Appendix B Components B-11
B.5 Hard Disk Drive
The hard disk drive (HDD) is mounted on an IOU. Up to four HDDs can be mounted on an
IOU.
FIGURE B-5 shows the HDD.
FIGURE B-5 Hard Disk Drive (HDD)
The HDD has the following characteristics.
■ Active replacement of a failed HDD during system operation is possible.
■ Active installation of HDDs during system operation is possible.
■ It allows mounting of a 2.5 inch HDD with an SAS interface.
■ Depending on the HDDs used, the label format of component numbers and serial numbers
differs.