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What happens to cluster node's in-memory data after failover

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Hello,

I am doing read-write operations in multiple files from a client system on a SMB share, which is configured on a Failover Cluster FileServer. If I fail the owning node, data written just before the incident is missing after failover to other node.

I have been trying various options -  Windows 2008 R2, Windows 2012 both Cluster. Also tried Graceful reboot or shutdown of owning node or just right click and failover to other node . I also used SMB's "Continous Available" option. Different Shared Storage, Disabling Write-caching on the shared storage side also did not help - In every case, I see this data integrity issue.
 
Is there anything that I am missing.


Thanks in Advance.

Thanks & Regards,
Susanta


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