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Old 1st December 2018
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jggimi jggimi is offline
More noise than signal
 
Join Date: May 2008
Location: USA
Posts: 7,983
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The scsi(8) command is the analog for sd(4) devices. There's an example of a "spin down" command in the man page, which I just tested here with an external USB drive. It worked on this one.
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