In Huawei's all-flash storage system, in order to reduce the probability of data hot spots on the SSD disk, the (ROW large block sequential write) method is adopted for all writes. Each write…

In Huawei's all-flash storage system, in order to reduce the probability of data hot spots on the SSD disk, the (ROW large block sequential write) method is adopted for all writes. Each write request is written by allocating new Flash particles to achieve a balanced erase and write count of the Flash particles.