What command is used by Linux platform to check nic physical connection status and working mode?
Under Linux, which are the basic principles of the dd command test performance tuning? (Select 3 Answers)
In the process of the whole disk copy, RAID group is in normal condition, all member disks are in available state, data redundancy information of RAID group is complete, and the customer data has no risk of loss.
The most important three part of SAN network in technically: device interfaces (E. g, SCSI, fiber channel and ESCON, etC. ), connection device (switches, gateway, router and Hub, etC. ) and communication control protocol (E. g iSCSI and FC, etC. ) the three components plus additional storage devices and servers, constructed SAN system from the component, the SAN can be divided into host,HBA, switches, storage devices of the two is not match.
Two arrays are connected to make remote replication, what the method of copy link connection is correct? (Select two Answers)
Remote copy link between array according to transport protocol is divided into which several? (Select three Answers)
Connection between host and storage arrays through IP SAN in AIX platform.Ask AIX system version must not less than 5.2.The command of specific check the system version is oslevel-r
For Huawei's storage system, which of the following description of global hot dish is correct? (Select 3 Answers)
What are the common networking methods in SAN practical applications? (Select 2 Answers)
For storage arrays products, What may cause the failure of roll back the snapshot? (Select three Answers)
For snapshot , LUN copy and remote replication of storage array, which of the following statement is true? (Select 3 Answers)
Under the network environment of FC SAN, LUN lost in host cause business interruption, this fault
scenario, what are the main reason? (Select three Answers)
For system performance test, what kinds of the tools are divided into? (Select three Answers)
Which of the following statements of remote replication functions of array is correct?
RAID5 random write exist "punishment", which will influence the write performance, which of the following opinions are correct? (Select 3 Answers)
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.
To improve performance, hot zone should be distributed in traditional hard disk inside as far as possible, because access data is fast in disk insidE.
The following IP SAN connection is implemented, which way is the highest prices, but the performance is the best?
Which aspects should be mainly considered in the host-side performance tuning?(Select 3 Answers)
In creating remote copy, if the size of the source LUN is 500G, then in remote array, which of the following target LUN's capacity cannot be used for remote replication? (Select 3 Answers)
Which of the following description of network product warning issued, obtain and process? (Select 3 Answers)
Hard drive unit in random IO application is the easiest to become one of bottleneck modules.
Which of the following commands are scanning disk under AIX? (select 2 answers)
host port of storage controller with host port that need to connected try to divide in the same VLAN or zone, in order to improve network utilization.
LUN copy S5000 incremental must interrupt host operations of reading and writing for the data of S5000 source LUN
The source LUN of storage array remote copy is 500GB, which of the following LUN can be used as the subordinate LUN of remote copy?
Which of the following description of module function within SAN storage array system is correct? (Select 2 Answers)
A single 1TB hard disk's performance is better than double disc with type of 1TB hard disk.
Among database, Email, WEB applications and other critical business applications, which type of hard disk is advised to choose? (Select 2 Answers)
Striping depth change under random write performance rule of RAID5, which of the following is right?
For the performance of storage, in brief the faster of the storage response time, the higher of IOPS
Fail to Login S2600V1R5 storage system by ISM, so the management network port IP address can be connected with the management terminal IP address, which can normal login storage system through SSH, the state of showsys and showctrlinfo is normal, what are the possible failure cause?(Select 3 Answers)
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TESTED 21 Nov 2024
