I believe the key criteria for large multi-departmental NAS implementations are the reduced cost of managing data for all the departments. Assume a single IT organization manages everything for all departments. A large NAS system with data management capabilities provides ease of management benefits for all departments simultaneously.
That said, the key criteria are something like this:
- What is the total capacity of the NAS system?
- How many departments will use it?
- How much capacity does each department expect to use?
- What is the data growth rate in each department?
- When will the NAS product run out of capacity?
- When it does, what is the plan?
- How is backup accomplished? Can it be done at all?
- Are there other data management tools that can be leveraged across all departments?
- Do these tools allow each department to be treated individually?
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This was first published in October 2001