Huawei pacific products can be used for content storage, backup and archiving scenarios. The obvious features of this scenario are real-time online business throughput ( ), frequent access to hot data, and data that needs to be stored for a long time. Online access needs are referenced.

SmartCache, as a write cache service module in the storage system, uses SSD disks as an extension of RAM Cache in the storage system, and cache the clean hot data that it can't store for the RAM Cache.

An enterprise has an online transaction system and an email system in a 30 TB storage resource pool. The backup system created 3 Thin LUNs of 10TB. Since the company is just starting out, there is very little data on the online transaction system and mail system. However, the amount of old data that needs to be imported into the backup system is about 20 TB, which exceeds the size of the Thin LUN, resulting in a write failure.

Check the running performance of the storage system through DeviceManager, and you can learn the real-time and long-term status of the service performance of the storage system.

The client has sufficient resources to prepare the price, and the production network resources are relatively tight. It is planned that the amount of data to be fully prepared once a week is between 1-2T, the backup window is 3 hours, and the source deduplication is used, and the deduplication ratio is 3, the bandwidth utilization is 0.8. Which of the following networking can meet the backup service requirements with the least investment?