June 1, 201214 yr My system has 12 HDD slots, all of a hot swap nature. Six of them (Parity plus five data) are in the Array, Three have Hot Spares which are installed, pre-cleared but not in the array, and three are empty. All drives are Hitachi 2TB. I do not use Hot Swap, but it is convenient not to have to open the case to perform disk add/replace. How can I spin down/up the spare drives that are installed, recognized by Linux. I would like to leave them as installed but spun down. If there is a negative to doing this please advise.
June 1, 201214 yr Identify the devices, and then add "hdparm -S <delay> <device>" statements to the "go" script. Read the man page for hdparm, to see how the delay is specified. "hdparm -C <device>" will show it's current state. Cheers.
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