . . . . . . . . . . . . . . . 44
Continuous Access XP Journal suspension conditions . . . . . . . . . . . . . . . . . . . . 44
3 Continuous Access XP Journal operations requirements and restrictions . 47
System requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Requirements and Restrictions for Continuous Access XP Journal . . . . . . . . . . . . . . . . . . 48
One-to-one volume copy operations . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Logical unit (LU) types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Maximum number of pairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Journal groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Accessing Continuous Access XP Journal primary and secondary data volumes . . . . . . . . . 53
Cache and nonvolatile storage (NVS) . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Duplicate volumes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Port configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Installing hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Remote copy connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Enabling Continuous Access XP Journal options . . . . . . . . . . . . . . . . . . . . . . . . 60
Planning for journal volumes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Planning process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Data transfer speed required for journal volumes . . . . . . . . . . . . . . . . . . . . 61
RAID group and journal group configurations . . . . . . . . . . . . . . . . . . . . . 61
Arranging journal volumes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Journal volume capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Journal volumes in restore journal groups . . . . . . . . . . . . . . . . . . . . . . . 63
Factors that determine the data transfer speed between the primary and secondary arrays . . . . 63
Bandwidth of data transfer paths . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Journal transfer speed of DKCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Configuring primary and secondary arrays for Continuous Access XP Journal operations . . . . . . . 64
Combining Continuous Access XP Journal with other data management functions . . . . . . . . . . 65
Combining Continuous Access XP Journal with LUSE . . . . . . . . . . . . . . . . . . . . 68
Combining Continuous Access XP Journal with Virtual LUN . . . . . . . . . . . . . . . . . . 68
Combining Continuous Access XP Journal with Cache LUN XP . . . . . . . . . . . . . . . . 68
Combining Continuous Access XP Journal with LUN Manager . . . . . . . . . . . . . . . . 68
Combining Continuous Access XP Journal and Performance Control XP . . . . . . . . . . . . . 68
Combining Continuous Access XP Journal and Business Copy XP . . . . . . . . . . . . . . . 69
Combining Continuous Access XP Journal with Continuous Access XP (3DC cascading configuration) 74
Basic behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Hardware configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Setup procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Disaster recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Combining CA XP Journal with CA XP Synchronous (3DC multi-target configuration) . . . . . . . 77
Hardware configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Setup procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Requirements for creating Continuous Access XP Journal pairs for delta resync operations . . . 80
Requirements for performing delta resync operations . . . . . . . . . . . . . . . . . . 80
Recovering from primary site failures (prior to 50-08-xx firmware) . . . . . . . . . . . . . 81
Recov. from prim. site fail. via delta resync (50-08-xx or greater FW) (prior to 50-08-xx FW) . 83
Changing back to a 3DC multi-target configurations after recovering from primary site failures 85
Trans. business tasks from CA XP sec. sites to pri. sites (in 3DC casc. configs.) . . . . . . . 86
Transfer. business tasks from CA XP sec. sites to prim. sites (in 3DC multi-target configs.) . . . 87
Trans. bus. tsks – DC1 (W/O a jur. pr.) to DC1 W/ jur. pr. (del. res. op. in 3DC multi-tar. conf) 88
Recovering from primary site and Continuous Access XP Synchronous secondary site failures . 92
Transferring business tasks from Continuous Access XP Journal secondary sites to primary sites 93
Combining Continuous Access XP Journal and LUN Security XP Extension . . . . . . . . . . . 94
Copying access attributes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
LUN Security XP Extension license capacity . . . . . . . . . . . . . . . . . . . . . . 97
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