Huawei's hyper-converged storage uses a distributed hash algorithm, which of the following processes occur on the server side ()
A. Write cache
B. Partition mapping OSD
C. Map the location on the disk
D. Hash calculation Partition
An enterprise plans to purchase a set of storage equipment. According to the IOPS requirements of the enterprise's business, a single hard disk needs to be stored. The supported IOPS is 3000. Considering the cost factor, it is recommended to use which of the following hard drives best meets the requirements of the enterprise
A. SAS SSD
B. FC SSD
C. SAS HDD
D. NL SAS HDD
Single-choice Which one of the following descriptions about the Oceanstor 9000Wushan file system is wrong?
A. Wushan file system manages the underlying data as objects, which simplifies the management method and metadata overhead
B. Wushan file system adopts object storage mode, and does not need to provide users with a traditional system tree structure for users to use
C. The data object of the Wushan file system is composed of a set of Stripes (stripes), and the strips are generated by the Erasure Code matrix operation.
D. Each object of the Wushan file system is a complex of data and data attribute sets. The data attributes can be set according to the application, including data distribution and service quality.
In the Huawei 0ceanstor 9000 software architecture, the distributed object storage layer is built on the basis of the distributed file storage layer.
A. True
B. False
A customer uses Huawei Oceanstor 9000 to store its massive files. In order to facilitate sharing among multiple departments, a Dedicated catalog. After running for a period of time, the storage resources became tense, analyze the reason is that some departments are overused 0ceanstor9000, so the customer can limit the use of space by setting quotas on the directories of these departments. To ensure that other departments can use 0ceanstor 9000 storage resources normally
A. True
B. False
The following description does not belong to the features of 0ceanStor9000:
A. Self-developed distributed file system OceanStor DFS supports massive unstructured data storage and realizes a global unified namespace.
B. Provide object storage services, compatible with Amazon S3 interface and compatible with OpenStack Swift interface.
C. Support for docking Fusionlnsight Hadoop/Cloudera Hadoop packaged by open source Hadoop components, allowing users easily build an enterprise-level big data analysis platform.
D. Distributed metadata management, supporting linear expansion of 3~4000 nodes exhibition.
Which of the following backup types is correct for the order of the space occupied by the backup media is:
A. Full backup>Cumulative incremental backup>Differential incremental backup
B. Cumulative incremental backup>differential incremental backup>full backup
C. Incremental backup>full backup>cumulative incremental backup
D. Full backup>Differential incremental backup>Cumulative incremental backup
For the description of Huawei Oceantor9000 products, which of the following options is incorrect?
A. Oceanstr 9000 adopts non-comprehensive symmetrical architecture
B. Oceanstr 9000 provides flexible and seamless expansion of 3-288 nodes
C. Oceanstor 9000 system adopts fully interconnected and fully redundant networking mode
D. Oceanstor 9000 adopts distributed cluster architecture, no single point of failure
Which of the following special single options is mainly used for Huawei's two-site three- center disaster recovery solution?
A. HyperMirror
B. HyperMetro
C. HyperClone
D. HyperReplication
In the Huawei remote replication solution, which of the following statements is correct?
1.
Synchronous remote replication technology can achieve RTU=U, RPO=0,
2.
Write data directly to the local storage, and quickly roll back and restore data through snapshot technology
A. 1 wrong 2 right
B. 1 wrong 2 wrong
C. 1 pair 2 pairs
D. 1 right 2 wrong