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单选题
A blade server has been configured to boot from SAN.  After an HBA firmware upgrade the blade was rebooted and cannot find the operating system.  Which of the following should the administrator do NEXT to troubleshoot the issue?()
A

Verify all HBA settings.

B

Upgrade the blade firmware.

C

Upgrade the OS level HBA drivers.

D

Set the system to boot from the local disk.


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