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The Huawei Oceanstor 9000 InfoTier file pool policy will determine the storage location of files created and when files are re-striped.
Which one of the following statements about the file pool strategy is incorrect?
Before deploying and implementing storage devices, you need to plan and design storage solutions. Which of the following options are in planning and design
Action to be performed when ()
A company’s business runs on Huawei’s distributed storage, where user data services use block services.
And turn on the deduplication function. In the peak period of user data business, it is necessary to give priority to ensuring the performance of the front-end business. Which heavy method will the storage system use?
()
You can use the InfoLocker feature of Oceanstor 9000 to meet the business scenario of one write and multiple read
Which of the following options are the shortcomings of HDFS components? A. Remote replication feature is not supported
B. Low hardware fault tolerance
C. File system performance bottlenecks are likely to occur under large-scale deployment
D. Low capacity utilization and high cost
Which of the following options does not belong to the characteristics of the distributed storage big data service solution single-choice solution ()
Which of the following functions are included in the eService LLDesigner tool?
Which of the following options describes the single-choice feature of Huawei Distributed Storage Intelligent Load Balancing incorrectly?
What are the advantages of Huawei's scale-out file storage over traditional NAS storage multi-choice systems?
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 ()
The remote replication feature is mainly used in disaster recovery and backup scenarios. Which of the following statements about the remote replication feature is correct:
Which of the following types of nodes provided by Huawei Oceanstor 9000 include? (Multiple choices)
Object services use Bucket Policy to control access to buckets or buckets by a single user or multiple users
The access rights of the objects can control which specific object operations ()
OceanStor9000 supports clients with different protocols to access the same directory or file at the same time. E.g. Windows client
Client (CIFS protocol), Linux client (NFS protocol), Mac OS X client (CIFS protocol or NFS protocol)
What professional storage value-added features does the HDFS interface provide for Hadoop business? (multiple choice)
There are two businesses A and B in the storage system of an Internet company.
resource. This leads to longer time for other businesses. Among them, business is a transaction processing application, B business is an analytical query application,
Need to ensure the immediate response of A business. In order to solve this problem, the engineer assigned that the QOS of the A service is higher than the service.
The quota type used by a user is capacity quota, and the single-selection of quota side is mandatory quota. The recommended threshold for this user’s capacity is
The value is 3GB, the soft threshold is 4GB, the hardware threshold is 6GB, and the grace period is 10 days. Which of the following options is incorrectly described
of?
When planning the front-end service network IP address for the C72 node of Huawei Oceanstor 9000, you need to plan for each node
4 static front-end IP addresses
Single selection In the Huawei Oceanstor 9000 system, which of the following functions or parameters will be disabled will affect the InfoTier function?
In the Oceanstor 9000 storage system, which system resources can be controlled by the Infollocator feature? (multiple choice)
What are the necessary components included in the architecture of the N80OONAS system? (multiple choice)
The single-choice clustered NAS system uses cluster volume management technology on the basis of full interconnection of data channels and communication channels to provide full connectivity.
Bureau’s storage management. Any node in the cluster can access the same-storage space with the same volume device name, ensuring that the block device can access
consistency
In the Huawei Oceanstor 9000 system, a file pool refers to a collection of files that meet certain characteristics. The file pool policy defines
The rules of how the file pool is stored in the node pool.
Which of the following options does not belong to the single-selection structure of Huawei's distributed storage network architecture
In scenarios where customers have high requirements for file read and write performance, if the performance calculation application scenario, the backend of Oceanstor 9000 has been
With 10GE networking, what type of network should customers recommend for the front-end business network? (Multiple choice)
When a user uses Systemreporter to analyze his production equipment and selects Oceanstor 9000, he finds some nodes in a certain partition
The CPU utilization rate exceeds 80%, but the average CPU utilization rate is about 50%. In addition, it is found that the read and write bandwidth of a node has always been kept at a constant level.
More than 80% of the performance specifications, while other nodes are below 60%. In this scenario, which load balancing strategy is recommended?
