NonStop S-Series Hardware Installation and FastPath Guide (G06.29+)

Contents

HP NonStop S-Series Hardware Installation and FastPath Guide—541880-002

B. ServerNet Cabling (continued)

About This Information B-25

Tetra 16 Systems With Four Processor Enclosures B-26

Tetra 16 Systems With Six Processor Enclosures B-28

C. Power-On Cabling

D. Troubleshooting

Reference D-2

Power States D-2

Status LEDs D-4

Powering On the System D-5

System Does Not Appear to Be Powered On D-6

Power Is Applied to Enclosure But Fans Are Not Turning D-6

Any Green LED Is Not Lit D-8

Any Amber LED Remains Lit After POST D-9

Yellow ServerNet Port LEDs on SEBs or MSEBs Are Not Lit D-9

Group Service LED on System Enclosure Is Flashing D-9

Correcting Topology Attribute D-9

Starting the System D-10

Startup Event Stream and Startup TACL Windows Do Not Appear D-10

System Load Fails D-11

CIIN File Is Not Invoked During System Startup D-12

Reload Fails D-13

CPU Memory Test Fails D-14

System Load Path Test Fails D-14

Multifunction I/O Board (MFIOB) Test Fails

D-15

Dumping Processor Memory

D-16

Dumping Processor Memory to Disk Online D-16

Dumping Processor Memory to Tape Offline D-20

Expand-Over-IP Connections D-22

Recovery Actions for the CONNECTING State D-24

Recovery Actions for the WAIT State D-24

Backing Out a Software Revision D-26

Prerequisites D-26

1. Start DSM/SCM D-26

2. Start and Log On to Target Interface D-27

3. Initiate Backout Activity D-27

4. Monitor Backout Process D-28