Date: Fri, 5 Jul 2013 18:10:53 -0700 From: Freddie Cash <fjwcash@gmail.com> To: Daniel Kalchev <daniel@digsys.bg> Cc: FreeBSD Filesystems <freebsd-fs@freebsd.org> Subject: Re: Slow resilvering with mirrored ZIL Message-ID: <CAOjFWZ4tDKTm0GgruMbefWBqyGrf=GoBzNHiZ_azrPPA1WMUsw@mail.gmail.com> In-Reply-To: <CAOjFWZ5CWV3UZRppM3nTehfTPaw1N%2Bw6LjsEZZGxE16DOkS%2BGA@mail.gmail.com> References: <CABBFC07-68C2-4F43-9AFC-920D8C34282E@unixconn.com> <51D42107.1050107@digsys.bg> <2EF46A8C-6908-4160-BF99-EC610B3EA771@alumni.chalmers.se> <51D437E2.4060101@digsys.bg> <E5CCC8F551CA4627A3C7376AD63A83CC@multiplay.co.uk> <CBCA1716-A3EC-4E3B-AE0A-3C8028F6AACF@alumni.chalmers.se> <20130704000405.GA75529@icarus.home.lan> <C8C696C0-2963-4868-8BB8-6987B47C3460@alumni.chalmers.se> <20130704171637.GA94539@icarus.home.lan> <2A261BEA-4452-4F6A-8EFB-90A54D79CBB9@alumni.chalmers.se> <20130704191203.GA95642@icarus.home.lan> <43015E9015084CA6BAC6978F39D22E8B@multiplay.co.uk> <CAOjFWZ4obK1cSmvTpW%2Bt4xKdMf%2BkJV5w-sujDT1AZoepj%2B5YrA@mail.gmail.com> <3CFB4564D8EB4A6A9BCE2AFCC5B6E400@multiplay.co.uk> <51D6A206.2020303@digsys.bg> <CAOjFWZ5CWV3UZRppM3nTehfTPaw1N%2Bw6LjsEZZGxE16DOkS%2BGA@mail.gmail.com>
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On 2013-07-05 6:08 PM, "Freddie Cash" <fjwcash@gmail.com> wrote: > > > On 2013-07-05 3:38 AM, "Daniel Kalchev" <daniel@digsys.bg> wrote: > > > > > > On 05.07.13 02:28, Steven Hartland wrote: > >> > >> > >> > >> If anyone wants my current patches which add switch to 4k ashift by default > >> as a sysctl + works with QUIRKS too, just let me know. > >> > >> They are well tested, just we want more options before putting in the tree. > > > > > > Is it not easier to add this as an option to zpool create, instead of an sysctl? > > ZFS- on-Linux has added this as "-o ashift=" property for zpool create. > > There's a threat on the illumos list about standardising this s across all ZFS- using OSes. Threat=thread Lol Thinking about this, it would be nice to have a property that can be set via -o to "zpool add" and "zpool create", as well as a pool property for minimum ashift. Obviously, you'd have to set the minimum when the pool is created.
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