A systems administrator is configuring a new rack-mounted hypervisor to connect to a block-level storage array over the existing Ethernet network. The goal is to present storage LUNs to the hypervisor, which will appear as local disks to the virtual machines. To achieve this, the administrator must configure a software component on the hypervisor to discover and log in to the storage array. What is the standard name for this software component in an iSCSI configuration?
The correct answer is iSCSI initiator. In an iSCSI storage network, the client component that resides on the server (in this case, the hypervisor) is called the initiator. It is responsible for sending SCSI commands over the IP network to the iSCSI target. The iSCSI target is the storage system that provides the LUNs. A Fibre Channel HBA is hardware for a different storage protocol (Fibre Channel) that requires a dedicated network, not standard Ethernet. LUN masking is a security process configured on the target to control which initiators have access to specific LUNs; it is not the client component itself.
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What is the difference between an iSCSI initiator and an iSCSI target?
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Why is iSCSI preferred over Fibre Channel in some setups?