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NEW QUESTION 391
In the OceanStor 9000 system, although a floating IP is configured on a node, when a node is powered off abnormally, its floating IP needs to be manually migrated to other nodes.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 392
A company plans to perform performance tuning on a set of Huawei hybrid flash storage for a decision support system. The storage engineer obtained some information after testing:
1) The size of a single I/O is 64 KB-1MB;
2) The proportion of sequential read I/O is 90%;
3) The average utilization rate of front-end bandwidth is 90%;
4) The host application is a database.
Based on the above information, which of the following performance tuning measures meets the requirements of this scenario? (Multiple Choice)
- A. Tuning using the OLTP model as a reference
- B. Use OLAP model for reference tuning
- C. Increase front-end service bandwidth
- D. Using the SmartCache feature
Answer: B,C,D
NEW QUESTION 393
The file system quota feature is called smartquota, and K computing can control resources separately for users of resources such as ____________, users, and user groups.
- A. Directory
Answer: A
NEW QUESTION 394
What are the possible states of a volume mirror copy in an Ocean Storage hybrid flash system?
- A. Unexpected interruption
- B. Synchronize
- C. Normal
- D. Invalid
Answer: B
NEW QUESTION 395
Huawei's disaster recovery active-active solution needs to enable the long-distance transmission function when the distance is () kilometers.
- A. 50km
- B. 10km
- C. 25km
- D. 1km
Answer: B
NEW QUESTION 396
OceanStorDorad, to ensure stable delay, the controller identifies various I/O priorities.
Which of the following belong to the OceanStor Dorado I/O category? (Multiple Choice)
- A. Refactoring I/O
- B. Cache flush write I/O
- C. Data read/write/O
- D. Advanced Feature I/O
Answer: A,B,C,D
NEW QUESTION 397
In the Huawei HyperMetro active-active data center solution, before configuring an active-active pair, you need to configure an active-active domain, and each active-active pair must be created in the active-active domain.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 398
In Huawei's active-standby disaster recovery solution, Oracle RAC clusters are deployed at the production site to ensure that the disaster recovery database application can still provide services normally when the production end fails. Which of the following statement is correct?
- A. The Oracle RAC Grid file on the production side must be copied to the disaster recovery side
- B. The Oracle data files and log files on the production side cannot be placed in the same consistency group
- C. The disaster recovery terminal must be deployed an Oracle RAC cluster, and cannot deploy an Oracle single node
- D. It is possible to ensure the normal provision of services on the disaster recovery side without copying the FRA file on the production side
Answer: A
NEW QUESTION 399
A customer has a set of Huawei 0oceanStor hybrid flash storage. After the engineer collects the log information, the engineer finds the following print at the time of power-on failure: "0& 1 or 2&3 disk--->not exist", it can be judged that the system failed to start up, the reason is that the coffer disk is not inserted.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 400
In the mixed flash, which of the following statements about the two features of smarttier and smartcache are correct?
- A. If the number of SSDs is small, the utilization of tiered storage disks is higher
- B. Hierarchical storage is recommended if the hotspot data is scattered and changed quickly.
- C. If there are many SSDs and hot data is concentrated, smartcache is the best choice
- D. The random read of a customer's business IO load accounts for more than 60%. Currently, SATA and SAS are used as tiered storage and SSD is used as cache. This can reduce costs and improve performance.
Answer: A
NEW QUESTION 401
OceanStor 9000 is a single file system. Snapshots can use all the space of the whole system.
There is no restriction on the use of snapshot space. Users cannot set the usage threshold of snapshot space.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 402
An enterprise has established active-active data centers in city A and city B.
If the active-active arbitration mode of storage (such as Huawei OceanStor hybrid flash memory) is static priority mode, site A is a static priority site. Which of the following descriptions are correct? (Multiple Choice)
- A. Site A fails and Site B automatically takes over services
- B. If the link between storage systems fails, both site A and site B continue to run services
- C. Site B fails and Site A automatically takes over the service
- D. The link between the host and site A and site B fails at the same time. The status of the active-active pair is displayed as normal.
Answer: C,D
NEW QUESTION 403
Engineer A discovers that the storage is abnormal during routine inspections. He calls the Huawei technical support hotline for help and instructs Engineer A to complete the collection of service host information.
The operating system of the business host is Linux. Which of the following commands are correct? (Multiple Choice)
- A. Execute service firewall stop to close the firewall
- B. Execute the upadmin show upconfig command to view the multipath configuration
- C. Execute the upadmin show vlun command to query all or specified virtual disk information
- D. Run the rpm-ga lgrep UItraPath command to check whether the multipath software is completely installed. If the system displays information about UltraPath, it means that it has been installed
Answer: B,C,D
NEW QUESTION 404
Which of the following statements about high performance technology in HyperMetro are true? (Multiple Choice)
- A. HyperMetro uses the granularity of host I/O to perform concurrent and mutual exclusion on the LBA interval between host I/O accesses and distributed range locks, so as to achieve the purpose of two-way real-time synchronization. This solution can save unnecessary data transmission between arrays. Auxiliary bandwidth, and effectively reduce the number of data transmissions.
- B. The streamlined copy quickly identifies the source of the data copy through the hardware chip. Find the zero data. During the copying process, for the special identification of all zero data, only a small special page is transmitted to the opposite end, and the full amount is no longer transmitted.
- C. In the preferred array mode, when the host service accesses time, the I/O will only be distributed in load balance on the preferred array path set by the user. Arbiter server mode cannot be configured when this mode is configured.
- D. HyperMetro optimizes the data transmission between arrays at the protocol level through the FastWrite function, and applies the First Burst Enabled function of the SCSI protocol, which reduces the link transmission intersection of the write data by half.
Answer: B,D
NEW QUESTION 405
In the homogeneous online migration scheme, the heterogeneous link between the target storage and the source storage only supports FC connection.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 406
In the OceanStor 9000 system, the partition of InfoEqualizer cannot be P.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 407
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.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 408
Which of the following statements about the eDevLUN in the SmartVirtualization feature of Huawei OceanStor all-flash storage are correct? (Multiple Choice)
- A. The eDevLUN consists of two parts: the actual data volume and the metadata volume, and the corresponding relationship between the metadata and the actual data is established through the mapping relationship
- B. The actual physical space occupied by the eDevLUN in the local storage system is the storage space required by the data volume
- C. Application servers can access data on external LUNs through eDevLUNs
- D. eDevLUN refers to third-party heterogeneous device volumes connected to Huawei storage
Answer: A,C
NEW QUESTION 409
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