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  2. Upgrading BIG-IQ from version 8.0 with a Data Collection Device Cluster with Minimal Downtime
  3. Preparing to Upgrade Devices in your DCD Cluster and the BIG-IQ with Minimal Downtime
Manual Chapter : Preparing to Upgrade Devices in your DCD Cluster and the BIG-IQ with Minimal Downtime

Applies To:

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BIG-IQ Centralized Management

  • 8.1.0
Manual Chapter

Preparing to Upgrade Devices in your DCD Cluster and the BIG-IQ with Minimal Downtime

Download the BIG-IQ software and MD5 file

Download the BIG-IQ software image to your local system, so you can easily access it to upload it to your BIG-IQ systems.
The BIG-IQ disk space compatibility check is not supported for BIG-IQ hotfix images. To avoid errors, download the standard BIG-IQ
.iso
 image.
  1. Log in to the F5 Downloads site,
    downloads.f5.com
    .
  2. Click the
    Find a Download
     button.
  3. Click the name of the BIG-IQ product line.
  4. Click the product name,
    Centralized Management
    .
  5. Click the version number you want to download.
  6. Read the End User Software License agreement and click the
    I Accept
     button if you agree with the terms.
  7. Click the
    BIG-IQ-<version number>
    .iso
     file name that you want to download.
  8. Click the name of the closest geographical location to you.
    The software image downloads to your local system.
  9. Navigate back to the download location by clicking
    Product Lines
     at the top of the screen.
  10. Download the following ISO files:
    • BIG-IQ-<version number> .iso
    • BIG-IQ-<version number> .iso.md
The software images are now available for you to upload to BIG-IQ to make them available for this upgrade.

Upload the BIG-IQ software image

Before you can upload the software image to the BIG-IQ system, you must have first downloaded it from the F5 Downloads site,
downloads.f5.com
.
You upload the BIG-IQ version software image to the primary BIG-IQ system to make it available for this upgrade.
  1. At the top of the screen, click
    System
    .
  2. On the left click
    Software Management
    IMAGES
    .
  3. Click the
    Upload Image
     button.
  4. Click the
    Choose File
     button and go to the location to which you downloaded the image, and click the
    Open
     button to upload it to BIG-IQ.

Confirm that alerts and events can be sent to an alternative device in a data collection device cluster if one goes off line

Before you start the upgrade process, confirm that your managed BIG-IP devices can send alerts or events to more than one device in the data collection device cluster so that when a particular device in the data collection device cluster is being upgraded, data automatically routes to another device in the data collection device cluster.
  1. Review the data routing configuration for all of the managed BIG-IP devices that send data to your DCD cluster. If you find a BIG-IP device that is configured to send data to only one device in a DCD cluster, change that configuration before proceeding. Refer to the BIG-IP device documentation on
    support.f5.com
     for details on how to configure the BIG-IP device for DCD cluster routing.
  2. Review the monitoring configuration for all of the managed BIG-IP devices that send data to your DCD cluster. Make sure that each BIG-IP device is configured to send data to an alternate device in the DCD cluster if another device goes offline. If you find a BIG-IP device that is not configured with appropriate monitors, change that configuration before proceeding. Refer to the BIG-IP device documentation on
    support.f5.com
     for details on how to configure BIG-IP monitors correctly.
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