On Tue, Oct 30, 2012 at 4:30 PM, Tom H <[log in to unmask]> wrote:
> On Tue, Oct 30, 2012 at 8:56 AM, Rudi Ahlers <[log in to unmask]> wrote:
>>
>> Can anyone please tell me, or direct me to a website with
>> instructions, how to resize a Windows based KVM guest, when the
>> Windows KVM guest is setup on LVM?
>>
>> The host server runs on CentOS 6, with no GUI installed.
>>
>> The following website have a good explanation of the steps to take,
>> but I need a GUI installed which I don't:
>> http://www.linux-kvm.com/content/how-resize-your-kvm-virtual-disk
>
> Can you clarify what "Windows KVM guest is setup on LVM" means? Does
> it simply mean that the virtual disk is on an LV?
>
> As the link above shows, it's a two-step procedure. You first have to
> increase the size of the kvm disk on the host and then increase the
> size of the disk and the filesystem on the guest from within the
> guest.
>
> For the first step, assuming that you have the space to do so, the
> only thing that you need to do on the host is "qemu-img resize ...".
>
> For the second step, I don't understand why the disk isn't resized
> within the Windows guest, whether with the "Disk Management" GUI tool
> or the "diskpart" CLI tool (for later versions of Windows there's a
> limitation that the space into which a partition has to be extended
> has to be contiguous to the partition).
>
> If you really want to go down the same route as the link, you have to
> add the disk to a Linux VM and resize it from within that VM. At the
> CLI you can use fdisk or parted. With fdisk, you have to delete and
> recreate the partition. With parted, you can resize it. I've done this
> with extX but never with ntfs so, if I were you, I'd dupe the virtual
> disk and run a test to ensure that it works.
Well, it means that I have a Windows based KVM guest virtual machine,
which is setup on the host node with LVM, instead of a file based
container.
But it seems that Windows 2003 server's boot partition can't be
dynamically resized and I ended up reinstalling Windows
--
Kind Regards
Rudi Ahlers
SoftDux
Website: http://www.SoftDux.com
Technical Blog: http://Blog.SoftDux.com
Cell: 082 554 7532
Fax: 086 268 8492
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