Regarding the Huawei Oceanstor 9000 software version upgrade, the correct statement is: (multiple choice)
Operation and maintenance engineer A consults the Huawei All-Flash Storage Manual about the process of hardware trusted and safe boot,
The following sequence is correct () ?Verify Grub's signature public key ?Verify the status of the software signature certificate ?Verify and load Grub?Verify
And load the OS
Which of the following is the correct power-on sequence of the Huawei distributed storage system? A. Cabinet-->Switch-->Node---KVM
B. Cabinet-->KVM--Switch--->Node
C. Cabinet-->Node-->KVM---Switch
D. Cabinet-->Switch-->KVM-->Node
Single choice Which of the following is not a feature of the Huawei WushanFS file system
A Performance and capacity can be expanded separately
B. Fully symmetrical distributed architecture,
C. Metadata nodes Metadata is evenly distributed, eliminating the performance bottleneck of metadata nodes
D. Support 40PB single file system
In a city, if the Municipal Public Security Bureau needs to regularly archive the video surveillance within the jurisdiction of each police station, in such an application
In the scenario, if the solution provided by Oceanstor 9000VIRC30 is adopted, which of the following node types should be recommended for customers?
Which one of the following descriptions about InfiniBand technology is wrong?
Huawei Oceanstor 9000 (30) infoEqualizer function is restricted by license, including dynamic application name, static
Domain name and partition function, support scheduling load in polling mode
Multi-select Huawei Oceanstor 9000 During the software installation process, you also need to apply for some temporary IP addresses for the back-end business network.
For the description of these temporary|P addresses, the correct one is: (multiple choice)
In the software module of Huawei Oceanstor 9000, it belongs to the distributed object storage layer, not the distributed file system layer
It is: (multiple choice)
Regarding Huawei hybrid flash storage, which of the following statements is correct ()
Single choice, the underlying virtualization of the N8000 cluster NAS system is realized through the VxVM component. The virtual objects managed by VxVM are: VM
Disk, Disk Group, Subdisk, Pick, which one of the following explanations is correct?
After purchasing Huawei's all-flash storage devices, when planning the basic storage business, which of the following options must be planned ()
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
The game live broadcast platform A uses Huawei’s all-flash storage to protect its business.
Designed FlashLink technology. Which of the following statements are correct for writing the ROW scores in large block order
The back-end storage network interfaces of FusionStorage block, file, and object storage clusters must be completely isolated.
When the corresponding physical clusters share a pair of CE6800 switches, VLANs need to be divided to distinguish the back-end storage networks of different clusters. A. True
B. False
HyperMetro guarantees the real-time synchronization of data between the storage arrays of the two sites through the cross-site data real-time mirroring function.
The data center array needs to record the write log when it receives the write I/O. Only the address information is recorded in the log, and the specific write data content is not recorded. The log
Use memory space recording with power-down protection capability to obtain good performance.
Which of the following statements about the deployment of Huawei's active-active data center is correct: (multiple choice)
When maintaining the N8500 clustered NAS, I cannot log in to the N8500 clustered NAS system with the master account. It is possible
The reasons are: ()
The characteristics of cross-domain unified management of data backup include: (multiple choice)
Huawei storage products provide data center active-active solutions based on HyperMetro. By classifying services,
Part of the business is dominated by data center A, and data center B is hot standby, and some of the businesses are dominated by data center B, and data center B
For hot standby, in order to achieve the effect of dual-active.
Single choice The daily inspection performance indicators of the big data storage system include
The data capacity of site A is 2000GB. The data capacity of site B is 3000GB. The data of site B is remotely replicated.
If it is saved to site A, the back-end storage capacity required by site A is (the re-deletion ratio is 3):
If the user has logged in to Simpana before installation and single-selected Administrative Console, the installed section after logging in
The point cannot be displayed in the client list (not even after refreshing). At this time, you need to exit the Simpana Administrative Console and then
Log in again to see the newly installed node.
In the HyperMetro active-active data center solution, data centers A and B are included. When the array of data center A fails
At the time, which of the following statements is correct: (multiple choice)
Which of the following storage units does the Huawei N8000 cluster NAS system use?
