Re: Accessing UFS2 Filesystems in Logical Volume Disks of Virtual Machines

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Mr. Teo En Ming (Zhang Enming) wrote:
On Wed, Nov 18, 2009 at 1:01 AM, Mr. Teo En Ming (Zhang Enming)
<space.time.universe@xxxxxxxxx> wrote:
On Wed, Nov 18, 2009 at 12:38 AM, Mr. Teo En Ming (Zhang Enming)
<space.time.universe@xxxxxxxxx> wrote:
Hi All,

I have a logical volume containing a FreeBSD 8.0 virtual machine. The
virtual harddisk for the FreeBSD UNIX VM contains one slice. And this
slice contains various UFS2 partitions.

When I used kpartx to add mappings, I can only see the slice but not
the partitions within the slice.

How can I have access to the partitions within the slice?

Thank you.

Hi,

The solution that I found is for FreeBSD directly installed on bare
metal machine. Please read the following discussions.

http://www.linuxquestions.org/questions/bsd-17/cannot-mount-freebsd-ufs-from-linux-191184/

But my FreeBSD was installed as a virtual machine in a logical volume
virtual harddisk.



Hi All,

I can only mount the first BSD partition "a" (root / filesystem) in
linux. All the rest of the partitions (b for swap, c represents the
entire disk, d for /var, e for /tmp, and f for /var) cannot be mounted
at all. I want to access /var and /usr as well. All of these
partitions (a to f) are inside the FreeBSD slice
/dev/mapper/virtualmachines-freebsd1. virtualmachines-freebsd1 is akin
to /dev/sda1.

Is just exporting the space in question via NFS viable? I don't know what you plan to do with the shared data, but I treat my VMs like physical machines (some were) and don't expect to do stuff like that. ;-)

--
Bill Davidsen <davidsen@xxxxxxx>
  "We have more to fear from the bungling of the incompetent than from
the machinations of the wicked."  - from Slashdot

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