Podcast
Questions and Answers
Regarding Ext3 file system failure repair, which statement is incorrect?
Regarding Ext3 file system failure repair, which statement is incorrect?
- File system failures can be located by collecting Pvarflog/message host log information
- Do not arbitrarily perform fsck on a normally running file system (correct)
- For damaged file systems in the mounted state, directly execute fsck to repair them
- You can use the mount command to check whether the file system is mounted in a read-only state.
When adding a host to a SmartQoS policy, which function is not supported?
When adding a host to a SmartQoS policy, which function is not supported?
- Burst flow control management (correct)
- Minimum protection
- Flow Control Management
- A host can only be added to one policy.
Which technology is used in Huawei's all-flash storage products to count and analyze data activity, dynamically matching data of different activity levels with storage media?
Which technology is used in Huawei's all-flash storage products to count and analyze data activity, dynamically matching data of different activity levels with storage media?
- SmartThin
- SmartQos (correct)
- SmartTier
- HyperSnap
An FC HBA card is primarily used to connect which devices?
An FC HBA card is primarily used to connect which devices?
Intelligent classification technology is deployed on devices with different media types to monitor data in real time. Data that has not been accessed for a long time is classified as which type?
Intelligent classification technology is deployed on devices with different media types to monitor data in real time. Data that has not been accessed for a long time is classified as which type?
In the SAS protocol architecture, what describes the interface between the link layer and the transport layer?
In the SAS protocol architecture, what describes the interface between the link layer and the transport layer?
A tool supports multi-vendor device adaptation and unified management of various hardware and software. It has a componentized architecture and can build an enterprise operation and maintenance platform. It has lightweight and Web-based features. Which tool fits this description?
A tool supports multi-vendor device adaptation and unified management of various hardware and software. It has a componentized architecture and can build an enterprise operation and maintenance platform. It has lightweight and Web-based features. Which tool fits this description?
In Huawei OceanStor Dorado V6 series products, what color is the light of the disk enclosure positioning indicator?
In Huawei OceanStor Dorado V6 series products, what color is the light of the disk enclosure positioning indicator?
In a storage system, what can be configured to prevent the loss of alarm data when the capacity of alarm information reaches a set threshold?
In a storage system, what can be configured to prevent the loss of alarm data when the capacity of alarm information reaches a set threshold?
Which of the following statements about storage virtualization is incorrect?
Which of the following statements about storage virtualization is incorrect?
After circuit maintenance is completed in a computer room, which equipment power-on sequence is correct?
After circuit maintenance is completed in a computer room, which equipment power-on sequence is correct?
In IP SAN network architecture, which hardware completes the ICP/IP message conversion on the host side?
In IP SAN network architecture, which hardware completes the ICP/IP message conversion on the host side?
If an HBA card that supports iSCSI is used to process iSCSI requests, where are the SCSI instructions processed?
If an HBA card that supports iSCSI is used to process iSCSI requests, where are the SCSI instructions processed?
Which of the following descriptions of the overall characteristics of the SAN active-active solution is wrong?
Which of the following descriptions of the overall characteristics of the SAN active-active solution is wrong?
Given the iSCSI initiator implementation methods: (1) Software Initiator Driver, (2) TOE card, (3) iSCSI HBA card. What is the correct order in terms of performance, from high to low?
Given the iSCSI initiator implementation methods: (1) Software Initiator Driver, (2) TOE card, (3) iSCSI HBA card. What is the correct order in terms of performance, from high to low?
For the first maintenance project of data center storage, which operations are needed?
For the first maintenance project of data center storage, which operations are needed?
During routine inspection, an operation and maintenance engineer finds an alarm on a storage device and needs to quickly maintain it. Which operation is incorrect?
During routine inspection, an operation and maintenance engineer finds an alarm on a storage device and needs to quickly maintain it. Which operation is incorrect?
When configuring SmartQoS, if the user does not configure the priority attribute of the created LUN or file system, which priority will be used by default?
When configuring SmartQoS, if the user does not configure the priority attribute of the created LUN or file system, which priority will be used by default?
In DME Storage function features, which is not part of the protection automation feature?
In DME Storage function features, which is not part of the protection automation feature?
