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Crikey. I have to wonder what that ~2TB unit must have cost in 2016.
Interesting that the one has such large capacitors in it. I imagine that is as last-ditch effort to keep the board powered long enough to finish flushing all of its caches in the event of a power failure.
Interesting that the one has such large capacitors in it. I imagine that is as last-ditch effort to keep the board powered long enough to finish flushing all of its caches in the event of a power failure.
That's exactly the point of power loss protection (aka PLP.) As a side effect of not needing to wait for a flush after a write synchronous write workloads are dramatically faster on enterprise drives with PLP.
Edit: To add a bit of detail - you don't need to wait for a flush after a synchronous write with PLP because the drive firmware can lie and immediately return from a flush call because there's enough backup power to complete that flush if the power were cut.
I don't even want to think about prices ahah, I could have done some research and talked about it on the article tho...
And yeah that is probably why
I can only conjecture it must have cost a mint.
Yes, some chips (or rather parts of all chips) are spare on enterprise SSDs. You can even see how much is left via smart data
Great post!
thank you!
Thank you