We have configured window failover cluster in the we using sql cluster , we have set quorum disk and data disk both.
recently we getting 1069 and 1558 error , (1)The cluster service detected a problem with the witness resource. The witness resource will be failed over to another node within the cluster in an attempt to reestablish access to cluster configuration data.
2)Cluster resource 'Cluster Disk 2' in clustered service or application 'Cluster Group' failed.
in this node1 server , disk management cluster disk is shows offline and node2 server disk management it shows online.
This appears to be an issue with your quorum disk. To start with, try changing your cluster quorum configuration using a File Share Witness just so you can have a quorum. Then, verify the disk that was originally your quorum disk and run validation tests
against it - for example, CHKDISK and other disk utilities.
You have the option to either use a File Share Witness or a quorum disk. You decide which one suits your needs. Here's an article on how cluster quorum configurations work
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