On 04/02/15 21:02, Stillwell, Bryan wrote:
>
> I'm pretty sure setting 'nodeep-scrub' doesn't cancel any current
> deep-scrubs that are happening,

Indeed it doesn't.

>  but something like this would help prevent
> the problem from getting worse.

If the cause of the recoveries/backfills are an OSD failure or a new OSD
added to the crush map, chances are that several deep-scrubs will occur
during the rebalancing so setting nodeep-scrub serves both to prevent
the problem from getting worse and to correct it before the end of the
balancing.

Lionel
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