mirrored vdevs striped

Hi All, Hoping to gain a better understanding of why I'm seeing a difference in performance running the same fio command in different contexts. A little background, my pool originally consisted contained 4 vdevs, each with 2x 3TB. However due to a failing disk on mirror-3 and wanting to...

Hi all, I'm going to be using 4x 1TB NVMe M.2 drives as my VM storage which I plan to run as a striped mirror. Currently, I only have two installed as I won't have the other two for a week or so. I'm eager to get going with the setup though. If I were to create ZFS mirror of the two installed...

I have two drives in a mirrored zpool. If I add two more drives, can I stripe the two mirrors (RAID 10) online? If not only, can it be done with minimal downtime?

I have a Proxmox system where I built: 1 Mirrored Vdev 1 Mirrored Vdev 1 Mirrored Vdev 1 Mirrored Vdev With the OS installed across all of them, After an apt-get dist-upgrade, the system boots to a grub recovery screen. Any clue what is wrong with it?