Which scale-out expansion technology is used by Huawei OceanStor Dorado V6 storage?
Which scale-out expansion technology is used by Huawei OceanStor Dorado V6 storage?
Compared with the internal bus IO of traditional DMA, what resources does RDMA realize direct transfer between application software at two endpoints through the network?
Compared with the internal bus IO of traditional DMA, what resources does RDMA realize direct transfer between application software at two endpoints through the network?
Which reconstruction method is used when writing to the disk during the period when the disk is inaccessible?
Which reconstruction method is used when writing to the disk during the period when the disk is inaccessible?
The virtualized data in the storage pool consists of metadata volume and data volume. Which does the metadata volume not contain?
The virtualized data in the storage pool consists of metadata volume and data volume. Which does the metadata volume not contain?
For a TCP message that encapsulates the iSCSI protocol, which part is not included?
For a TCP message that encapsulates the iSCSI protocol, which part is not included?
A company's IT system administrator is responsible for the configuration management of Huawei's OceanStor hybrid flash storage system. Which SmartMigration configuration is correct?
A company's IT system administrator is responsible for the configuration management of Huawei's OceanStor hybrid flash storage system. Which SmartMigration configuration is correct?
Which of the following memory types is generally considered non-volatile?
Which of the following memory types is generally considered non-volatile?
A storage administrator needs to present a logical storage unit to a host. What is the correct term for this unit?
A storage administrator needs to present a logical storage unit to a host. What is the correct term for this unit?
Which of the following network types is commonly used in Storage Area Networks (SANs)?
Which of the following network types is commonly used in Storage Area Networks (SANs)?
Regarding data archiving, which term refers to the process of removing redundant copies to save space??
Regarding data archiving, which term refers to the process of removing redundant copies to save space??
What is the primary goal of implementing SmartTier in a storage system?
What is the primary goal of implementing SmartTier in a storage system?
What does RDMA primarily improve compared to traditional DMA?
What does RDMA primarily improve compared to traditional DMA?
In a storage system, what is the role of a BBU (Battery Backup Unit)?
In a storage system, what is the role of a BBU (Battery Backup Unit)?
Which of the following is a key characteristic of scale-out storage architectures?
Which of the following is a key characteristic of scale-out storage architectures?
What is the function of thin provisioning?
What is the function of thin provisioning?
In a client-server model, which sharing protocol do the clients and servers use to communicate over a network?
In a client-server model, which sharing protocol do the clients and servers use to communicate over a network?
What is the role of the data link layer in the PCle protocol stack?
What is the role of the data link layer in the PCle protocol stack?
A company wants to implement a disaster recovery solution. Which of the following is most critical to determine first?
A company wants to implement a disaster recovery solution. Which of the following is most critical to determine first?
Which of the following operations is an appropriate use case for HyperClone?
Which of the following operations is an appropriate use case for HyperClone?
Which RAID level provides the best read performance while also tolerating a single disk failure?
Which RAID level provides the best read performance while also tolerating a single disk failure?
When selecting a backup solution, what is the typical goal of 'LAN-free' backup?
When selecting a backup solution, what is the typical goal of 'LAN-free' backup?
In a NAS system, which component is responsible for providing file-level access to data?
In a NAS system, which component is responsible for providing file-level access to data?
What best describes the purpose of a 'coffer disk' in a storage array?
What best describes the purpose of a 'coffer disk' in a storage array?
Which of the following file access protocols is commonly associated with Windows environments?
Which of the following file access protocols is commonly associated with Windows environments?
In the context of storage, what does 'multipathing' primarily address?
In the context of storage, what does 'multipathing' primarily address?
Which of the following is a benefit of using SSDs over traditional HDDs?
Which of the following is a benefit of using SSDs over traditional HDDs?
What is the main intent behind data compression in storage systems?
What is the main intent behind data compression in storage systems?
For disaster recovery planning, what does the term RPO most directly define?
For disaster recovery planning, what does the term RPO most directly define?
Which component uniquely identifies a volume for storage access across a SAN?
Which component uniquely identifies a volume for storage access across a SAN?
How does storage virtualization primarily benefit an organization?
