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What is a recommended design choice in a topology for multipathing iSCSI traffic?

A.

single initiator to dual targets

Answers
A.

single initiator to dual targets

B.

initiators and targets in separate subnets

Answers
B.

initiators and targets in separate subnets

C.

dual initiators to a single target with bonded interfaces

Answers
C.

dual initiators to a single target with bonded interfaces

D.

two NICs bended together on the initiator

Answers
D.

two NICs bended together on the initiator

Suggested answer: C

Explanation:

Multipathing iSCSI traffic is a technique to provide redundancy and load balancing for iSCSI connections between a server and a storage device. Multipathing can be achieved by using multiple initiators, multiple targets, or both. However, some design choices are more optimal than others, depending on the network topology and the capabilities of the devices involved. Option C, ''dual initiators to a single target with bonded interfaces,'' is a recommended design choice because it provides the following benefits:

It allows the server to use two separate network interface cards (NICs) to connect to the same iSCSI target, which increases the bandwidth and availability of the connection.

It enables the use of link aggregation or bonding on the target side, which combines multiple physical interfaces into a logical interface that can handle more traffic and tolerate link failures.

It simplifies the configuration and management of the iSCSI sessions, as there is only one target to deal with, and the multipathing software can handle the path selection and failover.

asked 10/10/2024
Andrew Carver
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