4.1.2.1
Using the Switch Front Panel .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
4–4
4.1.2.2
Setting the Ethernet IP Address and Subnet Mask
from the Front Panel . .. . .. . .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
4–4
4.1.2.3
Setting the DS-DSGGB-AA Ethernet IP Address and
Subnet Mask from a PC or Terminal . . .. . .. . . .. . .. . .. . .. .
4–6
4.1.2.4
Logging In to the Switch with a Telnet Connection . .. .
4–7
4.1.2.5
Setting the Switch Name via Telnet Session .. . .. . .. . .. .
4–8
4.2
Installing and Setting Up the SWXHB-07 Hub . . .. . . .. . .. . .. . .. .
4–8
4.2.1
Installing the Hub . . .. . . .. . .. . .. . .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
4–9
4.2.2
Determining the Hub Status .. . .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
4–9
4.3
Setting Up the HSG80 Array Controller for a Fibre Channel
Cluster . . .. . .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
4–10
4.3.1
Setting Up the HSG80 Array Controller for Arbitrated
Loop .. . .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
4–13
4.4
Obtaining the Worldwide Names of HSG80 Controllers . . .. . .. .
4–15
4.5
Installing and Configuring the KGPSA PCI-to-Fibre Channel
Adapter Module . .. . .. . .. . .. . . .. . .. . .. . .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
4–16
4.5.1
Obtaining the Worldwide Names of KGPSA Adapters . . .. .
4–16
4.5.2
Installing the KGPSA PCI-to-Fibre Channel Adapter
Module .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
4–17
4.5.3
Configuring the KGPSA-CA Adapter for Loop Mode . .. . .. .
4–17
4.5.4
Configuring the KGPSA Adapter . .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
4–19
4.6
Configuring the emx Driver for Fibre Channel Operation . . .. .
4–19
4.6.1
Initial Worldwide Name-to-Target ID Mapping . .. . .. . .. . .. .
4–20
4.6.2
Synchronizing the Initial Assignment of Target IDs in a
Cluster .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
4–20
4.6.3
Remapping Target IDs After Adding or Replacing a Fibre
Channel Device .. . .. . .. . . .. . .. . .. . .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
4–22
4.7
Verifying the Fibre Channel Device Configuration . . .. . .. . .. . .. .
4–25
4.8
Determining the Device Special File Name for a Disk . .. . .. . .. .
4–25
5
Troubleshooting and Component Replacement Guidelines
5.1
Failure Behavior of Fibre Channel Components . .. . . .. . .. . .. . .. .
5–1
5.1.1
Fibre Channel (KGPSA) Adapter Failures .. . .. . . .. . .. . .. . .. .
5–1
5.1.2
Fibre Channel Switch Failures .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
5–2
5.1.3
Fibre Channel Hub Failures .. . .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
5–3
5.1.4
HSG80 RAID Array Controller Failures . . .. . .. . . .. . .. . .. . .. .
5–3
5.1.5
Disk Failures . . .. . .. . .. . . .. . .. . .. . .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
5–4
5.2
Requirements and Limitations for Adding Storage . .. . .. . .. . .. .
5–4
5.3
Adding and Replacing Fibre Channel Devices .. . .. . . .. . .. . .. . .. .
5–5
5.3.1
Adding Disks to an Existing Configuration . . .. . . .. . .. . .. . .. .
5–5
5.3.2
Adding or Moving Storage Units . .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
5–6
iv Contents
