Re: [Qemu-devel] Using the one disk image file on 2 virtual machines at the same time

2015-07-29 Thread Manjong Han
Thanks, Stefan. 2015-07-29 17:46 GMT+09:00 Stefan Hajnoczi : > > You should probably use qcow2 backing files instead: > > 10G.qcow2 <-- vm001.qcow2 > ^-- vm002.qcow2 > > The command to create these files is: > > qemu-img create -f qcow2 -o backing_file=10G.qcow2 vm001.qcow2. > > Bo

[Qemu-devel] Using the one disk image file on 2 virtual machines at the same time

2015-07-28 Thread Manjong Han
Hi, I was facing a weird behavior when I used the one disk image file on 2 virtual machines at the same time. I made the instance of a virtual machine, using the below command. $ qemu-system-x86_64 -smp 2 -m 1024 -hda 10G.qcow2 -enable-kvm When the OS(Ubuntu 14.04 64bit) was booted up, I made an

[Qemu-devel] Using the one disk image file on 2 virtual machines at the same time

2015-07-28 Thread Manjong Han
Hi, I was facing a weird behavior when I used the one disk image file on 2 virtual machines at the same time. I made the instance of a virtual machine, using the below command. $ qemu-system-x86_64 -smp 2 -m 1024 -hda 10G.qcow2 -enable-kvm When the OS(Ubuntu 14.04 64bit) was booted up, I made an