atacontrol -> camcontrol in FreeBSD10+

[Robert Huff]

>>      This system has an external hard drive dock, connected to ada1 via
>> eSATA.  Every so often the drive gets swapped, causing it to disappear
>> from /dev.
>>      Previously
>>
>> root> atacontrol ata0 detach
>> root> atacontrol ata0 attach
>>
>>      would get it back.
>>      I am unable how figure out the equivalent using camcontrol, in part
>> because many of the commands are explicitly tagged "SCSI".
>>      Anybody out there know how to do this?
>
>    Without further examination, I'd say this is
>
>	# camcontrol rescan <bus, lun or "all"
>	# camcontrol devlist
>	# camcontrol start <lun>
>	# camcontrol stop <lun>
>
>  See "man camcontrol" for details.

	I did RTM, hence the comment about commands that mention SCSI.
	For example, "start" and "stop" do so, and I get

Error received from stop unit command

	when I try it.



					Robert Huff