0에 대한 암호화 설정을 시작할 수 없습니다.

0에 대한 암호화 설정을 시작할 수 없습니다.

무슨 뜻이에요?
문제를 해결하려면 어떻게 해야 하나요?

[root@MYSRV /]# systemctl status [email protected][email protected] - Cryptography Setup for 0
     Loaded: loaded (/etc/crypttab; bad; vendor preset: disabled)
     Active: failed (Result: exit-code) since Fri 2017-01-20 22:00:05 UTC; 4min 19s ago
     Docs: man:crypttab(5)
           man:systemd-cryptsetup-generator(8)
           man:[email protected](8)
  Process: 3176 ExecStart=/usr/lib/systemd/systemd-cryptsetup attach 0 2 * * (code=exited, status=1/FAILURE)
  Main PID: 3176 (code=exited, status=1/FAILURE)

Jan 20 22:00:05 MYSRV systemd[1]: Starting Cryptography Setup for 0...
Jan 20 22:00:05 MYSRV systemd[1]: [email protected]: main process exited, code=exited, status=1/FAILURE
Jan 20 22:00:05 MYSRV systemd[1]: Failed to start Cryptography Setup for 0.
Jan 20 22:00:05 MYSRV systemd[1]: Unit [email protected] entered failed state.
Jan 20 22:00:05 MYSRV systemd[1]: [email protected] failed.

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