Re: Manual deep scrub

Richard Arends <cephmailinglist@xxxxxxxxx> · Tue, 17 Jan 2017 22:20:32 +0100

    On 01/17/2017 09:21 PM, David Turner
      wrote:

      Looking through the additional osd
        config options for scrubbing show a couple options that can
        prevent a PG from scrubbing immediately.

        osd_scrub_during_recovery - default true - If false, no new
        scrub can be scheduled while their is active recovery.

    I will check this setting tomorrow, but i am pretty sure that's it
    still set to the default value. Our cluster was most of the time
    today in a healthy state.

        osd_scrub_load_threshold - default 0.5 - Ceph will not scrub
        when the system load is higher than this number.

        osd_scrub_load_threshold seems like a likely cause of what you
        are seeing.

    This one was also on my list, so i upped this to 5.0 on all OSDs for
    a brief moment and still nothing happened. But i did not check if
    the 'copy OSD's' where below 5 at that moment. 

    -- 
Regards,

Richard.

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