Re: Sleepy drives and MD RAID 6

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On Mon, 11 Aug 2014 18:03:17 -0700
Adam Talbot <ajtalbot1@xxxxxxxxx> wrote:

> I need help from the Linux RAID pros.
> 
> To make a very long story short; I have a 7 disk in a RAID 6 array.  I
> put the drives to sleep after 7 minutes of inactivity.

It is well known that repeatedly spinning a drive down/up is absolutely the
worst possible thing you can do to it, from a long term reliability standpoint.
So my personal suggestion would be to reconsider if you really want this. The
power consumption from 7 spinning drives with no access should be no higher
than 60-70 watt; IMHO saving that amount, is not something that's worth risking
your disks and data for.

-- 
With respect,
Roman

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