FCoE Boot from SAN (BFS) Limitations for uEFI BIOS
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FCoE Boot from SAN (BFS) Limitations for uEFI BIOS

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Article ID: 301277

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Updated On:

Products

VMware vSphere ESXi

Issue/Introduction

Symptoms:
  • Boot From SAN for Storage adapters works only with Legacy BIOS on ESX5.0/ESX5.5.
  • Boot From SAN works with both Legacy BIOS and UEFI for ESX6.0.


Environment

VMware vSphere ESXi 6.0
VMware vSphere ESXi 5.5
VMware vSphere ESXi 5.1

Resolution

uEFI based FCoE BFS requires an FBPT based uEFI GUID search code for LUN identification. The uEFI GUID search code feature was not enabled in VMware ESX until the ESXi 6.0 GA release. Therefore, uEFI based FCoE BFS is only supported on ESXi 6.0 and later. Legacy FCoE BFS support is available on ESXi 5.1 and later.

The support matrix is as follows:
 
 Legacy BFSuEFI BFS
ESXi 5.1SupportedNot supported
ESXi 5.5SupportedNot Supported
ESXi 6.0SupportedSupported


Additional Information

uEFI BIOS での FCoE SAN ブート (BFS) の制限
中文简体：FCoE 从 SAN 引导 (BFS) 对 uEFI BIOS 的限制

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