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In Huawei OceanStor 9000, the client that processes the write request performs data fragmentation according to the protection level specified in the file, divides the data chip, writes the corresponding node on power-saving memory, and then calculates theparity of each node data pieces, and writes to each node's power-saving memory. After the node writes the power-save memory, the write operation is successful.
An MSCS Two-Node Cluster Interconnects with Disk Arrays via the iSCSI Protocol in a Multipathing Environment and Multipathing Software installed on Each Node. You build the cluster configuration using the wizard and part of the description shows that the quorum disk and resource disk can not be online. The following statement is correct regarding this scenario:
Info Replication supports copying the data at the same time using the home directory, extended attributes, ACL (access control list), WORM, and CIFS. NFS configuration information is also copied to the slave. When a disaster occurs, the master and slave stations can quickly take over after the switchover.
At the beginning of the VTL6900 system input, you need to prepare the physical device. As shown in the figure, the VTL6900 is thecut-off point of a physical device node on the VTL console. On the physical equipment to prepare this step, which description is correct? (multiple choice)
Which of the following statements about Huawei OceanStor V3 series storage array synchronous remote replication andasynchronous remote replication is incorrect? (Multiple choice)
Which of the following functions in VMware leverages content-based read cache (CBRC) of ESXi hosts as shown in the figure to ease the pressure of partial storms in VDI?
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:
Which of the following scenarios willcause the OceanStor 18000 to start local reconfiguration? (multiple selection)
Erasure code redundancy technology is a data file is divided into ODC (M logo) equal length data blocks, generated by encoding RDC. Any ofthe RDC fragments can be restored out of the original file, which can tolerate up to ODC node failure, to achieve the purpose of data protection.
In a Redhat Linux Enterprise 6 system, how do you safely uninstall the kernel driver?
Set the soft quota and hard quota using the OceanStor V3 file system quota feature. During each IO writing operation, consumption of space capacity, if the number offiles exceeds the soft quota is the first to be checked.
Huawei two nodesStandard Edition N8500, opened the CIFS service. Which of the following CIFS parameters prevents users from seeing other users in the table of Contents?
To cluster the server's public IP address in an Oracle RAC deployment process, a private IP address is written to the / etc / hosts file, along with the Virtual IP address,cluster unique access IP address and public IP. Which of the following configuration is correct? (all subnet masks are 255.255.255.0)
True or False, the SE Sparse virtual disk is a virtual disk format that reclaims space after the virtual machine's operating system has expireddata or deleted data.
EXT3 is the third-generation extended file system commonly used in the Linux operating system. Which of the following statements is correct regarding the EXT3 file system?
SQL Server database administrator found that SQL Server is running out of space, you want to delete unnecessary databases to get more space.
Which of the following databases will be deleted once the database engine is abnormal or the upper business interruption?
Information of the disaster recovery research Beijing project mainly includes three aspects (Who / What / Why)description. Which of the following is true? (Multiple choice.)
The MTTR indicator is used to describe the average continuous time of the failure of a product during operational use or testing.
Dual-live solution: the optical fiber link between two data centers in the same city needs to be deployed with a wavelength division device.
True or False, The smart Matrix architectureis a multi-control interconnected system architecture designed by Huawei for the core storage system of an enterprise data center. Based on the smart matrix principle, Huawei OceanStor 18000 supports up to 16 engines (32 controllers) cluster.
OceanStor V3 does not start up normally within 15 minutes after thesystem is powered on. What can you use to log in to the storage system in order to locate this fault? (Multiple choice.)
Which of the following description about the Huawei Oceanstor 9000 to achieve N + M redundancy technology is wrong?
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 N8500 (V200R001) clustered NAS operating system is archived as a banknote imaging platform, the informationabout storage units and networks is set. Choose the correct statement.
Simpana storage strategy is an important parameter is data retention rules to determine the need to back up thecontents of the backup time and backup methods. Each copy has an independent data retention period, each copy can be set using______. (Multiple choice.)
In two OceanStor unified storage arrays configured with remote replication, the optimal path for remote replication data transmission is:
Customers need to create a new Oracle database server Huawei RH5885. V2 32 nuclear CPU, the host using Redhat6.4 operating system, the text system is EXT4, the storage device Oceanstor V3, the I SAS disk and 8D + 1P RAID5 are configured to guide one million data batch. Which of the following methods can improve the import performance into the new database? (Multiple choice.)
Scale out is a scale-out architecture thatupgrades storage systems typically by increasing the number of nodes by expanding more controllers to meet user data growth demand. Huawei OceanStor V3 storage system supports the use of smart IP card to achieve IP scale out.
Which network connection is wrong for an OceanStor 18000 expansion network?
A computer center plans to purchase a set of Huawei Oceanstor 9000 products as a follow-up storage system. The requirements are as follows:
(1) The minimum storage system needs to provide a total bandwidth of 3-4GB / s
(2) storage space can reach 1PB, to meet a single file GB storage
(3) computer center room requires control deployed in a cabinet use
(4) Internal computer cluster nodes are now all InfiniBand network
Based on the above information, which of the following configuration suggestions do you think is more suitable for this project?
Which of the following statements are true regarding HUAWEI OceanStor 18000 Engine, SVP, Disk Enclosure, and PCI-e Switch Interconnections?
Which of the following feature is correct about the OceanStor V3volume mirroring? (Multiple choice.)
Huawei Standard Edition N8500 has two nodes named Pubeth1 and Pubeth4. It opened the NFS service. NFS server accepts recovery after NFSguest.
However, the client mount point can not be accessed into the directory for a long time without echo. What do you need to do to fix it?
True or Falese, backup media using PTL or VTL simpana backup software can not start the deduplication function.
Which technology enhances the performance of the Huawei OceanStor 9000 application? (Multiple choice.)
For commonly used SQL server 2005 and 2008, users can connect to a specific servicethrough the SQL server management studio tool database engine. T login there are two ways to authenticate. Which mode is needed for the client application connection?
True or False, in an OceanStor V3 series storage array, all the snapshots of a LUN occupy not more space than that of the LUN.
What value can the HP UN order lvextend-m parameters be set? (Multiple choice.)
Choose the correct statement regarding the N8000 clustered NAS system that provides file system sharing services, surface VxFS file system, and roll features.
An enterprise buys a set of Huawei OceanStor 9000 storage systems. Some of the enterprise's basicsoftware is stored in a directory, and users can access enjoy/it. In order to facilitate the operation, users should not enter the account password, and the basic software directory is set to NFS enjoy, you should check the share of the "guest enabled" option.
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 4paths 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?
Maintaining a persistentconnection between host and storage, ESXi must support multipathing. Which of the following statements is incorrect regarding multipathing for VMware vSphere 5.5?
In amanual recovery process, which of the following operations is not required? (Multiple choice.)
True or False, the Huawei Oceanstor backup solution integration program is one machine.
Disaster recovery project information research mainly includes information about who, what, and why. What is the following information background? (multiple choice)
True or False, the disaster recovery plan of Huawei means that when the production site fails, the production business is automatically switched to run the disaster recovery site.
Users use vsphere 5.5 to build business virtualization. In the course of the operation it was found that a host was using too many SCSI reservations, leading to vmfs performance degradation. What method can be used toeliminate the root cause of SCSI reservation conflicts? (Multiple choice.)
TESTED 03 May 2024