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Which basic functions can log analysis function of maintenance Assistant achieve? (Select 3 answers)
Because of differences in the operating system itself, each of multi-path software has different compatible versions under the different operating systems, and even different versions of the same operating system, may have different multipath versions, so before installing the multipath software, need to query version supporting table, confirm the compatibility between multipath and OS, HBA carD.
Incremental LUN copy about storage array, which of the following are correct? (Select two Answers)
In FC-SAN, server IO requests through which components eventually can arrive to storage medium? (Select 3 Answers)
For snapshot , LUN copy and remote replication of storage array, which of the following statement is true? (Select 3 Answers)
The failure of install multipath is mostly due to compatibility, which components mainly needs to consider compatible when install multipath? (Select three Answers)
With Linux, a disk output is as follows.
# fdisk -l
Disk /dev/sd 80.0 GB, 80026361856 bytes
255 heads, 63 sectors/track, 9729 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 * 1 2805 16386300 83 Linux
/dev/sdb2 2806 9729 55617030 5 Extended
/dev/sdb5 2806 3825 8193118+ 83 Linux
/dev/sdb6 3826 5100 10241406 83 Linux
/dev/sdb7 5101 5198 787153+ 82 Linux swap / Solaris
/dev/sdb8 5199 6657 11719386 83 Linux
/dev/sdb9 6658 7751 8787523+ 83 Linux
/dev/sdb10 7752 9729 15888253+ 83 Linux
Which of the following opinions are correct?
When deploy N8000 system by ISM, which of the following characteristic of the management software are not used?
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)
Synchronous remote replication connection between two storage array can use FC link or iSCSI link, and which can use the two kinds of links to connect at the same timE.
About switched optical network topology, what of the following description are correct?(Select 3 Answers)
Which of the following command can check kernel version information in linux system?
The management mode of ISM integrated storage management software for storage array is the in-band management modE.
Which of the following HostAgent components need to restart the host after the installation is complete?
S5000 full amount LUN copy must interrupt host S5000 source LUN data read and write operations.
In the host random write business scenario, what are the main factors influencing the performances of storage array?(Select 3 Answers)
When add LUN from S5000T configured asynchronous remote replication, Set the type to " timer wait begin at the same time " Timing length is 720 minutes " Assuming 10:00 start synchronization, Synchronization process takes 100 minutes, so what is the time for the start of the next synchronization?
The default mode of FC host interface and host communication is arbitrated loop in SAN storage array, the host side HBA card usually adopts adaptive communication mode
About iSCSI protocol implementation of three parts, which describe are right? (Select three
Answers)
With AIX system, what command is to check whether the disk can identify normally? (Select 2 Answers)
In video monitoring business, RAID levels of the array recommend choosing RAID10, in order to achieve higher performance requirements.
The remote copy of storage array, which of the following LUN cannot be as the subordinate LUN of remote replication? (Select 3 Answers)
For AA model storage controller, STMS in solaris OS can realize Failback function.
About snapshot, LUN copy and remote replication on array, which of the following are true ? (Select 2 Answers)
Remote copy link between array according to transport protocol is divided into which several? (Select three Answers)
What are the common failures according to the component object classification in FC SAN network? (Select three Answers)
During the following several kinds of optical fiber network topology, which topology network can extend equipment (nodes) up to?
Among database, Email, WEB applications and other critical business applications, which type of hard disk is advised to choose? (Select 2 Answers)
Which aspects should be mainly considered in the host-side performance tuning?(Select 3 Answers)
Find a program of /usr/bin/hot_add on a redhat sever, but not sure whether it is installed with UltraPath rpm package, then what command can run to confirm?
At the core of performance in storage system, which of the following indicators are: (Select two Answers)
Active-Active work mode: normally called double living mode, two controllers are in activation state, parallel processing the I/O requests from the application server, once a controller failure or offline, another controller will take over his work in time, and shall not affect its current task.
TESTED 27 Apr 2024
