What are the system debug log levels of eReplication? (multiple choice)
(multiple choice) The basic principles of daily maintenance of big data storage systems include:
In the Huawei remote replication solution, which of the following statements is correct?
1. Synchronous remote replication technology can achieve RTU=U, RPO=0,
2. Write data directly to the local storage, and quickly roll back and restore data through snapshot technology
E. A.1 wrong 2 right
F. B. 1 wrong 2 wrong
G. C. 1 pair 2 pairs
H. D. 1 right 2 wrong
The backup plan can prevent the loss of production data or the data center suffers a devastating disaster, the recovery time is short, and the business continuity is guaranteed.
When using Huawei OceanStor BCManagereReplication to configure primary and secondary disaster recovery, which of the following operations is not necessary
of?
The following describes the characteristics of which kind of backup networking
1. Occupy larger existing network bandwidth.
2. The backup performance is limited.
3. It has a certain impact on the host application.
The following features of HUAWEI cloud storage include: (multiple choice)
The built-in scripts of the disaster recovery management software OceanStor BCManagereReplication are for Oracle, SQL Server
The application supports one-click failure recovery. Which of the following steps is not included in one-click failure recovery?
The OceanStor backup solution architecture includes three parts: the central site, branch sites, and remote backup sites.
Only the backup system can be deployed at the backup site, not the production system.
On the basis of inheriting the high reliability design of OceanStor storage system, HyperMetro has newly designed some solutions
Case-level high-reliability technology maximizes the reliability of the storage active-active solution. HyperMetro’s high-reliability technology is mainly reflected in
Which of the following? (multiple choice)
There are 1040GB files that need to be backed up, the backup window is 6 hours, and the GE network and media end deduplication, then the following statement is correct
Yes: (multiple choice)
(multiple choice) OceanStor 9000 adopts Erasure code technology to protect data. If a site has 6 nodes,
And the customer wants to ensure that the data can be recovered even if three disks are broken in one strip, the redundancy protection levels that can be adopted are:
(multiple choice) Which of the following is correct in IDC's description of the characteristics of big data?
In the Huawei dual-active disaster recovery solution, the peak write bandwidth of an application needs 10MB/s, and the average write bandwidth needs 200KB/s.
The average write I/O volume is 4KB, and the bandwidth utilization rate is 70%. What is the bandwidth required for the application to deploy asynchronous remote replication?
In the use of OceanStor BCManager eReplication for disaster recovery switchover and fallback testing, the production end and disaster recovery
Both end arrays must support the snapshot feature.
