Date: Mon, 11 Nov 2019 16:43:45 -0330 From: Jonathan Anderson <jonathan.anderson@mun.ca> To: Andriy Gapon <avg@FreeBSD.org> Cc: "freebsd-fs@FreeBSD.org" <freebsd-fs@FreeBSD.org> Subject: Re: Broken ZFS boot on upgrade Message-ID: <20191111201345.GA79423@bagstock.jonandchrissy.ca> In-Reply-To: <cb1a3643-b477-67bf-eddd-b7b21c08b4b9@FreeBSD.org> References: <CAP8WKbJWSHzhFCKijRVxydKEwgD_4NX2gmA-QVEVZPuotFCGvQ@mail.gmail.com> <1cb4895b-c84d-6204-18fa-53eac7195ad6@FreeBSD.org> <20191111131021.GC70914@bagstock.jonandchrissy.ca> <cb1a3643-b477-67bf-eddd-b7b21c08b4b9@FreeBSD.org>
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On 11/11, Andriy Gapon wrote: > You need to find out the inode number first (ls -i or stat -s). > Then you can use zdb -ddddd <zfs dataset> <inum> That's very helpful, thanks! I've attempted to do this, but zdb is giving surprising errors. My root dataset is mounted at /mnt/zroot: zroot/ROOT/default on /mnt/zroot (zfs, local, noatime, nfsv4acls) and ls -i /mnt/zroot gives me inode numbers for things in / (including /boot), but when I execute zdb with that dataset and inode number I get an error: # zdb -ddddd zroot/ROOT/default 4495 failed to own dataset 'zroot/ROOT/default': No such file or directory zdb: can't open 'zroot/ROOT/default': No such file or directory This despite zpool status saying that everything is fine, me being able to run `find /boot` with no errors, etc. I get the same error whether the dataset is mounted or unmounted. At this point I'm probably best off flattening this system and restoring my most recent backup snapshot, but this behaviour is truly curious. Thanks to everyone for your help, Jon -- Jonathan Anderson jonathan@FreeBSD.org
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