June 2004
Intermediate to advanced
342 pages
9h 3m
English
book
Understanding the IBM TotalStorage Open Software Family
by Roland Tretau, Joe A. Burnett, Norbert Engst, Kazue Okano
Content preview from Understanding the IBM TotalStorage Open Software Family
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Chapter 5. Storage management 223
Synchronization
Synchronization involves maintaining the IBM Tivoli Storage Manager for Space
Management database in sync with the actual files on the original file system. It
ensures that:
For every stub file, there is a valid file copy kept
For every original file on the original file system, there are no database entries
For pre-migrated files, there is an entry in the IBM Tivoli Storage Manager for
Space Management database
It also updates status fields in the database.
For example, if you recall a file, change it, and immediately migrate it, IBM Tivoli
Storage Manager for Space Management has two copies of the file in its storage:
the most recent one, which is valid, and an obsolete one. Reconciliatio ...
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