Re: [Qemu-devel] nbd-server / monitor to copy files/directory in to running VM.

[Paolo Bonzini <pbonzini@redhat.com>]

On 10/28/2014 06:02 PM, Jd wrote:
> Hi
>   I see an option to start nbd-server from running VM via qemu monitor.
> This is very useful. The option seems to allow sharing the disk with
> read/write permission. Can I really export and use the nbd-served disk
> from running vm in read/write ? Isnt there a risk for corrupting the
> file system ?

You must know what you are doing.  In general the answer is yes, you
risk corrupting the file system.

Paolo

>   qemu monitor seems to have command to open, write, close commands. I
> tried them and I could create a file (after going through encoding). How
> can I create a directory using this ?
> 
>   I read little bit about live-guestfs, but it needs another agent in to
> the VM. Also, is this ready for prime time ? Any plans to have this in
> the qemu guest agent. This way we dont have to have multiple agents
> required in the guest.
> 
>   Is there any other ideas on copying files in to a running VM ?
> 
> Thanks
> /Jd
> 
>