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.
Which of the following are true? (Select two Answers)
Among database, Email, WEB applications and other critical business applications, which type of hard disk is advised to choose? (Select 2 Answers)
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?
The subordinate LUN’s space of synchronous remote replication must be greater than or equal to the source LUN.
The problem of storage system configuration (DB) usually can be prevention through routine maintenance, which of the following measures can prevent system cannot recover when DB abnormal problems appear? (Select 2 Answers)
ISCSI is based on TCP/IP protocol, the default service port is?
In S5000T disks copy technology of the storage system, which two key parts are included? (Select two Answers)
For AA model storage controller, STMS in solaris OS can realize Failback function.
Two reliability for 80% of the components of a serial system, how much reliability of this system?
Under 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?
The ISM equipment management software support: SMI-S, SNMP and other protocols.
If it spent 10s reading 100 100KB file and 0.1s reading a 10MB file, then how many times is the later transmission bandwidth by the former?
For snapshot , LUN copy and remote replication of storage array, which of the following statement is true? (Select 3 Answers)
In the same case of IO environment and disk type, which of the following description of RAID5/RAID10 Performance Comparison is wrong?
For incremental LUN copy of storage array, which of the following is correct?
For LUN copy function of storage array, the same LUN cannot be target LUN of multiple incremental LUN copy.
Which of the following opinions about storage system boot failure or abnormal problem diagnosis are correct?
Which does not belong to HostAgent component?
The following which do not belong to the methods to improve the reliability of the data stored?
When HyperManager manage remote replication strategy, it can only manage synchronous remote replication.
If the LUN on the storage array created the virtual snapshot, under the condition of the source LUN data is deleted by mistake, what method can be used to restore data? (Select 2 Answers)
Which of the following reasons will cause remote replication fault between arrays?
Host side report the failure of "IO error or IO timeout", which of the following aspects can
eliminate storage side issues? (Select three Answers)
Multipath install failure in Windows platform in the case of old version do not completely uninstall, which of the following method can solve the problem? (Select two Answers)
Which of the following command can check kernel version information in linux system?
Compared with the traditional local storage and DAS storage, which of the following are main characteristics and advantages belong to modern new SAN array storage?(Select 3 Answers)
In read SCSI, the process of interaction of initiator and target is less than the writing process of interaction of initiator and target.Mainly in the process of writing, need to distributed cachE.
LUN copy in storage array do not support copy a source of LUN to two goal LUN at the same time
About the iSCSI protocol, which description of the following are right? (Select three Answers)
When create copy of LUN, if the size of the source LUN is 500G, then the LUN of remote array capacity under the target can't be used for copy of LUN.(Select 2 Answers)
In the Linux platform, the host connected to the storage array, which of the following statement is wrong?
Arbitration ring topology can extend the maximum number of equipment is ? (not include its node)?
Two criteria based on SMI: CIM (Common Information Model) and WBEM (Web Based Enterprise Management)
For asynchronous remote replication of storage array, which of the following limited number of the added subordinate LUN is correct?
In the synchronous remote copy of storage array, if copy link break, will lead to the corresponding business interruption in host.
Which of the following options does not belong to the component of SAS domain?
OceanStor medium of hard disk storage system scan, by which method?
LUN copy S5000 incremental must interrupt host operations of reading and writing for the data of S5000 source LUN
ATA to SATA is actually from serial to parallel shift.
About IOMeter and Dynamo, which of the following statement is wrong?
In storage array, what are the common faults in snapshot scheme? (Select three Answers)
For storage array products, which may cause the failure of Incremental LUN copy?(Select 2 Answers)
The SCSI protocol communication is based on the initiator-target model, encapsulated SCSI of iSCSI protocol also inherit its initiator and target communication model.