Cisco Cisco C880 M4 Server インストールガイド

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6 Adding a Disk Unit (DU)

This chapter describes the procedure for adding a disk unit (DU).

In this chapter, DU represents a disk unit.

IOU represents both IOU_1GbE and IOU_10GbE.

This procedure include the procedure for adding a SAS array controller and a flash backup unit into

a DU.

See Chapter 7. Adding an IOU

for the procedure for adding an IOU set.

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6.1 Conditions for Adding Components

Table 6.1 lists connections between IOUs and DUs.

DU#-Slot# shows the mounting location of SAS array controller cards inside of DU.

However, when adding only 1 SAS array controller card inside of a DU, connect to HDD#0 to #3.

In addition, a DU installed into a partition which IOU installed.

Table 6.1

IOU

mounting

location

maunting

location

Connected HDD mounting location

SAS array contoroller catds

2 cards

1 card

IOU#0

DU#0-Slot#0

DU#0-HDD#2,#3

DU#0-HDD#0,#1,#2,#3

IOU#1

DU#0-Slot#1

DU#0-HDD#0,#1

IOU#2

DU#1-Slot#0

DU#1-HDD#2,#3

DU#1-HDD#0,#1,#2,#3

IOU#3

DU#1-Slot#1

DU#1-HDD#0,#1

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6.1.1 Number of mounted DUs

The maximum number of disk units for all main unit model type is 2 units.

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6.1.2 Conditions concerning combined use of DUs

- There are no conditions concerning the combined use of DUs

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