When downloading Huawei flash storage system logs, DHA runtime logs, or HSSD logs, the system first collects logs of different controllers and displays the log collection status in a list on the page. After the collection is complete, the system downloads related logs according to each controller.
The O&M training material defines the diagnostic information available through DeviceManager. It states that DHA runtime logs are disks' daily running logs, including disk-health statistics, I/O statistics, and service-life information. It also states that HSSD logs contain S.M.A.R.T. information and disk running logs. The same section states that DeviceManager provides Download Recent Log or All Logs for configuration, event, and debugging information, as well as Download DHA Runtime Log or HSSD Log for disk runtime, I/O, service-life, and S.M.A.R.T. information. In a multi-controller Huawei storage system, diagnostic information is distributed among controllers. The log-download operation therefore performs the collection stage before producing the controller-associated downloadable packages. This design ensures that the final log set reflects information from the relevant controllers rather than only the management controller.
The Training Materials explicitly document the available log categories and DeviceManager collection mechanisms; the controller-by-controller collection progress is part of the operational log-download workflow.
Study Guide Topics: Data Storage Management and O&M Collecting Storage System Information DeviceManager System Logs DHA Runtime Logs HSSD Logs.
Storage engineers can manage and maintain the storage system on the CU. For example, as a super administrator, run the______command on the CU to view historical version information of the storage
system. (Enter a complete command.)
The command required is:
show upgrade package
The storage O&M section distinguishes current-version inspection from upgrade-package and historical-version management. For the current running version, the Training Materials explicitly instruct the administrator to log in to the CLI as a super administrator, run show system general, and check Product Version.
Historical upgrade information is associated with the software upgrade/package subsystem rather than the general system-information query. Therefore, show upgrade package is used to display information about storage-system upgrade packages and the historical software-version information retained by the system.
This distinction is operationally important. show system general tells the engineer what software version is currently active, whereas show upgrade package is used when examining the upgrade history/package information maintained by the controller environment. Huawei's O&M course also treats controller upgrades as a controlled lifecycle process involving imported upgrade packages, pre-upgrade inspection, upgrade execution, and result verification.
Study Guide Topics: Data Storage Management and O&M Storage System Operation Management Version Information Controller Software Upgrade Upgrade Package Management.
When data is migrated based on logical volume management (LVM) in Linux, which of the following commands can be used to create a volume mirror?
Huawei explicitly states under Working Principle of the Mirroring Function of Volume Management Software:
''Add the target storage to a VG before the mirroring.'' ''Run the lvconvert command to mirror LVs.'' ''After the mirroring, remove the source storage and the data migration is complete.''
Therefore, the correct answer is B. lvconvert.
In an LVM-based migration, both the source and target physical volumes are made available within the appropriate volume group. lvconvert converts the existing logical-volume layout into a mirrored configuration so that LVM creates and synchronizes another copy of the logical volume on the target storage.
The HCIE Lab Guide also demonstrates lvconvert during the migration workflow. Once synchronization is complete, the mirror can later be split, allowing the target-side image to become the active migrated copy while the original source-side image can be preserved temporarily for rollback.
lvmigrate, hrmirror, and lvexport are not the command used by Huawei's documented Linux LVM migration workflow for creating the mirror.
Study Guide Topics: Data Migration Solution Host Volume Management Software Linux LVM Volume Mirroring lvconvert.
In large-scale scenarios, multiple OceanProtect Appliances need to form a backup cluster that supports unified management and scale-out. Which of the following statements about planning and configuration are true?
The OceanProtect product-series section identifies X6000, X8000, and X9000, and shows X6000 as the mid-range platform and X8000/X9000 as higher-end systems. It also documents that OceanProtect supports both scale-up and scale-out, with a scale-out system reaching up to 9.2 PB physical capacity and 155 TB/hour. The software architecture further places multi-device management in the OceanProtect management layer, which is the basis for centrally managing multiple backup-storage nodes as one protection environment. For hybrid clustering, the higher-capability platform assumes the cluster-management roles while compatible lower-tier systems act as members. Therefore, X8000 can head a cluster containing X6000 members, and X9000 can head a cluster containing X8000 members. X3000 belongs to a different product category and is not mixed with X6000 in the proposed configuration.
Study Guide Topics: OceanProtect Backup Storage Product Overview Product Series Scale-Up and Scale-Out Software Architecture Multi-device Management.
Huawei's storage data migration system can be divided into multiple layers. Each layer corresponds to different migration solutions. Which of the following is the migration solution corresponding to the host file system layer?
The correct answer is C. MigrationDirector for NAS.
Huawei's technical structure for storage migration separates migration solutions according to the layer at which data is accessed and moved. The official training diagram associates NAS storage migration with the file-system layer and identifies MigrationDirector for NAS as the dedicated migration tool.
NAS data exists as files and directories exposed through file protocols rather than as raw SAN block devices. MigrationDirector for NAS therefore works with file-system-oriented migration workflows. Huawei's NAS migration procedure uses a migration server, configures a migration task, performs initial synchronization, applies access permissions and quotas as required, then performs incremental synchronization and service cutover.
MigrationDirector for SAN belongs to block/SAN migration rather than the host file-system layer. Similarly, a generic block migration tool would operate below the file-system abstraction.
Therefore, for the host file system layer, the dedicated Huawei migration solution is MigrationDirector for NAS.
Study Guide Topics: Data Migration Solution Technical Structure File System Layer NAS Migration MigrationDirector for NAS.
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