From time to time we get asked things like this:
I want to use a 10TiB volume with DRBD, is that supported”?
The TL;DR version: don’t use
data-integrity-alg in a production setup. Continue reading
Depending on your setup and your workload (eg. within a virtual machine with little memory and much I/O) you could get into the situation that the kernel has little memory left, so wants to write some dirty pages to disk, but cannot, because for that it would need some memory free! Continue reading