Poul-Henning Kamp 72d945abcc Add a "spindown" facility to ata-disks: If no requests have been received ... for a configurable number of seconds, spin the disk down. Spin it back up on the next request. Notice that the timeout is only armed by a request, so to spin down a disk you may have to do: atacontrol spindown ad10 5 dd if=/dev/ad10 of=/dev/null count=1 To disable spindown, set timeout to zero: atacontrol spindown ad10 0 In order to debug any trouble caused, this code is somewhat noisy on the console. Enabling spindown on a disk containing / or /var/log/messages is not going to do anything sensible. Spinning a disk up and down all the time will wear it out, use sensibly. Approved by: sos		2008-03-17 10:33:23 +00:00
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atacontrol.8	Add a "spindown" facility to ata-disks: If no requests have been received	2008-03-17 10:33:23 +00:00
atacontrol.c	Add a "spindown" facility to ata-disks: If no requests have been received	2008-03-17 10:33:23 +00:00
Makefile	Make this WARNS=6 clean by:	2003-11-05 19:20:41 +00:00