问题：

[单选]

A VIO server has two fibre channel adapters， fcs0 fcs1， attached for redundant access to a storage subsystem. 
If fcs1 has failed， what is the correct procedure to rectify this problem？ （）

A .  Using ’diagmenu’ command， set fcs1 to Defined.
B .  Using ’oem_setup_env’ and ’rmdev -R’ commands， set fcs1 adapter to ’Defined’ state.
C .  Using ’diagmenu’ command， set the fcs1 state to Defined
D .  Using ’oem_setup_env’ and ’rmdev -dl’ commands， set the state of fcs1 to Defined