[one-users] About the consistency of information(e.g IP data disk) when rebuild

[普通人]

HI everyone 

   now , i want to rebuild  my  VM  and change the OS (eg. from Centos to Ubuntu),but want to keep IP and data disk.
   Unfortunately,in  Openebula  ,there is only  "recreate". Is there someone can help me to realise  my goal ??
   thank you .......
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