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[digital8]

Need to run chkdsk on a clustered system? You will have to Disable the Cluster Service so you can run chkdsk on a clustered system.

First, ensure you only have one of the cluster node on. This is a very important step.

On the cluster node, log into Windows as normal.

Go to the Device Manager
Click on View
Click on Show Hidden Devices
Click on [Non Plug and Play devices
Right Click on Cluster Disk Driver and choose Properties
Click on Driver Tab
Change the Startup Type to Demand

Now go to Services and Applications
Then Services
Then Find ClusSrv
Right Click and choose Properties
Change Startup to Manual

Now Reboot

This will cause the Cluster not to be in control of the drives, but the Operating System. During the reboot, your system might run Chkdsk while booting. If Chkdsk does not run during bootup, then you will need to run CHKDSK /F from a command prompt on the drive in question.

After Chkdsk has completed, verify you have access to the drives and data.

Reboot

Now you will need to change the Cluster Disk Driver back to System by following the steps below:

Go to the Device Manager
Click on View
Click on Show Hidden Devices
Click on [Non Plug and Play devices
Right Click on Cluster Disk Driver and choose Properties
Click on Driver Tab
Change the Startup Type to System


Now you will need to set the ClusSvc Service back to Automatic by following the steps below:

Now go to Services and Applications
Then Services
Then Find ClusSrv
Right Click and choose Properties
Change Startup to Automatic

Now you should reboot and verify the Cluster is working properly.

Bring the other node(s) of the cluster on-line and ensure everything is working properly. You should test fail-overs and fail-backs to ensure your cluster system is working as designed.