Re: ext2fs: WARNING: mount of XXXX denied due to unsupported optional features: needs_recovery

From: Alan Somers <asomers_at_freebsd.org>
Date: Thu, 28 Apr 2022 19:36:21 UTC 
On Thu, Apr 28, 2022 at 1:29 PM Marek Zarychta
<zarychtam@plan-b.pwste.edu.pl> wrote:
>
> W dniu 28.04.2022 o 21:21, FreeBSD User pisze:
> > Running XigmaNAS 12.3.0.4.9009 on amd64 hardware, we try to mount HDD to rescue them and
> > store the data on ZFS volumes. Mounting of the HDD doesn't work, FreeBSD 12.3 obviously
> > lack in some etx2 features, namely "needs_recovery". The kernel reports:
> >
> > WARNING: mount of da4p3 denied due to unsupported optional features:
> > needs_recovery
> >
> > How can this problem be solved?
> >
> > Thanks in advance,
> >
> > oh
> >
> Probably as the name of the mailing list suggest you should upgrade to
> 14.0-CURRENT and maybe run fsck.ext2(8) on this partition to fix it.
>
> --
> Marek Zarychta
>

You might also try sysutils/fusefs-ext2 from ports.