Data continues to grow and is predicted to reach 175 Zettabytes by 2025. Aside from the obvious cost of storing this data, it is increasingly difficult to manage, analyse and locate files.
And this data ages very quickly – files that are hot today could be cold tomorrow – just like yesterdays news! Some data is only kept for legal reasons and never accessed, or is needed very infrequently. After 6 months, 50% of data can be classified as inactive cold data.
In an ideal world, hot, warm and cold data would be stored as follows: