クレデンシャルを読み込み、CLI コマンドへのアクセス権を取得します。
[root@controller ~]# . openrc/demo-openrc [root@controller ~]#
1GB のボリュームを作成します。
[root@controller ~]# cinder create --display-name mariadb-data 1
+------------------------------+--------------------------------------+
| Property | Value |
+------------------------------+--------------------------------------+
| attachments | [] |
| availability_zone | nova |
| bootable | false |
| consistencygroup_id | None |
| created_at | 2018-11-22T16:09:12.000000 |
| description | None |
| encrypted | False |
| id | c211c310-29f7-4437-8d51-2bf5874c8f01 |
| metadata | {} |
| multiattach | False |
| name | mariadb-data |
| os-vol-tenant-attr:tenant_id | b9644b0689c4469baa45f9acb009d860 |
| replication_status | None |
| size | 1 |
| snapshot_id | None |
| source_volid | None |
| status | creating |
| updated_at | None |
| user_id | 64b377d70bc4457faa169912b02a24d1 |
| volume_type | None |
+------------------------------+--------------------------------------+
[root@controller ~]#
ボリュームのリストを表示します。作成したボリュームがリスト上に表示されます。
[root@controller ~]# cinder list +--------------------------------------+-----------+--------------+------+-------------+----------+--------------------------------------+ | ID | Status | Name | Size | Volume Type | Bootable | Attached to | +--------------------------------------+-----------+--------------+------+-------------+----------+--------------------------------------+ | 68aec228-ffff-4489-940f-8629bdf92c56 | in-use | | 10 | - | true | 7cf67e4e-0114-4cd4-b770-edfd5e213427 | | 7418d28b-9348-4c29-9505-50fe50781701 | in-use | | 10 | - | true | 637ecf9c-64e3-41ea-85bd-242d84ddbcda | | 841a81d5-7ba8-4f86-a0de-ad577ebf4bd0 | available | volume01 | 1 | - | false | | | 887d3b0e-7c1b-4c22-9711-6c6bfa028595 | available | | 10 | - | true | | | b68ce6fd-e6c2-4b32-85fa-32849b913e25 | in-use | | 10 | - | true | 9636f060-409a-46c3-915b-aa6d50c5c629 | | c211c310-29f7-4437-8d51-2bf5874c8f01 | available | mariadb-data | 1 | - | false | | | cc630181-2fd2-4f86-b171-5af099097dc6 | in-use | | 10 | - | true | a8daec69-2490-4ada-8c16-235f13e5c201 | | f50234c8-422e-470b-ad02-c851bcfa4d35 | in-use | | 10 | - | true | 03c1fcaf-54b1-4591-9c4e-5f813bbba9f0 | +--------------------------------------+-----------+--------------+------+-------------+----------+--------------------------------------+ [root@controller ~]#
作成したボリュームをインスタンスに接続します。ここでは、spider_1 といったインスタンスに ボリュームIDが c211c310-29f7-4437-8d51-2bf5874c8f01 の mariadb-data ボリュームを接続しています。
[root@controller ~]# nova volume-attach spider_1 c211c310-29f7-4437-8d51-2bf5874c8f01 +----------+--------------------------------------+ | Property | Value | +----------+--------------------------------------+ | device | /dev/vdb | | id | c211c310-29f7-4437-8d51-2bf5874c8f01 | | serverId | a8daec69-2490-4ada-8c16-235f13e5c201 | | volumeId | c211c310-29f7-4437-8d51-2bf5874c8f01 | +----------+--------------------------------------+ [root@controller ~]#
spider_1 インスタンスでディスクのパーティション情報を確認します。 新たに、ディスク（ /dev/vdb ）が追加されていることを確認できます。
[root@spider-1 ~]# fdisk -l Disk /dev/vda: 10.7 GB, 10737418240 bytes, 20971520 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk label type: dos Disk identifier: 0x000a2561 Device Boot Start End Blocks Id System /dev/vda1 * 2048 2099199 1048576 83 Linux /dev/vda2 2099200 20971519 9436160 8e Linux LVM Disk /dev/mapper/centos-root: 8585 MB, 8585740288 bytes, 16769024 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk /dev/mapper/centos-swap: 1073 MB, 1073741824 bytes, 2097152 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk /dev/vdb: 1073 MB, 1073741824 bytes, 2097152 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes [root@spider-1 ~]#