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Diffstat (limited to 'src/ceph/doc/dev/osd_internals/scrub.rst')
-rw-r--r-- | src/ceph/doc/dev/osd_internals/scrub.rst | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/ceph/doc/dev/osd_internals/scrub.rst b/src/ceph/doc/dev/osd_internals/scrub.rst new file mode 100644 index 0000000..3343b39 --- /dev/null +++ b/src/ceph/doc/dev/osd_internals/scrub.rst @@ -0,0 +1,30 @@ + +Scrubbing Behavior Table +======================== + ++-------------------------------------------------+----------+-----------+---------------+----------------------+ +| Flags | none | noscrub | nodeep_scrub | noscrub/nodeep_scrub | ++=================================================+==========+===========+===============+======================+ +| Periodic tick | S | X | S | X | ++-------------------------------------------------+----------+-----------+---------------+----------------------+ +| Periodic tick after osd_deep_scrub_interval | D | D | S | X | ++-------------------------------------------------+----------+-----------+---------------+----------------------+ +| Initiated scrub | S | S | S | S | ++-------------------------------------------------+----------+-----------+---------------+----------------------+ +| Initiated scrub after osd_deep_scrub_interval | D | D | S | S | ++-------------------------------------------------+----------+-----------+---------------+----------------------+ +| Initiated deep scrub | D | D | D | D | ++-------------------------------------------------+----------+-----------+---------------+----------------------+ + +- X = Do nothing +- S = Do regular scrub +- D = Do deep scrub + +State variables +--------------- + +- Periodic tick state is !must_scrub && !must_deep_scrub && !time_for_deep +- Periodic tick after osd_deep_scrub_interval state is !must_scrub && !must_deep_scrub && time_for_deep +- Initiated scrub state is must_scrub && !must_deep_scrub && !time_for_deep +- Initiated scrub after osd_deep_scrub_interval state is must scrub && !must_deep_scrub && time_for_deep +- Initiated deep scrub state is must_scrub && must_deep_scrub |