Which are the advantages of the optical switching topology relative to point-to-point and the arbitration ring? (Select 3 Answers)
Analysis of SAN system IO path, when the path of the terminal controller RAID module to the DISK is abnormal, the system will let the end controller to deal with the IO by IBS channel, then IO path is longer, the performance will declinE.
When do a rollback operation to the virtual snapshot, the source LUN of snapshot cannot be mapped to the operating system.
Running df output on AIX ias follows:
# df /kyleFilesystem 512-blocks Free %Used Iused %Iused Mounted on /dev/hd2 16056320 1925384 89% 110034 100% /kyle
At this time, it can't create a file or folder in this /Kyle directory.
UltraPath multipath software supports multiple network connection mode, and the most simple way of connecting method is directly connected network.
HP-UX does not need to be installed UltraPath multipath software additionally, which can be realized the function of multipath through the own pv-link of the system.
What are the common networking methods in SAN practical applications? (Select 2 Answers)
In video monitoring business, RAID levels of the array recommend choosing RAID10, in order to achieve higher performance requirements.
Multipath operation process is abnormal in Windows platform, which log files is suggested to main analysis?
Which are the troubleshooting steps of fault diagnosis for iSCSi host link? (Select 3 Answers)
About LUN copy technology, which of the following statements are correct? (Select two Answers)
Remote copy link between array according to transport protocol is divided into which several? (Select three Answers)
Smart prefetching algorithm can dynamically analyze the current business IO randomness and the rule of the IO size, determine whether start-stop prefetching and setting up the prefetch window sizE.
For snapshot , LUN copy and remote replication of storage array, which of the following statement is true? (Select 3 Answers)
For incremental LUN copy of storage array, which of the following is correct?
Hyper replication technology of Storage array is usually based on block level of replication.
When HyperManager manage remote replication strategy, it can only manage synchronous remote replication.
For S5000T storage array, if the source LUN of virtual snapshot belongs to controller A, and then the virtual snapshot can only use the source LUN of resource pool A.
In FC arbitration ring architecture, when the device is join or exit, do not have effect on other devices of the ring.
Which of the following components do not belong to FC SAN network hardware?
In the Linux platform, which of the following commands can be used to check the mapping which adds for the host on the array?
On which component UltraPath multipath software is deployed in the network?
A set of S5500 write policy set to write-back, after a controller lapsed, LUN's write strategies will translate into through.
Which of the following HostAgent components need to restart the host after the installation is complete?
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.
About iSCSI protocol implementation of three parts, which describe are right? (Select three
Answers)
what are the main difference between optical fiber topology FC-AL and FC-SW? (Select three
Answers)
What are the main functions of UltraPath multipath software? (Select 3 Answers)
Incremental LUN copy about storage array, which of the following are correct? (Select two Answers)
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?
Which of the following functions need to use the space of resource pool in storage arrays? (Select two Answers)
For the storage array products, which of the following reasons will cause full amount LUN copy fault? (Select 3 Answers)
Substitution method is to use a normal part to replace a suspected abnormal part, so as to achieve the parts of the aim of locating faults and troubleshooting, can be a fiber optic jumper, a cable, a controller or a cascade modulE.
For storage array LUN copy function, same LUN can't do multiple incremental source of LUN copy.
Below the write Cache strategy description about the array is not the right are:
About the storage array, which LUN copy function is true? (Select two Answers)