HP XP Racks User Manual
Page 69
Prerequisites for the Compatible FlashCopy linkage configuration
The following describes the prerequisites for linking Compatible FlashCopy.
Storage system conditions
XP24000/XP20000, P9500, and XP7 are used.
Compatible FlashCopy conditions
•
Compatible FlashCopy Version 2 is used with XP24000/XP20000. Note that only Compatible
FlashCopy Version 2 is available for XP7 and XP P9500.
•
The following table lists the available Compatible FlashCopy functions.
Table 12 Available Compatible FlashCopy functions in order to link with Compatible FlashCopy
When the Preserve Mirror function is
used
When the Preserve Mirror function is not
used
Compatible FlashCopy
function
Y
Y
COPY mode
Y
N
NOCOPY mode
Y
N
NOCOPYTOCOPY mode
Y
N
Incremental FlashCopy
Y
N
Consistency Group
Legend: Y: Can be used; N: Cannot be used
•
To create a relationship with Compatible FlashCopy, the following options must be specified.
Table 13 Compatible FlashCopy command options
Necessary option
Command
When the Preserve Mirror function is
used
When the Preserve Mirror function
is not used
FCTOPPRCPRIMARY
(PRESMIRNONE| PRESMIRPREF|
PRESMIRREQ)
FCTOPPRCPRIMARY
DFSMSdss COPY command
TGTPPRIM(YES)
TSO/E FCESTABL command
◦
TGTPPRIM(YES)
◦
PRESERVEMIRROR
Business Continuity Manager conditions
•
describes the conditions for copy pairs (the copy type, differential-data
management unit, and copy pair status when linked with Compatible FlashCopy) that can be
linked with Compatible FlashCopy.
Table 14 Copy pair conditions for Compatible FlashCopy linkage
Copy pair status when linked with Compatible FlashCopy
Differential-data
management unit
1
Copy type
Suspend status
CYL
Continuous
Access
Either of the following:
TRK
Synchronous
Z
◦
DUPLEX
status
2, 3, 4
◦
Suspend status
Replication products and data center configurations
69