Maintaining a persistent connection between host and storage, ESXi must support multipathing. Which of the following statements is incorrect regarding multipathing for VMware vSphere 5.5?
Which of the following is correcting regarding the read and write performance of the Huawei Oceanstor 9000 node, from highest to lowest?
Which of the following feature is correct about the OceanStor V3 volume mirroring? (Multiple choice.)
Which of the following is true regarding IP drift in the Huawei Oceanstor V3 storage system?
In the OceanStor VIS6600T dual-redundant switch network environment, using OceanStor Toolkit inspection found that "multi-path state detection "does not pass the inspection report. It is found that there are two routes in the 4 paths of the VIS6600T device's 0 node to each LUN of the array. The path status is disabled. According to the analysis, the switch port connected to port 0 of port A0 of node 0 on node 0 of the VIS6600T is visible on the optical switch. The received optical power is much lower than the rated power of the optical module.
What actions should be taken to fix this?
True or false, with RedHat 6 using the storage array Huawei S5500T, when the storage array and the host are directly connected, the storage array host port can select a P2P network topology.
For the configuration of the management network port and service network port of the VTL engine in the VTL6900 system, the following description is incorrect
After the Cache mirror function between two controllers in the Ocenanstro T series storage array is enabled, the data of the two controllers and the cache are completely the same and a single controller failure does not affect data availability.
Which statements are true about Huawei OceanStor V3 HyperMirror feature? (Multiple Choice)
With Redhat linux enterprise 6 system the df and du commands allow you to see the mnt capacity, as shown below. What causes the capacity shown to not be the same?
redhat: ~ # df -h / mnt
Filesystem Size Used Avail Use% Mounted on
/ dev / sdb 1008M 514M 443M 54% / mnt
redhat: ~ # du -hs / mnt
40k / mnt
Which of the following statements are true regarding HUAWEI OceanStor 18000 Engine, SVP, Disk Enclosure, and PCI-e Switch Interconnections?
If you need to automate the DR protection of an Oracle database in Replication Director, the configuration flow is:
By which of the following technologies can vmware VDI reduce the storage space used by the virtual desktop system?
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)
What are the ways of load balancing cluster softwar on Oracle rac? (Multiple choice.)
Which of the following statements about multi-plane system design of the Huawei Oceanstor unified storage system is correct?
When planning an active-active disaster recovery solution, the business end adopts the cluster application. Which of the following clusters is the application cluster?
The N8000 file system is based on dynamic hierarchical storag. Through the multi-volume file system, you can achieve the same file system text pieces stored in different levels of storage media, such as hot data and ordinary data stored in the SSD disk and SATA disk.
In a Huawei disaster preparedness plan using production site deployment with an oracle RAC cluster, to ensure that the disaster recovery database provides normal service should the production site fail, which of the following statements is correct?
A bank using the Oceanstor 9000 (v100R001) has officially started on-line operation and into the maintenance phase, maintenance engineer Zhang will be responsible for this. During the maintenance work, the need for periodic inspection of the health of the storage system, which of the following is the method of operation Zhang should. (Multiple choice)
Engineers in strict accordance with the Oceanstor 9000 software installation and operation guide are to complete the pre-inspection and configuration, the software deployment process displayed ome exceptions, the following treatment is appropriate (multiple choice)
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)
Under the condition of synchronous replication, the peak write bandwidth of an application is 16 MB / s, the average write bandwidth is 500 KB / s, and the average write IO is 8 KB. If the bandwidth utilization rate is 80%, then the disaster recovery end network bandwidth should not be less than:
In an application scenario, the I/O service model is random read, and the I/O size is about 100 KB. Then, which is the proper stripe depth for LUNs on the storage system?
True or False, during the disaster recovery drill, to you want to switch the service to the disaster recovery end. In order to prove the reliability of the disaster recovery system, you need to test by simul-ation test and other means as much as possible.
You want to improve host write performance on the primary storage. Two sets of OceanStor unified storage with synchronous remote replication are effective in doing this is which of the following ways? (Multiple choice.)
Assuming a customer's initial backup capacity of 1TB, the average daily data increment of 10G, with a backup strategy of once a week for all the equipment once a day from Tuesday to Sunday.
All reserve and additional backup data are stored for 4 weeks, regardless of deduplication / redundancy ratio / replication, etc. Calculate the required back-end.
The capacity should not be less than ______. This 1TB is calculated according to 1000G.
Which of the following is correct about the OLAP business load characteristics? (multiple choice)
In the OceanStor 18000 storage system, a 15K RPM SAS disk is used. Assuming that the average seek latency of this type of disk is 6 ms. which type of disk can provide a single disk IOPS?
In an OceanStor V3 storage system, a disk domain has multiple types of disks. If one SAS disk is added to the disk domain, all disks of the disk domain will participate in data balancing.
You want to partition a hard disk on a Windows Server 2008 R2 system, which of the following should you do?
A customer’s OceanStor V3 controller B is red and the system status indicator is red. The correct way for engineers to deal with this problem is:
A RedHat Linux 6 system includes a specific file folder read and write errors, the file system needs to be modified after the diagnosis. Which of the following is the correct repair operations?
A customer production center is in Chengdu with a disaster recovery center in Shenzhen, using VIS 6600T remote replication capabilities to meet the remote disaster recovery. Which of the following about the VIS6600T copy function is correct?
OceanStor V 3 storage SmartPatition can allocate independent cache space for different LUNs. The capacity of the cache space is read and write.
use.
When the storage controller BBU is damaged, the controller automatically sets the IO write policy to transparent and is locked to ensure data reliability. Before the fault is recovered, it can be forced to write back.
Customers using 5 ESXI 5.5 hosts and configured DRS / HA, are seeing the error "HA insufficient resources" when the administrator starts the DB virtual machine. Using the HA configuration shown in the figure select the correct solution. (multiple choice)
What is the correct description of the Huawei Oceanstor 9000 read and write process?
Which of the following are the basic principles of storage troubleshooting? (multiple choice)
Which description of the N8000 Clustered NAS file system snapshot features and their application is wrong?
A company IT system administrator is responsible for the configuration management of OceanStor V3 storage system in Huawei. In the scenario described, which of the following is the correct configuration of Smart Migration:
True or False, all OceanStor Unified Storage Array disks have the ability to store dirty data after a sudden power failure
In two OceanStor unified storage arrays configured with remote replication, the optimal path for remote replication data transmission is:
A customer project deploys an 8-node OceanStor 9000 C Node with full front-end and back-end IB networking. The device is powered on and completes all front-end network ports. During customer front-end business switch interoperability testing, engineers will perform Oceanstor 9000 software installation and deployment. What is considered a best practice for this?
Which of the following is incorrect regarding the VTL6900 data deduplication featuree?
The MTTR indicator is used to describe the average continuous time of the failure of a product during operational use or testing.
With Simpana in a multi-card, multi-network environment, you can use the data interface data interface pairs (DIP) to set the data from the source end-to-end network transmission path. Source and destination can use the host name and IP address to describe the network interface.
There are multiple network connections that can be configured to send multiple concurrent data streams. Based on this, which of the following configuration methods should be used? (multiple choice)
TESTED 06 May 2024
