[PVE-User] Mirrored ZFS Boot drive?

[Arjen]

‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Thursday, January 28, 2021 7:17 AM, Lindsay Mathieson <lindsay.mathieson at gmail.com> wrote:

> When I setup my latest server, I used ZFS for the boot SSD.
>
> I later added a 2nd SSD mirror, but of course that only mirrors the
> rpool, not the boot partions (2 of them?), so not as useful as I
> thought, as if the first SSD fails, the server won't boot :(
>
> If I installed proxmox using mirrored SSD's from the start, would that
> setup a "dual" boot option on both SSD's or would one still be the
> primary and only boot device?

The Proxmox installer makes a boot partition per drive and nowadays keeps them all in sync with pve-efiboot-tool (but it does not check for bitrot like ZFS). Please have a look at the Host Bootloader section of the manual: https://pve.proxmox.com/pve-docs/pve-admin-guide.html#sysboot

kind regards