TSM’s focus on flexibility by providing utilities and API for the product dramatically increases the complexity of the solution.The non-integrated nature of TSM leads to finger-pointing among the server, storage, networks, operating systems, and data protection (backup, archiving, disaster recovery) software vendors when a problem occurs.TSM tends to have a lower ROI (Return on Investment) and higher TCO (Total Cost of Ownership) due to higher operational expenses of putting together, managing, and monitoring servers, storage, networks, operating systems, and data protection (backup, archiving, and disaster recovery) software.TSM licensing fees tend to be expensive for growing businesses due to the licensing model – charging on a per-feature, per-client, per-operating system, and the like basis.Primary Disadvantages of IBM Tivoli Storage Manager: Tivoli provides a very rich Application Programming Interface (API) and toolsets for those storage specialists who want to write their own scripts and software and stitch together a data protection solution to best fit the organizations needs.TSM has a lot of agents for different operating systems and applications.If there is a prior investment in tapes, Tivoli can help leverage that as primary backup storage. TSM provides a lot of flexibility to interface with various storage targets primarily focusing on tape installations. TSM has tight integration with other products in the IBM portfolio.Primary Advantages of IBM Tivoli Storage Manager:
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