For anActiveCluster solution with Uniform Configuration, the architect should recommenddual connections from each controller through two fabricsto ensure high availability and redundancy in Fibre Channel connectivity.

Why This Matters:

Dual Connections:

Each controller should have dual connections to provide redundancy and fault tolerance. If one connection fails, the other ensures uninterrupted communication between the host and the array.

Two Fabrics:

Using two independent Fibre Channel fabrics (e.g., Fabric A and Fabric B) ensures that there is no single point of failure in the network infrastructure. This aligns with best practices for ActiveCluster deployments.

Why Not the Other Options?

B. A single connection from each controller through two fabrics:

A single connection per controller does not provide sufficient redundancy. If the connection fails, the host may lose access to the array.

C. Crossed connections from each controller through a single fabric:

Using a single fabric introduces a single point of failure. Additionally, "crossed connections" are not a standard or recommended configuration for ActiveCluster.

D. A single connection from each controller through a single fabric:

This configuration lacks both redundancy at the connection level and at the fabric level, making it highly vulnerable to failures.

Key Points:

Redundancy:Dual connections and two fabrics ensure fault tolerance and high availability.

Best Practices:Aligns with Pure Storage's recommendations for ActiveCluster deployments.

Uniform Configuration:Ensures consistent and reliable connectivity across all hosts in the cluster.

References:

Pure Storage FlashArray Documentation: "ActiveCluster Best Practices for Fibre Channel Connectivity"

Pure Storage Whitepaper: "Designing High-Availability Solutions with ActiveCluster"

Pure Storage Knowledge Base: "Configuring Host Connections for ActiveCluster"