A company purchased a set of Huawei distributed storage to provide object storage and file storage services. The administrator is in the system
In the system, users can use object and file services at the same time by allowing HTTP access.
The transmission protocol used by the management network of the object storage service (compatible with OpenStack Swift) is:
In the following RAID levels, if 2 hard drives in the RAID fail, what options are there for data loss ()
Large e-commerce company A uses Huawei hybrid flash storage to ensure its core business. Regarding the SSD storage Memory chip technology, which of the following statements are correct ()
During the data migration process of SmartMigration, the data request issued by the host I/O is communicated.
Synchronize to the source LUN and target LUN in real time by double-write to ensure that the data after the migration is completely consistent. The following statements about double-write are correct.
It is true:
An enterprise’s business data is stored in two data centers, and storage devices from different vendors are deployed.
The SmartVirtualization feature can be used to host and create original LUNs on heterogeneous storage systems in each data center
eDevLUN, and then create an asynchronous remote replication between the eDevLUN and the local LUN on the Huawei storage system at another site to achieve
Data disaster recovery between sites.
The Huawei SmartPartition feature supports setting the same read and write cache capacity for partitions without multiple selections, as follows
Regarding the impact of cache capacity on services with different characteristics, which options are correct () A. For sequential services, the cache capacity does not need to be large, and only needs to meet the I/O consolidation requirements
B. For write business, more cache capacity means higher write merge rate, write hit rate and better
Order of visits
C. For the read business, more cache capacity means a higher read hit rate
D. For random services, a larger cache capacity means a better order of access to disks, thus bringing
Performance improvement
A company purchased a set of Huawei horizontally extended file storage for the video surveillance system, and enabled the read and write fault tolerance of the InfoRevive feature
The mode provides data fault tolerance and configures the data protection level of EC to 4+1. If 2 pieces of data are invalid,
How does InfoRevive feature guarantee business continuity and availability
The following is the correct statement about Huawei hybrid flash storage SmartQos I/O priority scheduling:
The InfoTier feature stores files in different classifications according to the difference of file attributes. Which options are not the basic list that constitutes a classification?
Bit()
Which of the following options is correct for the description of the multi-version function of the bucket:
Single-choice SmartDedupe& SmartCompression technology in Huawei Oceanstor all-flash storage
When writing data, calculate the similar fingerprint (SFP) and weak hash fingerprint (FP) at the same time, if the fingerprint already exists in the local fingerprint table,
Then perform online deduplication; if it is new data, perform compression and save similar fingerprints, and then perform background deduplication.
An enterprise purchased a set of Huawei hybrid flash storage system, and multi-selected plans to configure NAS services to facilitate file storage and
Sharing, which of the following options are correct in planning and design ()
Multiple choice A large Internet company A purchased Huawei hyper-converged storage multiple choice to build an IT infrastructure platform. Which of the following can be applied
Scenes()
Which options are correct in the following statements about the features of Huawei SmartPartitian ()
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