When configuring an on-premises StorageZone you are required to choose a passphrase, this is regardless of whether you choose to use encryption.
From Citrix eDocs the passphrase:
A phrase used to protect your file encryption key. Be sure to archive the passphrase and encryption key in a secure location.
You must use the same passphrase for each StorageZones Controller in a zone. The passphrase is not the same as your account password and cannot be recovered if lost. If you lose the passphrase, you cannot reinstall StorageZones, join additional StorageZones Controllers to the StorageZone, or recover the StorageZone if the server fails.
Note: The encryption key appears in the root of the shared storage path. Losing the encryption key file, SCKeys.txt, immediately breaks access to all StorageZone files. Be sure to back up the encryption key file as part of your normal datacenter procedures.
It is extremely important to…
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