Hello, I'm installing ceph using ceph-deploy and run into this error: Unhandled exception in thread started by sys.excepthook is missing lost sys.stderr Command used: ceph-deploy install cephnode01-os5 cephnode02-os5 cephnode03-os5 Last lines: .... [cephnode03-os5][DEBUG ] Setting up ceph-fs-common (0.72.2-1precise) ... [cephnode03-os5][DEBUG ] Setting up ceph-mds (0.72.2-1precise) ... [cephnode03-os5][DEBUG ] ceph-mds-all start/running [cephnode03-os5][DEBUG ] Processing triggers for libc-bin ... [cephnode03-os5][DEBUG ] ldconfig deferred processing now taking place [cephnode03-os5][INFO ] Running command: sudo ceph --version [cephnode03-os5][DEBUG ] ceph version 0.72.2 (a913ded2ff138aefb8cb84d347d72164099cfd60) Unhandled exception in thread started by sys.excepthook is missing lost sys.stderr Following the quick install @ http://ceph.com/docs/master/start/quick-ceph-deploy/, step 3 Took a snapshot and continue install (assuming the error is harmless and related to python), I did run into it again when I did " ceph-deploy osd prepare ...", after all the ceph health is reporting "Health_OK". Is that error harmless? If yes please advise. Note: I'm Just exploring ceph for the first time Thanks in advance! Ahmed -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html