Fujitsu PRIMEQUEST 2800B3 - IOU Card Slot; DU (Disk Unit); FIGURE 2.22 External View of Iou_10 Gbe; TABLE 2.12 Connection of IOU with du

CHAPTER 2 Hardware Configuration
2.9 DU (Disk unit)
58
CA92344-0534-07
FIGURE 2.22 External view of IOU_10GbE
No. Description
(1) Top view
(2) Front view
(3) Front perspective view
(4)
Right view
IOU (IOU_1GbE/IOU_10GbE) has an LED. For details, see ‘F.1.5 IOU’ of the “PRIMEQUEST 2000 Series
Administration Manual” (CA92344-0537).
2.8.2 IOU card slot
The IOU has to be removed from the cabinet while inserting and removing the card in the PCI Express slot
of the IOU.
2.9 DU (Disk unit)
DU (Disk Unit) is a unit used to mount the HDD/SSD. One or two SAS RAID controller cards can be
mounted in the DU.
In total, there are four 2.5 inch disk slots in the DU.
The DU is connected to the IOU by the PCI Express Gen2 4Lane interface. Connections of the IOU to the
DU are listed in the table below.
TABLE 2.12 Connection of IOU with DU
Connection source Destination
Connection destination HDD
For two HDD per
SAS RAID controller card
For four HDD per
SAS RAID controller card
IOU#0 DU#0-PCI Slot#0 HDD#2, #3 in DU#0 DU#0 HDD#0,#1,#2,#3
IOU#1 DU#0-PCI Slot#1 HDD#0, #1 in DU#0 DU#0 HDD#0,#1,#2,#3
IOU#2 DU#1-PCI Slot#0 HDD#2, #3 in DU#1 DU#1 HDD#0,#1,#2,#3
IOU#3 DU#1-PCI Slot#1 HDD#0, #1 in DU#1 DU#1 HDD#0,#1,#2,#3