A Ceph cluster shows a status of 'HEALTH_WARN' with the message "pool <pool> has too few pgs"

Solution Verified - Updated -

Issue

  • A ceph -s shows a HEALTH_WARN state with the following message:
pool <pool-name> has too few pgs

Environment

  • Red Hat Ceph Storage 1.3.x

  • Red Hat Ceph Storage 2.x

  • Red Hat Ceph Storage 3.x

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