SCSI disks spinning down

Derek Ragona derek at computinginnovations.com
Fri Aug 18 19:00:14 UTC 2006


There is a utility from the manufacturer to set the drives not to spin 
down.  They are spinning down to be quieter and make less heat.

         -Derek


At 01:13 PM 8/18/2006, FreeBSD Questions wrote:
>I have a server, running FBSD 5.4, that has six SCSI disks in it.
>It's primarily a fileserver for IT, and it's not access frequently,
>but it does get some use.  Most of the time--any time it's been
>sitting for a while and not accessed recently--reading from the drive
>takes a few seconds.  I presume this is because the drive has spun
>down due to it's idleness and the delay is because the drive is
>spinning up again when I access it.  Is there a way to disable this?
>The drives are IBM Deskstar drives (DPSS-318350M), and I don't know if
>this feature is a feature in the SCSI subsystem somewhere on FBSD or a
>jumper setting on the drive or what.  I'm not even sure I can turn it
>off so the drives don't spin down.
>
>Any ideas, anyone?
>
>Thanks!
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