The figure shows an N8500 (V200R001) NAS engine chassis. The two NAS engine nodes in the chassis form a two-node N8500 NAS cluster. Which description of thefront-end and back-end network planning of the cluster is correct. (Multiple choice.)
In a clustered environment, data is placed on the shared storage, and identities between peers are equal and have the same access to the data. It is required that the clusterware have a control mechanism for concurrent access to such peer permissions. In Oracle RAC, you use the _____ mechanism to do multiple node-to-node collisions control of access.
In the Huawei OceanStor system, the size of the file system block is a measure of the size of the accessed file system block. The size of the block is designed according to the size of the data block. Different size of the file system block selects the corresponding file system block, according to the size of the data block. If the business scenario is themedia, for large file archiving or stagger I / O backup scenarios, it is recommended to choose the default 64KB disk block size.
In an active-active disaster recovery solution configured with inter-site FC switch connection. When the distance between sites exceeds _____ km, you need toconfigure long-distance transmission.
In a Huawei disaster recovery plan, in order to implement the one-click disaster recovery operation for Oracle applications, you must configure the recovery in ReplciationDirector Plan. What configuration actions do you need to do on the Replication Director side before configuring the recovery plan? (Multiple choice.)
Existing set customer of database uses a raw device, due to the large amount of data inthe database. The customer plans to replace the old storage with new storage devices.
In the process of environmental inspection lvcb engineers found the following:
#getlvcb -TA sjklv
Intrapolicy =
copies = 0
interpolicy =
lvid =
lvname =
label =
machine id =
number Ips = 0
relocatable =
strict =
stripe width = 0
stripe size in exponent = 0
type =
upperbound = 0
fs =
time created = time modified =
As the vg is too large, the expansion of vg is impossible. As the service window is very short, and customersdo not want to avoid the risk of large adjustments of the whole original environment, what is the recommended approach?
Which of the following description about the Huawei Oceanstor 9000 to achieve N + M redundancy technology is wrong?
In an8500 Clustered NAS System there are several modules in the cluster communication architecture that work together to implement cluster communication such as resource agent, HAD, Gab, and LLT. Describe the correct mechanism for these. (Multiple choice.)
TheRMAN command dbms-rcvcat in the three PL / SQL packages is used to query the recovery catalog and target database control files, such as the list, report commands or a call to the package.
Customer business is veryimportant and has a large amount of data, requiring the best possible business continuity after natural disasters. Which kind of network design is best for this?
