Requirements for replacing drives

The drives in your storage array are fragile. Improper drive handling is a leading cause of drive failure.

Follow these rules to avoid damaging the drives in your storage array:

24-drive shelves

Drive numbering in an EF300 or EF600 controller shelf

The following figure shows how the drives are numbered in each shelf (the shelf's front bezel has been removed).



Drive staggering in an EF300 or EF600 controller shelf

When inserting fewer than 24 drives into an EF300 or EF600 controller, you must alternate between the two halves of the controller. Beginning with the far left and then moving to the far right, place the drives in one at a time.

The following figure shows how to stagger the drives between the two halves.



This section describes how to replace a drive in the following controller shelves: