OpenStack Epoxy : Manila 利用方法 (ローカルデバイス)2025/05/28 |
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OpenStack Shared File System（Manila）による共有の設定です。 当例では以下のような環境を例に Manila をインストールして設定しています。 例として、Storage ノードのローカルブロックデバイスを LVM バックエンドの共有ストレージとして設定し、インスタンスから利用できるようにします。 よって、前提として Storage ノードに空きブロックデバイスがある必要があります。
------------+--------------------------+--------------------------+------------
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eth0|10.0.0.30 eth0|10.0.0.50 eth0|10.0.0.51
+-----------+-----------+ +-----------+-----------+ +-----------+-----------+
| [ dlp.srv.world ] | | [ network.srv.world ] | | [ node01.srv.world ] |
| (Control Node) | | (Network Node) | | (Compute Node) |
| | | | | |
| MariaDB RabbitMQ | | Open vSwitch | | Libvirt |
| Memcached Nginx | | Neutron Server | | Nova Compute |
| Keystone httpd | | OVN-Northd | | Open vSwitch |
| Glance Nova API | | Nginx iSCSI Target | | OVN Metadata Agent |
| Cinder API Manila API | | Cinder Volume | | OVN-Controller |
| | | Manila Share | | |
+-----------------------+ +-----------------------+ +-----------------------+
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| [1] | Storage ノードの設定です。 |
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[root@network ~]#
dnf -y install nfs-utils nfs4-acl-tools # 空きデバイスに Manila 用ボリューム作成 [root@network ~]# pvcreate /dev/sdc1 Physical volume "/dev/sdc1" successfully created [root@network ~]# vgcreate manila-volumes /dev/sdc1 Volume group "manila-volumes" successfully created
[root@network ~]#
vi /etc/manila/manila.conf # [DEFAULT] セクション内の任意の場所へ追記
enabled_share_backends = lvm
# 最終行へ追記 [lvm] share_backend_name = LVM share_driver = manila.share.drivers.lvm.LVMShareDriver driver_handles_share_servers = False lvm_share_volume_group = manila-volumes lvm_share_export_ips = $my_ip systemctl enable --now openstack-manila-share nfs-server
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| [2] | デフォルトの共有タイプを作成します。 作業は、どこでもよいですが、当例ではコントロールノード上で行います。 |
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[root@dlp ~(keystone)]# openstack share type create default_share_type False +----------------------+--------------------------------------+ | Field | Value | +----------------------+--------------------------------------+ | id | 7cfaec3d-23b6-4e3c-993b-a495c2f13880 | | name | default_share_type | | visibility | public | | is_default | True | | required_extra_specs | driver_handles_share_servers : False | | optional_extra_specs | | | description | None | +----------------------+--------------------------------------+[root@dlp ~(keystone)]# openstack share type list +--------------------------------------+--------------------+------------+------------+--------------------------------------+----------------------+-------------+ | ID | Name | Visibility | Is Default | Required Extra Specs | Optional Extra Specs | Description | +--------------------------------------+--------------------+------------+------------+--------------------------------------+----------------------+-------------+ | 7cfaec3d-23b6-4e3c-993b-a495c2f13880 | default_share_type | public | True | driver_handles_share_servers : False | | None | +--------------------------------------+--------------------+------------+------------+--------------------------------------+----------------------+-------------+ |
| [3] | 共有を作成して自身が所有するインスタンスで利用したい任意のユーザーで、NFS 共有を作成します。 |
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[cent@dlp ~(keystone)]$ openstack share create NFS 10 --name share01 --share-type default_share_type
+---------------------------------------+--------------------------------------+
| Field | Value |
+---------------------------------------+--------------------------------------+
| id | 695308c0-e2b7-44d6-a269-13aa0647cdeb |
| size | 10 |
| availability_zone | None |
| created_at | 2025-05-28T00:05:20.214703 |
| status | creating |
| name | share01 |
| description | None |
| project_id | 6cd379304e2447da8514a66bb6cdfda5 |
| snapshot_id | None |
| share_network_id | None |
| share_proto | NFS |
| metadata | {} |
| share_type | 7cfaec3d-23b6-4e3c-993b-a495c2f13880 |
| volume_type | default_share_type |
| is_public | False |
| snapshot_support | False |
| task_state | None |
| share_type_name | default_share_type |
| access_rules_status | active |
| replication_type | None |
| has_replicas | False |
| user_id | b6e98dc2822541dd8c4571ac4ed54778 |