The following descriptions of the software features of the QceanStor 9000 system are correct:
Single choice The inforeplicator feature of Oceanstor 9000 (C30) product can support synchronous and asynchronous remote replication at the same time.
In the Huawei data protection plan, the failure types are divided into multiple selection logic errors, equipment failures, data center failures, and zone failures.
Territorial disaster. Among them, the ones with the highest "annual frequency" and "single loss" are: (multiple choice)
In the Huawei backup solution, Server-Free backup networking involves snapshot technology, which component initiates the snapshot creation
Build order.
(single choice) Which load balancing method does the Huawei OceanStor 9000 InfoEqualize feature not support?
In the Huawei dual-active disaster recovery solution, which of the following situations must use Fibre Channel connection?
The disaster recovery feature of a storage product has an RPO of 30 minutes and an RTO of 15 minutes. Which of the following statements is correct: (multiple choice)
(single choice) Which load balancing method does the Huawei OceanStor 9000 InfoEqualize feature not support?
(multiple choice) The network file sharing protocols supported by the NAS system mainly include:
The following description of the principles of making a backup strategy is wrong:
The OceanStor backup solution architecture includes three parts: the central site, branch sites, and remote backup sites.
Only the backup system can be deployed at the backup site, not the production system.
Which of the following are typical application scenarios of Huawei's active-active disaster recovery solution? (multiple choice)
In the file system backup scenario, under the premise of satisfying the backup window and making full use of bandwidth, try to ensure that the backup strategy is independent and timely.
Between the separation.
The correct statement about the HyperMetro arbitration server model is: (multiple choice)
(multiple choice) The value of Huawei OceanStor 9000 InfoTier is reflected in:
(multiple choice) OceanStor 9000 adopts Erasure code technology to protect data. If a site has 6 nodes,
And the customer wants to ensure that the data can be recovered even if three disks are broken in one strip, the redundancy protection levels that can be adopted are:
Which option is not included in the three elements of Huawei's main-standby disaster recovery program information survey?
When using Huawei OceanStor BCManagereReplication to configure primary and secondary disaster recovery, which of the following operations is not necessary
of?
(multiple choice) Which of the following is correct in IDC's description of the characteristics of big data?
Based on the HyperMirror technology of the Huawei OceanStor storage array to achieve application-level local high availability, heterogeneous array failure
Zero data loss and zero business interruption (RPO=0, RTO=0).
In the Huawei dual-active disaster recovery solution, the peak write bandwidth of an application needs 10MB/s, and the average write bandwidth needs 200KB/s.
The average write I/O volume is 4KB, and the bandwidth utilization rate is 70%. What is the bandwidth required for the application to deploy asynchronous remote replication?
Regarding source deduplication, which one of the following descriptions is incorrect?
(multiple choice) The value of Huawei OceanStor 9000 InfoTier is reflected in:
When selecting the type of data backup, which option is wrong in the following description?
During the installation of Commserver, if cS and Agent are on the same network segment, there is no need to configure the hosts file.
Pieces.
(single choice) The network connection is required before the initial configuration of the big data system. The networking of Huawei OceanStor 9000 does not include:
(single choice) Which of the following is the correct power-on sequence of the Huawei OceanStor 9000 big data storage system?
Send a control command through the backup server, first take a snapshot (or other similar operations) of the data volume that needs to be backed up,
Make a copy, then use the backup server to mount the snapshot volume, and use the backup server to back up the data on this volume to the backup
On the device. What type of backup networking is described in the above workflow?
In a disaster recovery solution, Huawei remote replication technology is used and a consistency group is established. Which of the following statements is correct?
In the HyperMetro dual-active data center solution, the quorum server mode has higher reliability than the static priority mode.
