There are two statements about backups as follows:
Statement 1: The data backed up on the tape can be used for data recovery at any time, but only the historical data at the time of the backup can be recovered, not the data at the time of the failure.
Statement 2: Using tape as the backup medium is the highest RTO backup method.

The SCSI bus assigns a unique ID to each device, and can support up to 8 devices. On the one hand, the device ID is used to address and the other is to identify the priority of the device in the use of the bus.

The engineer believes that the storage engine writes locally, that is, after the data is issued by I/O, the engine writes directly to the local hard disk.

The CoE protocol means to encapsulate the FC protocol into TCP/IP protocol package and transmit it on the Ethernet.

If a company's data is mainly static data (such as video or JPG format files), it will not benefit from the smart tier feature of Huawei Oceanstor storage.