Date: Wed, 1 Feb 2017 08:38:15 +0000 From: krad <kraduk@gmail.com> To: Warner Losh <imp@bsdimp.com> Cc: Andreas Nilsson <andrnils@gmail.com>, FreeBSD Stable <freebsd-stable@freebsd.org>, Aristedes Maniatis <ari@ish.com.au> Subject: Re: Boot partition size Message-ID: <CALfReydp4-mQk%2BHOg6yQUKYB-OfNjUuqSBjT-99Zp9YtbBJSog@mail.gmail.com> In-Reply-To: <CANCZdfqfN7vRrRrJd8bdSmo1Bwx0btGdMEopkbzqxGEfyMkmBQ@mail.gmail.com> References: <a4cab85a-5e79-c7c1-fbb7-d9cf83cbf556@ish.com.au> <20170129141244.GA63867@in-addr.com> <CAOjFWZ6WRQ5i4OP5ZK89RxM1YpMbVp%2BcOHCSvUyUx0etizUmog@mail.gmail.com> <851efa44-0607-231f-0905-8f9c96a36237@ish.com.au> <CALfReyfwuuN_HQ_8iszwdpLJPCy-LagoeoEEBoXJnZW6sgus6Q@mail.gmail.com> <CAPS9%2BSvGaHzf%2BwEJqsByOUtejAwkjppk%2BkEUEW_5cgtjnszsOA@mail.gmail.com> <CANCZdfqfN7vRrRrJd8bdSmo1Bwx0btGdMEopkbzqxGEfyMkmBQ@mail.gmail.com>
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Are we really that worried about 90-99 MB when we are talking about many TB drives? Even the entry-mid range SSD are in the region of 256-512 GB these days? On 31 January 2017 at 14:35, Warner Losh <imp@bsdimp.com> wrote: > The UEFI standard suggests something large like 100MB. There are a > number of firmware updating programs that run as .efi images. It > would be prudent to allow more than the bare minimum in case you wind > up needing them down the line. boot1.efi is likely to grow > significantly in the future. Maybe not 100x, a 1MB is likely once it > has all the features it needs. 10MB might be a safe upper bound. > > Warner > > On Tue, Jan 31, 2017 at 7:00 AM, Andreas Nilsson <andrnils@gmail.com> > wrote: > > Well, 100mb might be relevant if you ever want to dual-boot. The > relevant > > efi file seems to be < 100k > > > > It may go up in size, but I doubt we will see a 100x increase. > > > > /A > > > > On Tue, Jan 31, 2017 at 1:03 PM, krad <kraduk@gmail.com> wrote: > > > >> Its worth noting you should also go for GPT layout and have a 100meg or > so > >> partition provisioned as well so you can do a uefi boot. Even if you > arent > >> going to use it right now. > >> > >> > >> On 30 January 2017 at 03:41, Aristedes Maniatis <ari@ish.com.au> wrote: > >> > >> > On 30/1/17 2:20pm, Freddie Cash wrote: > >> > > And, you may be able to do that on the existing disks, as ZFS now > >> leaves > >> > 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 > >> days. > >> > > > >> > > 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 > >> > many of these pages: https://wiki.freebsd.org/RootOnZFS/ > >> > > >> > > >> > Ari > >> > > >> > > >> > > >> > -- > >> > --------------------------> > >> > Aristedes Maniatis > >> > CEO, ish > >> > https://www.ish.com.au > >> > GPG fingerprint CBFB 84B4 738D 4E87 5E5C 5EFA EF6A 7D2E 3E49 102A > >> > > >> > > >> _______________________________________________ > >> freebsd-stable@freebsd.org mailing list > >> https://lists.freebsd.org/mailman/listinfo/freebsd-stable > >> To unsubscribe, send any mail to "freebsd-stable-unsubscribe@ > freebsd.org" > >> > > _______________________________________________ > > freebsd-stable@freebsd.org mailing list > > https://lists.freebsd.org/mailman/listinfo/freebsd-stable > > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org > " >
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