Statement 1: There is an interconnection line between the controllers of the storage system. If one of the controllers is broken, the working controller belonging to the LUN managed by it will be switched to a working controller.
Statement 2: The working controller and the owning controller of a LUN must be unified into one controller.

What statement about the SATA and SAS technologies is true?

What are the main functions of the business continuity solution? (Select All that Apply)

Description 1: A RAID consisting of several hard disks is called a physical volume.
Description 2: RAID 5 can improve the read and write rate and provide a certain degree of data security, but when there is a single hard disk failure At this time, read and write performance will be greatly reduced.

What are the main elements of the disaster recovery system? (Multiple choice)