A look forward to storage in 2022

See the full post here ➡️ https://ubuntu.com//blog/a-look-forward-to-storage-in-2022

Excerpt below:

It’s that time of year, where we start to look ahead, and think about the ongoing trends in our various industries. One thing is for certain in the storage industry: capacity demand remains high, with the industry observing continued exponential growth.

Growth, growth, growth

More and more data is being created every day. It truly is non-stop. In 2021 alone, it was predicted that enterprise storage vendors would ship almost 150 Exabytes in capacity, and this number is only expected to increase again in 2022!

We now see 20TB hard drives on the market to help with these needs, but we have to remain vigilant when building storage clusters, as the access speed of these drives hasn’t really changed at all over the last few years. In failure scenarios, where we have to recreate replicas or erasure-coded shards of data, it can take many many hours with drives of such high capacity.

So the rule of thumb remains the same: a larger number of smaller drives leads to a more predictable system for any amount of capacity. Of course, you do have to remain pragmatic to balance capacity needs with the cost of increasing the number of spindles.

Flash, denser, and faster

Over the last few years, we have seen huge leaps forward in capacity orientated flash. Intel recently launched a 30TB QLC 3D NAND drive, surpassing even the largest of traditional spinning drives. Whilst we wouldn’t suggest using these for very write-heavy workloads,

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