How does storage virtualization primarily benefit an organization?
Which access control policy below is employed by OceanStor Pacific?
Which access control policy below is employed by OceanStor Pacific?
Compared to SATA or SAS SSDs, what is a primary performance advantage of NVMe SSDs?
Compared to SATA or SAS SSDs, what is a primary performance advantage of NVMe SSDs?
In data storage, what does the acronym 'SCM' stand for?
In data storage, what does the acronym 'SCM' stand for?
An IT admin requires connectivity by which the server can offload compute actions from host CPUs. Which protocols can help facilitate this?
An IT admin requires connectivity by which the server can offload compute actions from host CPUs. Which protocols can help facilitate this?
Which task is essential before creating a HyperClone instance?
Which task is essential before creating a HyperClone instance?
When evaluating the impact of a major datacenter failure, what should be the focus when dealing with RAID?
When evaluating the impact of a major datacenter failure, what should be the focus when dealing with RAID?
What is the correct sequence of configurations when configuring SmartQos?
What is the correct sequence of configurations when configuring SmartQos?
Assume you have the following requirements:
- Single IO size is 64KB-1MB
- Sequential read IO accounts for 90%
- The average utilization rate of front-end bandwidth is 90%
- The host application is a database.
Which of the following scenarios is most suited to the following?
Assume you have the following requirements:
- Single IO size is 64KB-1MB
- Sequential read IO accounts for 90%
- The average utilization rate of front-end bandwidth is 90%
- The host application is a database.
Which of the following scenarios is most suited to the following?
Which of the following are advantages of distributed storage? (Select all that apply)
Which of the following are advantages of distributed storage? (Select all that apply)
In which protocol are SCSI instructions directly transmitted over a network?
In which protocol are SCSI instructions directly transmitted over a network?
Data access frequency and movement of data among the tiers is addressed most directly by which technology?
Data access frequency and movement of data among the tiers is addressed most directly by which technology?
To allow MS Windows hosts to access file services without using additional software, which protocol is generally the most readily accessible?
To allow MS Windows hosts to access file services without using additional software, which protocol is generally the most readily accessible?
What is the purpose of the show command in command line interfaces?
What is the purpose of the show command in command line interfaces?
What is the purpose of cascading ports on a storage array?
What is the purpose of cascading ports on a storage array?
Which of the following are correct about a Snapshot? (Select all that apply)
Which of the following are correct about a Snapshot? (Select all that apply)
What is the largest challenge with the traditional RAID system compared to more modern methods?
What is the largest challenge with the traditional RAID system compared to more modern methods?
How is erasure coding (EC Coded) configured for a compute node ?
How is erasure coding (EC Coded) configured for a compute node ?
Which of the following terms are most directly related to the speed of operations with data in a mechanical drive?
Which of the following terms are most directly related to the speed of operations with data in a mechanical drive?
What does erasure coding address in object disk array systems that RAID is insufficient?
What does erasure coding address in object disk array systems that RAID is insufficient?
To best ensure business continuity, an IT admin needs to balance which of the following factors?
To best ensure business continuity, an IT admin needs to balance which of the following factors?
Regarding Ext3 file system failure repair, which of the following statements is correct about using fsck?
Regarding Ext3 file system failure repair, which of the following statements is correct about using fsck?
When configuring SmartQoS, what happens to I/O prioritization if a LUN or file system priority isn't manually set?
When configuring SmartQoS, what happens to I/O prioritization if a LUN or file system priority isn't manually set?
In Huawei's OceanStor Dorado V6, which of the following technologies is most closely associated with matching data activity levels to appropriate storage media?
In Huawei's OceanStor Dorado V6, which of the following technologies is most closely associated with matching data activity levels to appropriate storage media?
An FC HBA card is primarily used for connecting a server to which type of device?
An FC HBA card is primarily used for connecting a server to which type of device?
What best describes data classified as 'Cold data' by intelligent classification technology?
What best describes data classified as 'Cold data' by intelligent classification technology?
Within the SAS protocol stack, what layer defines the interface requirements between the link and transport layers?
Within the SAS protocol stack, what layer defines the interface requirements between the link and transport layers?
