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Fri, 18 Nov 2011

Converting KVM disk from qcow2 to lvm volume


# file *dsk
sth.dsk: QEMU QCOW Image (v2), 69793218560 bytes

lvcreate  -L69793218560b -n w732 dt

# time qemu-img convert sth.dsk -O raw /dev/dt/w732

real    23m9.403s
user    0m3.130s
sys     1m11.530s

And replace driver info from qcow2 to raw:

    <emulator>/usr/bin/kvm</emulator>
    <disk type='file' device='disk'>
      <driver name='qemu' type='raw'/>
      <source file='/dev/dt/w732'/>
      <target dev='vda' bus='virtio'/>

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