QEMU: increase image size with FreeBSD partitions ...

Ivan Voras ivoras at freebsd.org
Wed Dec 10 02:31:45 PST 2008

Marc G. Fournier wrote:
> --On Tuesday, December 09, 2008 10:15:45 +0100 Ivan Voras <ivoras at freebsd.org> 
> wrote:
>> Marc G. Fournier wrote:
>>> I have FreeBSD 7 running in a QEMU VM ... works like a charm, but I'm
>>> wondering  if there is some way of *increasing* the size of the image beyond
>>> what I  configured it for?  I'm only finding stuff pertaining to NTFS/FAT32,
>>> but  nothing about Unix in general, or FreeBSD specifically ...
>>> Is there any way of doing this, or do I have to build a new, larger img, and
>>> copy the data from diskA -> diskB, and reboot on diskB?  Doable, but time
>>> consuming ...
>> I don't think there's anything automatic but you can grow the virtual
>> disk, then modify the last partition size by hand, then use growfs.
> 'k, that is what I figured, but how do I grow the virtual disk? I've checked 
> the qemu-img man page, and there doesn't appear to be a method of doing this ...

I think I've incorrectly assumed you're using plain raw disk images -
from the context I'd say that you're actually using one of qemu's own
formats, right?

The only thing I've found is this:


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