VCP550 · Question #33
What should an administrator do to configure multi-pathing using software iSCSI?
The correct answer is A. Bind the VMkernel ports to the software iSCSI initiator. Configuring iSCSI multi-pathing in VMware requires binding multiple VMkernel ports to the software iSCSI initiator so each path uses a dedicated network adapter.
Question
What should an administrator do to configure multi-pathing using software iSCSI?
Options
- ABind the VMkernel ports to the software iSCSI initiator
- BConfigure Zoning between the hosts and SAN switches
- CConfigure NIC teaming on the associated uplinks
- DEnsure jumbo frames are enabled end-to-end
How the community answered
(34 responses)- A79% (27)
- B6% (2)
- C3% (1)
- D12% (4)
Why each option
Configuring iSCSI multi-pathing in VMware requires binding multiple VMkernel ports to the software iSCSI initiator so each path uses a dedicated network adapter.
In VMware, software iSCSI multi-pathing is achieved by binding multiple VMkernel adapters to the iSCSI initiator, with each VMkernel port on a separate uplink. This creates distinct network paths to the storage target, enabling path failover and load balancing through VMware's NMP (Native Multi-Pathing) framework.
Zoning is a Fibre Channel SAN concept used to control which HBAs can see which storage ports; it does not apply to iSCSI multi-pathing configuration.
NIC teaming bonds uplinks into a single logical link for redundancy and does not create separate iSCSI paths; port binding is the correct mechanism for iSCSI multi-pathing.
Jumbo frames reduce CPU overhead and improve throughput by increasing MTU, but enabling them does not configure or enable multi-pathing.
Concept tested: Software iSCSI multi-pathing port binding configuration
Source: https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.storage.doc/GUID-E9D6AF75-B0B5-4F9E-8831-4D8CC00EC1F2.html
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