FortiManager
FortiManager supports network operations use cases for centralized management, best practices compliance, and workflow automation to provide better protection against breaches.
jasonhong
Staff & Editor
Staff & Editor
Article Id 409138
Description This article describes how to troubleshoot issues related to an insufficient flash disk when upgrading FortiManager/FortiAnalyzer VM firmware version.
Scope

FortiManager-VM, FortiAnalyzer-VM.

Solution

The user can come across the following error message when attempting to upgrade FortiManager/FortiAnalyzer VM firmware version: 'New image is too big, please expand flash disk to 1028M or bigger.'

 

This issue generally happens because there is insufficient flash disk storage for the new firmware image to be uploaded to FortiManager/FortiAnalyzer VM when performing the firmware upgrade.

 

Below CLI output below shows the total flash disk size and its current usage.

 

diagnose system flash list

ImageName     Version                           TotalSize(KB)  Used(KB)  Use%  BootImage  RunningImage

primary       FMVMK6-7.4-FW-build2588-241218    506252        338972    68%   Yes        Yes 

 

To expand the flash disk storage, perform the following steps.

 

  1. Take a config backup of the FortiManager/FortiAnalyzer.
  2. Shutdown the FortiManager/FortiAnalyzer-VM.
  3. Expand the Disk 1 (or 0) by 1-2GB.
  4. Boot up the FortiManager/FortiAnalyzer VM and verify if the flash disk is automatically extended via the CLI command 'diagnose system flash disk'
  5. Perform the firmware upgrade by manually uploading the firmware image and verify if the error persist.
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