Your customer has an existing HP LeftHand P4500 SAN with four nodes. They have deployed the array to feed latency-sensitive high-definition video traffic to their student population around the campus The array complies to HP best practices and has a physically dedicated iSCSI network comprising of two 1Gb HP ProCurve 2920 Switches. Jumbo frames are enabled.
The customer asks you to investigate reported performance issues. Which quick-fix solution should you suggest before running in-depth performance analysis?
A. Upgrade each switch with two additional 10G SFP+
B. Add more nodes to the cluster to improve the I/O latency
C. Upgrade firmware on HP ProCurve 2920 switches.
D. Disable Jumbo frames in the network switches
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