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System Administration Guide: Oracle Solaris Containers-Resource Management and Oracle Solaris Zones Oracle Solaris Legacy Containers |
1. Introduction to Solaris 10 Resource Management
2. Projects and Tasks (Overview)
3. Administering Projects and Tasks
4. Extended Accounting (Overview)
5. Administering Extended Accounting (Tasks)
6. Resource Controls (Overview)
7. Administering Resource Controls (Tasks)
8. Fair Share Scheduler (Overview)
9. Administering the Fair Share Scheduler (Tasks)
10. Physical Memory Control Using the Resource Capping Daemon (Overview)
11. Administering the Resource Capping Daemon (Tasks)
What's New in Resource Pools and Dynamic Resource Pools?
Introduction to Resource Pools
Introduction to Dynamic Resource Pools
About Enabling and Disabling Resource Pools and Dynamic Resource Pools
Implementing Pools on a System
Directly Manipulating the Dynamic Configuration
Managing Dynamic Resource Pools
Configuration Constraints and Objectives
pset.min Property and pset.max Property Constraints
cpu.pinned Property Constraint
pool.importance Property Constraint
Configuration Objectives Example
poold Features That Can Be Configured
Configuration Information Logging
Monitoring Information Logging
Optimization Information Logging
How Dynamic Resource Allocation Works
Determining Available Resources
Identifying a Resource Shortage
Determining Resource Utilization
Identifying Control Violations
Determining Appropriate Remedial Action
Using poolstat to Monitor the Pools Facility and Resource Utilization
Tuning poolstat Operation Intervals
Commands Used With the Resource Pools Facility
13. Creating and Administering Resource Pools (Tasks)
14. Resource Management Configuration Example
15. Resource Control Functionality in the Solaris Management Console
16. Introduction to Solaris Zones
17. Non-Global Zone Configuration (Overview)
18. Planning and Configuring Non-Global Zones (Tasks)
19. About Installing, Halting, Cloning, and Uninstalling Non-Global Zones (Overview)
20. Installing, Booting, Halting, Uninstalling, and Cloning Non-Global Zones (Tasks)
21. Non-Global Zone Login (Overview)
22. Logging In to Non-Global Zones (Tasks)
23. Moving and Migrating Non-Global Zones (Tasks)
24. Oracle Solaris 10 9/10: Migrating a Physical Oracle Solaris System Into a Zone (Tasks)
25. About Packages and Patches on an Oracle Solaris System With Zones Installed (Overview)
27. Oracle Solaris Zones Administration (Overview)
28. Oracle Solaris Zones Administration (Tasks)
29. Upgrading an Oracle Solaris 10 System That Has Installed Non-Global Zones
30. Troubleshooting Miscellaneous Oracle Solaris Zones Problems
31. About Branded Zones and the Linux Branded Zone
32. Planning the lx Branded Zone Configuration (Overview)
33. Configuring the lx Branded Zone (Tasks)
34. About Installing, Booting, Halting, Cloning, and Uninstalling lx Branded Zones (Overview)
35. Installing, Booting, Halting, Uninstalling and Cloning lx Branded Zones (Tasks)
36. Logging In to lx Branded Zones (Tasks)
37. Moving and Migrating lx Branded Zones (Tasks)
38. Administering and Running Applications in lx Branded Zones (Tasks)
Dynamic Reconfiguration (DR) enables you to reconfigure hardware while the system is running. A DR operation can increase, reduce, or have no effect on a given type of resource. Because DR can affect available resource amounts, the pools facility must be included in these operations. When a DR operation is initiated, the pools framework acts to validate the configuration.
If the DR operation can proceed without causing the current pools configuration to become invalid, then the private configuration file is updated. An invalid configuration is one that cannot be supported by the available resources.
If the DR operation would cause the pools configuration to be invalid, then the operation fails and you are notified by a message to the message log. If you want to force the configuration to completion, you must use the DR force option. The pools configuration is then modified to comply with the new resource configuration. For information on the DR process and the force option, see the dynamic reconfiguration user guide for your Sun hardware.
If you are using dynamic resource pools, note that it is possible for a partition to move out of poold control while the daemon is active. For more information, see Identifying a Resource Shortage.