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Directory-container storage pools FAQs

Question & Answer


Question

Tip: IBM Spectrum Protect was previously known as IBM Tivoli Storage Manager.
  1. What is a container type storage pool? Are there different types of container storage pools?
  2. How are DIRECTORY type containers different from DISK or SEQUENTIAL type volumes?
  3. Can I move data out of a directory-container storage pool?
  4. Can I use existing commands or utilities to move data out of a directory-container storage pool?
  5. Can I move data within a directory-container storage pool?
  6. How can I store existing data to a directory-container pool by using replication? Are there other techniques?
  7. How can I protect storage pool data if I cannot use the BACKUP STGPOOL command with this type of storage pool?
  8. Can I reclaim volumes in a container-copy storage pool?
  9. Do I need to issue the PROTECT STGPOOL command if I replicate all nodes in a directory-container storage pool?
  10. Can I issue a REPLICATE NODE command if the target server is a version 7.1.2 or earlier server?
  11. What is inline data deduplication?
  12. Does the inline data deduplication use the same data deduplication methods as client-side data deduplication?
  13. Do I need to reorganize the database tables if I use directory-container storage pools?
  14. Do I need to reorganize database indexes if I use directory-container storage pools?
  15. Can I reduce the number of servers I use by migrating data to directory-container pool? How do I calculate how many servers I need for the hardware that I use?
  16. Why do I see two different types of container storage pools stored in my filesystem(s)?
  17. Why do directory container sizes vary?
  18. Can I generate node-level data deduplication reports for directory-container storage pools?
  19. Is it possible to get detailed space savings information through the server SUMMARY SQL table for the directory-container storage pools?
  20. Is there a background housekeeping process for directory-container storage pools similar to existing deduplicated storage pools (SHOW DEDUPDELETEINFO)? 
  21. Is there a DELETE CONTAINER command, or some equivalent, for removing storage from a directory-container storage pool?
  22. How does the storage pool REUSEDELAY parameter affect data extents in a container storage pool?
  23. Do directory-container type storage pools complete any defragmentation of containers?
  24. Is there a first failure data capture file I can look at if I am experiencing some type of failure?
  25. Is there any guidance document available to set up a container storage pool? Specifically, documents around provisioning proper system and storage and system tuning?
  26. Can I enable at-rest encryption for an existing directory-container storage pool?
  27. When should I schedule the ENCRYPT STGPOOL operation?
  28. How many processes should be used during the ENCRYPT STGPOOL operation? 
  29. How does directory-container storage pool encryption affect my replication target storage pool?
  30. What are the benefits of server-side at-rest encryption vs client-side encryption?

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Document Information

Modified date:
19 March 2020

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ibm13227697