Which of the following tools offers multi-vendor adaptation, componentized architecture and web-based interface to build an enterprise operation and maintenance platform to manage a mix of devices?
Which of the following tools offers multi-vendor adaptation, componentized architecture and web-based interface to build an enterprise operation and maintenance platform to manage a mix of devices?
In a Huawei OceanStor Dorado V6, what color does the disk enclosure positioning indicator emit?
In a Huawei OceanStor Dorado V6, what color does the disk enclosure positioning indicator emit?
In a storage system exceeding alarm capacity limits, which measure should be configured to prevent alarm data loss?
In a storage system exceeding alarm capacity limits, which measure should be configured to prevent alarm data loss?
Which statement about storage virtualization is correct?
Which statement about storage virtualization is correct?
What the correct sequence for powering on equipment in a computer room after circuit upkeep?
What the correct sequence for powering on equipment in a computer room after circuit upkeep?
In an IP SAN, which hardware component commonly performs the iSCSI protocol processing on the host side?
In an IP SAN, which hardware component commonly performs the iSCSI protocol processing on the host side?
When using an HBA card that supports iSCSI, where are the SCSI instructions processed?
When using an HBA card that supports iSCSI, where are the SCSI instructions processed?
In a SAN active-active configuration, what outcome highlights a disadvantage if not correctly designed, compared with other HA configurations?
In a SAN active-active configuration, what outcome highlights a disadvantage if not correctly designed, compared with other HA configurations?
How would performance normally be ranked among these iSCSI initiator implementation methods?: (1) Software Initiator Driver, (2) TOE card, (3) iSCSI HBA card
How would performance normally be ranked among these iSCSI initiator implementation methods?: (1) Software Initiator Driver, (2) TOE card, (3) iSCSI HBA card
In a data center storage maintenance project, what tasks are essential?
In a data center storage maintenance project, what tasks are essential?
During urgent storage maintenance due to an alarm, which action should be avoided for quick diagnostics?
During urgent storage maintenance due to an alarm, which action should be avoided for quick diagnostics?
If a SmartQoS policy is configured without specifying the priority attribute for a LUN or file system, what is the default priority setting?
If a SmartQoS policy is configured without specifying the priority attribute for a LUN or file system, what is the default priority setting?
Within the protection automation features of DME Storage, which of the following is specifically excluded?
Within the protection automation features of DME Storage, which of the following is specifically excluded?
What common scale-out expansion technology does Huawei's OceanStor Dorado V6 storage primarily use?
What common scale-out expansion technology does Huawei's OceanStor Dorado V6 storage primarily use?
Flashcards
How to check file system mount?
How to check file system mount?
Checks if the file system is mounted in a read-only state.
What does SmartTier do?
What does SmartTier do?
Counts and analyzes data activity to match activity levels with storage media.
Purpose of FC HBA card?
Purpose of FC HBA card?
Connects servers to fiber channel arrays.
What is 'Cold Data'?
What is 'Cold Data'?
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SAS protocol: Port layer role
SAS protocol: Port layer role
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What is eSight?
What is eSight?
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Alarm data threshold reached?
Alarm data threshold reached?
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Storage virtualization benefits
Storage virtualization benefits
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Correct power-on sequence
Correct power-on sequence
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TOE NIC purpose
TOE NIC purpose
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iSCSI with HBA: Processing location?
iSCSI with HBA: Processing location?
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Correct power-up sequence
Correct power-up sequence
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First maintenance tasks
First maintenance tasks
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Wrong maintenance action
Wrong maintenance action
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SmartQoS default priority.
SmartQoS default priority.
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Not protection automation?
Not protection automation?
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OceanStor Dorado V6 expansion
OceanStor Dorado V6 expansion
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RDMA direct transfer?
RDMA direct transfer?
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Inaccessible disk reconstruction
Inaccessible disk reconstruction
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Metadata volume excludes?
Metadata volume excludes?
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iSCSI protocol excludes?
iSCSI protocol excludes?
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Correct SmartMigration config
Correct SmartMigration config
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Not OceanStor Dorado reliability:
Not OceanStor Dorado reliability:
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Head moves then waits?
Head moves then waits?
