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Constraints

Updated on 2024-05-31 GMT+08:00

Operations

  • An existing OBS bucket cannot be changed to a parallel file system. For details about how to create a parallel file system, see Creating a Parallel File System.
  • Custom domain names of parallel file systems cannot be configured on OBS Console.

Functions

  • Image processing currently cannot be used to process (such as downsize, resize, or watermark) images stored in parallel file systems.
  • Server-side encryption is not supported.
  • Versioning is not supported.
  • Bucket inventory is not supported.
  • Static website hosting is not supported.
  • Configuration of default storage class for a parallel file system is not supported.
  • A parallel file system can be mounted to multiple Linux servers for concurrent reads, but this is not recommended for concurrent writes.

Performance

  • A parallel file system provides a maximum bandwidth of 10 MB/s per TB by default.

Naming

  • In a parallel file system, a file name cannot contain two consecutive slashes (//). For example, if you name a file as test//123.txt, an error will be reported.
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