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Chapter 18. Global Copy options and configuration 213
18.5 Hardware requirements
Global Copy is an optional licensed function of the IBM System Storage DS6000 series. The
licensed function is the Remote Mirror and Copy (RMC), and is the same that is used to
acquire the Metro Mirror and the Global Mirror licensed functions.
You have to purchase the corresponding licensed function for the primary and secondary
DS6000 systems.
For additional information on the DS6000 licensed function features, see also Appendix C,
“Licensing” on page 525.
All DS6000 series licensed functions are enabled, authorized, managed, activated, and
enforced based upon the physical capacity contained in a 1750 system.
Enablement refers to the purchase of a feature number to technically activate the associated
licensed function. Each licensed function is
enabled for a 1750 system through acquiring the
corresponding feature numbers.
Particularly for Global Copy, the 1750 feature that must be ordered is the Remote Mirror and
Copy (RMC) licensed function, feature number 53xx; see Table 18-2.
Table 18-2 DS6000 Remote Mirror and Copy feature codes
Each licensed function feature number purchased for a 1750 machine enables that function
for the entire 1750 system.
Authorization refers to the purchase of a feature number to establish the extent of IBM
authorization—license size in terms of physical capacity—for use of an associated licensed
function. This is also referred to as the
authorization level.
The extent of IBM authorization for the use of a licensed function on a 1750 system is
established by acquiring 53xx feature number on the 1750 base enclosure. The same 53xx
feature numbers acquired to enable a licensed function also establish the extent of IBM's
authorization.
The 53xx feature number on a 1750 base enclosure establishes the authorization level for the
entire 1750 system. For example, a 1750 system with a Model 522 base enclosure and two
Model EX2 expansion enclosures requires the acquisition of 53xx feature numbers only on
the Model 522.
Note: For a detailed explanation of the features involved and the considerations you must
keep in mind when ordering Global Copy, we recommend that you refer to the IBM System
Storage DS6000 Series (IBM 1750-522) announcement letter.
IBM announcement letters can be found at http://www.ibm.com/products
Feature Code Description
5310 RMC - 1 TB Unit
5311 RMC - 5 TB Unit
5312 RMC - 10 TB Unit
5313 RMC - 25 TB Unit
5314 RMC - 50 TB Unit