Add granular config options for storage mirroring

[MythicManiac]

Make it possible to enable or disable storage mirroring depending on the storage use case via environment variables.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 92.95%. Comparing base (e0ab3ee) to head (5adc34b).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1016 +/- ## ======================================= Coverage 92.95% 92.95% ======================================= Files 314 314 Lines 9070 9070 Branches 806 806 ======================================= Hits 8431 8431 Misses 530 530 Partials 109 109 ```

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