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In Huawei Oceanstor V3 storage system, if a hard disk domain performance layer has 50 pieces of SAS hard disk with same parameters, and hot standby strategy is high, then how many pieces of SAS hard disk capacity does the system will reserve for that layer to do hot standby space ?
A. 2 pieces of hard disk
B. 3 pieces of hard disk
C. 4 pieces of hard disk
D. 5 pieces of hard disk
In Huawei Oceanstor V3 storage system, which of the following description about HyperClone is wrong?
A. Clone is one of snapshot technology, a complete copy of the source data at some point in time, it is a kind of incremental synchronization backup mode
B. can be split into two independent LUN
C. reverse synchronization allows the changed data from the LUN copy to the original LUN
D. When you create a clone,the original LUN can be ThickLUN, slave LUN is ThinLUN.
Which of the following description about Huawei RAID 2.0+ technology is correct?
A. Each storage layer hard drive type in the hard disk domain is the same
B. hard disk space is divided into fixed-size pieces
C. Users can respectively set "RAID policy" for each of the storage layer in the storage pool
D. grain as the smallest particle of data migration and basic units of ThickLUN composition
Which of the following description about the characteristics of Huawei Oceanstor V3 storage product is correct ?
A. If you need to provide NAS function ,need to purchase additional NAS engine
B. If you need to take over other manufacturers storage arrays, and integrated into a unified resource pool, you need to purchase additional virtual gateway
C. Data can migrate between SSD and HDD in accordance with the strategy, performance and capacity have both
D. remote replication function can not be carried out between 6800 V3 across and 5300 V3
RTO in disaster recovery systems measurement index refers to after the disaster, system and data must be restored to the time objectives requirements.
Establish SCSI connection requires five steps, the following options £¬ which order is correct?
A. negotiate—addressing—connect—bus idle—disconnect
B. addressing—bus idle—connect—negotiate—disconnect
C. bus idle—addressing—negotiate—connect—disconnect
D. bus idle—negotiate—addressing—connect—disconnect
Reasure Code redundancy technology is a superset of RAID technology, compared with traditional RAID technology, Reasure Code provides better flexibility.
In Huawei RAID2.0+, when one storage layer’s hot standby policy is low, then the following description about the system reserving the hot spare’s capacity for the layer, which is wrong?
A. When the layer’s total disks number is 10, reserve an equivalent of one hard disk’s capacity
B. When the layer’s total disks number is 12, reserve an equivalent of one hard disk’s capacity
C. When the layer’s total disks number is 20, reserve an equivalent of two hard disk’s capacity
D. When the layer’s total disks number is 48, reserve an equivalent of two hard disk’s capacity
Cloud data center on the basis of data center to virtualize storage resources, computing resources, network resources, etc., providing a virtualization platform.
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