HPE 3PAR StoreServ 8000 Service And Upgrade Manual page 60

LFF drive loading and examples
IMPORTANT: Notice that the numbering for the order and direction that drives are installed in the
LFF enclosure do not follow the same number order used to identify drives from the storage system
management software. Drives are installed in vertical columns instead of by sequential numbering.
LFF drives are loaded starting at bay 0, bottom to top in the leftmost column, then bottom to top in the
next column, and so on, leaving no empty slots between drives. Note bay numbering does not follow how
the bays are loaded. The bays are numbered left to right, and then the next row up, left to right, and so
on, from 0 to 23. The first four LFF drives are loaded into bays 0, 4, 8, and 12.
Figure 44: Drives bay numbering, LFF drives, LFF enclosure front view
Figure 45: Loading order, LFF drives, LFF enclosure front view
This example demonstrates an LFF enclosure loaded correctly with these drives: three pairs of NL (six
drives) and one pair of SSD (two drives).
Figure 46: Example of a correct LFF drive allocation in one LFF enclosure
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