Setup Bcache on Debian 11 amd64 with mdadm devices

I never said that. I say that RAID0 is a dangerous configuration where you can easily lose the entire node if even one disk can die. Independently of your costs and profit.
I would like to suggest to take a look on RAID vs No RAID choice to do not repeat the whole cycle, why RAID costs more than 1 node per drive.

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