[Openstack] Question about instance_metadata and instance_system_metadata

Hi, all Recently, I find out that when the instance with some metadata or system_metadata was deleted, but instance_metadata and instance_system_metadata these two tables are still keep the metadata and system_metadata deleted=0 (means these datas are not deleted). I am a little confused about

[Openstack] [Nova] Question about instance_metadata and instance_system_metadata

Hi, all Recently, I find out that when the instance with some metadata or system_metadata was deleted, but instance_metadata and instance_system_metadata these two tables are still keep the metadata and system_metadata deleted=0 (means these datas are not deleted). I am a little confused about

[Openstack] Inject files into VM failed without print any VM state information and still create VM successfully

Hey, I have met the situation when injecting keypair into VM with nbd module failed. Nova only print nbd failed but still create VM successfully. That makes keypair(private key) is not successfully inject into VM. So the VM is not match my prefer. So I think it is necessary to make the VM to