[Bug 1848950] [NEW] pg not [deep] scrubbed since 0.000000 -- w/fix

[Harry Coin]

Public bug reported:

Would ubuntu include the nautilus patch
https://github.com/ceph/ceph/pull/28869 ?

Right now the ceph dashboard won't report 'normal'/'green' because of the bug/hack of resetting scrub timestamps to 0 when auto-repair is set.  The above patch, accepted in May by Ceph, fixes that.
Fixes: http://tracker.ceph.com/issues/40073

>From upstream..

 osd: Fix the way that auto repair triggers after regular scrub

We used a trick to get auto repair to happen after scrub errors
which reset the scrub/deep-scrub stamps.  This not only
looks bad to the user, but causes health warnings.  Instead
use a new scrubber flag need_auto which causes reg_next_srub()
to set deadline for immediate scrubbing.  It also causes time_for_deep
to be set so that auto repair triggers.

Every regular scrub was triggering a deep scrub. Check
scrubber.authoritative.size() (scrub error count), so regular scrub doesn't
trigger deep-scrub when there are no errors.

Caused by: 2202e5d

** Affects: ceph (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1848950

Title:
  pg not [deep] scrubbed since 0.000000 -- w/fix

Status in ceph package in Ubuntu:
  New

Bug description:
  Would ubuntu include the nautilus patch
  https://github.com/ceph/ceph/pull/28869 ?

  Right now the ceph dashboard won't report 'normal'/'green' because of the bug/hack of resetting scrub timestamps to 0 when auto-repair is set.  The above patch, accepted in May by Ceph, fixes that.
  Fixes: http://tracker.ceph.com/issues/40073

  From upstream..

   osd: Fix the way that auto repair triggers after regular scrub

  We used a trick to get auto repair to happen after scrub errors
  which reset the scrub/deep-scrub stamps.  This not only
  looks bad to the user, but causes health warnings.  Instead
  use a new scrubber flag need_auto which causes reg_next_srub()
  to set deadline for immediate scrubbing.  It also causes time_for_deep
  to be set so that auto repair triggers.

  Every regular scrub was triggering a deep scrub. Check
  scrubber.authoritative.size() (scrub error count), so regular scrub doesn't
  trigger deep-scrub when there are no errors.

  Caused by: 2202e5d

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