When I Migrate Data from OBS to NAS on Huawei Cloud, What Will Happen If There Are Objects with the Same Name but Different Capitalization at the Source?
In OBS, the names of files and folders are case sensitive, but in NAS, they are not. How files or folders with the same name but different capitalization are processed during a migration from OBS to NAS depends on the overwriting policy configured in the migration workflow. No matter which policy is used, no two files or folders in a given directory in the target NAS storage system can have the same name.
- If older or different size:
- The system replaces existing target files if they are older than or differ in size from their source counterparts. Files with matching modification times and sizes remain unchanged and are skipped from migration.
- The system verifies folders after their content is migrated. Folders that already exist at the target are overwritten if they have different last modification times, sizes, or permissions from the paired folders at the source.
- Never: With this policy, any source files with the same name are skipped, and the paired target files are retained.
- Always: Files exiting at the target are always be overwritten by files with the same name migrated from the source.
- If different CRC64 checksum: This option is only available for migration within Huawei Cloud or from Alibaba Cloud, Tencent Cloud, or AWS. If a source file has a CRC64 different from the target file, the source file overwrites the target file. Otherwise, the source file is skipped during the migration, and the target file is retained. If either of them does not have a CRC64 checksum, the target file is overwritten.
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