QUESTION: 1

The failure of install multipath is mostly due to compatibility, which components mainly needs to consider compatible when install multipath? (Select three Answers)

with OS specific version
with HBA card
server system hard disk drive
with iSCSI initiator software

Answer(s): A,B,D

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QUESTION: 2

How to troubleshooting whether there is impact performance of failure hard disk in storage system (slow)?

under CLI check RAID LUN state, whether if it is abnormal
in storage debug mode, through the command of iostat –x –d 1 to check IO of storage system, the average service time of some disk (svctm) over a period of
time is obviously more than other disk, %util is close to 100%, and other disk are free, can judge the hard disk performance
on host side check LUN IO state under multipath
check the link state in host side and ISM storage interface

Answer(s): B

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QUESTION: 3

About storage network management software, which description is wrong?

equipment management can manage storage array device
business management, business flow management
topology display, visual display device of the current topology connection status
DHA service management, hard disk health data/performance data

Answer(s): A

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