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In the process of engineers carry out storage array controller replacement operations, which of the following description is wrong?
In the process of engineers carry out storage array controller replacement operations, which of the following description is wrong?A . Prior to plug the controller, make sure that the business has stopped or has switched to the peer controller.B . before change the business to the opposite end controller, be...
Which of the follwoing are included in the backup strategy formulation principle? (Multiple Choice)
Which of the follwoing are included in the backup strategy formulation principle? (Multiple Choice)A . Measure the data backup frequency according to the importance of dataB . Measure the backup window according to the variationC . Measure the data retention period according to the data sizeD . Measure the backup...
An application's peak value write bandwidth to be 10MB/s; the average write bandwidth is 200KB/s; the average write IO size is 4KB(bandwidth utilization is 70%); If you need to use the OceanStor V3 storage array for data disaster recovery and configure it in asynchronous replication mode, then what is the minimum network bandwidth?
An application's peak value write bandwidth to be 10MB/s; the average write bandwidth is 200KB/s; the average write IO size is 4KB(bandwidth utilization is 70%); If you need to use the OceanStor V3 storage array for data disaster recovery and configure it in asynchronous replication mode, then what is the...
Which of the following SQL statement does not belong to the date definition function?
Which of the following SQL statement does not belong to the date definition function?A . drop tableB . updateC . create indexD . alter tableView AnswerAnswer: B
A customer has 1100GB of data, the backup window is three hours, GE network, to meet the needs of customers, can only choose LAN Free networking.
A customer has 1100GB of data, the backup window is three hours, GE network, to meet the needs of customers, can only choose LAN Free networking.A . TRUEB . FALSEView AnswerAnswer: B
After the OceanStor 9000 is deployed, the appropriate hard disk is automatically selected as the hot spare disk on each node.
After the OceanStor 9000 is deployed, the appropriate hard disk is automatically selected as the hot spare disk on each node.A . TRUEB . FALSEView AnswerAnswer: B
In this process, the maintenance personnel use which the following troubleshooting basic methods?
Maintenance personnel find storage fault indicator light, log management interface and find RAID group downgrade warning, and directly positioned to a hard disk failure. By replacing the hard disk troubleshooting. In this process, the maintenance personnel use which the following troubleshooting basic methods?A . logical reasoningB . Phenomenon AnalysisC ....
In the OceanStor V3 series storage array, two snapshots are performed for one LUN with a capacity of 100 GB, and the source LUN and the snapshot LUN occupy a maximum of 200 GB.
In the OceanStor V3 series storage array, two snapshots are performed for one LUN with a capacity of 100 GB, and the source LUN and the snapshot LUN occupy a maximum of 200 GB.A . TrueB . FalseView AnswerAnswer: B
The following description about the Linux file system, which is correct? (Multiple choice)
The following description about the Linux file system, which is correct? (Multiple choice)A . Each file has one and only one inode for easy indexing.B . Inode resources are limited.C . super block recordes inode information and disk partition information.D . The super block is stored in block 0, the...
For huawei OceanStor V3 storage system prefetch strategy, which is true?
For huawei OceanStor V3 storage system prefetch strategy, which is true?A . smart prefetching is suit for single data flow reading application, or unable to determine whether the reading application is sequentially scene.B . variable prefetching is suit for fixed-size size sequentially reading application. Such as multi-user streaming media on...
