Which of the following statements correctly describe the improvements of SAS technology compared to SCSI? Select All that Apply.
When configuring Thin LUN, not all configured storage space is allocated upon creation. The storage space for Thin LUN will only be allocated when it is used.
Which statements are true about a dual-controller storage system? (Select All that Apply)
The following description of DAS is incorrect:
A, DAS is directly connected to the designated storage device on the server using them
B, DAS is divided into internal DAS and external DAS
C. The hard disk inside the server is not DAS
D. External DAS can be connected to the server accessing them through FC protocol or SCSI protocol
Which size of HDDs is used by Huawei storage products?
The following storage functions can provide customers with data disaster recovery functions: (multiple choice)
A, snapshot
B. Cache prefetch
C, remote replication
D. Hierarchical storage
Which of the following is not a backup type?
Among the following options, what is the correct sequence of the basic business configuration process for data center block storage?
1. Create a mapping view. 2. Create a storage pool. 3. Create a hard disk domain. 4. Create a LUN and create a LUN group. 5.
Create a host group. 6. Log in to DeviceManager
A, 6->2->3->4->5->1
B, 6->3->2->4->5->1
C, 3->2->4->5->1->6
D, 4->5->2->3->1->6
What is wrong with the following description of DAS?
A, DAS refers to the storage device is directly connected to the server through a SCSI cable or Fibre Channel
B. The data in DAS mode is still scattered, and each application has a set of storage devices. Management is decentralized and cannot be centralized
C. When the server and the storage device are directly connected, new application requirements arise, only for the newly added server
Separate storage device configuration, resulting in repeated investment
D, DAS storage space can be fully utilized, storage devices that can be shared by different application servers, fully
Leverage idle storage space
The following description of the characteristics of the LAN-FREE backup method is incorrect:
The following description of IOPS is wrong:
Is the following description about Quota tree correct?
A, Quota tree is a first-level directory under the file system
B. Only administrators can create, delete, rename, etc. through the command line or GUI management interface.
Users can delete the empty Quota tree
C, Quota tree can be renamed and deleted when sharing through agreement
D. Ordinary users can perform quota management on the number or capacity of files under Quota Tree
The following description of common storage protocols is correct?
When deploying random small IO-based database services on storage, which RAID type should be appropriate? for
what?
According to the changes in the amount of backup data, the types of backup can be divided into:
