H13-629_V2.5 HCIE-Storage V2.5 Question and Answers

sql server authentication

Windows authentication

Log in as super user

Other ways when landing

When configuring the backup client on the VTL side, you need to know that the WWPN of the FC port that connects the VTL to the VTL is available on the server in the sys /class / fc_host directory and subdirectory to the corresponding WWPN port.

Server-side identification has been detected with the library device command is cat / proc / scsi / scsi.

As shown in the figure, among the devices identified on the server side, the device labeled 1 is the scanned library.

As shown in the figure, of the devices identified on the server side, the device labeled 2 is the information for the scanned tape.

The storage is connected directly to the virtual machine, including RDMs, directly to iSCSI or NFS.

Virtual machines contain large databases.

The virtual machine is deployed in the AIX operating system.

Virtual machines contain non-Microsoft family applications.

TCP Header

IP Header

ISCSI Header

ISCSI data

SVP needs to be connected to multiple engines through two PCIe switches, and each engine controller needs to be connected to a PCIe switch to ensure that link redundancy and to improve reliability.

When the control plane is connected to a network, when the engine and the PCI-e switch are interconnected, the port 0, port A3 and PCIe port can be interconnected.

Huawei slot 0 and slot 5 of the OceanStor 18000 engine enclosure can be used to install SAS interface modules and interconnect disk enclosures.

True

False

The engineer has set the WORM root directory according to the hospital's requirements, and all the subdirectories under this directory have the WORM attribute.

During the file protection period, no one can delete the protected file.

Protected Documents are Protected for a Period of 70 Years on Huawei OceanStor 9000 Storage Device.

WORM log save root, quota and WORM protection period cannot be set.

Create a virtual snapshot of the slave LUN and activate it, then map the snapshot LUN to the host for authentication.

After the snapshot LUN is mapped to the host, the host can read and write the snapshot LUN.

After the verification is completed, stop the upper-layer service application, release the LUN mapping, and finally delete the snapshot.

Stop the snapshot before the host can write snapshot LUN.

True

False

Use the same type of disk as the master

Raid should be set the same as the master

The capacity of Lun and primary LUN is the same

Use the same number of disks as the master

True

False

Standalone SAN engine and stand-alone file engine

Parallel dual-stack by way of parallel support (SAN) and file system (NAS)

Use unified storage pool technology

file system can achieve deduplication data compression function

Snapshot file system can be dedicated as a separate space to the client.

For a file system can create multiple snapshots, support snapshots of the snapshot

Snapshot file system provides only read-only access to external, it cannot provide write operations

File System Snapshot Instantly copy the source file system completely available copy, when due to viruses or man-made misuse and other causes of the original file system is not available, the rollback of the snapshot can restore the original file system.

Rewrite the protection

Resource Management

Document Properties

document encryption

Multi mirror log group

Using Oracle RAC

Archive Mode

Frequent CheckPoint

Zhang received maintenance tasks, immediately use the inspection tools configured for real-time inspection tasks, using the default business package, select the device to be checked, and check the project, immediately start the task of system-wide inspection, inspection results are normal

Xiao Zhang plans to inspect the tournament site every Monday morning at 6:00 am, set up a time patrol strategy, patrol with the start, end time and patrolCheck frequency, the configuration is complete and exit the inspection tool off, follow-up every Monday to see if there is any abnormal inspection report results

Xiao Zhang When adding devices in the inspection tool, the configured device IP is the front-end IP address of one of the devices and the device is entered as requiredSSH login management user name and password

Xiao Zhang revised the management user login password for all devices, so you need to modify the password in the device information registered by the inspection tool, Zhang firstRemove the scheduled inspection task on the inspection tool interface, and then modify the device information

Restart the failed node

Use the other node's business IP access

Only manually switch the node's service IP to the remaining nodes

restart service

One Ethernet port can be used to create multiple logical ports

If you type Ethernet ports A and B into VLAN 2, by default the port A and B data are in the same drift group

If binding port A and physical port B are added to the same VLAN, as long as one physical port in bonded port A fails, the service switches to Physical Port B

When IP Fallback mode is set to Manual, when the port fails to recover, the active port link is in normal status and lasts longer than 1 minute, the system can switch the service to the primary port

Metadata is achieved by mirroring node redundancy

Oceanstor 9000 uses a dynamic subtree to organize metadata

The metadata is stored object-wise in the Oceanstor 9000 system

The metadata is actually stored on the SSD of the storage node

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.

control file

data file

log file

configuration file

TRUE

FALSE

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.

