MDS stuck replaying

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Hi folks,

This morning, one of my MDSes dropped into "replaying":

mds cluster is degraded
mds.0 at 192.168.1.31:6800/12550 rank 0 is replaying journal

and the ceph filesystem seems to be unavailable to the clients.  Is there
any way to see the progress of this replay?  I don't see any indication in
the logs or elsewhere that it's actually doing anything.  If it's safe to
truncate the journal, I'd be fine with just losing any changes made since
this morning, in order to get the filesystem back online.

The ceph version is 0.94.5, fwiw.

Bryan


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