In the process of RAID reconstitution, need to read multiple disk data during the RAID. Through the check algorithm to calculate the data on the disk, the cost of reconfiguration for system is higher.0ccupy back-end bandwidth, so appear the disk copy technology, through hard disk scanning technology, find the error hard disk in advance, directly copy the fault of the hard disk data to hot standby disk, thus not only protect the data but also reduce the utilization of system resources.
A. TrueUnder 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?
A. PR0C. txtAbout iozone and iometer, which are true? (Select two Answers)
A. iometer support graphical configuration interfacewhen SAN storage array power up, enter into MML mode, sys status check System Running Status: ( normal mode ) normal mode shows power up successful for the system.If it is not normal mode, can judge power up failure for the system.This judgment method of system startup anomaly is correct.
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