Update bin/storage workflows to accommodate multiple masters

Summary: Depends on D16847. Ref T11044. This updates the remaining storage-related workflows from the CLI to accommodate multiple masters.

Test Plan:

• Configured multiple masters.
• Ran all bin/storage workflows.
• Ran arc unit --everything.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11044

Differential Revision: https://secure.phabricator.com/D16848