In the HUAWEI OceanStor storage system, a customer plans to deploy 3 sets of systems, a set of business systems, to run Oracle database, which requires high random read and write performance; a mail system for daily mail processing; a video system System to save long-term archived videos. When creating LUNs for each system separately, the following about SmartTier policy settings the correct one is? (Multiple choice)
A. Business system: 1.Initial capacity allocation: priority allocation from the performance layer 2.Data migration strategy: move to the low-performance layerWhich of the following descriptions of RAID technology are correct? (Multiple choice)
A. Not every RAID technology can improve write performanceIn RAID 2.0+, the administrator needs to manually set which hard drives are designated as hot spares.
A. TRUEWhen determining hard disk performance, which of the following are relevant. (Multiple Choice)
A. Rotational speed,When the Windows copy program copies local files to the file system, the file system block size of the HUAWEI OceanStor storage system is the default, which ensures the full use of storage space.
A. rightDue to the earthquake, an enterprise's IT system went down at 16:00 on November 11th and the business was stopped. By 23:00 on that day, the IT system resumed operation, and the data at 12:00 on that day could be restored. Then this RTO What is the difference between RPO and RPO?
A. RTO=4 hours, RPO=7 hoursThe steps of asynchronous remote replication multi-point technology, is the following statement correct?
(1)
A new time slice (T2, P2) is generated in the cache of the master LUN and the slave LUN at the start of each replication cycle
(2)
The newly written data of the host is cached in the time slice T2 of the main LUN Cache, responding to the completion of the host
(3)
The master and slave LUNs each release the received data
(4)
Copy the data of time slice T1 directly to the slave LUN and write it to the time slice P2 of the slave LUN
A. (1) (2) (3) (4)Host is a computing system consisting of hard drives or file system that can provide data access and storage.
A. TRUEEach organization independently determines which data should be stored and for how long.
A. TRUESelect the features that are commonly available in High End storage systems.
(Multiple Choice)
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