Exam 11: HCIE-Storage

Customer Environment SuSE 10SP3, HBA QLogic QLE2562, using the operating system comes with HBA card driver. The storage array is Huawei OceanStor V3 storage, when storing the FC host port on the system and the HBA on the host. When the card port mode is inconsistent, it is usually recommended to modify the FC host port mode on the storage side to solve the problem.

The smart Matrix architecture is 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.

In order to support business expansion, a large enterprise has decided to purchase two Huawei OceanStor 9000 storage systems instead of existing NAS systems. Cheng replication capabilities, The two systems were deployed in two cities. S data center (D and Y said), mutual backup, usually a system as the main System work, the other as a disaster recovery system, The main operating system of the business operation time is 8: 00-18: 00. Which of the following description of disaster recovery on disaster recovery applications planning is correct? (Multiple choice.)

Which statements are true about the performance of RAID 10 and that of RAID 5? (Multiple choice.)

An Oceanstor V3 system "alert" shows a message: "SPF [0] LOW Rx power alarm because Low Rx pow ALM of SFP0 is deleted/deflected . "The cause of the malfunction is:

What is the error in the ASM description of the oracle?

Erasure code redundancy technology used in Huawei OceanStor 9000 supports higher reliability and more flexible redundancy than traditional RAID algorithms. Which of the following statements regarding the principle of Erasure code N + M is wong?

One customer purchased two Huawei OceanStor 9000 storage devices and deployed them in A and B cities respectively and configured the InfoReplicator function. Regarding production site A data reliability, which of the following descriptions is wrong?

When planning dual-active disaster recovery solution, the business end adopts the cluster application. Which of the following clusters is the application cluster?

Customers in the process of using Simpana software, CS for some reason can not start normally. You need to restore the CS. Which of the following situations will cause the restoration to fail?

The peak write bandwidth for an application is 10MB / S, with an average write latency of 200KB / s and an average write IO size of 4KB (bandwidth utilization of 70%). If you need to use OceanStor V3 storage array to implement data disaster recovery and set it as asynchronous replication mode, you need the minimum network-wide bandwidth of which of the following?

Which statements are true about Huawei OceanStor V3 WORM feature? (Multiple Choice)

In simpana backup software, incremental backup means _______.

HPUX system has two user volume groups: VG01 and VG02. If you execute the following commands: vgexport-v-s-p -m /tmp/vg01.map / dev / vg01 and vgexport-v -s -m /tmp/vg01.map / dev / vg02. What will be available using vglist to view the volume?

When planning OceanStore Unified Storage Array synchronization remote replication, the following description is correct.  (Multiple choice.)

The Simpana service does not start on a Unix platform.  You execute the simpana list no PID display information, and the simpana restart command also shows there is a service running. this problem can be solved by removing the client server tmp directory. lock_Galaxy file.

Which of the following description of the storage protocol is correct? (Multiple choice.)

A customer RAID 5 fails in the OceanStor v3 storage array. After the engineer reclaims the RAID group to the degraded state through commands, the RAID group tries to rebuild, but reconstruction failed many times, which of the following is correct (multiple choice).

Which of the read and write strategies of Huawei Oceanstor V3 storage system is correct?

There are many services in the 8500 clustered NAS system that support system functions, such as NFS and CIFS basic service groups. Each service group is a collection of resources, each resource has an agent responsible for managing these resources, the availability of these resources directly or indirectly affect the status of the service. Which of the following is not an NFS service group resource agent?