NEC S2900 User Manual page 79

(7) Connection of host unit (for online addition)
Connect the host unit to the added controller.
(8) Installing into the other controller
Install the cache memory into the other controller in the procedure described in 'Steps (2) through (7)'
above.
(9) Updating the Option label
On the disk array unit, a label indicating the options available for installation is placed to allow any
installed options to be known by an external view.
If additional cache memory is added, write a round mark at the corresponding field on the label to
indicate the addition as shown in the figure below.
EXTENSION△UNIT
NF2900-SP02(E) NF2900-SC01(E) ○
NF2900-SC02(E)
NF2900-SC03(E)
Write round mark as shown in the figure.
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