On Thu, Oct 6, 2011 at 12:38 PM, Paul Hartman <paul.hartman+gen...@gmail.com> wrote: > On Thu, Oct 6, 2011 at 2:14 PM, Jarry <mr.ja...@gmail.com> wrote: >> Hi, >> >> In my server I have a few disks which must be running 24/7, >> but I also have a single big hard-drive, which is used only >> for a few minutes every day, just for backups. How could I >> power disk off when not needed (and "on" again when needed) >> in order to save a little power and prolong its life? > > Use hdparm to set the power-saving level. Also look into general > power-saving tips for linux laptop users which may help reduce > unnecessary accesses to that drive. Maybe even use laptop-mode-tools. >
Paul, Would hdparm be advisable if the drive was part of a RAID? I suspect not. I don't think this applies to the OP but for the sake of discussion why not include RAID as part of the solution, if possible. - Mark
