HCNP CUSN Huawei Certified Network Professional - Constructing Unifying Storage Network Set 3

Under Linux platform, the host message information is important log of the host-side fault diagnosis, among the logs collected by collecting tools HostInfoTools - 1.2 sh, which file is the message log?

Configure snapshot on S5000, snapshot also occupy storage space, and take up the same size space with the source LUN.

Which aspects should be mainly considered in the host-side performance tuning?(Select 3 Answers)

Before configuring the remote replication, need to establish a physical link connection between the local array and remote array, a controller of the back-end storage system cannot be connected the two controllers of the remote storage system at the same timE.

Winchester hard drive technology refers to the plating seal, fixed and high-speed rotating disk, magnetic head moves radial along the plate, head suspended above the high speed rotating discs, and do not directly contact with the disk.

The ISM equipment management software support: SMI-S, SNMP and other protocols.

Virtual snapshots of OceanStor storage must have the support of resources LUN.

Under Linux platform, one of Multipath installation failure is the old version not completely uninstalled, which of the following methods can solve the problem?(Select 2 Answers)

In the video-on-demand business system, S5000 storage suggest the most appropriate Cache prefetching strategy is:

A single 1TB hard disks performance is better than double disc with type of 1TB hard disk.