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Subject: Re: svn commit: r344569 - in head/cddl/contrib/opensolaris: cmd/zfs
 lib/libzfs/common
From: Jack Halford <jack@gandi.net>
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Date: Tue, 26 Feb 2019 17:38:50 +0100
Cc: Baptiste Daroussin <bapt@FreeBSD.org>, src-committers@freebsd.org,
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To: Cy Schubert <Cy.Schubert@cschubert.com>
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> Nested zfs filesystems seem not to be handled properly or possibly not sup=
ported any more. This explains my mail gateway also not mounting all filesys=
tems in /home. It was odd that dovecot stopped working.
>=20
> The symptom of the problem is zfs mount -a no longer mounts all filesystem=
s. Zfs mount fails saying the filesystem is already mounted. The workaround i=
s to zfs umount each affected zfs dataset by hand and zfs mount it by hand.
>=20
> Generally this has screwed up sites that have hundreds (in my case 122) zf=
s datasets. The work around might be to script testing each mount, unmountin=
g and remounting if necessary.
>=20
> I'm being sarcastic about creating an rc script to clean this up. This nee=
ds to be backed out and tested properly before being committed.=20

Thanks for the feedback, I=E2=80=99ll try to reproduce this on my side.

regards
=E2=80=94 jack@gandi.net=