Date: Mon, 27 Apr 2009 17:22:19 -0400 From: Jerry McAllister <jerrymc@msu.edu> To: Polytropon <freebsd@edvax.de> Cc: Jerry McAllister <jerrymc@msu.edu>, freebsd-questions@freebsd.org, Michael David Crawford <mdc@prgmr.com> Subject: Re: Partitioning for multiple systems Message-ID: <20090427212219.GC26754@gizmo.acns.msu.edu> In-Reply-To: <20090427221747.a2494e6c.freebsd@edvax.de> References: <49F4ABB3.6000808@prgmr.com> <20090427143043.GE24963@gizmo.acns.msu.edu> <20090427221747.a2494e6c.freebsd@edvax.de>
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On Mon, Apr 27, 2009 at 10:17:47PM +0200, Polytropon wrote: > On Mon, 27 Apr 2009 10:30:43 -0400, Jerry McAllister <jerrymc@msu.edu> wrote: > > On Sun, Apr 26, 2009 at 11:45:07AM -0700, Michael David Crawford wrote: > > FreeBSD is not happy with MS 'extended partitions'. But, I don't really > > see your problem. You are not using Microsloth for anything. > > That's why I'm not sure why FAT has been mentioned. As far as The FAT (more likely FAT32) can be the filesystem type that each of the OSen can read/write. I occasionally make one for scratch space that more than one OS on a machine can access. > I understood, the disk should have three operating systems > (Linux, FreeBSD 7, FreeBSD 8) and a partition where all these > systems can have a shared mount point for /home. > > So my idea would be... no, my further questions would be: > 1. Can FreeBSD mount -o rw a file system that is usable > on Linux, maybe ext2? If yes, use this file system type > for the partition that is /home then. > 2. Can Linux mount -o rw a file system that is usable > on FreeBSD, maybe UFS? If yes, use this file system type > for the partition that is /home then. > > Because the /home partition is not intended to be booted > from, it should be possible to add it. > > > Create your Lunix slice first, then one for FreeBSD 7.2 and finally one > > for FreeBSD 8.0. You still logically have one left for something but > > it doesn't seem to be needed and neither does a 'logical partition'. > > Hasn't the fact that Linux needs two primary partitions > (one for itself, one for its boot loader) mentioned? I thought that the fancy MBR went in the extra track space beyond that official single sector that almost no one actually uses any more. I haven't heard of that. The RHEL and SUSE installs I did recently did not look like they were using two primaries. But I didn't make a point of looking for that, so I am not sure. ////jerry > > FreeBSD might be able to mount the CENTOS slice stuff if you use > > the right type of mount. I don't know about mounting Lunix from FreeBSD. > > But, you can't do it the other way (eg mount a FreeBSD type filesystem > > from Lunix - though maybe, I have never tried it) > > That would be the idea. > > > > > From FreeBSD you can mount other types of filesystems such as MS > > by using the correct mount types. For example, if you want to mount > > an MS FAT or FAT32, you use an 'msdosfs' type in your fstab file or > > mount_msdosfs(8) utility to do the mount. Do some studying to see > > if you can mount any Lunxi type filesystem from FreeBSD. > > Exactly. Or, if not, maybe it works vice-versa: mounting a > FreeBSD partition (within a slice, a "primary partition") > from within this Linux. > > > > > -- > Polytropon > From Magdeburg, Germany > Happy FreeBSD user since 4.0 > Andra moi ennepe, Mousa, ...
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