Date: Fri, 14 Oct 2016 16:18:39 +0300 From: Andriy Gapon <avg@FreeBSD.org> To: Alexander Motin <mav@FreeBSD.org>, src-committers@FreeBSD.org, svn-src-all@FreeBSD.org, svn-src-head@FreeBSD.org Subject: Re: svn commit: r307317 - in head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs: . sys Message-ID: <030747b3-a83c-8b16-d9b1-3d5d3b7ae142@FreeBSD.org> In-Reply-To: <65265e09-a704-86c0-8e8a-ed423c941d40@FreeBSD.org> References: <201610141201.u9EC1X2O073182@repo.freebsd.org> <0e5b9464-e039-1c00-9805-6110f154f9f0@FreeBSD.org> <65265e09-a704-86c0-8e8a-ed423c941d40@FreeBSD.org>
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On 14/10/2016 15:22, Alexander Motin wrote: > On 14.10.2016 15:11, Andriy Gapon wrote: >> On 14/10/2016 15:01, Alexander Motin wrote: >>> Author: mav >>> Date: Fri Oct 14 12:01:33 2016 >>> New Revision: 307317 >>> URL: https://svnweb.freebsd.org/changeset/base/307317 >>> >>> Log: >>> MFV r307313: >>> 5120 zfs should allow large block/gzip/raidz boot pool (loader project) >>> >>> Reviewed by: George Wilson <george.wilson@delphix.com> >>> Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com> >>> Reviewed by: Andrew Stormont <andyjstormont@gmail.com> >>> Reviewed by: Matthew Ahrens <mahrens@delphix.com> >>> Approved by: Robert Mustacchi <rm@joyent.com> >>> Author: Toomas Soome <tsoome@me.com> >>> >>> openzfs/openzfs@c8811bd3e2427dddbac6c05a59cfe117d8fea370 >>> >>> FreeBSD still does not support booting from gzip-compressed datasets, >>> so keep one chunk of this commit out. >> >> Does FreeBSD boot code support large blocks? Just to be sure. > > According to r304321 commit message -- it does now. Okay. >> And maybe this is worth some additional notice because users sometimes forget to >> upgrade gptzfsboot / zfsboot. > > Where would you like to see it to be noticeable? That's a good question for which I do not have a good answer. Ideally 'zfs set recordsize=' would warn when setting a large block size on a boot filesystem and 'zpool set bootfs=' would warn when switching the boot filesystem to a filesystem that already has a large block size. But not sure if that's doable without kludges. -- Andriy Gapon
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