The following options do not belong to the advantages brought by the global cache:
A. Improve cache space utilization
B. Improve cache data access hit rate
C. Improve overall system performance
D. Improve system safety and reliability
On the basis of inheriting the high reliability design of OceanStor storage system, HyperMetro has newly designed some solutions Case-level high-reliability technology maximizes the reliability of the storage active-active solution. HyperMetro's high-reliability technology is mainly reflected in.
Which of the following? (multiple choice)
A. Cross-site cluster
B. Cross-site data real-time mirroring
C. Arbitration to prevent split brain
D. Cross-site bad block repair
Through Huawei OceanStor 9000 Device Manager, we can view the real-time OPS performance indicators of the system.
A. True
B. False
The LUN size relationship between production storage and disaster recovery storage configuration remote replication is: the capacity of the secondary LUN is greater than or equal to the capacity of the primary LUN.
A. True
B. False
When using Huawei OceanStor BCManagereReplication to configure primary and secondary disaster recovery, which of the following operations is not necessary of?
A. Add storage devices and hosts
B. Create a protection group
C. Configure the site
D. Configure the host group
Among the following OceanStor 9000 software features, which feature can provide file system snapshots?
A. InfoLocker
B. InfoStamper
C. InfoProtector
D. InfoEqualize
It is a necessary step to create a consistency group in Huawei's active-standby disaster recovery solution.
A. True
B. False
File-level deduplication is also called single-instance storage (SIS). It checks the attributes of the files to be stored according to the index and compares them with the stored files. For comparison, if there is no identical file, store it and update the index, otherwise only store the pointer to the existing file.
A. True
B. False
Which of the following statements about backup networking LAN-free and Server-free is correct?
A. Server-free generates a copy during data backup, and the copy will be mounted to the backup server.
B. Server-free networking can directly back up the backup data to the backup medium.
C. LAN-free backup networking has no impact on production hosts.
D. The path of LAN-free backup data stream is production storage -> backup server -> backup media.
The disadvantages of choosing cloud storage as a backup medium are: (single choice)
A. Capacity is not easy to expand
B. Backup media needs to be managed
C. Need high bandwidth network
D. Not easy to deploy
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