Replacing or upgrading your existing storage array can be a daunting task, since the performance & availability of your business applications hang on what process you pick to make use of.
Be positive to pick a process or process upgrade that accommodates both short term & long term strategies for growth. While there is no ideal choice as trade-offs exist in all storage offerings, there is several questions you can ask yourself to help guide you in the decision-making process.
1. Why do they need to upgrade or modify this process? Be positive to evaluate all emotional parts of the decision, such as who will be affected & all associated risks?
2. What new applications are coming online in the next 12-24 months? How will these applications affect my storage consumption?
3. What remaining lease payments exist? How plenty of are there? What is my buyout number?
4. In the event that they replace this process, how much capacity will they must buy? Carefully examine the requirements to address the root issues & make positive that you have planned for long-term capacity.
5. What will the migration process look like in the event that they purchase a brand spanking new process?
6. What other infrastructure projects can they tackle in the event that they opt for an upgrade in lieu of a complete replacement?
7. In the event that they opt to replace, how much of a learning curve will there be as my staff & I become proficient with the new process?
8. What are my current RPO & RTO requirements for DR? Could those modify in the next 24 months?
9. With what storage process or systems is my team most familiar? Why?
10. How much additional capacity is necessary from this array over the next 12-24 months?
11. What will my DR requirements be over time? Are they even taking a glance at DR?
12. What existing applications that are hosted on DAS or storage islands do I need to collapse in to a centralized process?
13. What tools do I need on my storage array? Dedupe, Tiering, Auto-Caching, Snapshots, Replication, Narrow Provisioning, etc? Why?
14. If replaced, what could I reuse this process for? DR, Remote Office, Backup to Disk, Archive?
15. What upgrades might permit my existing array to discover a valuable new use-even if I replace it?
Plenty of these storage questions were derived from best practices; others they found by experience. Hopefully they will help you gain some insight as you think about replacing or upgrading your storage array.
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