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SSD controller wrong statement
SSD controller wrong statement
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SmartCache Pool consists of?
SmartCache Pool consists of?
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IP SAN and FC SAN diff?
IP SAN and FC SAN diff?
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NAS architecture wrong description
NAS architecture wrong description
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Not Pacific block storage layer:
Not Pacific block storage layer:
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Load balancing parameter
Load balancing parameter
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Largest number of failed disks?
Largest number of failed disks?
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Stripe width definition?
Stripe width definition?
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Better security and space?
Better security and space?
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Not an FC network advantage?
Not an FC network advantage?
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ISCSI transmits?
ISCSI transmits?
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Not SSD control unit?
Not SSD control unit?
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Performance: small I/O?
Performance: small I/O?
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Report alarms to Huawei?
Report alarms to Huawei?
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"No sync required" shows?
"No sync required" shows?
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Minimum bandwidth remote replication?
Minimum bandwidth remote replication?
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Payroll data in MYSQL is?
Payroll data in MYSQL is?
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File-level sharing?
File-level sharing?
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Hyper CDP doesn't support?
Hyper CDP doesn't support?
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Huawei doesn't support?
Huawei doesn't support?
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Thin LUN correct?
Thin LUN correct?
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Thick LUN & Thin LUN.
Thick LUN & Thin LUN.
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Not basic data processing?
Not basic data processing?
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NVMe standard solved?
NVMe standard solved?
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NVMe SSDs:
NVMe SSDs:
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RoCE and iWARP are based on?
RoCE and iWARP are based on?
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In PCle protocol, which is not included?
In PCle protocol, which is not included?
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Study Notes
Exam Information
- Exam name: HCIA-Storage V5.0
- Exam code: H13-611_V5.0-ENU
- Version: V10.02
Ext3 File System Repair
- Wrong statement regarding Ext3 file system failure repair: Directly executing fsck to repair damaged file systems in the mounted state.
- Correct practices include using "mount" to check for read-only status and collecting Pvarflog/message host logs to locate failures.
- Arbitrarily execution of fsck on a normally running file system to be avoided.
SmartQoS Policy
- Adding a host to a SmartQoS policy does not support adding a host to multiple policies.
Huawei All-Flash Storage Technologies
- Huawei's products employ technologies, like SmartTier, to analyze data activity and match it with appropriate storage media.
FC HBA Card Use
- FC HBA cards are mainly used to connect servers to fiber arrays.
Intelligent Classification Technology
- Data that remains unaccessed for extended periods is classified as cold data.
SAS Protocol Architecture
- The interface between the link layer and the transport layer is at the port layer.
Multi-Vendor Device Management Tool
- eSight is a tool with multi-vendor device adaptation, unified management, componentized architecture, and web-based features, that reduces system maintenance costs.
Huawei OceanStor Dorado V6
- Disk enclosure positioning indicator light color in Huawei's OceanStor Dorado V6 series: Blue
Alarm Data Loss Prevention
- Setting a "Dump" can prevent data loss due to reaching the alarm information threshold in a storage system.
Storage Virtualization
- Storage virtualization does not displays details about hardware additions and removals but hides the complexity and removes limitations, and integrates existing functions
Equipment Power-On Sequence
- Correct power-on sequence after a circuit maintenance: External power supply -> controller box power -> server -> switch power.
IP SAN Message Conversion
- Hardware capable of ICP/IP message conversion in IP SAN : TOE NIC
iSCSI HBA Card
- When processing iSCSI requests SCSI instructions with an HBA card, the HBA processes the instructions.
SAN Active-Active Solution
- A single storage or production center fails, A small amount of data is lost is wrong
- SAN active-active characteristics: Gateway-free architecture, three-center solution compatibility, zero RTO and RPO to meet business requirements are typical.
iSCSI Initiator Performance
- iSCSI initiator implementation methods from high to low performance: iSCSI HBA card > TOE card > Software Initiator Driver
First Maintenance Project
- Initial maintenance tasks for data center storage include checking SmartKit installation and configuration, as well as checking eService installation and alarm policy configuration.
Storage Device Alarm
- Restarting a storage device is the wrong action when maintaining a quickly. Correct actions include checking system, business, and indicator status.
