16 Business Copy XP (BC) for the XP10000/XP12000
• Hitachi FlashCopy Mirroring version 2
• Flex Copy XP
• Auto LUN XP
• Snapshot XP
For more information, refer to the following documents:
• For ShadowImage for z/OS, Hitachi FlashCopy Mirroring, and Hitachi FlashCopy Mirroring Version
2, see the Hitachi ShadowImage for z/OS user guide.
• For Flex Copy XP, see ”Calculating the maximum number of Flex Copy XP copy pairs” on page 79.
• For Auto LUN XP, see ”Calculating the number of Auto LUN XP concurrent migration plans” on
page 80.
• For Snapshot XP, see the HP StorageWorks Snapshot XP user guide.
If BC is used in the same disk array as any of these applications, the number of available differential tables
for BC pairs is the number of differential tables in the disk array minus the number of differential tables
used by other applications.
If only BC uses differential tables, the following section describes how to calculate the number of
differential tables required for one BC pair, and the conditions you need to consider when calculating the
number of BC pairs that you can create.
NOTE: You can use RAID Manager’s inqraid command to query the number of differential tables
required when you create BC pairs. You can also use this command to query the number of unused
differential tables in the disk array. For more information about the inqraid command, see the
HP StorageWorks RAID Manager XP user guide.
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