Unable to boot ESXi from SATA disk in Legacy BIOS mode when the SATA controller is in RAID mode
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Unable to boot ESXi from SATA disk in Legacy BIOS mode when the SATA controller is in RAID mode

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Article ID: 345595

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Updated On:

Products

VMware vSphere ESXi

Issue/Introduction

Symptoms:
You are unable to boot ESXi from SATA disk in Legacy BIOS mode, when the SATA controller is in RAID mode.

Environment

VMware vSphere ESXi 6.0

Cause

This issue occurs in one of the below scenarios:
  • BIOS does not support booting from SATA RAID mode.
  • SATA controller has been configured to RAID mode and maybe a logical volume has been created on multi-disks. However, from the perspectives of ESX and vmw_ahci, the SATA controller is only recognized as AHCI mode, and logical volume is not detected. The installer of ESX only write booting information on one disk. If BIOS support booting from SATA RAID mode, BIOS tries to read booting information from multi-disks.

Resolution

This is a known issue affecting VMware ESXi 6.0 U3.

Workaround:
To work around this issue, use either of these options:
  • Change the SATA controller to AHCI Mode.
  • Change the BIOS compatibility mode to UEFI Mode.


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