The status of resouce metadata in checkpoint have not been set to available in volume plugin.
After the volume being protected successfully, the status of resouce metadata in checkpoint has not changed to 'available '.
root@SZX1000288074:/opt/checkpoints/486d93cd-7277-4c00-a3bf-f95ceb88165c# cat index.json
{"status": "available", "provider_id": "cf56bd3e-97a7-4078-b6d5-f36246333fd9", "resource_graph": "[{\"0x1\": [\"OS::Nova::Server\", \"0631680a-03e6-4fbc-89d3-29e4892b4614\", \"serverbootfromvol\"], \"0x0\": [\"OS::Cinder::Volume\", \"cb8c4d65-24aa-4136-bc32-5799c7b60344\", \"bootablevolume\"]}, [[\"0x1\", [\"0x0\"]]]]", "timestamp": 1491925723, "created_at": "2017-04-11", "owner_id": "2fe857ad-af6c-4c70-a7d7-335e313afa5a", "id": "486d93cd-7277-4c00-a3bf-f95ceb88165c", "version": "0.9", "project_id": "b8583edc81a8426a8615153a7b19bf21", "protection_plan": {"provider_id": "cf56bd3e-97a7-4078-b6d5-f36246333fd9", "id": "35ecc1cc-c8a4-4ec6-ac22-29dbbf86566c", "resources": [{"type": "OS::Nova::Server", "id": "0631680a-03e6-4fbc-89d3-29e4892b4614", "name": "serverbootfromvol"}], "name": "Test server boot form volume."}, "extra_info": null}root@SZX1000288074:/opt/checkpoints/486d93cd-7277-4c00-a3bf-f95ceb88165c#
root@SZX1000288074:/opt/checkpoints/486d93cd-7277-4c00-a3bf-f95ceb88165c#
root@SZX1000288074:/opt/checkpoints/486d93cd-7277-4c00-a3bf-f95ceb88165c#
root@SZX1000288074:/opt/checkpoints/486d93cd-7277-4c00-a3bf-f95ceb88165c# ll
total 16
drwxr-xr-x 3 root root 4096 Apr 20 16:31 ./
drwxr-xr-x 14 root root 4096 Apr 20 16:31 ../
-rw-r--r-- 1 root root 843 Apr 20 16:31 index.json
drwxr-xr-x 4 root root 4096 Apr 20 16:31 resource-data/
root@SZX1000288074:/opt/checkpoints/486d93cd-7277-4c00-a3bf-f95ceb88165c# cd resource-data/
root@SZX1000288074:/opt/checkpoints/486d93cd-7277-4c00-a3bf-f95ceb88165c/resource-data# ls
0631680a-03e6-4fbc-89d3-29e4892b4614 cb8c4d65-24aa-4136-bc32-5799c7b60344
root@SZX1000288074:/opt/checkpoints/486d93cd-7277-4c00-a3bf-f95ceb88165c/resource-data# cd cb8c4d65-24aa-4136-bc32-5799c7b60344/
root@SZX1000288074:/opt/checkpoints/486d93cd-7277-4c00-a3bf-f95ceb88165c/resource-data/cb8c4d65-24aa-4136-bc32-5799c7b60344#
root@SZX1000288074:/opt/checkpoints/486d93cd-7277-4c00-a3bf-f95ceb88165c/resource-data/cb8c4d65-24aa-4136-bc32-5799c7b60344# cat metadata
{"backup_id": "ddec0d60-ad44-4714-b34e-ce7ca60dfdd7", "volume_id": "cb8c4d65-24aa-4136-bc32-5799c7b60344"}root@SZX1000288074:/opt/checkpoints/486d93cd-7277-4c00-a3bf-f95ceb88165c/resource-data/cb8c4d65-24aa-4136-bc32-5799c7b60344#
root@SZX1000288074:/opt/checkpoints/486d93cd-7277-4c00-a3bf-f95ceb88165c/resource-data/cb8c4d65-24aa-4136-bc32-5799c7b60344#
root@SZX1000288074:/opt/checkpoints/486d93cd-7277-4c00-a3bf-f95ceb88165c/resource-data/cb8c4d65-24aa-4136-bc32-5799c7b60344#
root@SZX1000288074:/opt/checkpoints/486d93cd-7277-4c00-a3bf-f95ceb88165c/resource-data/cb8c4d65-24aa-4136-bc32-5799c7b60344#
root@SZX1000288074:/opt/checkpoints/486d93cd-7277-4c00-a3bf-f95ceb88165c/resource-data/cb8c4d65-24aa-4136-bc32-5799c7b60344# ll
total 16
drwxr-xr-x 2 root root 4096 Apr 20 16:31 ./
drwxr-xr-x 4 root root 4096 Apr 20 16:31 ../
-rw-r--r-- 1 root root 106 Apr 20 16:31 metadata
-rw-r--r-- 1 root root 10 Apr 20 16:31 status
root@SZX1000288074:/opt/checkpoints/486d93cd-7277-4c00-a3bf-f95ceb88165c/resource-data/cb8c4d65-24aa-4136-bc32-5799c7b60344# cat status
protectingroot@SZX1000288074:/opt/checkpoints/486d93cd-7277-4c00-a3bf-f95ceb88165c/resource-data/cb8c4d65-24aa-4136-bc32-5799c7b60344#
root@SZX1000288074:/opt/checkpoints/486d93cd-7277-4c00-a3bf-f95ceb88165c/resource-data/cb8c4d65-24aa-4136-bc32-5799c7b60344#
root@SZX1000288074:/opt/checkpoints/486d93cd-7277-4c00-a3bf-f95ceb88165c/resource-data/cb8c4d65-24aa-4136-bc32-5799c7b60344#
root@SZX1000288074:/opt/checkpoints/486d93cd-7277-4c00-a3bf-f95ceb88165c/resource-data/cb8c4d65-24aa-4136-bc32-5799c7b60344#
Fix proposed to branch: master /review. openstack. org/460116
Review: https:/