Date: Wed, 20 Jun 2018 23:34:48 -0400 From: Allan Jude <allanjude@freebsd.org> To: freebsd-current@freebsd.org Subject: Re: ZFS: I/O error - blocks larger than 16777216 are not supported Message-ID: <21493592-4eb2-59c5-1b0d-e1d08217a96b@freebsd.org> In-Reply-To: <201806210136.w5L1a5Nv074194@kx.openedu.org> References: <201806210136.w5L1a5Nv074194@kx.openedu.org>
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --2VVltOwtGC4x6DHiLhWFZrrP58R52dG9O Content-Type: multipart/mixed; boundary="LfiZ2oxaAjDIYUCN76fSQWgObjaAaXzMN"; protected-headers="v1" From: Allan Jude <allanjude@freebsd.org> To: freebsd-current@freebsd.org Message-ID: <21493592-4eb2-59c5-1b0d-e1d08217a96b@freebsd.org> Subject: Re: ZFS: I/O error - blocks larger than 16777216 are not supported References: <201806210136.w5L1a5Nv074194@kx.openedu.org> In-Reply-To: <201806210136.w5L1a5Nv074194@kx.openedu.org> --LfiZ2oxaAjDIYUCN76fSQWgObjaAaXzMN Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 2018-06-20 21:36, KIRIYAMA Kazuhiko wrote: > Hi all, >=20 > I've been reported ZFS boot disable problem [1], and found > that this issue occers form RAID configuration [2]. So I > rebuit with RAID5 and re-installed 12.0-CURRENT > (r333982). But failed to boot with: >=20 > ZFS: i/o error - all block copies unavailable > ZFS: can't read MOS of pool zroot > gptzfsboot: failed to mount default pool zroot >=20 > FreeBSD/x86 boot > ZFS: I/O error - blocks larger than 16777216 are not supported > ZFS: can't find dataset u > Default: zroot/<0x0>: >=20 > In this case, the reason is "blocks larger than 16777216 are > not supported" and I guess this means datasets that have > recordsize greater than 8GB is NOT supported by the > FreeBSD boot loader(zpool-features(7)). Is that true ? >=20 > My zpool featues are as follows: >=20 > # kldload zfs > # zpool import=20 > pool: zroot > id: 13407092850382881815 > state: ONLINE > status: The pool was last accessed by another system. > action: The pool can be imported using its name or numeric identifier = and > the '-f' flag. > see: http://illumos.org/msg/ZFS-8000-EY > config: >=20 > zroot ONLINE > mfid0p3 ONLINE > # zpool import -fR /mnt zroot > # zpool list > NAME SIZE ALLOC FREE EXPANDSZ FRAG CAP DEDUP HEALTH ALTR= OOT > zroot 19.9T 129G 19.7T - 0% 0% 1.00x ONLINE /mnt= > # zpool get all zroot > NAME PROPERTY VALUE = SOURCE > zroot size 19.9T = - > zroot capacity 0% = - > zroot altroot /mnt = local > zroot health ONLINE = - > zroot guid 13407092850382881815 = default > zroot version - = default > zroot bootfs zroot/ROOT/default = local > zroot delegation on = default > zroot autoreplace off = default > zroot cachefile none = local > zroot failmode wait = default > zroot listsnapshots off = default > zroot autoexpand off = default > zroot dedupditto 0 = default > zroot dedupratio 1.00x = - > zroot free 19.7T = - > zroot allocated 129G = - > zroot readonly off = - > zroot comment - = default > zroot expandsize - = - > zroot freeing 0 = default > zroot fragmentation 0% = - > zroot leaked 0 = default > zroot feature@async_destroy enabled = local > zroot feature@empty_bpobj active = local > zroot feature@lz4_compress active = local > zroot feature@multi_vdev_crash_dump enabled = local > zroot feature@spacemap_histogram active = local > zroot feature@enabled_txg active = local > zroot feature@hole_birth active = local > zroot feature@extensible_dataset enabled = local > zroot feature@embedded_data active = local > zroot feature@bookmarks enabled = local > zroot feature@filesystem_limits enabled = local > zroot feature@large_blocks enabled = local > zroot feature@sha512 enabled = local > zroot feature@skein enabled = local > zroot unsupported@com.delphix:device_removal inactive = local > zroot unsupported@com.delphix:obsolete_counts inactive = local > zroot unsupported@com.delphix:zpool_checkpoint inactive = local > #=20 >=20 > Regards >=20 > [1] https://lists.freebsd.org/pipermail/freebsd-current/2018-March/0688= 86.html > [2] https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D151910 >=20 > --- > KIRIYAMA Kazuhiko > _______________________________________________ > freebsd-current@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.o= rg" >=20 I am guessing it means something is corrupt, as 16MB is the maximum size of a record in ZFS. Also, the 'large_blocks' feature is 'enabled', not 'active', so this suggest you do not have any records larger than 128kb on your pool. --=20 Allan Jude --LfiZ2oxaAjDIYUCN76fSQWgObjaAaXzMN-- --2VVltOwtGC4x6DHiLhWFZrrP58R52dG9O Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (MingW32) iQIcBAEBAgAGBQJbKxzcAAoJEBmVNT4SmAt+f3AP/1hrEuTo63Qp9w88BYokaIdJ cd2WFdZUtMO/M6qo3CpReWpmHdNZ78Vt06d+t1XQ6VeNpbEsbxh71wxpHrvQ0s3c h9QSy0zdYGVOW2Nn47lKHhduhGujwX1+NhDzYbsKyN1aJgazgbMhWCc5itofjBYP yqZ8kzhZW0ulZPF5vLe/HfiE6U6oWMh/lGCP1bBAUpigYS4cmw8vSTDPqVqx7WTy lj7JO3/o0i5TmaAtIVGKQ9fRPh4SJh5/xoh1iR3mQ3G6OgY3NgfmR993L9tRiG/0 CY/rlkDX0yBDrJBB8ouF5ZJ35mZ21AQCnWVv7OoYJocwRepLdgqAPIObWk/pUDoq zAlNCzY0gE/i6WM7VCo6LkRVzr/BrhOK/PQwRHsgpHwjvmSKSiZfwBF1qBRQjBPF 1Ydu0TkHc5kFVtx1iBZ9zi0WBetLXi00Fgs0UTnIdU/BVkGsYhRuu5JjOpj4gNPb ZMkG0nIbRzjkJ9djQodagzAjDPIKuyudrxaj3pMGP9KL1Xup9dSPueDc4j/bH03P +1jekVz6kFFciOh1VmNXCctaO/nu5TQPDtEXeMkR79qmBu9BHPld0ln85e1gRueX 8mDgS5iJakn/XoBNgah18oTHIX5wG6jrNE26BrLegVgd2TnYLHOKZyhcSt5oyA+X Hd2PKuEJoe4Ax5FofaPB =9Ouo -----END PGP SIGNATURE----- --2VVltOwtGC4x6DHiLhWFZrrP58R52dG9O--
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