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Manual Chapter : Managing GSLB Data Centers

Applies To:

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BIG-IQ Centralized Management

  • 8.3.0, 8.2.0, 8.1.0, 8.0.0, 7.1.0
Manual Chapter

Managing GSLB Data Centers

How do I manage permissions for DNS GSLB objects?

F5 BIG-IQ Centralized Management makes it straightforward for you to manage permissions that allow users to view only the specific DNS GSLB objects you assign to them.
To provide permissions for a specific set of objects, you complete these tasks.
  1. Add a custom resource group
     - In this task, you specify the GSLB objects that you want this user to work with. You create a resource group for each collection of objects that you want to assign to a user.
  2. Add a custom role
     - Next, you associate the GSLB Viewer role type with the resource groups that contain the objects you want your delegates to view. For example, if you had a resource group made up of two wide IPs, one named
    SeattlePrime
     and the other named
    SeattleSecond
    , you might name this role
    viewSeattle
    .
  3. Add a custom user
     - Finally, you create a user and assign a custom role to that user. The role gives that user permissions to view the objects that belong to the objects in the resource group. In the current example, you could assign your custom user to the
    viewSeattle
     role to give that user the ability to view the GSLB objects in the two Seattle wide IPs.
For step-by-step guidance on each of these tasks, refer to
How do I give users customized permissions to specific BIG-IP resources based on their job responsibilities?
 on
support.f5.com
.

How do I manage GSLB data centers in BIG-IQ?

GSLB Data Centers are a physical or logical grouping of servers in the same location.
The workflows for creating a new data center or changing the settings for a data center that already resides on devices in a managed sync group are very similar. In each case, there are four tasks to perform.
This figure illustrates the workflow you perform to manage the data centers in a sync group. Changing the settings or creating the data center is the second step in this process.
Change data center workflow
Workflow for changing object settings on a managed device
You can view the GSLB data centers configured for the DNS sync groups that you manage by navigating to
Configuration
DNS
GSLB
Data Centers
. From there, click a data center to view it, or click
Create
 to set up a new one.

View GSLB objects

Before you can use a BIG-IQ to manage DNS GSLB objects on a managed device, you must configure at least one Datacenter on that device using the BIG-IP user interface.
Before you can view GSLB objects, you must discover and import BIG-IP devices that are members of a DNS sync group that has GSLB objects.
When you use F5 BIG-IQ Centralized Management to manage your DNS sync group, you can view the GSLB objects that are defined on devices in the sync group.
  1. At the top of the screen, click
    Configuration
    .
  2. On the left, click
    DNS
    GSLB
    , and then select the object type that you want to view.
    The screen displays a list of the selected object type that are defined on devices managed by this BIG-IQ system. For each object (except iRules, topology records, or topology regions), icons describe the health status and availability.
  3. To view overview information about a particular object, select the check box for that object.
    An overview panel and a related items panel display for this object.
  4. To see a list of related items for a GSLB object:
    1. Select the check box for that object.
    2. In the Related Items panel, click
      Show
      .
      You can view the list of related items; and, for many of the items, you can click a link to view properties for that item.
  5. To view the general properties for a GSLB object, click the name of that object.
    The screen displays the properties for the selected object.

Create a GSLB data center

You create a GSLB data center to house the servers that reside on a subnet of your network.
  1. At the top of the screen, click
    Configuration
    , then, on the left, click
    DNS
    GSLB
    Data Centers
    .
    The screen displays the list of data centers defined on this device.
  2. Click
    Create
    .
    The New Data Center screen opens.
  3. Type a
    Name
     for the GSLB data center.
  4. Select the
    Sync Group
     for the data center.
  5. Specify the additional settings needed to suit the requirements for this data center.
    Name
     and
    Sync Group
     are the only required parameters when you create a data center. The remaining parameters on this screen are optional, and perform the same function as they do when you configure a data center on a BIG-IP device.
    For details about the purpose or function of a particular setting, refer to the BIG-IP system reference information on
    support.f5.com
    .
  6. Click
    Save & Close
    .
    The system creates the new data center and adds it to the list of data centers.
Changes that you make are made only to the pending version. The
pending version
 serves as a repository for changes you stage before deploying them to the managed device. Object settings for the pending version are not the same as the object settings on the actual BIG-IP device until they are deployed or discarded.
When you finish specifying the settings for this data center, you need to evaluate and then deploy the changes to devices in the sync group. Until you deploy the changes stored in the pending version, objects on the devices in the sync group are not changed.

Edit a GSLB data center

You can view and modify the properties for existing GSLB data centers. Since you are working with an existing data center, you can modify only some settings.
  1. At the top of the screen, click
    Configuration
    , then, on the left, click
    DNS
    GSLB
    Data Centers
    .
    The screen displays the list of data centers defined on this device.
  2. Click the name of the data center you want to edit.
    Unless noted here, the parameters on this screen perform the same function as they do when you configure a data center on a BIG-IP device. For details about the purpose or function of a particular setting, refer to the BIG-IP system reference information on
    support.f5.com
    .
    The screen displays the current settings for the selected data center.
  3. Make the changes to the settings that you want to revise and then, when your edits are complete, click
    Save & Close
    .
    The system updates the data center with the settings you specified.
Changes that you make are made only to the pending version. The
pending version
 serves as a repository for changes you stage before deploying them to the managed device. Object settings for the pending version are not the same as the object settings on the actual BIG-IP device until they are deployed or discarded.
When you finish revising the settings for this data center, you need to evaluate and then deploy the changes to devices in the sync group. Until you deploy the changes stored in the pending version, objects on the devices in the sync group are not changed.
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