HP StorageWorks Continuous Access XP user guide for the XP10000/XP12000 (December 2005)

Continuous Access XP user guide for the XP10000/XP12000 7
operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
5 Continuous Access XP Asynchronous pair status descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6 Continuous Access XP split types (PSUS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
7 Consistency status descriptions for split/suspended Continuous Access XP Async S-VOLs . . . . . . . . . . . 28
8 Continuous Access XP suspend types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
9 Continuous Access XP Asynchronous suspension conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
10 Host pair status reporting for Continuous Access XP, BC, and Continuous Access XP/BC shared volumes41
11 Data currency of a shared Continuous Access XP/BC volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
12 Access attribute and availability as a Continuous Access XP pair volume . . . . . . . . . . . . . . . . . . . . . . 43
13 VMA setting and availability of Paircreate operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
14 Pair status and availability for LUN Security XP Extension operations . . . . . . . . . . . . . . . . . . . . . . . . . 45
15 Variable access attribute (pair status of Continuous Access XP P-VOL is PAIR or COPY) . . . . . . . . . . . . 45
16 Continuous Access XP functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
17 Volume icons for Continuous Access XP operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
18 Status icons for Continuous Access XP operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
19 Snapshot functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
20 Logical path status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
21 Initial copy pace for calculating initial copy response time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
22 Example settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
23 Remote copy I/O statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
24 Disk array performance conditions and recommendations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
25 Fence-level settings on Continuous Access XP Sync P-VOLs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
26 Determining Continuous Access XP Synchronous S-VOL currency based on its pair status and P-VOL
fence-level setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
27 Determining Continuous Access XP Async S-VOL consistency based on its pair status and
consistency status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110