A file system in a clustered NAS system performs heartbeat synchronization between nodes. When the heartbeat is interrupted, the N8000 cluster is split into multiple small groups, resulting in data loss. The N8000 provides a fencing function to avoid the occurrence of the split-brain issue. Which of the following descriptions of the role of fencing correct?

Monitor GAB and check for changes in cluster members

Guarantee a single view of the members of the cluster

In the absence of a single cluster control, to prevent multiple nodes with Volume Manager to access shared storage

Monitor GAB and check for changes in cluster members

Guarantee a single view of the members of the cluster

In the absence of a single cluster control, to prevent multiple nodes with Volume Manager to access shared storage

cluster abnormal recovery automatically master node

SmartVirtualization is an important value-added feature of Huawei OceanStor V3 storage system. Which of the following is correct about its principle and related concepts? (multiple choice)

For external LUNs, the local storage system can set value-added functions such as remote replication, snapshots, etc.

smartVirtualization uses multipathing software to connect heterogeneous storage in a multipath-redundant manner

The local storage system does not occupy the local storage system when using LUNs in heterogeneous storage systems

For external LUNs, the local storage system can set value-added functions such as remote replication, snapshots, etc.

smartVirtualization uses multipathing software to connect heterogeneous storage in a multipath-redundant manner

smartVirtualization Dictate write data write efficiency is higher than the write-back efficiency

Which of the following describes Youtube, Facebook and other content warehouse sites data storage? (multiple choice)

unstructured data high proportion

large amount of data, rapid growth

unstructured data high proportion

large amount of data, rapid growth

data unit GB value of high density

Which of the following is correct regarding the vmware link cloning function?

Linked clone virtual machines take up less space than cloned virtual machines

Linking Cloned VMs behave just like cloned VMs

Linked Clone A virtual machine is a complete clone of a cloned virtual machine

Linked Clone The virtual machine is a standalone virtual machine

Linked clone virtual machines take up less space than cloned virtual machines

Which of the following are the basic principles of storage troubleshooting? (multiple choice)

Locate the exterior first, then the interior

First find the high-level alarm, then the low-level alarm

Find the common first alarm, after the individual alarm

Locate the exterior first, then the interior

First perform an alarm analysis, then use the replacement method

First find the high-level alarm, then the low-level alarm

Find the common first alarm, after the individual alarm

Which of the following is correct regarding the ext3 file system fault repair?

mount the damaged file system, the direct implementation of fsck to repair

Use the mount command to view the file system mount status is read-only

mount the damaged file system, the direct implementation of fsck to repair

should not be arbitrary on the normal operation of the fsck file system

By collecting, var / log / message host log information to locate file system failure

Which statements are true about Huawei OceanStor V3 HyperMirror feature? (Multiple Choice)

A LUN stores 2 GB of data. Create a mirror LUN for this LUN. During the creation, the system automatically generates a copy. The total data amount of the copy and mirror LUN is 4 GB.

HyperMirror can be configured for external LUNs, and external LUNs can be configured as HyperMirror copies.

When configuring HyperMirror, its copies must come from different disk domains.

Create a mirror LUN for a common LUN. Due to internal information exchange, the LUN ID for hosts' read and write I/Os changes based on the information exchange result.

A LUN stores 2 GB of data. Create a mirror LUN for this LUN. During the creation, the system automatically generates a copy. The total data amount of the copy and mirror LUN is 4 GB.

HyperMirror can be configured for external LUNs, and external LUNs can be configured as HyperMirror copies.

When configuring HyperMirror, its copies must come from different disk domains.

Enable SmartMigration on OceanStor V3 and start a migration task with SmartMigration. Before migration, suppose the LUN ID and the data volume ID of the source LUN are 1 and 2 respectively while the LUN ID and the data volume ID of the destination LUN are 3 and 4 respectively, what are they after migration?

Source LUN: 3 and 1Destination LUN: 4 and 2

Source LUN: 1 and 3Destination LUN: 2 and 4

Source LUN: 1 and 4Destination LUN: 3 and 2

Source LUN: 3 and 1Destination LUN: 4 and 2

Source LUN: 2 and 4Destination LUN: 1 and 3

A customer plans to deploy three application systems on an OceanStor V3 storage system. The first is a service system that carries Oracle databases, and it requires high random read and write performance. The second is a mail system used to process daily mails. The third is a video system used to archive video files. Which SmartTier policy settings are correct for creating LUNs for each application system? (Multiple Choice)

Initial capacity allocation: Allocate from the performance layer first

Data relocation policy: Lowest relocation

Initial capacity allocation: Allocate from the performance layer first

Data relocation policy: Lowest relocation

Initial capacity allocation: Automatic allocation

Data relocation policy: Automatic relocation

Initial capacity allocation: Allocate from the capacity layer first

Data relocation policy: Automatic relocation

Which statement is true about RAID 2.0+?

Chunks in a CKG may come from different storage pools.

Chunks in a CKG may come from different types of disks.

A LUN consists of extents or grains.

Chunks in a CKG may come from the same disk.

Chunks in a CKG may come from different storage pools.

OceanStor 18500 uses RAID 2.0+ virtualization architecture. Which statement is false about planning and configuring storage with RAID 2.0+?

Both thick and thin LUNs can be created in the same storage pool.

If the performance tier of a storage pool uses the 8D+1P RAID policy, the owning disk domain of the storage pool must have at least 9 SAS disks.

