A colleague suggests running SmartErase on several disks at once to make sure all dab is deleted.
This is:

Which of the following options are the enhanced features of Huawei InfoTurbo? (Multiple choice)

If a customer does not require high backup performance and the application type on production server is as the same as it on the management server, it is not necessary to deploy an independent media server in a data backup management system. Instead, a media server module can be installed together with a management server module on the same physical server.

Parallel deduplication provides PB-level data backup to common disks. The processing speed and data capacity can increase linearly as the number of nodes in the deduplication grid grows.

A customer uses Huawei Oceanstor 9000 to store its massive files. In order to facilitate sharing among multiple departments, a dedicated directory is created for each department. After running for a period, storage resources become tight. The reason is that some departments overuse the storage space on Oceanstor9000. Therefore, the customer can limit the use of space by setting quotas on the directories of these departments to ensure that other departments can use Oceanstor 9000 storage resources normally.