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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)
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)
Global Zone Visibility and Access
Process ID Visibility in Zones
File Systems and Non-Global Zones
Mounting File Systems in Zones
Unmounting File Systems in Zones
Security Restrictions and File System Behavior
Non-Global Zones as NFS Clients
Use of mknod Prohibited in a Zone
Restriction on Accessing A Non-Global Zone From the Global Zone
Networking in Shared-IP Non-Global Zones
IP Traffic Between Shared-IP Zones on the Same Machine
Oracle Solaris IP Filter in Shared-IP Zones
IP Network Multipathing in Shared-IP Zones
Oracle Solaris 10 8/07: Networking in Exclusive-IP Non-Global Zones
Exclusive-IP Zone Partitioning
Exclusive-IP Data-Link Interfaces
IP Traffic Between Exclusive-IP Zones on the Same Machine
Oracle Solaris IP Filter in Exclusive-IP Zones
IP Network Multipathing in Exclusive-IP Zones
Device Use in Non-Global Zones
/dev and the /devices Namespace
Utilities That Do Not Work or Are Modified in Non-Global Zones
Utilities That Do Not Work in Non-Global Zones
SPARC: Utility Modified for Use in a Non-Global Zone
Running Applications in Non-Global Zones
Resource Controls Used in Non-Global Zones
Fair Share Scheduler on an Oracle Solaris System With Zones Installed
FSS Share Division in a Non-Global Zone
Extended Accounting on an Oracle Solaris System With Zones Installed
Privileges in a Non-Global Zone
Using IP Security Architecture in Zones
IP Security Architecture in Shared-IP Zones
Oracle Solaris 10 8/07: IP Security Architecture in Exclusive-IP Zones
Using Oracle Solaris Auditing in Zones
Configuring Audit in the Global Zone
Configuring User Audit Characteristics in a Non-Global Zone
Providing Audit Records for a Specific Non-Global Zone
Running DTrace in a Non-Global Zone
About Backing Up an Oracle Solaris System With Zones Installed
Backing Up Loopback File System Directories
Backing Up Your System From the Global Zone
Backing Up Individual Non-Global Zones on Your System
Determining What to Back Up in Non-Global Zones
Backing Up Application Data Only
About Restoring Non-Global Zones
Commands Used on an Oracle Solaris System With Zones Installed
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)
You can back up everything in the non-global zone, or, because a zone's configuration changes less frequently, you can perform backups of the application data only.
If application data is kept in a particular part of the file system, you might decide to perform regular backups of this data only. The zone's root file system might not have to be backed up as often because it changes less frequently.
You will have to determine where the application places its files. Locations where files can be stored include the following:
Users' home directories
/etc for configuration data files
/var
Assuming the application administrator knows where the data is stored, it might be possible to create a system in which a per-zone writable directory is made available to each zone. Each zone can then store its own backups, and the global administrator can make this location one of the places on the system to back up.
If the database application data is not under its own directory, the following rules apply:
Ensure that the databases are in a consistent state first.
Databases must be quiesced because they have internal buffers to flush to disk. Make sure that the databases in non-global zones have come down before starting the backup from the global zone.
Within each zone, use file system features to make a snapshot of the data, then back up the snapshots directly from the global zone.
This process will minimize elapsed time for the backup window and remove the need for backup clients/modules in all of the zones.
Each non-global zone can take a snapshot of its private file systems when it is convenient for that zone and the application has been briefly quiesced. Later, the global zone can back up each of the snapshots and put them on tape after the application is back in service.
This method has the following advantages:
Fewer tape devices are needed.
There is no need for coordination between the non-global zones.
There is no need to assign devices directly to zones, which improves security.
Generally, this method keeps system management in the global zone, which is preferred.