ENG-5374 reapply fix and skip crc if its not a supplied deployment.
add comments
fix double get
Merge branch 'master' into ENG-5374
Merge branch 'master' into ENG-5374
Merge branch 'master' into ENG-5374
ENG-5374 review changes to log messages.
Merge pull request #921 from VoltDB/ENG-5374

Eng 5374