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12-1
CHAPTER
12
Hard Disk Drive (HDD) Replacement
This chapter explains the replacement procedures for the hard disk drive (HDD). It covers
the following:
■ Section 12.1, “Overview of the HDD” on page 12-1
■ Section 12.2, “Active Replacement” on page 12-4
■ Section 12.3, “Cold Replacement” on page 12-8
There are two methods for replacing a HDD: active replacement and cold replacement. For
the definition of each type of method, see Section 4.1, “Types of Replacement Procedures”
on page 4-2.
12.1 Overview of the HDD
This section provides an overview of the HDD and shows its mounting locations.
HDDs are mounted in the four HDD slots in an IOU to expand the storage capacity of the
system. In each HDD slot, a 2.5-inch SAS interface HDD can be mounted. A filler panel may
be mounted in an HDD slot. Active maintenance can be performed on an HDD.
Note – The hard disk drive will have a redundant configuration by setting the mirroring.
Note – If a hard disk drive is a nonmirrored boot device, it must be replaced according to
the cold replacement procedure.