SmartQoS Configuration
- When priority is unconfigured for a LUN/file system in SmartQoS, the default priority is low.
DME Storage Function Features
- Replica Quota is not associated with the protection automation feature.
Huawei Scale-Out Expansion Technology
- Huawei OceanStor Dorado V6 storage uses PCIe Scale-Out for expansion.
RDMA
- RDMA facilitates direct transfer of cache resources.
Disk Inaccessibility
- During disk inaccessibility, restore and reconstruct is to be used
Metadata Volume Contents
- The metadata volume does not contain DCL.
iSCSI Protocol
- The iSCSI for a TCP message doesn't have iSCSI data
SmartMigration Configuration
- The correct SmartMigration configuration: Configuring Thick LUN A and Thin LUN B to the same controller, setting LUN A as the source, and LUN B as the target.
Huawei OceanStor Dorado Reliability
- Wrong description about the high reliability is All SSD hard drives, with high IOPS and low latency.
Data Block Rotation
- Average seek time defines the scenario in which the head waits for the required data block after moving to the correct track.
Huawei Ocean Storage Hybrid Flash
- An SSD controller chip cannot determine the read and write positions is a incorrect statement.
- It has built in FTL algorithm, supports multiple interfaces and types of media
OceanStor Dorado V6
- In OceanStor Dorado V6 products, the SCM disk is the storage type that the SmartCache Pool can consist of.
IP SAN vs FC SAN
- FC SAN is compatible with all IP network devices is a wrong statement about IP SAN and FC SAN
NAS Architecture
- UNIX and Windows can't directly share the same data through NAS is a wrong description of NAS architecture
- It is actually based on file-level sharing, eliminates the need to create multiple file servers and enables customers to share files quickly with minimal overhead
OceanStor Pacific Block Storage
- Block Storage System's architecture doesn't include the Storage Network Layer
Huawei Multipath load balancing
- 0 should be the parameter for load balancing in the command "upadm set workingmode=[]"
Raid Types and Hard Disks
- When using 8 2TB hard disks, RAID TP can tolerate the largest number of failed hard disks
RAID Configuration
- Number of stripes in a disk group describes the definition of strip width
RAID Selection
- RAID 6 is the most suitable for the storage array, data security and utilization rate is greater than 60%
Storage FC v SCSI Protocol
- Cost reduction is not an advantage of storage FC network from the SCSI protocal.
iSCSI Node Data Packet Type
- iSCSI nodes create iSCSI packages for transmission over IP networks
SSD Composition
- NAND flash particles do not belong to ssd control unit
Monitoring
- When monitoring a small I/O application scenario IOPS storage performance should be the focus.
Huawei Service Support Center
- Through eService users can alarm reports of connected storage devices will automatically to the Huawei Service Support Center
Remote Replication Pair creation
- When creating a remote replication pair, if "Initial Synchronization" is set to "Master and slave resource data are consistent, no synchronization required", the pair status to be displayed is Normal
Disaster Recovery and Bandwidth
- The minimum bandwidth required for remote replication network with following parameters : 1000KM disaster recovery distance, daily business growth=2GB, data synchronization time up to 8 hours a day, bandwidth utilization rate is 70% is 834KBps
Payroll Data type
- The data type when company employees look for payroll in MYSQL is structured data
Network Architecture
- The network architecture that provides file-level sharing services for hosts is NAS
Hyper CDP Function
- Synchronization is not supported for the Hyper CDP consistency group.
Huawei Storage Series
- The lossless compression methods that Huawei's all-flash does not support is lossy compression.
Thin Lun
- The capacity of Thin LUN is not the actual physical space.
Thick Lun vs Thin Lun
- Applying for space every time a write occurs is not a process for Thick LUN.
Data Processing Step
- Sorting is not a step in data processing. Steps include input, processing, and output.
NVMe Standard
Solve mainly issue mainly solves compatibility issues.
OceanStor Pacific Support
OceanStor Pacific 9950 supports 80 NVMe Solid State Drives (SSDs).
RDMA Network
- RoCE and iWARP are RDMA technologies based on Ethernet networks
PCle Protocol Structure
- Presentation layer is not included in the PCle device hierarchy.
