When selecting the data backup type, which of the following descriptions is wrong?

Which of the following state changes of a WORM filesystem require manual operation: (Multiple Choice)

Huaweiのコンバージドストレージには、並列高速データ再構築の機能があります。データフラグメントはリソースプールで分割されます。ハードディスクに障害が発生した後、フルリソースプール内で並列に自動的に再構築できます。別のホットスペアディスクなしで、実際のデータのみが再構築されます。

When the Oceanstor 9000 balance strategy switch is turned off, in the scenario of expanding nodes, deleting or disabling nodes, adding hard disks, hard disk failures, and slow disks. The system does not generate a balancing task, but if the node is deleted and the balancing strategy switch is turned on, the system will automatically complete the data balancing.

Huawei storage products implement the active/passive data center solution based on HyperMetro. Applications are categorized so that some applications are running in data center A and hot backed up in data center B while other applications are running in data center B and hot backed up in data center A, thereby achieving the active-active effect.