In summary, DI can solve the problem of tight coupling between programs and greatly reduce the time developers and testers spend rewriting programs. And in similar scenarios, it becomes much easier to switch services. You can also choose its life cycle and manage resources to make development and maintenance operations orderly. Everyone is a time management master!if the hard drive fails, the data may be lost. two-way mirroring: two copies of data will be written to the storage space, but two hard drives are required.
If only one of the hard drives fails, the data will not be lost. three-way mirroring: three copies of data will be written to the storage space, but three hard canada dataset drives are required. even if two of the hard drives fail at the same time, the data will not be lost. co-location: this is an option that can improve storage efficiency and protect data from loss, but it requires more hard drives.
If you want to not be affected by one hard drive failure, you need at least three hard drives; if you want to not be affected by two hard drives, you need at least three hard drives. e requires at least seven hard drives. size, here you can choose according to your usage situation. the actual hard disk capacity used will be displayed in the "include backup" below. after selecting, click the "create storage space" button in the lower right corner to create a storage space.