Which of the following descriptions of SmartQuota file system quota technology is wrong?

The customer purchased several Huawei OceanStorPacific storages for deploying NAS file services. During the use of this file service, it is usually necessary to allocate and restrict resources to users based on the SmartQuota feature.

Which of the following descriptions of SmartQuota file system quota technology is wrong?
A . If an alarm is generated and needs to be eliminated, SmartQuota’s processing strategy is generally to eliminate the alarm immediately when the user’s used resources are lower than the soft quota.
B . SmartQuota is suitable for file service scenarios. Administrators can configure different quotas for different QuotaTrees to limit the resources used by users of the corresponding directories.
C . The entire I/O operation and quota update either succeeds completely or fails completely
D . During each I/O operation, check whether the used capacity and number of files in the quota plus the incremental capacity and files of this operation will exceed the hard quota. If so, the operation fails. Otherwise, the operation succeeds.

Answer: A