NonStop S-Series Operations Guide (G06.27+)

Processors: Monitoring and Recovery
HP NonStop S-Series Operations Guide—522459-008
11-6
Recovery Operations for Processors
If system freeze is enabled, the status for all other freeze-enabled processors
becomes:
Frozen by other processor
The Processor Halt Codes Manual documents processor halt codes.
Recovery Operations for Processors
Processor halts can sometimes be confused with other types of errors. Determine
whether a processor halt, hardware error freeze, or system hang has occurred. See
Identifying Processor Problems on page 11-5.
Recovery operations for processors includes:
•
Halting One or More Processors on page 11-7
•
Recovery Operations for a System Hang on page 11-7
•
Recovery Operations for a Hardware Error Freeze on page 11-8
•
Recovery Operations for an Unacceptable Service State on page 11-8
•
Recovery Operations for a Processor Halt on page 11-8
•
Dumping a Processor to Disk on page 11-10
•
Enabling or Disabling System Freeze on page 11-12
•
Enabling or Disabling Freeze on a Processor on page 11-13
•
Freezing the System or Processor on page 11-15
•
Dumping a Processor to Tape (Down System Only) on page 11-17
•
Dumping All Processors in a System on page 11-21
•
Reloading a Single Processor on a Running Server on page 11-22
•
Loading a Processor From Disk on page 11-23
•
Copying a Dump File From Tape to Disk on page 11-24
•
Backing Up a Processor Dump to Tape on page 11-25
•
Replacing Processor Memory or a PMF CRU on page 11-25
Note. Do not freeze-enable a processor unless instructed to do so by your service provider.