src/ceph/doc/dev/osd_internals/scrub.rst

   1
   2 Scrubbing Behavior Table
   3 ========================
   4
   5 +-------------------------------------------------+----------+-----------+---------------+----------------------+
   6 |                                          Flags  | none     | noscrub   | nodeep_scrub  | noscrub/nodeep_scrub |
   7 +=================================================+==========+===========+===============+======================+
   8 | Periodic tick                                   |   S      |    X      |     S         |         X            |
   9 +-------------------------------------------------+----------+-----------+---------------+----------------------+
  10 | Periodic tick after osd_deep_scrub_interval     |   D      |    D      |     S         |         X            |
  11 +-------------------------------------------------+----------+-----------+---------------+----------------------+
  12 | Initiated scrub                                 |   S      |    S      |     S         |         S            |
  13 +-------------------------------------------------+----------+-----------+---------------+----------------------+
  14 | Initiated scrub after osd_deep_scrub_interval   |   D      |    D      |     S         |         S            |
  15 +-------------------------------------------------+----------+-----------+---------------+----------------------+
  16 | Initiated deep scrub                            |   D      |    D      |     D         |         D            |
  17 +-------------------------------------------------+----------+-----------+---------------+----------------------+
  18
  19 - X = Do nothing
  20 - S = Do regular scrub
  21 - D = Do deep scrub
  22
  23 State variables
  24 ---------------
  25
  26 - Periodic tick state is !must_scrub && !must_deep_scrub && !time_for_deep
  27 - Periodic tick after osd_deep_scrub_interval state is !must_scrub && !must_deep_scrub && time_for_deep
  28 - Initiated scrub state is  must_scrub && !must_deep_scrub && !time_for_deep
  29 - Initiated scrub after osd_deep_scrub_interval state is must scrub && !must_deep_scrub && time_for_deep
  30 - Initiated deep scrub state is  must_scrub && must_deep_scrub