The smartThin feature does not allocate all the space in advance. The storage space that the user sees will be larger than the actual allocated space, and the user implements the principle of on-demand allocation for this part of the space.

The active architecture of Huawei's mass storage system ensures load balancing of high-concurrency transaction services. With this architecture, I/OS is evenly distributed to all frontends for access to load balancing.

In Huawei storage systems, the ( ) advanced feature can create a full data copy (that is, the target LUN) of the source LUN at a specific point in time (the time when synchronization is started), and the target LUN can be read and written immediately without waiting for the background copy to complete. . (Please fill in in English)

In the data migration stage after the takeover is completed, please select "Fastest" for the migration rate, so that the migration task can be completed in the shortest time possible, but it has a great impact on business performance.

Huawei OceanStor Pacific series storage systems are designed to implement a proprietary fast switching retry feature, namely the Fastfail feature. The controllable I/O delay of single-point sub-health is mainly realized through two mechanisms: I/O average delay detection and route switching retry.