There are two businesses A and B in the storage system of an Internet company.
resource. This leads to longer time for other businesses. Among them, business is a transaction processing application, B business is an analytical query application, Need to ensure the immediate response of A business. In order to solve this problem, the engineer assigned that the QOS of the A service is higher than the service.

When selecting storage devices, if the business requires a single hard disk IOPS greater than 3000, which of the following hard disk types can be selected select()

The following statements about Thin lun and multi-select Thick LUN of Huawei Oceanstor storage are wrong:

In an OceanStor 9000 system, the total number of nodes is 10, and the data protection levels that can be configured for it can be:

A vendor's distributed storage system was put into operation for 100 days, running 24 hours a day. 10th day A failure occurred at noon, 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. 80th One failure occurred in the morning, and it took 1 hour to recover from the failure. The availability of the software system is ()