Smart Acceleration
- Tier/cache independence in the smart acceleration feature does not exist.
Transport Offloading
- RDMA assists in transport offloading by shifting packet routing from the operating system to the chip level.
HyperClone Features
- Support full synchronization and differential synchronization, forward synchronization and reverse synchronization, The target LUN can be read and written immediately without waiting for the background copy to complete
- Does support consistency groups; is wrong
OceanStor Ultra Path Implementations
- Storage resource allocation; function can not be implemented in OceanStor Ultra Path
Info on HyperClone
- A Full data copy of the source LUN is correcr about HyperClone.
About CIFS and NFS
- CIFS is easier to use than NFS, but additional software must be installed on the host. is wrong
About RDMA
- A low response about RDMA (Remote Direct Memory Access) is wrong
DeviceManager License Interface
- You can not load the license in DeviceManager. You can update, import and activate
DeviceManager Files
- Hard disk operation logs I/O statistics, life, SMART and other log can be collected by using DHA operation log
Access Control Policy
- The access control policy used by OceanStor Pacific is RBAC
Huawei snapshots
- Redirection write process does not require reallocation of space is an incorrect information about Huawei storage snapshots.
Query Version Info- CLI command
- show system general CLI commands can storage engineers accurately determine the supporting software version during maintenance.
HyperCDP Minimum Internval
- The minimum interval for creating HyperCDP in a scheduled HyperCDP plan on Huawei all-flash storage is 3 seconds
Storage System Ports
- Assigning unique IP addresses and use cases to carry hosts' services to its logical port
Expansion Methods
- When using Scale-Out for expansion, the focus is on increasing the number of nodes, and increase the complexity later.
Business data security- Snapshots
- In order to retrieve the deleted business data 11:00 snapshots are great
Dual Controller States
- When dual-controller storage is running in HA mode, the other is in Waiting, synchronizing, and monitoring
Multipath Algorigthm
- The Polling Algorithm for the server to send I/O when the server chooses each path to send the data
Edge Infrastructure Solution
- This a solution that is mainly used in branch offices and vertical industry edge application scenarios is Huawei Edge Data Storage
Data Protection
- The Huawei backup storage full - scenario does not include the protection "Warm data and warm archive"
Disk Domain Recommendations
- It is highly recommended to create 12 in disk domain of Huawei OceanStore hybrid flash storage system
Data Compression characteristics
- An incorrect Data Compression characteristic is that some data information may be lost.
NFS characteristics
- NFS only allows clients with the same operating system to share files with each other over the network is false.
Production environment networking method
- The best networking method for a production environment when the production network resources is relatively tight = 10 GE lanbase
RoCE Purposes
- The RoCE is supported by Occeanstor dorado V6 to conect with application server
Descriptions of Data
- A wrong description of data is that Data is considered the logical realtion after processing.
Backup Strategies
- You need to take the path with more data storage when making a backup strategy
Initial Backup capcaity
- When calculating the required backend capacity the formula should involve the data increment * storage preiod = total storage
Das V San diff
- SAN: storage resources can be easily shared describes the difference btween DAS and SAN
Distributed Storage Block
- Driver Cinder need to be used when to used conect huawei's distributed block
Intelligent multi core tech
- This does not belong to intelligent many-core technology Multi-stream partitioning technology
Wrong
- Is the wrong one that suppots ad domain environment
HUAWEAI SmartOoS Feature
- To give more data when cpu ressources are bottlenecked
Center Data Copy
- Space neeed to at least have 3500 to center A
Function config from Licence
- Show Function
Migration by LuN supports
- The solution does not support LUN migration
SCSI protocol
Essentially and C/S architecture by , target as is the key
After created clone
D. After the cloning has completed
HDFS service
That's the service
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Description
Key concepts from the HCIA-Storage V5.0 exam (H13-611_V5.0-ENU V10.02) include Ext3 file system repair, SmartQoS policy limitations, and Huawei's All-Flash storage tech like SmartTier. FC HBA cards connect servers to fiber arrays. Intelligent classification identifies infrequently accessed data as cold data.