It can ensure the continuous operation of the business under various single point of failure scenarios. Therefore, Huawei's dual-active solution recommends the use of the arbitration server model. A. True
B. False
(multiple choice) The network file sharing protocols supported by the NAS system mainly include:
Before deploying a disaster recovery plan, which information needs to be collected to choose more? (multiple choices)
In the Huawei OceanStor backup solution, when configuring the backup software to create a storage strategy, you need to consider which of the following configurations
Module, (multiple choice)
Regarding Simpana's global deduplication, which one of the following statements is correct?
On the basis of inheriting the high reliability design of OceanStor storage system, HyperMetro has newly designed some solutions
Case-level high-reliability technology maximizes the reliability of the storage active-active solution. HyperMetro’s high-reliability technology is mainly reflected in
Which of the following? (multiple choice)
Compared with ordinary file backup, the components that need to be deployed when deploying VMware backup are:
What is the main difference between using synchronous remote replication and asynchronous remote replication in the Huawei disaster recovery solution?
Which of the following statements about the SmartVirtualization feature of Huawei OceanStor Hybrid Flash
The option is correct ()
Regarding the members of Huawei's remote replication consistency group, which of the following statements is correct:
Which statements are correct in the following description of storage networking methods ()
The QoS characteristics of object services. For applications with different priorities, different buckets can be configured, and the TPS of the bucket can be controlled through QoS.
As well as the allocation of bandwidth resources; for VIP tenants and ordinary tenants in the same system, different QoS strategies can be configured to ensure high-quality
The quality of service for advanced tenants.
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.
Regarding the description of the big data storage and calculation separation solution, which menu option is wrong ()
When purchasing a storage device, the available capacity is less than the actual hard disk capacity. Which of the following possible reasons is correct ()
Which of the following is the maintenance software supported by Huawei's hybrid flash storage products?
In the application scenario of sequential writing, for RAID10, the more single-select disks, the better.
A company uses Huawei Distributed Storage Block Service to run data services, and the development team needs to use business data for
Data mining and testing without affecting business data. Which of the following descriptions are correct
To access the object storage service (compatible with the OpenStack Swift interface), which of the following types of servers must be authenticated by the user.
An enterprise purchased a set of Huawei distributed storage system, and now it needs to plan and deploy the network. Which of the following options
The plane is the networking plane that must be planned ()
Which of the following is not a component that must be single-selected in the architecture of the NAS system?
What is wrong about quota and statistics description among the following options:
The Huawei SmartCache feature is to form a smart cache pool of SSD disks, and divide the smart cache pool into multiple partitions.
District, different businesses cannot share districts to ensure business independence
Designed FlashLink technology. Which of the following statements are correct for the cold and hot data diversion technology ()
The HyperLock (WORM) feature of Huawei Storage enables the single-selection of files to be written only once, cannot be written repeatedly, and is not allowed to be modified, deleted, or renamed.
The Huawei SmartVirtualization feature supports multiple selections for offline takeover and online takeover. The following is about these two methods.
Which of the formulas 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 mail application service has limited storage resources, so a quota is set for the business user, and the soft quota for user A is 500 MB.
The hard quota is 800 MB. Under this configuration, which of the following statements are correct ()
Single Choice Company A plans to adopt hyper-convergence to realize the rapidly changing information needs of the enterprise. The following items are the architectural features of hyper-convergence
()
When selecting storage devices, if the business requires a single hard disk IOPS greater than 3000, which of the following hard disk types can be selected
select()
A company purchased a set of Huawei horizontally extended file storage for the video surveillance system, and configured the InfoRevive feature
When providing fault-tolerant functions for video surveillance systems, which fault-tolerant modes can be selected
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()
With Huawei’s intelligent distributed storage products, clusters can only provide block storage and object file storage connections for upper-layer applications.
The block service provides a linked clone mechanism and supports the creation of multiple snapshots based on a cloned volume. Each snapshot volume has just been created
The data content at the time of arrival is consistent with the data content in the clone volume, and subsequent modifications to the clone volume will not affect the original snapshot and other clones
roll.
HyperCDP can generate more and more intensive recovery points for the data on the storage device. HyperCDP copies are at a certain point in time Full copy backup of source data.
