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Re: [virt-tools-list] [PATCH] Update tips for Checkbox "Allocate entire disk now"



On 21.02.2013 06:27, Chen Hanxiao wrote:
> From: Chen Hanxiao <chenhanxiao cn fujitsu com>
> 
> As discussed in:
> https://www.redhat.com/archives/virt-tools-list/2013-February/msg00154.html
> There is a bug when creating disk image as qcow2, enable
> fully allocating but get the minimal sparse image.
> 
> We should give users a notification which describing this.
> 
> Signed-off-by: Chen Hanxiao <chenhanxiao cn fujitsu com>
> ---
>  src/virtManager/uihelpers.py |    4 +++-
>  1 files changed, 3 insertions(+), 1 deletions(-)
> 
> diff --git a/src/virtManager/uihelpers.py b/src/virtManager/uihelpers.py
> index 13cc4c1..6267219 100644
> --- a/src/virtManager/uihelpers.py
> +++ b/src/virtManager/uihelpers.py
> @@ -72,7 +72,9 @@ def set_sparse_tooltip(widget):
>                     "but the OS install phase will be quicker. \n\n"
>                     "Skipping allocation can also cause space issues on "
>                     "the host machine, if the maximum image size exceeds "
> -                   "available storage space.")
> +                   "available storage space. \n\n"
> +                   "Tip: Storage format qcow2 and qed "
> +                   "could not support full allocation.")
>      util.tooltip_wrapper(widget, sparse_str)
>  
>  def host_disk_space(conn):
> 

Even though, this is not virt-manager bug (the buck passes through
virt-install and libvirt to qemu-img which cannot be told how much to
allocate - and I am not speaking about sparse files here), I guess it
won't be solved in near future. So until then, we should warn.

Michal


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