Date: Fri, 4 Oct 2019 21:53:07 +0200 From: Marek Zarychta <zarychtam@plan-b.pwste.edu.pl> To: freebsd-current@freebsd.org Subject: Re: ZFS with 32-bit, non-x86 kernel Message-ID: <095a72fe-c3d8-5c10-447a-659ed6b9f5ff@plan-b.pwste.edu.pl> In-Reply-To: <b7c2b26488c0238f4e77657b5fce0d798ba13ebd.camel@freebsd.org> References: <bdfecbf4-00c6-e104-4090-c1013bac5a7f@FreeBSD.org> <2264fde0-d386-518f-2bdb-2b86afe1faf3@blastwave.org> <CANCZdfqyof2_DmbW3G3S2q2ZsFo8_zr2YUzO0SrFo1eg-HhiJw@mail.gmail.com> <b7c2b26488c0238f4e77657b5fce0d798ba13ebd.camel@freebsd.org>
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --XQLm6Xr0jDnw4jgyNjMPyb5QgIMBWRyEe Content-Type: multipart/mixed; boundary="rphy8FJXZ9V44EgUdHeIvIb6t2rPhPikg"; protected-headers="v1" From: Marek Zarychta <zarychtam@plan-b.pwste.edu.pl> To: freebsd-current@freebsd.org Message-ID: <095a72fe-c3d8-5c10-447a-659ed6b9f5ff@plan-b.pwste.edu.pl> Subject: Re: ZFS with 32-bit, non-x86 kernel References: <bdfecbf4-00c6-e104-4090-c1013bac5a7f@FreeBSD.org> <2264fde0-d386-518f-2bdb-2b86afe1faf3@blastwave.org> <CANCZdfqyof2_DmbW3G3S2q2ZsFo8_zr2YUzO0SrFo1eg-HhiJw@mail.gmail.com> <b7c2b26488c0238f4e77657b5fce0d798ba13ebd.camel@freebsd.org> In-Reply-To: <b7c2b26488c0238f4e77657b5fce0d798ba13ebd.camel@freebsd.org> --rphy8FJXZ9V44EgUdHeIvIb6t2rPhPikg Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 04.10.2019 21:37, Ian Lepore wrote: > On Fri, 2019-10-04 at 13:27 -0600, Warner Losh wrote: >> On Fri, Oct 4, 2019, 1:07 PM Dennis Clarke <dclarke@blastwave.org> wro= te: >> >>> On 10/4/19 10:05 AM, Andriy Gapon wrote: >>>> >>>> Does anyone use ZFS with a 32-bit kernel, that is also not i386 ? >>>> If you do, could you please let me know? Along with uname -rmp outp= ut. >>>> Thank you! >>>> >>> >>> I don't know if that has even been attempted by anyone. The ZIL and Z= FS >>> log comonents require substantial amounts of memory and I am not awar= e >>> of anyone with arm devices that have 8GB+ of memory. I have had FreeB= SD >>> current on RISC-V running fairly well with ZFS however that was a pur= ely >>> rv64imafdc architecture. >>> >> >> In the FreeBSD 10 time frame I know people were running ZFS on arm7 bo= ards. >> Iirc, there was a long list of tweaks needed to size of the ZIL. A qui= ck >> google didn't find it. >> >> Otoh, I looked at ZFS for NanoBSD when it first came out. I gave up be= cause >> the 256MB boards at the time made any kind of storage traffic ran thin= gs >> out of memory. >> >> Warner >> >> >> I will watch this thread with curiosity. >=20 > There have been several threads about using zfs on armv7 over the > years. Some of them are from 2013 and indicate little sucess. Others,= > from 2015, indicate it works... >=20 > https://lists.freebsd.org/pipermail/freebsd-arm/2015-March/010607.html > https://lists.freebsd.org/pipermail/freebsd-arm/2015-March/010649.html >=20 > There have also been some bug reports as recently as 2017 indicating > that people are still doing this on small armv7 systems. >=20 > -- Ian Following this thread, where Bernd Walter wrote small howto: https://lists.freebsd.org/pipermail/freebsd-arm/2019-February/019455.html= I had converted root filesystem to ZFS on SD card used with RaspberryPi2, then used it with no issues running 13-CURRENT for 6 months until that old SD card got worn. --=20 Marek Zarychta --rphy8FJXZ9V44EgUdHeIvIb6t2rPhPikg-- --XQLm6Xr0jDnw4jgyNjMPyb5QgIMBWRyEe Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEMOqvKm6wKvS1/ZeCdZ/s//1SjSwFAl2XoycACgkQdZ/s//1S jSxmRQf+KX6XKoud5Xn4GPmvqP7aUj51Cif/ZUZYqXgs+XSXB9lGOQQ1i21TtABi oc0G5VXqzGvg1R9p1N3KqYL/uX7nxHEHFW3hQDTKMpYhVmPgWadOUhVZ/WsE9ch6 yZ1zLJ5wo+kUl9FIONvAtRNrC0VTvOY1IfnaspILoRUL78YxbspRzyRjPa+wtclP X5cbIWRN/XRVqxQCHcvHweGY2wAQ1KkV9nymZ5wBuKvRjW48GBYJRlYp/4QzGHDN 7a8TBkY83XqxnQcE8cvpaimdKCeyTljX6MZhK945j7SdHrskt3tyr7Kkz+h2k3wh 0f8yDBQmCruWowasEzEEcfBq7RT0sw== =16Nh -----END PGP SIGNATURE----- --XQLm6Xr0jDnw4jgyNjMPyb5QgIMBWRyEe--
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