HP R4.2 - Manual (Page 464)

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Summary of Commands detach
UCS 1000 R4.2 Administration 585-313-507 Issue 3 April 2000 425
Examples
The following example detaches card 4 and places it in the NONEX state as
far as the system is concerned.
detach card 4
The following example detaches channels 1 through 3 and places them in the
NONEX state as far as the system is concerned.
detach channel 1-3
See Also
attach
remove
restore