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cc: Lefteris Tsintjelis <lefty@ene.asda.gr>
Subject: Re: SCSI/ATA disk control
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> Is there a way of controling SCSI/ATA disks (turning them on/off) on an
online
> working live system?

man camcontrol
man atacontrol

I'm not sure that you can stop ATA drives, but camcontrol allows you to
stop/start SCSI drives.