make kernel ignore broken SATA disk
Chris
bsd-lists at BSDforge.com
Sun Apr 12 18:44:26 UTC 2020
On Sun, 12 Apr 2020 16:37:06 +0200 Stefan Bethke stb at lassitu.de said
> I have a server I don't have physical access to right now, which has a broken
> SATA disk that produces mostly errors (but not entirely).
>
> The disk has two partitions that are part of a zpool each. I can't bring the
> system up with this disk being online, because ZFS is trying its darndest to
> use it.
>
> I already renamed the GPT partitions in the hope that ZFS would not find them
> anymore, but it does.
>
> I can't gpart destroy -f ada1 because "device busy".
FTR it's gpart destroy -F (note the case difference) :-)
>
> Is there a way, ideally in the loader, to tell the kernel to ignore ada1
> and/or ahcich5? Or can I force ZFS some other way to ignore the disk? I do
> have a spare disk I can use to replace the failed one, but I can't get the
> machine into a state where I could even issue the zpool replace command.
>
>
> Stefan
>
--Chris
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