NonStop NS-Series Operations Guide (H06.12+)

Recovery Operations for a Down Disk Due to a Fabric Failure................................................95
Recovery Operations for a Down Path Between Processors......................................................95
Recovery Operations for a Down Processor .............................................................................95
Recovery Operations for a File-System Error............................................................................95
Related Reading....................................................................................................................................95
8 I/O Adapters and Modules: Monitoring and Recovery..........................................97
When to Use This Section.....................................................................................................................97
I/O Adapters and Modules...................................................................................................................97
Fibre Channel ServerNet Adapter (FCSA)......................................................................................97
Gigabit Ethernet 4-Port Adapter (G4SA).........................................................................................98
4-Port ServerNet Extender (4PSE)...................................................................................................98
Monitoring I/O Adapters and Modules................................................................................................99
Monitoring the FCSAs.....................................................................................................................99
Monitoring the G4SAs...................................................................................................................100
Monitoring the 4PSEs....................................................................................................................101
Recovery Operations for I/O Adapters and Modules.........................................................................101
Related Reading..................................................................................................................................101
9 Processors and Components: Monitoring and Recovery......................................103
When to Use This Section....................................................................................................................103
Overview of the NonStop Blade Complex..........................................................................................103
Monitoring and Maintaining Processors............................................................................................106
Monitoring Processors Automatically Using TFDS......................................................................106
Monitoring Processor Status Using the OSM Low-Level Link.....................................................106
Monitoring Processor Status Using the OSM Service Connection................................................107
Monitoring Processor Performance Using ViewSys......................................................................108
Identifying Processor Problems..........................................................................................................109
Processor or System Hangs...........................................................................................................109
Processor Halts..............................................................................................................................109
OSM Alarms and Attribute Values................................................................................................110
Recovery Operations for Processors...................................................................................................110
Recovery Operations for a Processor Halt.....................................................................................110
Halting One or More Processors...................................................................................................111
Reloading a Single Processor on a Running Server.......................................................................111
Using TACL RELOAD to Perform Reload...............................................................................112
Using the OSM Service Connection to Perform Reload...........................................................114
Recovery Operations for a System Hang.......................................................................................115
Enabling/Disabling Processor and System Freeze........................................................................115
Freezing the System and Freeze-Enabled Processors....................................................................115
Dumping a Processor to Disk........................................................................................................116
Before You Begin......................................................................................................................117
Using RCVDUMP to Dump a Processor to Disk.....................................................................117
Blade Element Reintegration....................................................................................................118
Troubleshooting and Recovery Operations for Disk Dumps...................................................118
Backing Up a Processor Dump to Tape.........................................................................................118
Replacing Processor Memory........................................................................................................118
Replacing the Processor Board and Processor Entity....................................................................118
Submitting Information to Your Service Provider.........................................................................119
Submitting Tapes of Processor Dumps....................................................................................119
Submitting Tapes of Configuration and Operations Files.......................................................119
Additional Information Required by Your Service Provider ..................................................119
Related Reading..................................................................................................................................120
6 Table of Contents