HP Smart Array 6i Controller and 128MB BBWC - Manual (Page 34)

34 HP Smart Array 6i Controller User Guide
The expansion process is illustrated in the following figure, in which the original
array (containing data) is shown with a dashed border and the newly added drives
(containing no data) are shown unshaded. The array controller adds the new
drives to the array and redistributes the original logical drives over the enlarged
array one logical drive at a time. This process liberates some storage capacity on
each of the physical drives in the array. During this procedure, the logical drives
each keep the same fault-tolerance method in the enlarged array that they had in
the smaller array.
When the expansion process has finished, you can use the liberated storage
capacity on the enlarged array to create new logical drives. Alternatively, you
can enlarge one of the original logical drives. This latter process is called logical
drive capacity extension and is also carried out using ACU.
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