Applies To:

Show Versions Show Versions

Manual Chapter: Working with Folders
Manual Chapter
Table of Contents   |   << Previous Chapter   |   Next Chapter >>

About folders on the BIG-IP system

At the most basic level, a folder is a container for BIG-IP configuration objects and files on a BIG-IP device. Virtual servers, pools, and self IP addresses are examples of objects that reside in folders on the system. Folders resemble standard directories, in that the system includes a root folder (represented by the / symbol) that is the parent for other folders on the system.

A folder can contain other folders.

One of the important ways that you can use folders is to set up full or granular synchronization and failover of BIG-IP configuration data in a device group. You can synchronize and fail over all configuration data on a BIG-IP device, or you can synchronize and fail over objects within a specific folder only.

About folder attributes for redundancy

Folders have two specific redundancy attributes that enable granular synchronization and failover of BIG-IP system data within a device group. These two attributes are a device group name and a traffic group name.

Device group name

This attribute determines the scope of the synchronization, that is, the specific devices to which the system synchronizes the contents of the associated folder. When you create a Sync-Failover device group on a BIG-IP device, the system assigns that device group name as an attribute of folder root. Any other folders that you subsequently create on a device group member then inherit that same device group name, by default.

The result is that when you enable config sync for the local device, the contents of the root folder and any sub-folders are synchronized across the members of the specified device group.

If you want to synchronize a specific sub folder across only a subset of device group members, you can create a second, smaller Sync-Only device group in which the local device is also a member, and then change the sub folder's device group attribute to the new Sync-Only device group name. All objects within that sub folder are then synchronized to the Sync-Only device group, while objects outside of that sub folder are still synchronized to the members of the larger Sync-Failover device group.

Note: The device group assigned to a folder must contain the local BIG-IP device. Also, you cannot remove the local BIG-IP device from the Sync-Failover device group assigned to a folder.

Traffic group name

This attribute determines the scope of a failover action, that is, the specific configuration objects that will fail over if the device becomes unavailable. If you enabled failover on a device (as part of running the Setup utility or upgrading from a previous BIG-IP version), the device contains the default traffic group named traffic-group-1. The system assigns this traffic group name by default as an attribute of folder root. Any other folders that you subsequently create on a device group member inherit that same traffic group name, by default. The result is that when the local device is a member of a Sync-Failover device group, all failover objects within the root folder and its hierarchy fail over based on the definition of the specified traffic group.

You can assign a different traffic group to a specific sub folder. For example, you can create an iApps application in a sub folder and change the inherited traffic group value of traffic-group-1 to a traffic group that you create, such as traffic-group-2. You can then manually cause traffic-group-2 to fail over to another device so that the iApp application runs on a separate device from traffic-group-1.

About the root folder

At the highest-level, the BIG-IP system includes a root folder. The root folder contains all BIG-IP configuration objects on the system, by way of a hierarchical folder and sub-folder structure within it.

By default, the BIG-IP system assigns a Sync-Failover device group and a traffic group to the root folder. All folders and sub-folders under the root folder inherit these default assignments.

Viewing redundancy attributes for the root folder

You can view the device group and traffic group attributes assigned to the root folder. All eligible configuration objects in the root folder hierarchy synchronize to the named device group, and all failover objects in the hierarchy fail over with the named traffic group.
Note: All folders and sub-folders in the root folder hierarchy inherit these attribute values, by default.
  1. On the Main tab, click System > Platform. The Platform screen opens.
  2. For the Redundant Device Configuration setting, view the device group and the traffic group attributes.

Configuring the traffic group attribute for the root folder

If you have two or more traffic groups defined on the BIG-IP system, you can configure the traffic group attribute assigned to the root folder. By default, this value is traffic-group-1.
Note: All folders and sub folders in the root folder hierarchy inherit this attribute value, by default.
  1. On the Main tab, click System > Platform. The Platform screen opens.
  2. If the system includes two or more traffic groups, then for the Default traffic group setting, select a traffic group from the list.
  3. Click Update.
By default, all failover objects in the rootfolder hierarchy fail over with the named traffic group, when failover occurs.
Table of Contents   |   << Previous Chapter   |   Next Chapter >>

Was this resource helpful in solving your issue?




NOTE: Please do not provide personal information.



Incorrect answer. Please try again: Please enter the words to the right: Please enter the numbers you hear:

Additional Comments (optional)