in step 7 which is optmisation,what does backup do with redundancy.Does bacup increase or decrease redundancy and how it does it?
Step 7 Optimisation
If you store a backup, then it can be treated as duplicate resources available to support the main system.
It depends on how you take backup and of what things you take backup of
Usually it increases redundancy as you will have secondary source if there’s any point of failure in your system.
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