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VCP550 · Question #30

Which two statements are true regarding a new vSphere deployment that is using software FCoE boot from SAN? (Choose two.)

The correct answer is A. Multi-pathing options must be configured by the vmkernel after boot. C. The adapter must support FBFT or FBPT.. Software FCoE boot from SAN has specific adapter firmware table requirements and a distinct multi-pathing model compared to hardware FCoE and iSCSI boot methods.

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Question

Which two statements are true regarding a new vSphere deployment that is using software FCoE boot from SAN? (Choose two.)

Options

  • AMulti-pathing options must be configured by the vmkernel after boot.
  • BThe adapter must support iBFT or UEFI.
  • CThe adapter must support FBFT or FBPT.
  • DMulti-pathing options must be configured in the Boot ROM.

How the community answered

(28 responses)
  • A
    71% (20)
  • B
    7% (2)
  • D
    21% (6)

Why each option

Software FCoE boot from SAN has specific adapter firmware table requirements and a distinct multi-pathing model compared to hardware FCoE and iSCSI boot methods.

AMulti-pathing options must be configured by the vmkernel after boot.Correct

With software FCoE boot, the Boot ROM handles only the minimal single-path connection needed to load the hypervisor; once the vmkernel is running it takes over and configures all multi-pathing through its native path management stack.

BThe adapter must support iBFT or UEFI.

iBFT (iSCSI Boot Firmware Table) and UEFI-based iSCSI boot tables are iSCSI constructs and are not used for software FCoE boot.

CThe adapter must support FBFT or FBPT.Correct

Software FCoE boot requires the network adapter to expose an FBFT (FCoE Boot Firmware Table) or FBPT (FCoE Boot Parameter Table), which are the FCoE-specific firmware structures used to communicate boot target parameters to the software initiator.

DMulti-pathing options must be configured in the Boot ROM.

Configuring multi-pathing in the Boot ROM is the model used by dedicated hardware FCoE or iSCSI HBAs; software FCoE intentionally delegates multi-path setup to the vmkernel after the OS loads.

Concept tested: Software FCoE SAN boot adapter firmware and multi-pathing requirements

Source: https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.storage.doc/GUID-E8B8ABE4-CDED-4D77-A52C-D63D1ECAFF2A.html

Topics

#software FCoE#boot from SAN#iBFT#FBFT/FBPT

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