A customer wants to deploy one OceanStor v3 storage to meet their capacity and performance requirements. Which of the following should be considered regarding the hard drive configuration? (Multiple choice.)
A. Hard drive capacity
B. Metadata space size
C. Hard drive type
D. RAID type
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. Disaster recovery end must be deployed, Oracle RAC cluster can not deploy oracle single node.
B. Oracle RAC grid production side of the file must be copied to the disaster recovery side.
C. Unable to copy the production side of the FRA file will be able to guarantee the normal provision of services at the northern end.
D. Production end of the oracle data files and log files can not be placed in the same consistency group.
Which of the following information about the InfoEqualizer function of Huawei OceanStor 9000 is correct? (Multiple choice)
A. When using the InfoEqualizer function, you need to configure DNS. If you use an external DNS server, when configuring the DNS server, there is a setting of "reverse lookup zone name", network ID setting in this tab, you need to input network ID in reverse order.
B. When there is a DNS server in the user network, the DNS server in the user network does not need to configure the forwarding record. When the user network without DNS service server, configure the InfoEqualizer DNS IP address as the DNS server's address on the client.
C. The root domain name is the domain name InfoEqualizer configured for the cluster. This domain name must be configured as the fully qualified domain name, that is, the domain name that includes the root node.
D. The domain name of the partition is configured as the relative domain name, and the root domain name of the InfoEqualizer is automatically taken as the suffix of the domain name, and the full name of the domain name is formed with maximum support of 32 partitions.
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.)
A. RPO does not require 0 for the scenario, it is recommended to use asynchronous remote replication.
B. The main storage using smart cache acceleration, speed up the main storage IO processing speed.
C. According to the service pressure of the LUNs stored on the primary side, assign the home controllers of each LUN to the A and B controllers.
D. If you are using an asynchronous remote replication scheme, you need to design a startup synchronization time based on the RPO metrics and consider the setting possible startup synchronization time during the business.
What commands are used for viewing SCSI controller information on Linux systems with Qlogic HBAs?
A. lspci | grep SCSI
B. cat / proc / scsi / scsi
C. cat / proc / scsi / qla2300 / 1 | grep port
D. lspci | grep Ethernet
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?
A. In addition to path failover, multipathing also provides load balancing. Load balancing is the process of distributing I / O load across multiple physical paths.
B. In the event of a path failover, the virtual machine I / O delays Nintendo pump by 60s.
C. If the failover takes a long time to complete, the windows virtual machine may interrupt the I / O and eventually fail. To avoid this, set the windows virtual machine timeout to at least 30 seconds.
D. When coordinating vmware NMP and any installed third-party MPP, the PSA (Pluggable Storage Architecture) performs load and unload multipathing plug-ins and handles physical path discovery and removal.
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?
A. Replacing the optical module of port 0 in slot A0 of node 0.
B. Replacing the light of the P0 port in the A0 slot of 0 node.
C. Replacing the optical module of the port connected to port 0 of the corresponding 0-node A0 slot on the switch.
D. Reseat the FC interface card corresponding to slot 0 of node A0.
Which of the following VMWARE virtual machine scenarios can use VADP backup?
A. The storage is connected directly to the virtual machine, including RDMs, directly to iSCSI or NFS.
B. Virtual machines contain large databases.
C. The virtual machine is deployed in the AIX operating system.
D. Virtual machines contain non-Microsoft family applications.
Database applications are one of the important applications supporting storage arrays. Different application configurations and parameter settings may affect the service performance. In order to store arrays (such as OceanStor V3 series storage) with SQL server applications with the best performance, which of the following statements is wrong:
A. OLTP database generally have a large number of random write, it is recommended to choose RAID 10 to store data.
B. In order to improve write performance, all SQL server database data stored in the LUN write strategy is configured to "write back the image".
C. Because the size of the SQL server page is 8K, in order to ensure the best performance of the database, NTFS allocated block size should not be less than 8KB.
D. SQL Server database instance memory size and recovery mode of choice has no effect on the performance of the database.
There are multiple types of disks in a hard disk domain in the OceanStor V3 storage system. If you add one SAS disk to the hard disk domain, the topology will be load balanced as which of the following?
A. Tier 0 disks perform data equalization.
B. All disks in the entire hard disk domain will participate in data equalization.
C. The CK of the target CKG will be released after data equalization is completed.
D. OCeanstor V3 enables cross-engine data equalization.
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