Disk division:
1. Code disk and software installation disk: a separate disk guarantees the migration at any time. The code must be clear.
2. Data disk: a separate disk to ensure that the data can be moved at any time.
3. Work data disk.
Disk division:
1. Code disk and software installation disk: a separate disk guarantees the migration at any time. The code must be clear.
2. Data disk: a separate disk to ensure that the data can be moved at any time.
3. Work data disk.