IBM 990 - Manual (Page 217)

Chapter 8. Capacity upgrades 205
Figure 8-9 On/Off CoD order example
This On/Off CoD example is ordering an upgrade from four CPs to five CPs plus two zAAPs to
the current server. The maximum number of CPs, ICFs, zAAPs, and IFLs is limited by the
current number of available spare PUs of the installed books on the z990 server. The
upgrade configuration capacity is limited to the double of the current installed capacity, for
each individual processor type (CPs, IFLs, ICFs, and zAAPs). The total number of zAAPs
cannot exceed the total number of CPs plus unassigned CPs on a z990 server.
Activation/Deactivation
When a previously ordered LIC record is retrieved from RETAIN, it is downloaded and
immediately activated. The customer does not have the ability to stage the record at their site.
When the customer has finished using temporary capacity, they must take action to
deactivate the session. This deactivation uses the same facility as CBU undo and is
non-disruptive to the customer operation. Depending on the use of the extra capacity,
customers may be required to perform tasks at the logical partition level in order to remove
the temporary CPs. An example of this would be removal of temporary CPs allocated to a
logical partition.
Termination
A customer will be contractually required to terminate the On/Off CoD right to use feature
whenever there is a transfer in asset ownership. A customer may also choose to terminate the
$.......