Date: Sun, 17 Apr 2011 22:56:58 +0200 From: Mikael Fridh <frimik@gmail.com> To: freebsd-stable@freebsd.org Subject: Re: ZFS root on MB Intel S3420GP Message-ID: <BANLkTimU0dwLgypVGApmA2SeWsReiAryHA@mail.gmail.com> In-Reply-To: <BANLkTimZ1X-rqCjO0NJKmh-ur6QGA_aRtA@mail.gmail.com> References: <20110417123232.GA96423@laa.zp.ua> <BANLkTimZ1X-rqCjO0NJKmh-ur6QGA_aRtA@mail.gmail.com>
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On Sun, Apr 17, 2011 at 3:54 PM, George Kontostanos <gkontos.mail@gmail.com> wrote: > There is a nice guide in the WIKI regarding how to install your system with > ZFS on root. > > http://wiki.freebsd.org/RootOnZFS/GPTZFSBoot/RAIDZ2 My recipe on the last few installs have been the [1]UFSBoot guide, but instead I put /boot on a USB stick. After installation I insert a second USB stick and follow the [2]handbook to configure a gmirror over 2 of them. [1] http://wiki.freebsd.org/RootOnZFS/UFSBoot [2] http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/geom-mirror.html I make sure to: newfs -L usbboot -b 65536 /dev/daXs1a and use the ufs label in /etc/fstab: tank / zfs rw 0 0 /dev/ufs/usbboot /bootdir ufs rw 0 0 This works very well so far and I can use 100% of my disk drives for ZFS without wasting so much as a slice. I'm not sure if there's any particular gotcha with this in the long run... the usbs are pretty much read-only until I do another make installkernel. Now I've also converted to using ahci.ko after Jeremys tip. I run releng_8_2 and http://people.freebsd.org/~mm/patches/zfs/v28/releng-8.2-zfsv28-20110317.patch.xz on all (4) machines so far. -- Mikael
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