Problem with zpool remove of log device

[Łukasz Wąsikowski]

W dniu 2017-05-26 o 12:37, Karli Sjöberg pisze:

> Den 26 maj 2017 12:30 em skrev Łukasz Wąsikowski <lukasz at wasikowski.net>:
> 
>     W dniu 2017-05-26 o 12:20, Karli Sjöberg pisze:
>     >
>     >
>     > Den 26 maj 2017 11:47 fm skrev Łukasz Wąsikowski :
>     >
>     > Hi,
>     >
>     > I cant remove log device from pool - operation ends ok, but log device
>     > is still in the pool (bug?).
>     >
>     > # uname -a
>     > FreeBSD xxx.yyy.com 11.0-STABLE FreeBSD 11.0-STABLE #0 r316543:
>     Thu Apr
>     > 6 08:22:43 CEST 2017 root at xxx.yyy.com:/usr/obj/usr/src/sys/YYY amd64
>     >
>     > # zpool status tank
>     > pool: tank
>     > state: ONLINE
>     > status: One or more devices are configured to use a non-native block
>     > size.
>     > Expect reduced performance.
>     > action: Replace affected devices with devices that support the
>     > configured block size, or migrate data to a properly configured
>     > pool.
>     > scan: scrub repaired 0 in 22h21m with 0 errors on Thu May 25
>     > 02:26:36 2017
>     > config:
>     >
>     > NAME STATE READ WRITE CKSUM
>     > tank ONLINE 0 0 0
>     > mirror-0 ONLINE 0 0 0
>     > ada2p3 ONLINE 0 0 0
>     > ada3p3 ONLINE 0 0 0
>     > logs
>     > mirror-1 ONLINE 0 0 0
>     > gpt/tankssdzil0 ONLINE 0 0 0 block size:
>     > 512B configured, 4096B native
>     > gpt/tankssdzil1 ONLINE 0 0 0 block size:
>     > 512B configured, 4096B native
>     >
>     > errors: No known data errors
>     >
>     > When I try to remove log device operation ends without errors:
>     >
>     > # zpool remove tank mirror-1; echo $?
>     > 0
>     >
>     >
>     > You are missing the actual disk you want to remove from the mirror:
>     > # zpool remove tank gpt/tankssdzil1
> 
>     # zpool remove tank gpt/tankssdzil0
>     cannot remove gpt/tankssdzil0: operation not supported on this type
>     of pool
> 
> 
> Yeah, that's because you're booting off of it right? Boot from CD or
> whatev, should work. Or if it was the "bootfs" zpool option, can't
> remember, but it's something along those lines. Really silly, but anyway...

Yes, it's root-on-zfs. But as I said on other box with similar
configuration it works. Strange.

It's production box so boot from CD is not an easy option. I'll check it
during next service window. Thank you for your help.

-- 
best regards,
Lukasz Wasikowski