| create_share_from_snapshot_support | False |
| revert_to_snapshot_support | False |
| share_group_id | None |
| source_share_group_snapshot_member_id | None |
| mount_snapshot_support | False |
| progress | None |
| is_soft_deleted | False |
| scheduled_to_be_deleted_at | None |
| source_backup_id | None |
+---------------------------------------+--------------------------------------+
# Status が [available] になれば作成完了 [cent@dlp ~(keystone)]$ openstack share list +--------------------------------------+---------+------+-------------+-----------+-----------+--------------------+------+-------------------+ | ID | Name | Size | Share Proto | Status | Is Public | Share Type Name | Host | Availability Zone | +--------------------------------------+---------+------+-------------+-----------+-----------+--------------------+------+-------------------+ | 695308c0-e2b7-44d6-a269-13aa0647cdeb | share01 | 10 | NFS | available | False | default_share_type | | nova | +--------------------------------------+---------+------+-------------+-----------+-----------+--------------------+------+-------------------+ |
| [4] | 以上で、共有を作成したユーザーが所有するインスタンスから Manila の共有サービスを利用することができます。 |
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[cent@dlp ~(keystone)]$ openstack server list +--------------------------------------+----------+---------+------------------------------------+----------------+----------+ | ID | Name | Status | Networks | Image | Flavor | +--------------------------------------+----------+---------+------------------------------------+----------------+----------+ | ba6f1ab3-86c9-4966-b1e6-ceabe5353c07 | CentOS-9 | SHUTOFF | private=10.0.0.208, 192.168.100.57 | CentOS-Stream9 | m1.small | +--------------------------------------+----------+---------+------------------------------------+----------------+----------+ # アクセス許可の設定 (IP にはインスタンスの IP アドレス または インスタンスが属するサブネットを指定) [cent@dlp ~(keystone)]$ openstack share access create share01 ip 10.0.0.0/24 --access-level rw +--------------+--------------------------------------+ | Field | Value | +--------------+--------------------------------------+ | id | 9a215d54-932c-4757-899b-3b4b8ea6ab22 | | share_id | 695308c0-e2b7-44d6-a269-13aa0647cdeb | | access_level | rw | | access_to | 10.0.0.0/24 | | access_type | ip | | state | queued_to_apply | | access_key | None | | created_at | 2025-05-28T00:06:30.415667 | | updated_at | None | | properties | | +--------------+--------------------------------------+ # State が [active] であれば問題なし [cent@dlp ~(keystone)]$ openstack share access list share01 +--------------------------------------+-------------+-------------+--------------+--------+------------+----------------------------+----------------------------+ | ID | Access Type | Access To | Access Level | State | Access Key | Created At | Updated At | +--------------------------------------+-------------+-------------+--------------+--------+------------+----------------------------+----------------------------+ | 9a215d54-932c-4757-899b-3b4b8ea6ab22 | ip | 10.0.0.0/24 | rw | active | None | 2025-05-28T00:06:30.415667 | 2025-05-28T00:06:31.612337 | +--------------------------------------+-------------+-------------+--------------+--------+------------+----------------------------+----------------------------+
[cent@dlp ~(keystone)]$
openstack server start CentOS-9 # アクセス Path 確認 [cent@dlp ~(keystone)]$ openstack share show share01 | grep path | cut -d'|' -f3 path = 10.0.0.50:/var/lib/manila/mnt/share-c3de527f-4b02-4f10-b7fb-4cc08410d4c3
[cent@dlp ~(keystone)]$
ssh centos@10.0.0.208 Last login: Fri May 23 11:31:54 2025 from 10.0.0.30 [centos@centos-9 ~]$ # Manila 共有ストレージをマウント [centos@centos-9 ~]$ sudo mount -t nfs \ 10.0.0.50:/var/lib/manila/mnt/share-c3de527f-4b02-4f10-b7fb-4cc08410d4c3 /mnt [centos@centos-9 ~]$ df -hT Filesystem Type Size Used Avail Use% Mounted on devtmpfs devtmpfs 4.0M 0 4.0M 0% /dev tmpfs tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs tmpfs 783M 8.7M 774M 2% /run /dev/mapper/cs-root xfs 8.0G 2.0G 6.0G 25% / /dev/vda1 xfs 960M 275M 686M 29% /boot tmpfs tmpfs 392M 0 392M 0% /run/user/1001 10.0.0.50:/var/lib/manila/mnt/share-c3de527f-4b02-4f10-b7fb-4cc08410d4c3 nfs4 9.8G 0 9.3G 0% /mnt[centos@centos-9 ~]$ echo "manila write test" > /mnt/testfile.txt [centos@centos-9 ~]$ cat /mnt/testfile.txt manila write test |
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