Regarding the high-reliability architecture of Huawei's all-flash storage, which of the following statements are correct () A. Tolerate 7 successive failures
B. Storage system components adopt dual redundant design
C. Tolerate single engine failure
D. Tolerate simultaneous failure of 2 controls
Hyper-convergence is a data center architecture that can uniformly collect computing capacity, file storage, memory, and network, and is like a public entity.
Independent management.
The following is the correct statement about Huawei hybrid flash storage SmartQos I/O priority scheduling:
The object service provides multi-tenant management capabilities, and the data in the single selection of different tenants can be physically
Isolation makes it easy to divide resources.
A bank’s production center and disaster recovery center both use Huawei’s hyper-converged storage products. The two centers communicate Disaster recovery through asynchronous replication. The copied network type can support GE/10 GE/25 GE
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
The correct ideas and methods for 9000DeviceManager server failure are as follows to solve Oceanstor: (multiple choice)
Single choice Which one of the following descriptions about the VCS service in the clustered NAS system is incorrect?
In the feature of Huawei Oceanstor 9000InfoReplicator. Pair is a data replication relationship, which describes data replication
The source and destination of the, the following statement about the state transition of the Pair is incorrect (multiple choice)
Which of the following scenarios is more suitable for adopting the FusionInsight Hadoop technology of Huawei Oceanstor9000? (Multiple choice)
Operation and maintenance includes a variety of capability requirements, not only product technology, but also management systems, processes, etc.
Elements.
Huawei Oceanstor 9000 storage system adopts hierarchical security maintenance. What is not the security content of the application layer?
In the Huawei storage system, which of the following statements about rolling back HyperCDP are correct ()
Multiple choice The description about the analysis and adjustment of the CIFS transmission size of the Oceanstor 9000 system is wrong: (multiple choice)
Multiple choices of Huawei Oceanstor 9000. Which of the following designs can improve the reliability of the system? (Multiple choices)
Which of the following descriptions of the software components of the Huawei 0 ceanstor 9000 product is correct?
What is the incorrect description of the features of Huawei 0 ceanstor 9000lnfoTier and related concepts?
What are the factors that affect the performance of the Huawei Oceanstor 9000 client? (Multiple choice)
Scale-out is an architecture for horizontal expansion. This architecture mainly responds to the needs of rapid data growth and complex changes.
And challenges. Which of the following options are included in the characteristics of the Scale-out architecture? (multiple choice)
Single choice In Oceanstor 9000, what is the wrong understanding of WushanFS global cache technology?
An OceanStor 9000 storage system consisting of 6 P36 nodes, which of the following are composed of? (multiple choice)
When planning the IP address of the back-end storage network of the OceanStor 9000 IB network deployment plan, you need to plan for each node
2 back-end storage IP addresses and 1 temporary IP address
The initial data capacity of an application is 500GB. The backup frequency is 1 full backup every week, 6 additional backups, full backup and additional backup
The data retention period is 4 weeks, and the redundancy ratio is 20%. Then the back-end storage capacity for 4 weeks is:
Which of the following ideas and methods to solve the problem of QceanStor9000 DeviceManager. server is correct is:
Single choice In Oceanstor 9000, which of the following component applications requires license support.
What is the automatic load balancing method that Huawei OceanStor 9000 InfoEqualizer supports by default for single selection?
Multi-choice Hua is what node types does Oceanstor 9000 (V100R001C30) support?
Single choice When the Oceanstor 9000 street leveling strategy switch is turned off, when expanding the node, delete or disable the node, add hard disks, and hard disks.
Failure and slow disk scenarios. The system does not generate a balancing task, but if the node is deleted and the balancing strategy switch is turned on, the system will automatically finish
Into data balance.
Colleagues customized Huawei’s primary and backup disaster recovery solutions for customers. Customers have already selected one set of OceanStor 2600TV2 and one set of third
In the storage system of the third party, the two sets of equipment are placed in two data centers to implement the main and backup disaster recovery. This solution:
Which of the following problems may be faced in the management of massive big data?
