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20 Auto LUN XP for the XP12000/XP10000
• X: The number of cylinders in the volume to be migrated. If the volume is a CVS volume, use the number
of cylinders in the custom volume instead of the default value for the emulation type.
• Y: The number of control cylinders (See Table 5).
• Z: The number of slots that can be managed by a differential table: .
NOTE: Round the result of the calculation up to the nearest whole number.
For example, if a volume has the emulation type 3390-3, and 3339 cylinders, calculate the total number of
differential tables with the following equation: .
When you round 0.81836 up to the nearest whole number, it becomes 1. Therefore, the total number of
differential tables for one migration plan is 1 when emulation type is 3390-3.
The following table shows the number of the control cylinders according to the emulation type.
Table 5 Control cylinders by emulation type
Emulation type Number of control cylinders
3380-3 7
3380-3A 7
3380-3B 7
3380-3C 7
3380-F 22
3380-K 7
3380-KA 7
3380-KB 7
3380-KC 7
3390-3 6
3390-3A 6
3390-3B 6
3390-3C 6
3390-3R 6
3390-9 25
3390-9A 25
3390-9B 25
3390-9C 25
3390-L 23
3390-LA 23
3390-LB 23
3390-M 53
3390-MA 53
3390-MB 53
3390-MC 53
3390-LC 23
NF80-F 22
1916 32×
3339 6+()15 1916 32×()÷× 0.81836=