Date: Mon, 25 Jul 2011 18:31:36 -0500 From: Brandon Gooch <jamesbrandongooch@gmail.com> To: "Andrey V. Elsukov" <bu7cher@yandex.ru> Cc: freebsd-emulation@freebsd.org, nox@jelal.kn-bremen.de Subject: Re: mount vdi Message-ID: <CALBk6yJrHniVi8RoTGwLtqWF1nL1r8JZLKbS1mcLMw1DnxeofQ@mail.gmail.com> In-Reply-To: <4E2D1275.8000305@yandex.ru> References: <1311574719.49706.YahooMailClassic@web122313.mail.ne1.yahoo.com> <4E2D1275.8000305@yandex.ru>
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2011/7/25 Andrey V. Elsukov <bu7cher@yandex.ru>: > On 25.07.2011 10:18, Joe Sciulli wrote: >> Is it possible to mount virtualbox vdi file on the FreeBSD host? =A0This= appears to be doable on >> windows and linux hosts, which basically is done in two steps: 1. find o= ffset in the image. 2. >> mount the image with that offset. >> >> I'm trying to do the same thing on FreeBSD, and found the undocumented a= nd deprecated command >> still works: >> >> VBoxManage internalcommands dumphdinfo freebsd_home.vdi >> >> I got the following for the virtual disk image holding the /home (no roo= t hence no MBR) disk for >> a FreeBSD guest: >> >> Header: offBlocks=3D4096 offData=3D28672 >> >> Then attempt to mount it: >> >> mdconfig -a -t vnode -f /tmp/freebsd_home_56.vdi -u 0 mount /dev/md0 /tm= p/aaa/ mount -t cd9660 >> /dev/md0 /tmp/aaa/ >> >> unfortunately both the above two mount commands failed with "Invalid arg= ument". =A0I tried >> skip=3D28672 to no avail as well. =A0Anything did I do wrong? > > I have not any Vbox images with fixed size, but i tried this: > # mdconfig -f 10G_GPT_UFS.vdi > # gnop create -v -o 41472 /dev/md0 > > where 41472 is offData value. After that md0.nop was tasted and reports a= bout invalid GPT. > So, i think if your image is fixed size disk yout can try this method and= mount UFS (not cd9660). > > -- > WBR, Andrey V. Elsukov There was a CFT sent out a while back about a fuse module for mounting vdi images: http://lists.freebsd.org/pipermail/freebsd-emulation/2010-September/007964.= html Not sure about the state of this now though... -Brandon
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