Ceph: MDS nodes stuck in unknown state, "mds.0.journal EMetaBlob.replay 2 dirlumps by unknown.0" in MDS logs

Solution In Progress - Updated -

Issue

MDS nodes stuck in unknown state, "mds.0.journal EMetaBlob.replay 2 dirlumps by unknown.0" in MDS logs

mds.cephfs-ec.ceph104.ljgzbe  ceph104  unknown        63s ago    3M   -              <unknown>         <unknown>     <unknown>
mds.cephfs-ec.ceph105.txuoff  ceph105  stopped        2m ago     3M   -              <unknown>         <unknown>     <unknown>

From MDS logs (Ex: ceph-mds.cephfs-ec.ceph104.ljgzbe.log-20221208):

2022-12-07T10:01:11.997+0000 7f2a9c7c9700 10 mds.0.journal EMetaBlob.replay 2 dirlumps by unknown.0

Environment

Red Hat Ceph Storage (RHCS) 5.0.x

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