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File share witness: Content of witness.log

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Hi,

According to MS documentation, File share witness will only have witness.log vs cluster database (in disk witness):

File share witness
  • SMB file share that is configured on a file server running Windows Server
  • Does not store a copy of the cluster database
  • Maintains cluster information only in a witness.log file
  • Most useful for multisite clusters with replicated storage
  • Must have a minimum of 5 MB of free space
  • Must be dedicated to the single cluster and not used to store user or application data
  • Must have write permissions enabled for the computer object for the cluster name

The following are additional considerations for a file server that hosts the file share witness:
  • A single file server can be configured with file share witnesses for multiple clusters.
  • The file server must be on a site that is separate from the cluster workload. This allows equal opportunity for any cluster site to survive if site-to-site network communication is lost. If the file server is on the same site, that site becomes the primary site, and it is the only site that can reach the file share.
  • The file server can run on a virtual machine if the virtual machine is not hosted on the same cluster that uses the file share witness.
  • For high availability, the file server can be configured on a separate failover cluster.

https://docs.microsoft.com/en-us/windows-server/failover-clustering/manage-cluster-quorum

I was wondering what is the content of witness.log vs "real" and full cluster database? What info one can get outta it?

Thank you!


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