Ceph

This can happen when piping ceph's cli output:

# ceph osd df tree | grep -v osd | head -n27
ID   CLASS WEIGHT     REWEIGHT SIZE    RAW USE DATA    OMAP     META     AVAIL   %USE  VAR  PGS STATUS TYPE NAME                            
...
Traceback (most recent call last):
  File "/usr/bin/ceph", line 1270, in <module>
    retval = main()
  File "/usr/bin/ceph", line 1254, in main
    sys.stdout.flush()
IOError: [Errno 32] Broken pipe
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