Equipment Recommendations for Windows cluster iSCSI

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The following are minimal hardware recommendations for all iSCSI deployments:
• Dual processors in all iSCSI hosts.
• Two iSCSI network adapters or iSCSI HBA host adapters:
• One standard 10/100 network adapter (previously known as a network interface card or NIC) for connection to the public LAN
• One Gigabit Ethernet network adapter for connecting to the target storage array. (Gigabit adapters transmit data at 1000 Mbps and, like standard adapters, connect to Category 5 cabling.)
• Isolation of the target storage array onto a private network.
• At a minimum, use of CHAP authentication between iSCSI host and target.