Adding A Disk Unit (Du); Conditions For Adding Components; Number Of Mounted Dus; Conditions Concerning Combined Use Of Dus - Cisco C880 M4 Service Manual

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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
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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.
IOU
mounting
location
IOU#0
IOU#1
IOU#2
IOU#3
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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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Table 6.1
DU
maunting
location
DU#0-Slot#0
DU#0-Slot#1
DU#1-Slot#0
DU#1-Slot#1
for the procedure for adding an IOU set.
Connected HDD mounting location
SAS array contoroller catds
2 cards
DU#0-HDD#2,#3
DU#0-HDD#0,#1
DU#1-HDD#2,#3
DU#1-HDD#0,#1
33
1 card
DU#0-HDD#0,#1,#2,#3
DU#1-HDD#0,#1,#2,#3
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