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Different BIOS version in the Cluster. Will it effect Cluster performance If yes the what it will effect ?

bhuvnesh purohit 1 Reputation point
2022-02-25T07:08:55.463+00:00

Hi All,

I want to know that if have Cluster with 6 host(Same Model and Vendor - eg - Dell PowerEdge640) and i got critical health issue & due to this we have Upgrade iDRAC & Bios version in 1 host with help of dell support So we can say that now not all the host in the cluster are running with same BIOS version. As i am using ESXI-6.7( VMWare) in all 6 host in cluster

If am running host in cluster with different BIOS version.
Will it work or effect my Cluster performance ?.
& if yes the what it will effect ?.

What if i update all the host with same BIOS version, will i see any improvement.

Thanks in advance.

Windows Server Clustering
Windows Server Clustering
Windows Server: A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.Clustering: The grouping of multiple servers in a way that allows them to appear to be a single unit to client computers on a network. Clustering is a means of increasing network capacity, providing live backup in case one of the servers fails, and improving data security.
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  1. Shashank Singh 6,251 Reputation points
    2022-03-01T13:41:22.04+00:00

    As far as my knowledge goes the performance should not be affected. Ideally the BIOS version should be same but for time being you can run your cluster with current configuration. But please plan to update ASAP.

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