True

False

True

False

Parameter file

Control Documents

archive log file

Data files

CommServe

MediaAgent

Library

iDataAgent

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

High-performance layer 550G, performance layer 250G; capacity layer 6T

High-performance layer 400G, performance layer 250G; capacity layer 7T

High-performance layer 800G, performance layer 400G; capacity layer 6T

high-performance layer 600G, performance layer 300G; capacity layer 7T

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.

On the slots of the same position on both nodes, such as A3 and B3, you must insert the same type of interface card.

A5 and B5, A6 and B6 can be chosen to be networked, the key is how to make the network connections.

If the back end of the engine cluster is to be directly connected to four control enclosures, add one FC HBA card in slots A2 and B2 for the controller enclosure of direct connection.

A2, A3, A4 and B2, B3, B4 can be plugged into a 1Gb iSCSI or 8Gb FC interface module to connect with the business network.

oplock

noguest

fs-mode

hide-unreadable

Based on lvcb offset reconstruction nude equipment, and the database level 0 backup import

Use the dd command for data migration

Use the cplv command for data migration

Use migratepv for data migration

True

False

Log in to the management software or the CLI to check whether the controller is online. If it is not online, restart the controller B on the CLI, and observe the startup status and recordStart the abnormal interface and crude without

landing management If you press or CLI to check whether the controller is online, if not online, unplug the controller, through the CLI to observe the start-up status, record KaiAbnormal interface and error

Serial connection to the controller, COM1 port without printing, can be judged as controller failure, need to be replaced

Log in to the management software or CLI to check whether the controller is online, if it is not online, execute restsys, restart the current controller, and observe through the CLIDynamic state, recording abnormal interface and error

FC switch Zone conflict

FC switch IP address conflict

FC Switch Switch Name conflict

FC switch domain ID conflict

Agent-Agent monitors the resources of each system and provides the status to each machine's HAD

HAD Cluster service that monitors and manages the cluster's NAS

Under the management of the master node of the cluster, Gab sends the communication information between the cluster members to the point communication

LLT (Low-Latency Transport) sends information to all nodes in the cluster through a low-latency delivery protocol

Correct

mistakes

True

False

LDAP authentication

WSSE certification

NIS certification

AD domain certification

Dynamic domain name, which returns the dynamic IP address of the node for the client, supports the failover function and is recommended for CIFS protocol sharing

Static domain name, which returns the domain name of the node's static external IP address to clients, is recommended for NFS protocol sharing

dynamic external IP address, node failure, the dynamic IP address can be automatically assigned to other working nodes, the client can pass againThis IP address is connected to the OceanStor 9000

static external IP address, the node fails, the client can not access the oceanstor 9000 through the IP address

127.0.0.1 localhost129.22.221.200 cluster-scan129.22.221.201 node1129.22.221.211 node1-vip192.168.222.211 node1-priv129.22.221.202 node2129.22.221.212 node2-vip192.168.222.212 node2-priv

127.0.0.1 localhost129.22.221.200 cluster-scan129.22.221.201 node1129.22.221.211 node1-vip192.168.222.211 node1-priv129.22.221.202 node2129.22.221.212 node2-vip192.168.221.212 node2-priv

127.0.0.1 localhost129.22.222.200 cluster-scan129.22.221.201 node1129.22.221.211 node1-vip192.168.222.211 node1-priv129.22.221.202 node2129.22.221.212 node2-vip192.168.222.212 node2-priv

127.0.0.1 localhost129.22.221.200 cluster-scan129.22.222.201 node1129.22.221.211 node1-vip192.168.222.211 node1-priv129.22.221.202 node2129.22.221.212 node2-vip192.168.222.212 node2-priv

True

False

MSCS

oracle RAC

HACMP

SQL server

The backup server and the media server can not communicate properly.

The link between the backup media and the media server is down.

Backup server SQL database failure.

DDB is abnormal.

After creating a mirrored volume for a normal LUN, the server read-write IO results in a change as a result of internal information exchange.

The amount of data actually stored on a LUN is 2G, the total copy of the data is 4G. A volume image is created for the LUN, the LUN is mirrored when the copy is generated during system creation.

You can configure a volume mirror for external LUNs or configure external LUNs as mirror copies.

When configuring volume mirroring, mirror copies are required from different disk domains.

Planned Migration

Failover

Business Recovery

fault recovery

Manually clear the NMS alarm and turn off the alarm light.

Observe the symptom and collect the fault information.

Troubleshoot according to the "Event Reference" or "Troubleshooting" manual.

Maintain the faulty environment and contact technical engineer for support.