Date: Fri, 28 May 2010 12:26:12 -0700 From: Dave Hayes <dave@jetcafe.org> To: Jeremy Chadwick <freebsd@jdc.parodius.com> Cc: freebsd-stable@freebsd.org, Clifton Royston <cliftonr@lava.net> Subject: Re: Locking a file backed mdconfig into memory Message-ID: <201005281926.o4SJQCW3041849@hugeraid.jetcafe.org> In-Reply-To: <20100528191828.GA83371@icarus.home.lan> References: <201005272348.o4RNmgWh014243@hugeraid.jetcafe.org> <20100528043006.GA18560@lava.net> <201005281757.o4SHvTwq020905@hugeraid.jetcafe.org> <20100528191828.GA83371@icarus.home.lan>
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Jeremy Chadwick <freebsd@jdc.parodius.com> writes: > On Fri, May 28, 2010 at 10:57:29AM -0700, Dave Hayes wrote: >> Clifton Royston <cliftonr@lava.net> writes: >> > It sounds like what you really want is to load the contents of the >> > specified file as a memory system? That's not part of mdconfig's >> > repertoire, to the best of my recollection. >> >> So if, in /etc/loader.conf, I do this: >> >> rootfs_load="YES" >> rootfs_type="mfs_root" >> rootfs_name="/mfsboot" >> vfs.root.mountfrom="ufs:md0" > > I think you mean /boot/loader.conf? Yes, you are correct. > And I think you meant this for variable names, in addition to what > vfs.root.mountfrom should be (specific to RELENG_8): > mfsroot_load="YES" > mfsroot_type="mfs_root" > mfsroot_name="/some/path/mfsroot" I'm using RELENG_7, but it seems rootfs_* works just like mfsroot_* ... is the former deprecated? > vfs.root.mountfrom="ufs:/dev/md0" Hm, 'ufs:md0' currently works. What trouble can be had from using the abbreviated device name? > If using RELENG_7 and the mfsroot was made on RELENG_7, replace > "/dev/md0" with "/dev/md0c". Is there a reason for doing this? -- Dave Hayes - Consultant - Altadena CA, USA - dave@jetcafe.org >>> The opinions expressed above are entirely my own <<< If you want to strengthen an enemy -- hate them.
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