Which is the basal protocol used by SANs for I/O processing?

In a fully redundant SAN infrastructure there is no need to use multipathing software on hosts that run Linux-based operating systems.

Which of the following functions can be achieved by the Oceanstor 9000 administrator through the nfollocator feature? (Multiple choice)

An enterprise plans to create continuous data protection for its instant transaction business, and to ensure that users can read, write, and analyze historical data at different points in time without affecting the business. Which of the following features can achieve this requirement? (Multiple choice)

HyperMetro uses cross-site real-time data mirroring to ensure real-time data synchronization between the storage arrays at two sites. Upon receiving a write I/O, the storage array in a data center generates a write log. In the log, only address information is recorded, but data is not recorded. To ensure performance, log information is recorded in memory space capable of power failure protection.