Preparing the site . . . . . . . . . . . . . . . . . . . . . . .19

Preparing the rack cabinet . . . . . . . . . . . . . . . . . . . .19

Installing the DS4100 . . . . . . . . . . . . . . . . . . . . . .20

Rack mounting template . . . . . . . . . . . . . . . . . . . .20

Installing the support rails . . . . . . . . . . . . . . . . . . . .22

Removing the CRUs . . . . . . . . . . . . . . . . . . . . . .25

Removing a RAID controller . . . . . . . . . . . . . . . . . .25

Removing a power supply . . . . . . . . . . . . . . . . . . .26

Removing a fan . . . . . . . . . . . . . . . . . . . . . .27

Removing a hard disk drive . . . . . . . . . . . . . . . . . .28

Installing the DS4100 into a rack cabinet . . . . . . . . . . . . . .28

Replacing the DS4100 CRUs . . . . . . . . . . . . . . . . . .29

Replacing a RAID controller . . . . . . . . . . . . . . . . . .30

Replacing a power supply . . . . . . . . . . . . . . . . . . .30

Replacing a fan . . . . . . . . . . . . . . . . . . . . . . .31

Replacing a hard disk drive . . . . . . . . . . . . . . . . . .32

Setting the interface options . . . . . . . . . . . . . . . . . . . .32

Fibre channel loop and ID settings . . . . . . . . . . . . . . . . .33

Server ID (enclosure ID) settings . . . . . . . . . . . . . . . . .33

Storage server speed settings . . . . . . . . . . . . . . . . . .34

Configuring the storage subsystem . . . . . . . . . . . . . . . . .34

Storage subsystem management methods . . . . . . . . . . . . . .34

Host-agent (in-band) management method . . . . . . . . . . . . .34

Direct (out-of-band) management method . . . . . . . . . . . . .35

Fibre channel connections . . . . . . . . . . . . . . . . . . . .36

Fibre channel loop configurations . . . . . . . . . . . . . . . . .36

Redundant host and drive loops . . . . . . . . . . . . . . . .37

Installing the storage subsystem configuration . . . . . . . . . . .42

Chapter 3. Cabling the storage server . . . . . . . . . . . . . . .45

Working with SFPs and fiber-optic cables . . . . . . . . . . . . . . .45

Handling fiber-optic cables . . . . . . . . . . . . . . . . . . .45

Installing SFP modules . . . . . . . . . . . . . . . . . . . . .46

Removing SFP modules . . . . . . . . . . . . . . . . . . . .48

Installing fiber-optic cables . . . . . . . . . . . . . . . . . . .48

Using LC-LC fibre-channel cables . . . . . . . . . . . . . . . . . .49

Connecting an LC-LC cable to an SFP module . . . . . . . . . . . .50

Removing an LC-LC fibre-channel cable . . . . . . . . . . . . . .51

Using LC-SC fibre-channel cable adapters . . . . . . . . . . . . . . .52

Connecting an LC-SC cable adapter to a device . . . . . . . . . . .53

Removing an LC-LC cable from an LC-SC cable adapter . . . . . . . .54

Connecting hosts to the RAID controllers . . . . . . . . . . . . . . .55

Connecting hosts to a DS4100 base storage server . . . . . . . . . .55

Connecting hosts to a DS4100 single-controller storage server . . . . . .56

Connecting secondary interface cables . . . . . . . . . . . . . . . .56

Connecting secondary interface cables to a DS4100 base storage server 57
Connecting secondary interface cables to a DS4100 single-controller storage

server . . . . . . . . . . . . . . . . . . . . . . . . . .57

Connecting expansion units (base storage server only) . . . . . . . . . .57

DS4000 EXP100 loop redundancy (DS4100 base storage server only) . . .59

Power cabling . . . . . . . . . . . . . . . . . . . . . . . . .61

Installing the DS4000 Storage Manager client . . . . . . . . . . . . .62

Chapter 4. Operating the storage server . . . . . . . . . . . . . . .65

Turning the storage server on and off . . . . . . . . . . . . . . . .65

Turning on the storage server . . . . . . . . . . . . . . . . . .66

x IBM TotalStorage DS4100 Storage Server: Installation, User’s, and Maintenance Guide