transparent cloud tiering

This topic describes transparent cloud tiering use cases.

There are multiple transparent cloud tiering use cases:
  • You can tier file data from the IBM Storage Scale file system onto your cloud object storage, which improves storage efficiency and cost effectiveness.
  • You can transfer data to the cloud without leaving the data in the IBM Storage Scale cluster if the data is cool and not actively being accessed by applications. You can transfer data to the cloud and leave the data in the IBM Storage Scale cluster (if the file is in co-resident state). However, data might be warm though it must be stable, which means it is not actively being updated or deleted by applications.
  • You can select data by using Information Lifecycle Management (ILM) policies. You can use the policy to enable migration of files from a particular storage pool or fileset (existing ILM functions).
  • You can access file stubs, which means that files are transparently recalled. Use this feature for occasional data access but not for high-performance access as the latency can potentially cause application timeouts). You must keep the transparent recall policy applied always on the file system that is managed by transparent cloud tiering.
  • You can use the policy to perform a bulk recall operation for high-performance operations.