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Which of the following statements is correct about the multi-NameNode feature of Huawei's distributed storage products?
Which of the following statements is correct about the multi-NameNode feature of Huawei's distributed storage products?A . Only one Active NameNode provides metadata servicesB . NameNode is the metadata request processing node of HDFSC . NameNode switching will cause metadata service interruptionD . NameNode is the data read processing node...
A company's business host runs the Linux operating system (CentOS for example). When a storage engineer collects performance data, he needs to use a Linux system performance monitoring tool. Which of the following operations is wrong?
A company's business host runs the Linux operating system (CentOS for example). When a storage engineer collects performance data, he needs to use a Linux system performance monitoring tool. Which of the following operations is wrong?A . Use the top command to view CPU usageB . Use the df command...
In the Huawei OceanStor 9000 version, in order to experiment with unified management of the video surveillance functions of multiple Huawei OceanStor 9000 products, it is necessary to install the UniformView software. Which of the following description is wrong?
In the Huawei OceanStor 9000 version, in order to experiment with unified management of the video surveillance functions of multiple Huawei OceanStor 9000 products, it is necessary to install the UniformView software. Which of the following description is wrong?A . When installing the UniformView software, the user can specify a...
Huawei's heterogeneous virtualization migration solution uses the SmartMigration feature of storage. What are the main benefits of this feature? (Multiple choice)
Huawei's heterogeneous virtualization migration solution uses the SmartMigration feature of storage. What are the main benefits of this feature? (Multiple choice)A . Compatible data migration between heterogeneous storage systemsB . Support online business data migrationC . Convenient performance adjustabilityD . Stable data-consistencyView AnswerAnswer: ABCD
In Huawei OceanStor hybrid flash storage, the data, logs, and modification information of a database application are stored in the primary LUDN1, primary LUN2, and primary LUN3 respectively, and asynchronous remote replication is created for the three primary LUNs. When the primary LUIN2 fails, the database can be started normally through the primary storage system after the data of the primary storage system is restored using the secondary storage system.
In Huawei OceanStor hybrid flash storage, the data, logs, and modification information of a database application are stored in the primary LUDN1, primary LUN2, and primary LUN3 respectively, and asynchronous remote replication is created for the three primary LUNs. When the primary LUIN2 fails, the database can be started normally...
Regarding the remote technology of Huawei OceanStor all-flash storage, which of the following options are features that it can support? (Multiple choice)
Regarding the remote technology of Huawei OceanStor all-flash storage, which of the following options are features that it can support? (Multiple choice)A . Failure switchingB . High and low communicationC . Consistency GroupD . Negative penalty balanceView AnswerAnswer: ABCD
What are the application scenarios supported by LUN migration? (Multiple choice)
What are the application scenarios supported by LUN migration? (Multiple choice)A . Adjust the LUN type (thick, thin, deduplication and compression)B . Adjust the WWN of the LUNC . Adjust the RAID level of the LUND . Adjust the read and write performance of the LUNView AnswerAnswer: ACD
The source end is a third-party storage device and the target end is Huawei OceanStor hybrid flash storage. What are the current migration solutions? (Multiple choice)
The source end is a third-party storage device and the target end is Huawei OceanStor hybrid flash storage. What are the current migration solutions? (Multiple choice)A . Snapshot Migration SolutionB . Local user/group migration solutionC . Cross-protocol migration solutionD . Cross-site migration solutionView AnswerAnswer: AD
Huawei OceanStor all-flash storage system supports IP drift to ensure business continuity and reliability. Which of the following statements about IP drift is wrong?
Huawei OceanStor all-flash storage system supports IP drift to ensure business continuity and reliability. Which of the following statements about IP drift is wrong?A . When "Manual" is selected for the "Failback Mode" of IP drift, the system can switch the service back to the active port only when the...
Distributed storage, file storage and object storage can share storage space with block storage and switch freely.
Distributed storage, file storage and object storage can share storage space with block storage and switch freely.A . TrueB . FalseView AnswerAnswer: B
