IBM DS8900F, Introduction And Planning Manual

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Table 39. Copy Services license feature codes
Feature Code Feature code for licensed function indicator
8250 CS - inactive
8251 CS - 10 TB (up to 100 TB capacity)
8252 CS - 15 TB (from 100.1 TB to 250 TB capacity)
8253 CS - 25 TB (from 250.1 TB to 500 TB capacity)
8254 CS - 75 TB (from 500.1 to 1250 TB capacity)
8255 CS - 175 TB (from 1250.1 TB to 3000 TB capacity)
8256 CS - 300 TB (from 3000.1 TB to 6000 TB capacity)
8260 CS - 500 TB (from 6000.1 TB to 10,000 TB capacity)
Copy Services license rules
The following ordering rules apply when you order the Copy Services license:
• The Copy Services license should be ordered based on the total usable capacity of all volumes involved
in one or more Copy Services relationships.
• The licensed authorization must be equal to or less that the total usable capacity allocated to the
volumes that participate in Copy Services operations.
• You must purchase features for both the source (primary) and target (secondary) storage system.
Remote mirror and copy functions
The Copy Services license establishes the extent of IBM authorization for the use of the remote mirror
and copy functions on your storage system.
The following functions are included:
• Metro Mirror
• Global Mirror
• Global Copy
• Metro/Global Mirror
• Multiple Target PPRC
FlashCopy function (point-in-time copy)
FlashCopy creates a copy of a source volume on the target volume. This copy is called a point-in-time
copy.
When you initiate a FlashCopy operation, a FlashCopy relationship is created between a source volume
and target volume. A FlashCopy relationship is a "mapping" of the FlashCopy source volume and a
FlashCopy target volume. This mapping allows a point-in-time copy of that source volume to be copied to
the associated target volume. The FlashCopy relationship exists between this volume pair from the time
that you initiate a FlashCopy operation until the storage unit copies all data from the source volume to the
target volume or you delete the FlashCopy relationship, if it is a persistent FlashCopy.
Safeguarded Copy
The Safeguarded Copy feature, available with the Copy Services license, creates backups of data that you
can restore to the source volume or a different volume.
The Safeguarded Copy feature creates safeguarded backups that are not accessible by the host system
and protects these backups from corruption that can occur in the production environment. You can define
a Safeguarded Copy schedule to create multiple backups on a regular basis, such as hourly or daily. You
76 IBM DS8900F: DS8900F Introduction and Planning Guide