Before designing a backup plan, you need to conduct research. What aspects need to be considered during the research? (multiple choices)
A storage cluster has five C72 nodes. The front and back 10CF networking mode is adopted. In the hybrid deployment of distributed system services and pairs
For storage services, the number of IP addresses that need to be planned for the front-end business network is:
Single choice Huawei oceanstor 9000 has no effect on device management, whether it is an online software version upgrade or an offline upgrade version.
ring.
When configuring the Simpana backup software, the configurable single-selection deduplication strategy does not include:
In the HyperMetro active-active data center solution, if there is a bad block on a member LUN of an array, the following statement is incorrect
Which is it?
Single-choice Oceanstor 9000's wiselink and smartconnecet technologies are different, which one of the following?
A disaster recovery project adopts the single-choice solution of Huawei's network layer complete space snapshot method, and starts to create a snapshot of the source volume at 9:00, 9:
The snapshot is created at 10 o'clock. During this process, the source volume is being written. Which of the following statements is correct?
The three elements of the CAP principle of a distributed database system are: Consistency, Availability, and Partition Capacity.
Tolerance Partition tolerance. Regarding the statement of the three elements of CAP followed by the database, which of the following descriptions are correct? ()
In OceanStor 9000, if a hard disk is offline for 15 minutes, the data recovery method on the hard disk is as follows.
The system calculates the data on the hard disk and restores these data to other normal hard disks.
C72 is a large-capacity archive node device with a height of 4U, but it can also be fully equipped with 72 SAS disks to accommodate some Scenarios with high performance and capacity requirements.
Single choice If a client of Huawei Oceanstor 9000 requires that after one of its connection channels fails, other channels can be used
Continue to transmit data without interruption of business, one of the necessary conditions is that the client must support the SMB3.0 protocol
Single choice Which one of the following statements about preparing the N8500 before configuration is incorrect?
The backup software architecture of the ceanStor backup solution includes: (multiple choice)
Through Huawei OceanStor 9000 Device Manager, we can view the real-time OPS performance indicators of the system
Single choice If the Huawei N8000 clustered NAS system has 6 engine nodes and 4 5500T back-end storage, each engine node has
8 business network ports, how many IP addresses need to be planned in total?
Which of the following service interfaces does the Huawei N8000 clustered NAS system provide?
Huawei's end-to-end active-active data center solution is divided into 6 layers, the six layers are:
Which of the following options describe the reasons for the rapid development of enterprise-level cloud storage: (multiple choices)
In the Oceanstor 9000 storage system, which of the following system resources can be controlled by the InfoAllocator feature?
multiple choices. The possible causes of common business failures in the Huawei Oceanstor 9000 storage system include: (multiple choices)
Single choice Which of the following options is incorrect for the description of the metadata of the Oceanstor 9000 storage system?
Multi-selection Which of the following functions can be achieved by the Oceanstor 9000 administrator through the nfollocator feature (multi-selection)
What is wrong about the concept description of object storage service (compatible with OpenStack Swift interface) among the following options:
When OceanStor V3 creates a remote replication pair, which of the following is the default synchronization speed?
The following description does not belong to the features of 0ceanStor9000:
Huawei’s hyper-converged storage adopts a distributed hash algorithm, and single-selects HASH calculation and local memory metadata, which can be
The bottleneck can be arbitrarily expanded horizontally.
Mean Time Between Failures (MTBF) is a description of the operation of the product
The average continuous time between failures during use or testing.
The following single-choice descriptions that do not belong to the features of the horizontally extended file storage function are:
How does the InfoScanner feature send the single-selected file path that needs to be checked and killed to the disease prevention?
Poison proxy server
A company purchased multiple sets of Huawei distributed storage, deployed them in multiple data centers, and used object service remote replication to build a disaster recovery system.
If these distributed storages are planned in the same area, then this area has one and only one default cluster, and other clusters are non-default clusters.
Identify the cluster.
Through the InfoAllocator feature, which of the following multi-select functions can be achieved by the administrator?
Multiple choice Internet company A uses Huawei's hyper-converged infrastructure to build the company's information platform, which significantly improves the reliability of the platform.
