When you need to uninstall Huawei UItraPath host multipathing software, which one of the following operations is correct?

In the iscsi business environment, delete the disk mapping on the host first, and then disconnect all the connections of the host iscsi initiator.Finally execute the UltraPath uninstall command

After stopping the host service read and write, immediately execute the UItraPath uninstall command

In the iscsi business environment, delete the disk mapping on the host first, and then disconnect all the connections of the host iscsi initiator.Finally execute the UltraPath uninstall command

In the FC service environment, after disconnecting all FC host physical ports, execute the UltraPath uninstall command

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 ()

When taking over offline, the camouflage attribute of eDevLUN is "no camouflage"

Online takeover includes configuration of basic camouflage takeover, configuration of extended camouflage takeover, and configuration of third-party takeover

When offline takeover, application server business needs to be suspended

When online takeover uses the multipath software of other vendors, the camouflage attribute of eDevLUN is "basic camouflage takeover"

When taking over offline, the camouflage attribute of eDevLUN is "no camouflage"

Online takeover includes configuration of basic camouflage takeover, configuration of extended camouflage takeover, and configuration of third-party takeover

When offline takeover, application server business needs to be suspended

After a certain company created a scheduled HyperCDP plan for a period of time, it frequently prompted that the storage pool resources were not At this time, you can choose which of the following configuration to modify the timing HyperCD plan ()

Increase the period of timed HyperCDP creation

Shorten the cycle of creating timed HyperCDP

Increase the period of timed HyperCDP creation

Increase the reserved number of HyperCDP

Regarding the members of Huawei's remote replication consistency group, which of the following statements is correct:

The remote replication consistency group and its members must have the same attributes

The master and slave luns of the members of the remote replication consistency group can be in any controller.

All members are synchronized together, split, and master-slave switching

If there is a member replication link failure in the consistency group, the data replication of other members will also be

The remote replication consistency group and its members must have the same attributes

The master and slave luns of the members of the remote replication consistency group can be in any controller.

All members are synchronized together, split, and master-slave switching

If there is a member replication link failure in the consistency group, the data replication of other members will also be

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:

Double write can make the I/O request of the source LUN be issued to the local Cache and the peer Cache at the same time.This ensures the data consistency between the local Cache and the peer Cache.

Only the source and target ends can write successfully to eliminate DLC, otherwise keep DCL

During the dual writing process, the source and target luns have their own DLC record data differences.

Double write can make the I/O request of the source LUN be issued to the local Cache and the peer Cache at the same time.This ensures the data consistency between the local Cache and the peer Cache.

Only the source and target ends can write successfully to eliminate DLC, otherwise keep DCL

The following is the correct statement about Huawei hybrid flash storage SmartQos I/O priority scheduling:

The I/O priority is based on the priority of the LUN where the IO is located. The priority of the LUN is determined by the user according to The business importance of deployment on the LUN is determined

When the hard disk occupancy rate is too high, in order to ensure the reliability of the hard disk, the system will add time to the low priority I/O Delay to control, and try not to affect high-priority I/O

I/O priority scheduling resources include front-end host concurrent resources, back-end hard disk concurrent resources, CPU computing resources and cache resources

The I/O priority is based on the priority of the LUN where the IO is located. The priority of the LUN is determined by the user according to The business importance of deployment on the LUN is determined

When the hard disk occupancy rate is too high, in order to ensure the reliability of the hard disk, the system will add time to the low priority I/O Delay to control, and try not to affect high-priority I/O

I/O priority scheduling resources include front-end host concurrent resources, back-end hard disk concurrent resources, CPU computing resources and cache resources

Which options are correct in the following statements about remote replication consistency groups ()

Different remotely replicated LUNs in a consistency group can be located on different working controllers

All remote replication slave LUNs must be in the same remote storage system

The remote replication in the consistency group must be the same replication mode

Only the primary storage system supports adding remote replication on the system to the consistency group

Different remotely replicated LUNs in a consistency group can be located on different working controllers

All remote replication slave LUNs must be in the same remote storage system

The remote replication in the consistency group must be the same replication mode

Only the primary storage system supports adding remote replication on the system to the consistency group

In order to improve the reliability of its important business, an enterprise deployed in a data center room A and room B With regard to the local active-active solution, which of the following statements is correct about this solution:

The active-active replication network in the two-machine room simultaneously carries data synchronization and heartbeat information between storage systems Sync and other various data

Computer room A and computer room B need to be in the same fault domain

The network types from the same business host to two active-active storage devices can be different

The arbitration server must use the host in computer room A or computer room B

In the following statement about the SmartQuota feature of Huawei OceanStor all-flash storage, which options are correct (

Dtree directory additionally records resource usage and quota limit metadata information

Support resource management and control on the Dtree directory

Update resource usage and quota check during I/O

When creating a quota for an object, the capacity soft quota, capacity hard quota, file soft quota and file At least one of the four hard quotas needs to be configured

Dtree directory additionally records resource usage and quota limit metadata information

Support resource management and control on the Dtree directory

Update resource usage and quota check during I/O

When creating a quota for an object, the capacity soft quota, capacity hard quota, file soft quota and file At least one of the four hard quotas needs to be configured

An enterprise storage device generates a fault alarm. After Engineer A arrives at the customer site, he prepares to collect storage The storage equipment information is passed to R&D for further analysis. What collection methods can Engineer A use to collect information ()

Collect storage system configuration data through the command line

Use DeviceManagerl to collect logs and alarms

Install SmartKit software to collect information

Collect storage system configuration data through the command line

Use DeviceManagerl to collect logs and alarms

Configure the public network IP for the storage, let R&D log in directly to collect information

Install SmartKit software to collect information

Which of the following application scenarios does not belong to the typical application scenario of Huawei hybrid flash storage?

Multimedia applications with capacity requirements above the EB level

Automatic hierarchical storage application

Multimedia applications with capacity requirements above the EB level

High-density virtual machine applications

Which options are correct in the following statements about the features of Huawei HyperVault ()

Support to generate local backup snapshots in seconds to obtain consistent data copies

Support custom backup strategy and copy threshold

When backing up in a remote location, only the initial full backup is performed, and only the incremental data is backed up later

Support to generate local backup snapshots in seconds to obtain consistent data copies

Support custom backup strategy and copy threshold

Support both block storage and file system

When backing up in a remote location, only the initial full backup is performed, and only the incremental data is backed up later

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 ()

For sequential services, the cache capacity does not need to be large, and only needs to meet the I/O consolidation requirements

For write business, more cache capacity means higher write merge rate, write hit rate and better Order of visits

For the read business, more cache capacity means a higher read hit rate

For random services, a larger cache capacity means a better order of access to disks, thus bringing Performance improvement

For sequential services, the cache capacity does not need to be large, and only needs to meet the I/O consolidation requirements

For write business, more cache capacity means higher write merge rate, write hit rate and better Order of visits

For the read business, more cache capacity means a higher read hit rate

For random services, a larger cache capacity means a better order of access to disks, thus bringing Performance improvement

Huawei H13-624 Practice Test 5 - Free Online Exam Prep & Questions

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Huawei H13-624 Practice Test 5

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