The hot spare space of a storage pool comes from each member disk of the storage pool.

A storage pool can have three storage tiers, and each tier can have more than one RAID policy.

Which statements are false about the file system quota feature of OceanStor V3? (Multiple Choice)

You can move files (NFS protocol) or cut files (CIFS protocol) across quota trees.

A hard link cannot be established between two different quota trees.

An administrator can delete non-empty quota trees through CLI or GUI.

A quota tree can be shared using a protocol. In addition, a quota tree that is being shared cannot be renamed or deleted.

You can move files (NFS protocol) or cut files (CIFS protocol) across quota trees.

A hard link cannot be established between two different quota trees.

An administrator can delete non-empty quota trees through CLI or GUI.

Which statements are true about Huawei OceanStor V3 WORM feature? (Multiple Choice)

A locked file will shift to the expired state if the file system WORM clock value is greater than the file atime value.

After the WORM file system compliance clock has exceeded the file expiration time, an appending file will shift from the appending state to the expired state.

Only files of 0 byte can shift from the locked state to the appending state.

When a file is in the locked state, the file protection duration can be manually prolonged or shortened.

A locked file will shift to the expired state if the file system WORM clock value is greater than the file atime value.

After the WORM file system compliance clock has exceeded the file expiration time, an appending file will shift from the appending state to the expired state.

Only files of 0 byte can shift from the locked state to the appending state.

To use the storage space of OceanStor V3 more efficiently, a customer has specified file system quotas for different departments. If a soft quota alarm is generated for the file system used by department A, which methods can be used to clear the alarm and ensure that new data can be successfully written? (Multiple Choice)

Enable SmartDeduplication for the file system used by department A.

Expand the file system quota for department A.

Enable SmartCompression for the file system used by department A.

Delete the files that department A does not need to use.

Enable SmartDeduplication for the file system used by department A.

Expand the file system quota for department A.

Enable SmartCompression for the file system used by department A.

Which commands are used to view SCSI controller information in RHEL5.5 (with Qlogic QLE2562-CK inside)?

cat / proc / scsi / qla2xxx/* | grep port

As shown in the figure, the main features of this backup network mode are: (Multiple Choice)

Backup tasks will consume few LAN resources.

Backup tasks will consume few CPU resources of the production system.

Backup tasks will consume a lot of LAN resources.

Backup tasks will consume few LAN resources.

Backup tasks will consume a lot of CPU resources of the production system.

Backup tasks will consume few CPU resources of the production system.

Which statement about SmartMigration functions is false during a SmartMigration-based migration?

If multiple LUNs are used by a service, consistency splitting cannot be performed before stopping services.

If multiple LUNs are used by a service, the LUNs must undergo a consistency splitting after the migration.

If multiple LUNs are used by a service, consistency splitting cannot be performed before stopping services.

For higher migration speed and storage performance, a migration task can be deleted as soon as it is completed.

It is recommended to perform consistency splitting in off-peak hours.

A customer's database application is running on an OceanStor V3 storage system. The database uses six LUNs. The customer wants to migrate data from the OceanStor V3 storage system to an OceanStor 18000 series storage system based on the functions provided at the storage side. Which statements are true? (Multiple Choice)

If you use the HyperReplication function to migrate data on multiple LUNs used by the database, you must add multiple remote replication tasks to one consistency group.

After data is migrated using HyperCopy or HyperReplication, services can be started without the need to make any configuration on the host.

If data is migrated using HyperCopy, the migration speed can be dynamically changed during the copy process.

If you use the HyperReplication function to migrate data on multiple LUNs used by the database, you must add multiple remote replication tasks to one consistency group.

The HyperReplication function can implement online data migration.

After data is migrated using HyperCopy or HyperReplication, services can be started without the need to make any configuration on the host.

If data is migrated using HyperCopy, the migration speed can be dynamically changed during the copy process.

Which of the following are characteristics of the SmartVirtualization-based Data Migration Solution? (Multiple Choice)

It does not consume any host resources.

It is lower in migration cost than gateway-layer solutions such as those based IBM SVC, and EMC VPLEX.

It delivers higher migration speed than host-layer solutions.

It does not consume any host resources.

It is lower in migration cost than gateway-layer solutions such as those based IBM SVC, and EMC VPLEX.

It requires services to stop only once, and the service stopping occurs after the migration.

It delivers higher migration speed than host-layer solutions.

Many "log file switch" wait events are observed during Oracle performance diagnosis, which ways can be used to optimize the performance? (Multiple Choice)

Increase the number of log groups.

Increase the concurrency and throughput for archiving the log file.

Migrate the log file to the high performance layer.

Increase the number of log groups.

Increase the concurrency and throughput for archiving the log file.

Mainstream virtualization technologies include hardware virtualization (Hypervisors) and operating system virtualization (Containers). Which are key characteristics of hardware virtualization? (Multiple Choice)

Multiple VMs simultaneously run on a single physical server.

VMs on the same server are isolated from each other.

A VM encapsulates the entire system into one or more files.

Multiple VMs simultaneously run on a single physical server.

VMs on the same server are isolated from each other.

A VM encapsulates the entire system into one or more files.

A VM on one server can run on another server without any modification.

Huawei H13-629 Practice Test 9 - Free Online Exam Questions 321-360

The Huawei OceanStor storage system uses asynchronous multi-time cache for asynchronous remote replication to make the remote asynchronous RPO index of the LUN reach the second level.

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