When all BBUs of the storage controller are damaged, the controller automatically sets the I/O write policy to write-through and locks to ensure data reliability, and cannot be forced to write-back before the fault is recovered.

Which of the following statements is wrong about the N+M:B data protection mode supported by OceanStor 9000?

During the process of the engineer replace the storage array controller, which of the following description is wrong?

Which of the following statements about the SmartCache feature principle of Huawei OceanStor hybrid flash storage is correct?

When migrating an NFS share, if the target side has set the root permission to compress root_squash on the shared directory, using the migration server migration will cause the Unix Node permission to not be accurately migrated to the target side.