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How can I resolve an "Error reading object" issue while backing up a ESX/ESXI virtual machine while using my Barracuda Backup Service?

  • Type: Knowledgebase
  • Date changed: 5 years ago
Solution #00006207

Scope:
* Barracuda Backup Servers running firmware 5.0 and higher

Answer:
The most common cause for this error is a virtual machine that has 'crashed' or has missing blocks.

The vsphere logs will show entries like these:
              Error backing up disk: Error QueryChangedDiskAreas 

To resolve this issue:
  1. Remove any snapshots for the virtual machine.
  2. Disable Changed Block Tracking.
  3. Re-enable Changed Block Tracking.
More details regarding the causes for this issue and their solutions can be found at the following link:
http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2035976


Link to this page:

https://campus.barracuda.com/solution/50160000000JAkBAAW