The initial data capacity of an application is 500GB, and the backup frequency is full backup once a week, and six additional backups. The data storage period for both full backup and additional backup is 4 weeks, and the redundancy ratio is 20%. Then the back-end storage capacity for 4 weeks is?
A vendor's distributed storage system was put into operation for 100 days, running 24 hours a day. A failure occurred in the morning of the 10th day, and it took 1 hour to recover from the failure. A failure occurred in the morning of the 25th day, and it took 4 hours to recover from the failure. A failure occurred in the morning of the 80th day, and it took 1 hour to recover from the failure.
Which of the following is the availability of the software system?
Which of the following storage nodes will configure an SSD as a read cache by default? (Multiple choice)
Storage-layer data replication supports data replication across heterogeneous storage arrays,
The description about the synchronous remote replication of the OceanStor V3 storage array, which is wrong?