Date: Sat, 16 Jun 2012 20:58:23 +0200 From: Matthias Apitz <guru@unixarea.de> To: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> Cc: freebsd-hackers@freebsd.org, rozhuk.im@gmail.com Subject: Re: proper newfs options for SSD disk Message-ID: <20120616185822.GA1253@tiny.Sisis.de> In-Reply-To: <alpine.BSF.2.00.1205301938070.17367@wojtek.tensor.gdynia.pl> References: <alpine.BSF.2.00.1205182209010.9350@wojtek.tensor.gdynia.pl> <4fb7dfd6.736a980a.186d.ffff902f@mx.google.com> <20120519180901.GA1264@tiny> <20120525183006.GA1259@tiny> <alpine.BSF.2.00.1205252240260.31165@wojtek.tensor.gdynia.pl> <20120525225839.GA7347@server.rulingia.com> <alpine.BSF.2.00.1205261550110.70207@wojtek.tensor.gdynia.pl> <20120527082745.GA2591@tinyCurrent> <alpine.BSF.2.00.1205301938070.17367@wojtek.tensor.gdynia.pl>
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El día Wednesday, May 30, 2012 a las 07:44:37PM +0200, Wojciech Puchar escribió: > > from; one has to go (by pressing ESC) to the boot menu to pick it up as > > current boot device; any idea how this could be changed? > > boot from 4GB. just put /boot here and add > > vfs.root.mountfrom="ufs:XXX" > > where XXX is your root filesystem device name with "/dev/" stripped > > do not forget to bsdlabel -B your.4GB.SSD > > WARNING: you must have proper disklabel with a: partition containing UFS > with /boot. > > But you may have a partition equal to whole disk > > a: 117231408 0 4.2BSD 0 0 0 > c: 117231408 0 unused 0 0 # "raw" part, don't edit > > > and it is absolutely OK, UFS do not overwrite first few sectors as it is > reserved for it. > > And PLEASE DO NOT make this stupid MSDOS style slices. It is not just > unneeded but introduces mess and only mess. > > just have /dev/ad0a not /dev/ad0s1a OK, but I wanted to have most of the space of the 4 GB SSD encrypted with geli(8); so I should make there some slice containing /boot (unencrypted) and a second slice which later will contain my HOME and encrypted; wrong? matthias -- Matthias Apitz e <guru@unixarea.de> - w http://www.unixarea.de/ UNIX since V7 on PDP-11, UNIX on mainframe since ESER 1055 (IBM /370) UNIX on x86 since SVR4.2 UnixWare 2.1.2, FreeBSD since 2.2.5
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