Assertion in v0.40 - os/FileStore.cc: 2438: FAILED assert(0 == "unexpected error")

[Martin Mailand <martin@xxxxxxxxxxxx>]

Hi
one of four OSD died during the update to v0.40 with an Assertion 
os/FileStore.cc: 2438: FAILED assert(0 == "unexpected error")
Even after a complete shutdown of the cluster an a new start with all 
OSD at the same version, this osd did not start.

The OSD Log it attached.

-martin

Attachment: osd.0.log.bz2
Description: application/bzip