Date: Mon, 21 Dec 2009 09:21:20 -0600 From: Robert Noland <rnoland@FreeBSD.org> To: Mel Flynn <mel.flynn+fbsd.current@mailing.thruhere.net> Cc: freebsd-current@freebsd.org Subject: Re: Some notes on RootOnZFS article in wiki Message-ID: <1261408880.2315.68.camel@balrog.2hip.net> In-Reply-To: <200912210600.46044.mel.flynn%2Bfbsd.current@mailing.thruhere.net> References: <200912210600.46044.mel.flynn%2Bfbsd.current@mailing.thruhere.net>
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On Mon, 2009-12-21 at 06:00 -0900, Mel Flynn wrote: > Hi, > > yesterday went through the RootOnZFS (gpt mirror version) and here's a few > notes: > 1) You cannot use the install CD. It doesn't have a livefs and so you can > never do the actual install in 2.2. The DVD will work and the USB image. I > ended up using the livefs CD and the USB image, cause I didn't want to loose > the work I already did. > 2) `gpart set -a active -i 1 ad4' gave me 'active: device not configured'. > This error isn't mentioned (debugflags didn't help) in the wiki nor the > missing DIAGNOSTICS section in the gpart man page. In my case the system > booted, but it's nice to know what the error means and whether you can ignore > it. This step *was* only required for some BIOS and I'm not sure that it ever worked as above. Previously, I had to use fdisk to set the active bit in the PMBR. In at least 7-STABLE+, installing bootcode via gpart will set the active bit in the PMBR, so this step is never required. robert. > 3) By adding the swap partitions on the two mirrored disks to /etc/fstab top > actually shows the sum of these as available swap. My expectation is/was that > the swap would be mirrored and thus I'd have only the size of one swap > partition. If this isn't the case, can I get by with 1 of the two since > they're double the intended size or should one use 2 and thus create them half > the intended size? > 4) The given mount points have sane defaults, however, I use cvs to checkout > the ports. It would be nice to have one example where data is already in a > directory tree and how one can promote it to a zfs filesystem with special > properties. > > Thanks to everyone contributing to this article and keeping it current, bar > the installation media, everything was a breeze! -- Robert Noland <rnoland@FreeBSD.org> FreeBSD
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