What's this?
Region 間の Cinder volume の移動
- [Region1] Cinder upload to Glance
- [Somewhere installed Openstack client tool] Download Glance image from Region1
- [Somewhere installed Openstack client tool] Upload Glance image to Region2
- [Region2] Create Cinder volume from the image
[Region1] Initial State
# cinder list
+--------------------------------------+-----------+--------------+------+-------------+----------+-------------+
| ID | Status | Display Name | Size | Volume Type | Bootable | Attached to |
+--------------------------------------+-----------+--------------+------+-------------+----------+-------------+
| 64b66381-0068-4d5a-99c3-c59da5792061 | available | admin_vol01 | 1 | None | false | |
+--------------------------------------+-----------+--------------+------+-------------+----------+-------------+
# cinder show 64b66381-0068-4d5a-99c3-c59da5792061
+--------------------------------+--------------------------------------+
| Property | Value |
+--------------------------------+--------------------------------------+
| attachments | [] |
| availability_zone | nova |
| bootable | false |
| created_at | 2015-03-20T07:23:22.000000 |
| display_description | |
| display_name | admin_vol01 |
| encrypted | False |
| id | 64b66381-0068-4d5a-99c3-c59da5792061 |
| metadata | {} |
| os-vol-host-attr:host | node-17 |
| os-vol-mig-status-attr:migstat | None |
| os-vol-mig-status-attr:name_id | None |
| os-vol-tenant-attr:tenant_id | a8085d1871f847bdb906ef4a28d1bd48 |
| size | 1 |
| snapshot_id | None |
| source_volid | None |
| status | available |
| volume_type | None |
+--------------------------------+--------------------------------------+
[Region1] Upload Cinder volume to Glance as image
Cinder upload to image
# cinder upload-to-image --disk-format qcow2 --container-format bare 64b66381-0068-4d5a-99c3-c59da5792061 admin_vol01_img
+---------------------+--------------------------------------+
| Property | Value |
+---------------------+--------------------------------------+
| container_format | bare |
| disk_format | qcow2 |
| display_description | |
| id | 64b66381-0068-4d5a-99c3-c59da5792061 |
| image_id | 9c33c6ef-a25b-47f0-bef7-3e5ed6df54c2 |
| image_name | admin_vol01_img |
| size | 1 |
| status | uploading |
| updated_at | 2015-03-20T07:23:22.000000 |
| volume_type | None |
+---------------------+--------------------------------------+
Check Glance image
# glance image-list
+--------------------------------------+----------------------------------------+-------------+------------------+------------+--------+
| ID | Name | Disk Format | Container Format | Size | Status |
+--------------------------------------+----------------------------------------+-------------+------------------+------------+--------+
| 9c33c6ef-a25b-47f0-bef7-3e5ed6df54c2 | admin_vol01_img | qcow2 | bare | 197120 | active |
+--------------------------------------+----------------------------------------+-------------+------------------+------------+--------+
Download from Region1 to Somewhere server installed Openstack client tool
Env
$ env | egrep "OS_REGION_NAME|OS_AUTH_URL|OS_USERNAME"
OS_REGION_NAME=RegionOne
OS_AUTH_URL=http://10.30.0.2:5000/v2.0/
OS_USERNAME=admin
Glance download
$ glance image-download --file admin_vol01_img_PoC1 admin_vol01_img
$ ls -l admin_vol01_img_PoC1
-rw-r--r-- 1 root root 197120 Mar 20 16:28 admin_vol01_img_PoC1
Upload to Region2 from Somewhere server installed Openstack client tool
Env
$ env | egrep "OS_REGION_NAME|OS_AUTH_URL|OS_USERNAME"
OS_REGION_NAME=RegionTwo
OS_AUTH_URL=http://10.32.37.45:5000/v2.0/
OS_USERNAME=admin
Glance upload (= create from download file)
$ glance image-create --name admin_vol01_img_PoC1 --disk-format qcow2 --container-format bare --is-public True --file admin_vol01_img_PoC1
+------------------+--------------------------------------+
| Property | Value |
+------------------+--------------------------------------+
| checksum | 5789e2a5cabb3007171a45a06e86936f |
| container_format | bare |
| created_at | 2015-03-20T07:29:58 |
| deleted | False |
| deleted_at | None |
| disk_format | qcow2 |
| id | c56612a0-3bc0-4419-b09b-7db0f9e9b53c |
| is_public | True |
| min_disk | 0 |
| min_ram | 0 |
| name | admin_vol01_img_PoC1 |
| owner | 103cfcfb3a094c3382441d21ccff32b3 |
| protected | False |
| size | 197120 |
| status | active |
| updated_at | 2015-03-20T07:29:59 |
| virtual_size | None |
+------------------+--------------------------------------+
Glance image list
$ glance image-list
+--------------------------------------+----------------------+-------------+------------------+------------+--------+
| ID | Name | Disk Format | Container Format | Size | Status |
+--------------------------------------+----------------------+-------------+------------------+------------+--------+
| c56612a0-3bc0-4419-b09b-7db0f9e9b53c | admin_vol01_img_PoC1 | qcow2 | bare | 197120 | active |
+--------------------------------------+----------------------+-------------+------------------+------------+--------+
[Region2] Create Cinder volume from the Glance image
Cinder create from the image uploaded from different Region
$ cinder create --image-id c56612a0-3bc0-4419-b09b-7db0f9e9b53c --display-name "admin_vol11_from_PoC1" 1
+---------------------+--------------------------------------+
| Property | Value |
+---------------------+--------------------------------------+
| attachments | [] |
| availability_zone | nova |
| bootable | false |
| created_at | 2015-03-20T07:33:13.078943 |
| display_description | None |
| display_name | admin_vol11_from_PoC1 |
| encrypted | False |
| id | 5607c316-6c82-4462-999e-8f7f1bdef1cb |
| image_id | c56612a0-3bc0-4419-b09b-7db0f9e9b53c |
| metadata | {} |
| size | 1 |
| snapshot_id | None |
| source_volid | None |
| status | creating |
| volume_type | None |
+---------------------+--------------------------------------+
Cinder volume list
# cinder list
+--------------------------------------+-----------+-----------------------+------+-------------+----------+-------------+
| ID | Status | Display Name | Size | Volume Type | Bootable | Attached to |
+--------------------------------------+-----------+-----------------------+------+-------------+----------+-------------+
| 5607c316-6c82-4462-999e-8f7f1bdef1cb | available | admin_vol11_from_PoC1 | 1 | None | true | |
+--------------------------------------+-----------+-----------------------+------+-------------+----------+-------------+
Environment
- Openstack : Juno
- Ceph : Firefly
Reference
Cinder Migration to Different Backend
Cinder Migration to Different AZ
Cinder Migration to Different Region