Open System Services Management and Operations Guide (G06.30+, H06.08+, J06.03+)

Automatic Startup Service...................................................................................................47
Possible Ways to Stop the OSS File System............................................................................47
Manually Stopping the OSS File System and the OSS Environment...........................................47
Sending Warnings to Users............................................................................................49
Manually Restarting the OSS File System and the OSS Environment..........................................50
Managing the OSS Subsystem.................................................................................................50
Starting the OSS Monitor....................................................................................................51
Starting the OSS Monitor as a Normal Process.................................................................51
Starting the OSS Monitor as a Persistent Process................................................................52
PARAMs Used by the OSS Monitor..................................................................................53
Specifying a Home Terminal...........................................................................................54
Naming the OSS Monitor Process...................................................................................55
Using OSS Monitor Commands......................................................................................55
Stopping the OSS Monitor..................................................................................................56
Obtaining Information About the OSS Subsystem...................................................................57
Checking Whether a Subsystem Process Is Running...........................................................57
Listing the Objects Managed by the OSS Monitor.............................................................58
Checking the Configuration of the OSS Monitor................................................................58
Checking the Version of the OSS Monitor.........................................................................59
Changing the OSS Subsystem Configuration..........................................................................59
Enabling the Automatic Startup Service.................................................................................59
Removing the OSS File System..................................................................................................59
Monitoring OSS Resources.......................................................................................................61
Example...........................................................................................................................61
Monitoring OSS Processes.......................................................................................................62
Monitoring OSS Processes From the OSS Environment............................................................62
Monitoring OSS Processes From the Guardian Environment.....................................................63
Managing OSS Processes........................................................................................................64
Making OSS Application Processes Persistent with the Kernel Subsystem....................................64
Examples.....................................................................................................................66
Managing OSS Process Scheduling......................................................................................69
Using the nice Command...............................................................................................70
Using an OSS Shell Script..............................................................................................70
Using an OSS Shell Alias...............................................................................................71
Managing OSS Process Processor Use..................................................................................71
Managing OSS Interprocess Communication Facilities.................................................................72
Scheduling Periodic Tasks........................................................................................................73
Using the cron Process........................................................................................................73
Configuring the cron Process...........................................................................................73
The crontab Command..................................................................................................74
The at Command..........................................................................................................74
The atq Command........................................................................................................75
The atrm Command.......................................................................................................75
The batch Command.....................................................................................................75
Using the NetBatch Product.................................................................................................75
3 Understanding the OSS File System.............................................................80
OSS Pathnames......................................................................................................................80
Using Pathnames for Remote Files.........................................................................................83
Using the Local Root Directory as a Pathname........................................................................84
OSS File Components.............................................................................................................85
OSS Catalog Files..............................................................................................................85
OSS Data Files..................................................................................................................85
Relating OSS Files, Filesets, and Disk Volumes ...........................................................................86
OSS File Size Considerations...............................................................................................86
4 Contents