ODF : Ceph Crash module has failed with error "dictionary changed size during iteration"

Solution Verified - Updated -

Issue

  • Ceph health reports that the Crash module has failed with the error message:
[ERR] MGR_MODULE_ERROR: Module 'crash' has failed: dictionary changed size during iteration
  • crash archive commands fail as well with the same error :
sh-5.1$ ceph crash archive-all
Error EIO: Module 'crash' has experienced an error and cannot handle commands: dictionary changed size during iteration

Environment

  • Red Hat Ceph Storage 6.x
  • Red Hat Openshift Data Foundation 4.13.y

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