Systemctl asks for LUKS passphrase when the device has already been decrypted.

Solution In Progress - Updated -

Issue

  • systemd prompts for a passphrase for (an already open) device if the crypttab/fstab listing(s) do not match the existing mapping on the system.

  • The system will print out the following message at inappropriate times

Password entry required for 'Please enter passphrase for disk Virtual_disk (luks-xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx) on <device-name>!' (PID XXXXXXX).
Please enter the password with the systemd-tty-ask-password-agent tool!

Environment

  • Red Hat Enterprise Linux 7
  • LUKS devices

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