Which of the following options does not belong to the hardware components of IP SAN?
A. Ethernet connected devices
B. iSCSI Host bus adapters
C. Storage Device
D. initi tor Starter
Which component is responsible for writting the host cache data to the hard disk in HostAgent?
A. HyperManager server
B. InbandAgent
C. ConsistentAgent
D. HyperManager client
When do a rollback operation to the virtual snapshot, the source LUN of snapshot cannot be mapped to the operating system.
A. True
B. False
About HostAgent scheme, which of the following is wrong:
A. HostAgent support oracle etc main database applications
B. only support host application of Windows and Linux system
C. HostAgent support graphical interface unified management and configuration
D. HostAgent interface management support centralized management application servers
install multipath in Linux platform, need to check the array information of multipath management, which command can be used to? ?
A. upadm chconfig
B. upadm show path
C. upadm show array
D. upadm show vluns
In system performance tuning method, which of the following optimization has the lowest cost with less result?
A. architectureoptimize
B. hardware upgrade
C. configure tuning
D. code optimize
ISM use JWS technology, JWS is mainly used to deploy the application through network, it is security, stability, easy maintenance and easy to usE.
A. True
B. False
How to troubleshooting whether there is impact performance of failure hard disk in storage system (slow)?
A. under CLI check RAID LUN state, whether if it is abnormal
B. in storage debug mode, through the command of iostat -x -d 1 to check IOof 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 1OO%, and other disk are free, can judge the hard disk performance
C. on host side check LUN IO state under multipath
D. check the link state in host side and ISM storage interface
At the core of performance in storage system, which of the following indicators are: (Select two Answers)
A. IOPS
B. volatility
C. bandwidth
D. the response time
For S5000 and S2600 system, DB is configuration information in storage system, intraday record in the safe system, when power up, controller reads the DB. If there is a DB does not agree with other DB, storage will enter in safe mode, equipment can't normal use, need to synchronize the DB information.
A. True
B. False