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

When to Use This Section....................................................................................................................145
Monitoring TMF..................................................................................................................................145
Monitoring the Status of TMF.......................................................................................................145
Monitoring Data Volumes.............................................................................................................146
TMF States.....................................................................................................................................147
Monitoring the Status of Pathway......................................................................................................147
PATHMON States..........................................................................................................................148
Related Reading..................................................................................................................................149
14 Power Failures: Preparation and Recovery............................................................151
When to Use This Section....................................................................................................................151
System Response to Power Failures ...................................................................................................151
NonStop NS-Series Cabinets (Modular Cabinets) ........................................................................151
NonStop S-Series I/O Enclosures...................................................................................................151
External Devices ............................................................................................................................152
ESS Cabinets..................................................................................................................................152
Air Conditioning............................................................................................................................152
Preparing for Power Failure................................................................................................................152
Set Ride-Through Time..................................................................................................................152
Configure OSM Power Fail Support..............................................................................................152
Monitor Power Supplies................................................................................................................153
Monitor Batteries...........................................................................................................................153
Maintain Batteries..........................................................................................................................153
Power Failure Recovery......................................................................................................................153
Procedure to Recover From a Power Failure.................................................................................153
Setting System Time......................................................................................................................153
Related Reading..................................................................................................................................154
15 Starting and Stopping the System .........................................................................155
When to Use This Section....................................................................................................................155
Powering On a System .......................................................................................................................156
Powering On the System From a Low Power State.......................................................................156
Powering On the System From a No Power State.........................................................................156
Starting a System.................................................................................................................................158
Loading the System.......................................................................................................................158
Alerts........................................................................................................................................158
Normal System Load................................................................................................................158
System Load to a Specific Processor.........................................................................................158
System Load Disks...................................................................................................................158
System Load Paths for a Normal System Load........................................................................159
Configuration File....................................................................................................................160
Starting Other System Components..............................................................................................160
Performing a System Load ............................................................................................................161
Performing a System Load From a Specific Processor..................................................................162
Reloading Processors.....................................................................................................................163
Reloading Processors Using the RELOAD Command............................................................163
Reloading Processors Using OSM............................................................................................163
Minimizing the Frequency of Planned Outages.................................................................................164
Anticipating and Planning for Change..........................................................................................164
Stopping Application, Devices, and Processes...................................................................................164
Stopping the System............................................................................................................................166
Alerts..............................................................................................................................................166
Halting All Processors Using OSM...............................................................................................166
8 Table of Contents