In a unholy Conundrum

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Hi!

Likely scheduler is to blame, try this and see if it helps:

Nvme drive firmware and speed test

Yes, you can try to choose more performant I/O scheduler for each type of disk SSD / HDD / NVME, by creating that file + reboot: /etc/udev/rules.d/96-scheduler.rules # IO scheduler # Algorithm to manage disk IO requests and balance it with other CPU loads. # HDD ACTION=="add|change", KERNEL=="sd[a-z]", ATTR{queue/rotational}=="1", ATTR{queue/scheduler}="mq-deadline" # SSD ACTION=="add|change", KERNEL=="sd[a-z]", ATTR{queue/rotational}=="0", ATTR{queue/scheduler}="bfq" # NVMe SSD ACTION=="ad…

To list currently used schedulers:

cat /sys/class/block/sd*/queue/scheduler

Also you did good on choosing ext4 for storage drives - i’ve seen quite a few of drives with btrfs completely f*cked after simple power outage

@RATTL3R

and ntfs on the sata hard drives as I use windows to farm (old spare pc I had lying around)