Re: Kernel preventing (extra) spare disk in array from entering standby

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On 10/24/2017 10:32 AM, Bjørnar Ness wrote:
> When looking into disk power-save, I notice that all spare disks attached
> to a rebuilding array is sent some type of write request every around 5 second.
> 
> In my case, where I have perhaps 12 spares attached to an array, it
> unnecessary prevents the remaining 11 spares from entering standby
> mode when a rebuild is happening.
> 
> Is it possible to do something about this?
> 
That sounds like writes to the write-intent bitmap, which happens to all
devices in an array while degraded.

Why do you have 12 spares attached to the array?  That seems a bit
excessive.

Phil
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