Windows 2012 R2 Failover Cluster and Availability Group resource

Question

Hello
I have a 2 node WFSC 2012 R2 which uses a File Share Witness (FSW) for Quorum purposes.
I manage the cluster and have found that the FSW is a resource to the single Availability Group (AG) Role.
I cannot figure out how the FSW became a resource to the AG as I have other similar WFSC which do not have the FSW as a resource.
You also cannot add it seems a FSW to an AG as a resource.
I want to remove the FSW resource from the AG because some time recently the FSW failed and this caused the AG to go into Pending state and would not come online.
Does anyone know why an FSW would be a resource to an AG and any issues if I remove the FSW from the AG.
I believe the FSW will still remain as a resource as part of the cluster core resources group.
Thanks

Answer 1

Hi @Xain deSleena

There is no requirement for the FSW to be a resource of the AG and you should see no detrimental affect from removing it. The FSW will remain a resource of the CCRG.

Here is a guide I have used in the past for deploying an FSW:

https://learn.microsoft.com/en-us/windows-server/failover-clustering/file-share-witness

An FSW can be used on multiple clusters for high availability.

I hope this answers your question.

Thanks.

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