Huawei
H13-624_V5.0 · Question #663
During the data migration process using Huawei Oceanstor v3 SmartMigration, the data request issued by the host I/O is synchronized to the source LUN and the target LUN in real time through double…
The correct answer is B. Double write can make the I/O request of the source LUN be delivered to the local cache and the C. The DLC can only be eliminated if the source and target are written successfully, otherwise the. See the full explanation below for the reasoning.
Question
During the data migration process using Huawei Oceanstor v3 SmartMigration, the data request issued by the host I/O is synchronized to the source LUN and the target LUN in real time through double writing to ensure that the data after the migration is completely consistent. Which of the following is about double writing is correct? (Multiple choice)
Options
- ADuring the double-write process, both the source and target LUNs have their own DLC record
- BDouble write can make the I/O request of the source LUN be delivered to the local cache and the
- CThe DLC can only be eliminated if the source and target are written successfully, otherwise the
How the community answered
(23 responses)- A26% (6)
- B74% (17)
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