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https://github.com/ceph/ceph
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42 lines
2.2 KiB
ReStructuredText
42 lines
2.2 KiB
ReStructuredText
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Scrub internals and diagnostics
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===============================
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Scrubbing Behavior Table
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------------------------
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+-------------------------------------------------+----------+-----------+---------------+----------------------+
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| Flags | none | noscrub | nodeep_scrub | noscrub/nodeep_scrub |
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+=================================================+==========+===========+===============+======================+
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| Periodic tick | S | X | S | X |
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+-------------------------------------------------+----------+-----------+---------------+----------------------+
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| Periodic tick after osd_deep_scrub_interval | D | D | S | X |
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+-------------------------------------------------+----------+-----------+---------------+----------------------+
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| Initiated scrub | S | S | S | S |
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+-------------------------------------------------+----------+-----------+---------------+----------------------+
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| Initiated scrub after osd_deep_scrub_interval | D | D | S | S |
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+-------------------------------------------------+----------+-----------+---------------+----------------------+
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| Initiated deep scrub | D | D | D | D |
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+-------------------------------------------------+----------+-----------+---------------+----------------------+
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- X = Do nothing
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- S = Do regular scrub
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- D = Do deep scrub
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State variables
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---------------
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- Periodic tick state is ``!must_scrub && !must_deep_scrub && !time_for_deep``
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- Periodic tick after ``osd_deep_scrub_interval state is !must_scrub && !must_deep_scrub && time_for_deep``
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- Initiated scrub state is ``must_scrub && !must_deep_scrub && !time_for_deep``
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- Initiated scrub after ``osd_deep_scrub_interval`` state is ``must_scrub && !must_deep_scrub && time_for_deep``
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- Initiated deep scrub state is ``must_scrub && must_deep_scrub``
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Scrub Reservations
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------------------
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An OSD daemon command dumps total local and remote reservations::
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ceph daemon osd.<id> dump_scrub_reservations
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