After update the Ceph status is "HEALTH_WARN" with crush map has straw_calc_version=0

Solution Verified - Updated -

Issue

  • After update of Red Hat Ceph Storage from 1.3.x to 2.x version, the health status reports:
# ceph -s
     health HEALTH_WARN
     crush map has straw_calc_version=0
# ceph health detail
HEALTH_WARN crush map has straw_calc_version=0
crush map has straw_calc_version=0; see http://ceph.com/docs/master/rados/operations/crush-map/#tunables

Environment

  • Red Hat Ceph Storage 2.x
  • Red Hat Ceph Storage 1.3.x

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