> On Apr 26, 2022, at 10:10 AM, Eugene M. Zheganin wrote:
>
> Hello,
>
> recently I found another server that was running 12.x and became unbootable
> because of the famous "cannot read MOS/all block copies unavailable/etc"
> gptzfsboot message which can be randomly displayed when boot block
I have had this happen too... in my case an TR4 motherboard booting from 2x
4T (WD red) and an NMVE cache/log. What I've found is that the BIOS is
faulty for some reason on reboot --- and that a complete poweroff (where
the board power -- and the LEDs go out) is required ... and then everything
bo
Hello,
recently I found another server that was running 12.x and became
unbootable because of the famous "cannot read MOS/all block copies
unavailable/etc" gptzfsboot message which can be randomly displayed when
boot blocks migrate beyond 1st Tb on a large root pool. I managed to
boot the ser