After the cache mirroring function between the two controllers of the Huawei OceanStor all-flash storage array is enabled, the data in the cache between the two controllers is exactly the same, and the failure of a single controller will not affect the availability of data.

In Huawei storage systems, the storage ( ) tool can pool storage resources and manage them in a unified manner. (Please use English)

Which of the following steps are included in the performance tuning process of the storage layer?
(Multiple Choice)

Which of the following descriptions about smartcache are correct? (Multiple Choice)

In the backup scenario of the Huawei data backup all-in-one machine, the deduplication types can be classified according to the granularity. Which of the following granularity of deduplication is used for online deduplication?