When restarting the Huawei Oceanstor 9000 node, if the log information shows "phy: 25, handle SMP req 2" and "phy: 26, good handle SMP req 2", it means that the system disk is faulty, which may not start normally.

• A.True
• B.False

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ACL can be used to grant permissions; it also can be used to prohibit restrictions.

• A.False
• B.True

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Which are customer benefits provided by the InfoTier feature of Huawei OceanStor 9000? (Multiple Choice)

• A.The cost advantages of different storage media are brought into full play, reducing deployment and maintenance costs.
• B.Based on the mapping between file attributes and storage devices, files are automatically migrated, simplifying management and reducing management costs.
• C.The response to hotspot data access is faster, improving the storage performance.
• D.The storage performance is improved, and data is intelligently managed.

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Huawei remote replication technology is used in a disaster recovery solution and a consistency group is established. Which of the following statements is correct?

• A.The LUNs in the consistency group can come from different storage arrays.
• B.Support up to 4 consistency groups.
• C.If the data of a LUN in the consistency group is lost, the data of other LUNs will not be affected in any way.
• D.If the data of a LUN in the consistency group is lost, the data of other LUNs will also become unusable.

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Which of the following statements about the InfoStamper feature of Huawei OceanStor 9000 is false?

• A.Huawei OceanStor 9000 stores metadata in mirrors for redundancy, and uses the COW technique to ensure data reliability.
• B.The advantage of ROW lies in the minor impact on system performance.
• C.The InfoStamper feature employs the ROW technique.
• D.The InfoStamper feature provides file-level snapshots.

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