usage: gatekeeperDumpMetaData -G gkpStore [p] [...]

  -G gkpStore [p]  dump reads from 'gkpStore', restricted to
                   partition 'p', if supplied.

  -libs            dump information about libraries
  -reads [-full]   dump information about reads
                     (-full also dumps some storage metadata)

  -stats           dump summary statistics on reads

  -b id            output starting at read/library 'id'
  -e id            output stopping after read/library 'id'

  -r id            output only the single read 'id'

ERROR: no gkpStore (-G) supplied.