[Feb-2023] The Best HCIE-Storage Study Guide for the H13-629_V2.5-ENU Exam [Q215-Q229]

QUESTION 215
An enterprise plans to purchase a set of storage devices. The enterprise business has different requirements for storage performance. Which of the following descriptions is wrong when planning and designing hard disk selection?

QUESTION 216
For various storage product portfolios, Huawei has launched a series of data management software to support the management, operation and maintenance of different storages. Which of the following data includes? (Multiple Choice)

QUESTION 217
Regarding the protocol used by the mirror channel between controllers of Huawei Oceanstor hybrid flash storage, which of the following statement is correct?

QUESTION 218
Which of the following scenarios will trigger Huawei OceanStor hybrid flash storage to perform hard disk recovery and reconstruction? (Multiple Choice)

QUESTION 219
A company’s data center deploys a set of Huawei hybrid flash storage, and the storage engineer uses the trust feature to protect the LUN data. The storage engineer’s misoperation leads to the loss of all storage LUN data. You can use snapshots to restore production data.

QUESTION 220
Huawei OceanStor Pacific series storage systems are designed to implement a proprietary fast switching retry feature, namely the Fastfail feature. The controllable I/O delay of single-point sub-health is mainly realized through two mechanisms: I/O average delay detection and route switching retry.

QUESTION 221
When a hard disk failure occurs in the Huawei hybrid flash storage system, the system will take the hard disk offline, and the hard disk online diagnosis module will read the ( ) information of the hard disk, perform a series of analysis, testing, and recovery measures for the faulty disk, and restore the normal hard disk. Connecting back to RAID extends the service life of the hard disk.

QUESTION 222
The effective capacity of the storage device is less than the actual disk capacity. Discrepancies may be caused by hot spare space, coffer disks, RAID parity data or metadata.

QUESTION 223
A company has purchased a Huawei hybrid flash memory system as a decision support system and plans to make performance adjustments.
After testing, storage engineers can obtain the following information:
1) The size of each I/O ranges from 64KB to 1MB
2) The percentage of sequential read I/Os is 90%.
3) The average utilization rate of front-end bandwidth is 90%.
4) The host application is the database.
Based on the above information, which of the following performance adjustment measure are not appropriate for this situation?

QUESTION 224
In the design of disaster recovery scheme, RTO and RPO are the most basic standards. For example, if the recovery needs to start within half a day after a disaster occurs, the RTO value is 12 hours.

QUESTION 225
During the processing of the I/O stack of Huawei’s distributed big data service, the computing component sends the request to Node module through hdfs_client, and returns the file metadata information.

QUESTION 226
The FusionStorage software architecture can be divided into business system and management system. The ( ) of business system uses the plog interface for data storage, including multiple copies, EC data balance and reconstruction, and manages disks and reads and writes data through OSD/VDB.

QUESTION 227
Which of the following products cannot Huawei distributed storage block storage be integrated with?

QUESTION 228
Which is the wrong description about the data switch of Huawei OceanStor hybrid flash storage system?

QUESTION 229
There are 96 disks in a disk domain of Huawei OceanStor hybrid flash storage system. In order to fully utilize the performance of the hard disks, it is recommended that the total number of LUNs in the disk domain should not be less than ___.