Date: Mon, 30 Jan 2017 14:41:16 +1100 From: Aristedes Maniatis <ari@ish.com.au> To: Freddie Cash <fjwcash@gmail.com>, Gary Palmer <gpalmer@freebsd.org> Cc: FreeBSD Stable <freebsd-stable@freebsd.org> Subject: Re: Boot partition size Message-ID: <851efa44-0607-231f-0905-8f9c96a36237@ish.com.au> In-Reply-To: <CAOjFWZ6WRQ5i4OP5ZK89RxM1YpMbVp%2BcOHCSvUyUx0etizUmog@mail.gmail.com> References: <a4cab85a-5e79-c7c1-fbb7-d9cf83cbf556@ish.com.au> <20170129141244.GA63867@in-addr.com> <CAOjFWZ6WRQ5i4OP5ZK89RxM1YpMbVp%2BcOHCSvUyUx0etizUmog@mail.gmail.com>
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --iQeOmGAst09KKmExv35b7JxurdkcFCpi8 Content-Type: multipart/mixed; boundary="eK9rjVJGwHIeWmbAwp6b3s3k8LUjvigcM"; protected-headers="v1" From: Aristedes Maniatis <ari@ish.com.au> To: Freddie Cash <fjwcash@gmail.com>, Gary Palmer <gpalmer@freebsd.org> Cc: FreeBSD Stable <freebsd-stable@freebsd.org> Message-ID: <851efa44-0607-231f-0905-8f9c96a36237@ish.com.au> Subject: Re: Boot partition size References: <a4cab85a-5e79-c7c1-fbb7-d9cf83cbf556@ish.com.au> <20170129141244.GA63867@in-addr.com> <CAOjFWZ6WRQ5i4OP5ZK89RxM1YpMbVp+cOHCSvUyUx0etizUmog@mail.gmail.com> In-Reply-To: <CAOjFWZ6WRQ5i4OP5ZK89RxM1YpMbVp+cOHCSvUyUx0etizUmog@mail.gmail.com> --eK9rjVJGwHIeWmbAwp6b3s3k8LUjvigcM Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 30/1/17 2:20pm, Freddie Cash wrote: > And, you may be able to do that on the existing disks, as ZFS now leave= s a MB or two of "slack space" at the end of the device used in the vdev.= This allows for using drives/partitions that are the same size in MB but= have different numbers of sectors. This was an issue on the early ZFS da= ys. >=20 > So, you may be able to resize the freebsd-zfs partition by a handful of= KB without actually changing the size of the vdev. Brilliant, thank you. That worked a treat with a new boot size of 256k. Note that this page: https://wiki.freebsd.org/RootOnZFS/GPTZFSBoot/Mirror= needs to be adjusted. This line: gpart add -b 34 -s 128k -t freebsd-boot ad0 needs to instead be gpart add -a 4k -s 512k -t freebsd-boot ad0 I don't have edit rights. Probably someone needs to clean up and merge ma= ny of these pages: https://wiki.freebsd.org/RootOnZFS/ Ari --=20 --------------------------> Aristedes Maniatis CEO, ish https://www.ish.com.au GPG fingerprint CBFB 84B4 738D 4E87 5E5C 5EFA EF6A 7D2E 3E49 102A --eK9rjVJGwHIeWmbAwp6b3s3k8LUjvigcM-- --iQeOmGAst09KKmExv35b7JxurdkcFCpi8 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iEYEARECAAYFAliOtdwACgkQ72p9Lj5JECpT4gCdE8D8Ih2TBi/pnhAR1uxhHAOn ODcAnjdcfRGdVAxQLvBiTxUue93w2EbS =ICch -----END PGP SIGNATURE----- --iQeOmGAst09KKmExv35b7JxurdkcFCpi8--
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