Which of the following options reflects this feature ()
The following statements about Thin lun and multi-select Thick LUN of Huawei Oceanstor storage are wrong:
When using the InfoLocker feature for file protection, multiple file selections can be changed between which states
A company purchased a set of Huawei distributed storage, and used QoS flow control technology to control user I/O when deploying block services.
Control, which mechanism can be used to manage the I/O queue ()
During the processing of the IO stack of Huawei’s distributed big data service, the computing component sends the request to the
DataNode module, which returns file metadata information
A company purchases two sets of Huawei horizontally extended file storage, which are deployed in the production data center and the disaster recovery data center. The storage administrator needs to
To create a replication zone channel between two storage systems, which of the following option descriptions is correct ()
For the compression function of Huawei Distributed Information Block Service, which option radio description is correct
The IntoTier feature is also called automatic hierarchical storage, which stores files on storage devices with the same performance according to file attributes, and
Realize the automatic migration of files between storage devices.
Single selection Huawei’s converged storage has the function of parallel and fast data reconstruction. Data fragments are scattered in the resource pool. After a hard disk fails, the Automatic and parallel reconstruction within the entire resource pool, only the actual data is reconstructed, and no separate hot spare disk is required.
An enterprise purchased a distributed storage system, which contains 50 nodes. Engineer C is
Before deployment, plan and design the installation and deployment of the storage system, and follow the recommended reference configuration. When planning the network configuration, you need to plan
Use aggregation switches.
Huawei all-flash storage devices need to be planned and multi-selected before deployment. Which of the following options are required for storage networking
To plan ()
DASH Copy is an optimized auxiliary copy, which copies all data blocks from the source disk library to the target disk library each time.
The following describes the characteristics of which kind of backup networking
1. Occupy larger existing network bandwidth.
2. The backup performance is limited.
3. It has a certain impact on the host application.
Which of the following descriptions are correct about the data backup strategy? (Multiple choice)
(multiple choice) OceanStor 9000 adopts Erasure code technology to protect data. If a site has 6 nodes, and the customer hopes that even if three disks are broken in one strip, the data can still be restored. The available redundancy protection levels are as follows:
(single choice) The network connection is required before the initial configuration of the big data system. The networking of Huawei OceanStor 9000 does not include:
Colleagues customized Huawei dual-active disaster recovery solutions for customers. Customers already have a set of OceanStor S5500TV2 and a set of third-party systems.
In the storage system, the two sets of equipment are placed in two data centers to implement active-active disaster recovery. The solution:
The parameters to be considered when configuring the backup data retention strategy include the policy retention period, retention cycle, and the number of write streams.
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
E. A.1 wrong 2 right
F. B. 1 wrong 2 wrong
G. C. 1 pair 2 pairs
H. D. 1 right 2 wrong
The storage capacity of site A is 2543GB. The storage capacity of site B is 3000GB. The storage capacity of site B is 3000GB.
The backup data is remotely copied to site A and saved. Consider the case of replication compression, the compression ratio is 3, and the back-end storage capacity required by site A is calculated.
What is the amount?
Initiate quiescing of the application before the snapshot, and then trigger the hardware storage snapshot to create an application-consistent snapshot copy. Via snapshot
The backup copy is used for data backup, eliminates the data backup time window, does not interrupt the production system business at all, and achieves the difference of data
Save it locally and improve the reliability of the data.
(single choice) Among the following OceanStor 9000 software features, which feature can provide file system snapshots? A. InfoLocker
B. InfoStamper
C. InfoProtector
D. InfoEqualize
There are 1040GB files that need to be backed up, the backup window is 6 hours, and the GE network and media end deduplication, then the following statement is correct
Yes: (multiple choice)
(Judgment) FusionStorage Block uses a unique data block slicing technology and data based on DHT Hash
The routing algorithm can evenly distribute the data of the volume to the fault domain of a larger resource pool, so that each volume can obtain a larger
IOPS and MBPS performance also makes the load of each hardware resource relatively balanced.
TESTED 13 Sep 2025