Where is the witness deployed in a two-node Cisco HyperFlex Edge deployment?
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A. B. C. D.B.
In a two-node Cisco HyperFlex Edge deployment, a witness is required to achieve fault tolerance and ensure proper functioning of the cluster.
The witness acts as an arbitrator between the two nodes in case of a split-brain scenario, where both nodes cannot communicate with each other. In such a scenario, the witness decides which node to keep running and which node to shut down to avoid data corruption.
The witness can be deployed in one of the following ways:
A. To the HyperFlex Edge two-node cluster: In this deployment, the witness is installed as a virtual machine on the HyperFlex Edge two-node cluster itself. This option is suitable for small environments with limited resources.
B. To Cisco Intersight: In this deployment, the witness is deployed as a service on Cisco Intersight, a cloud-based management platform. This option is suitable for larger environments where the witness needs to be highly available and easily accessible.
C. To a third-party cloud provider: In this deployment, the witness is deployed on a third-party cloud provider such as Amazon Web Services (AWS) or Microsoft Azure. This option is suitable for environments where the witness needs to be highly available and easily accessible, but the organization prefers to use a third-party cloud provider instead of Cisco Intersight.
D. To an additional server with network access to HyperFlex Edge: In this deployment, the witness is installed on a separate server that has network access to the HyperFlex Edge two-node cluster. This option is suitable for environments where the witness needs to be highly available but the organization does not want to use Cisco Intersight or a third-party cloud provider.
In summary, the deployment of the witness in a two-node Cisco HyperFlex Edge deployment depends on the organization's requirements for availability, accessibility, and resources. The witness can be deployed on the HyperFlex Edge two-node cluster itself, Cisco Intersight, a third-party cloud provider, or a separate server with network access to the HyperFlex Edge two-node cluster.