타임머신 기능은 그 유용성을 잊고 살다가도, 몇 년에 한번씩 유용할 때가 있다.
작업 결과를 다음 날 아무 생각 없이 지워버렸다가 식은 땀을 흘릴 때는 타임 머신을 찾게 된다.
10여년 전에 산 타임 캡슐의 HDD 용량이 딸린다고 느낄 때 즈음에 NAS로 갈아타면서 타임 머신을 NAS의 특정 디렉토리에 afp 로 물려 놓았다.
그 동안에는 NAS에 타임 머신이 잘 물리다가, MacOS가 26으로 업데이트 되면서 에러를 내뿜기 시작했다.
그래서 구글링을 했고 해결책을 찾았다.
https://discussions.apple.com/thread/256137390?sortBy=rank
[Precheck]
Please kindly follow the steps below to change settings on your Mac.
- Open Terminal on macOS, and edit /etc/nsmb.conf with vi:
sudo vi /etc/nsmb.conf - Change the value of signing_required from no to yes:
signing_required=yes - Press the Esc key, then type ZZ or :wq to save the changes and exit vi.
- Reboot your Mac.
Once you have completed the steps above on your Mac, please continue with the steps below to check settings on both your NAS and Mac.
[On your Synology NAS]
- Ensure that DSM is properly configured for Time Machine backups. Try creating a new shared folder and set it as the Time Machine backup folder, rather than using the original one.
- Ensure your NAS has enough free space.
- Make sure the following options are selected in Control Panel > File Services > SMB > Advanced Settings > General:
- Maximum SMB protocol: SMB3 (Note: Time Machine backups require SMB3, so please change it back to SMB3 if it was modified.)
- Enable Opportunistic Locking
- Enable SMB2 Lease
- Enable SMB Durable Handles (Cross-protocol file locking will be disabled)
- Confirm the following options are enabled or properly set in Control Panel > File Services > Advanced> Bonjour:
- Enable Bonjour service discovery to locate Synology NAS
- Enable Bonjour Time Machine broadcast via SMB
- Set Time Machine Folders