OpenStack Dalmatian : How to use Manila (Local Device)2024/10/15 |
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This is How to use OpenStack Shared File System (Manila). This example is based on the environment like follows.
For example, Configure local block device as shared storage on Storage Node and use it from Instances.
------------+--------------------------+--------------------------+------------
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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] | Configure Storage Node. |
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[root@network ~]#
dnf -y install nfs-utils nfs4-acl-tools # create a volume for Manila on free block device [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 # add follows into the [DEFAULT] section
enabled_share_backends = lvm
# add to last line [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 = $my_ip systemctl enable --now openstack-manila-share nfs-server
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| [2] | Create default share type. It's OK to work on any node. (example below is on Control Node) |
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[root@dlp ~(keystone)]# openstack share type create default_share_type False +----------------------+--------------------------------------+ | Field | Value | +----------------------+--------------------------------------+ | id | 7d705b57-98b5-4023-9211-550e952b36e7 | | name | default_share_type | | visibility | public | | is_default | True | | required_extra_specs | driver_handles_share_servers : False | | optional_extra_specs | | | description | None | +----------------------+--------------------------------------+[root@dlp ~(keystone)]# openstack share type list +--------------------------------------+--------------------+------------+------------+--------------------------------------+----------------------+-------------+ | ID | Name | Visibility | Is Default | Required Extra Specs | Optional Extra Specs | Description | +--------------------------------------+--------------------+------------+------------+--------------------------------------+----------------------+-------------+ | 7d705b57-98b5-4023-9211-550e952b36e7 | default_share_type | public | True | driver_handles_share_servers : False | | None | +--------------------------------------+--------------------+------------+------------+--------------------------------------+----------------------+-------------+ |
| [3] | Login as a common user to create Manila NFS Share. |
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[cent@dlp ~(keystone)]$ openstack share create NFS 10 --name share01 --share-type default_share_type
+---------------------------------------+--------------------------------------+
| Field | Value |
+---------------------------------------+--------------------------------------+
| access_rules_status | active |
| availability_zone | None |
| create_share_from_snapshot_support | False |
| created_at | 2024-10-15T01:33:22.145351 |
| description | None |
| has_replicas | False |
| id | 2355596c-bf63-4331-a1d9-b6912e7160bb |
| is_public | False |
| is_soft_deleted | False |
| metadata | {} |
| mount_snapshot_support | False |
| name | share01 |
| progress | None |
| project_id | 756e2b4937c44d3991028e294f92d89a |
| replication_type | None |
| revert_to_snapshot_support | False |
| scheduled_to_be_deleted_at | None |
| share_group_id | None |
| share_network_id | None |
| share_proto | NFS |
| share_type | 7d705b57-98b5-4023-9211-550e952b36e7 |
| share_type_name | default_share_type |
| size | 10 |
| snapshot_id | None |
| snapshot_support | False |
| source_backup_id | None |
| source_share_group_snapshot_member_id | None |
| status | creating |
| task_state | None |
| user_id | 19c7530debb54eb0bfe6dc47aae3df32 |
| volume_type | default_share_type |
+---------------------------------------+--------------------------------------+
# OK if the Status turns to [available] after a few minutes [cent@dlp ~(keystone)]$ openstack share list +--------------------------------------+---------+------+-------------+-----------+-----------+--------------------+------+-------------------+ | ID | Name | Size | Share Proto | Status | Is Public | Share Type Name | Host | Availability Zone | +--------------------------------------+---------+------+-------------+-----------+-----------+--------------------+------+-------------------+ | 2355596c-bf63-4331-a1d9-b6912e7160bb | share01 | 10 | NFS | available | False | default_share_type | | nova | +--------------------------------------+---------+------+-------------+-----------+-----------+--------------------+------+-------------------+ |
| [4] | That's OK, you can use Manila Shared filesystem on your own instances like follows. |
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[cent@dlp ~(keystone)]$ openstack server list +--------------------------------------+------------+---------+-------------------------------------+----------------+----------+ | ID | Name | Status | Networks | Image | Flavor | +--------------------------------------+------------+---------+-------------------------------------+----------------+----------+ | 3d753408-6705-4cbf-acd8-2e09d975b973 | CentOS-St9 | SHUTOFF | private=10.0.0.206, 192.168.100.103 | CentOS-Stream9 | m1.small | +--------------------------------------+------------+---------+-------------------------------------+----------------+----------+ # set access permission first [cent@dlp ~(keystone)]$ openstack share access create share01 ip 10.0.0.0/24 --access-level rw +--------------+--------------------------------------+ | Field | Value | +--------------+--------------------------------------+ | id | 7f753089-affd-49de-ad35-dbc4b37fec34 | | share_id | 2355596c-bf63-4331-a1d9-b6912e7160bb | | access_level | rw | | access_to | 10.0.0.0/24 | | access_type | ip | | state | queued_to_apply | | access_key | None | | created_at | 2024-10-15T01:34:24.633450 | | updated_at | None | | properties | | +--------------+--------------------------------------+ # OK if State turns to [active] [cent@dlp ~(keystone)]$ openstack share access list share01 +--------------------------------------+-------------+-------------+--------------+--------+------------+----------------------------+----------------------------+ | ID | Access Type | Access To | Access Level | State | Access Key | Created At | Updated At | +--------------------------------------+-------------+-------------+--------------+--------+------------+----------------------------+----------------------------+ | 7f753089-affd-49de-ad35-dbc4b37fec34 | ip | 10.0.0.0/24 | rw | active | None | 2024-10-15T01:34:24.633450 | 2024-10-15T01:34:25.858878 | +--------------------------------------+-------------+-------------+--------------+--------+------------+----------------------------+----------------------------+
[cent@dlp ~(keystone)]$
openstack server start CentOS-St9 # confirm access Path [cent@dlp ~(keystone)]$ openstack share show share01 | grep path | cut -d'|' -f3 path = 10.0.0.50:/var/lib/manila/mnt/share-c4fd890f-e1ac-454a-96ab-4f2660253f2e
[cent@dlp ~(keystone)]$
ssh centos@10.0.0.206 Last login: Thu Oct 10 12:50:06 2024 from 10.0.0.30 [centos@centos-st9 ~]$ # mount Manila shared storage [centos@centos-st9 ~]$ sudo mount -t nfs \ 10.0.0.50:/var/lib/manila/mnt/share-c4fd890f-e1ac-454a-96ab-4f2660253f2e /mnt [centos@centos-st9 ~]$ 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 8.6M 775M 2% /run /dev/mapper/cs-root xfs 8.0G 1.9G 6.1G 24% / /dev/vda1 xfs 960M 231M 730M 25% /boot tmpfs tmpfs 392M 0 392M 0% /run/user/1001 10.0.0.50:/var/lib/manila/mnt/share-c4fd890f-e1ac-454a-96ab-4f2660253f2e nfs4 9.8G 0 9.3G 0% /mnt[centos@centos-st9 ~]$ echo "manila write test" > /mnt/testfile.txt [centos@centos-st9 ~]$ cat /mnt/testfile.txt manila write test |
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