#Storage Node 설정
1) Configure Storage Node.
[root@storage ~]# yum -y install nfs-utils
[root@storage ~]# vi /etc/idmapd.conf
# 5번 줄 수정
Domain = srv.world
[root@storage ~]# vi /etc/cinder/cinder.conf
# add follows in the [DEFAULT] section
enabled_backends = lvm,nfs
# 마지막 줄 추가
[lvm]
target_helper = lioadm
target_protocol = iscsi
# IP address of Storage Node
target_ip_address = 10.0.0.50
volume_backend_name = LVM
# volume group name created
volume_group = vg_volume01
volume_driver = cinder.volume.drivers.lvm.LVMVolumeDriver
volumes_dir = $state_path/volumes
[nfs]
volume_driver = cinder.volume.drivers.nfs.NfsDriver
volume_backend_name = NFS
nfs_shares_config = /etc/cinder/nfs_shares
nfs_mount_point_base = $state_path/mnt_nfs
[root@storage ~]# vi /etc/cinder/nfs_shares
# create new : specify NFS shared directories
nfs.srv.world:/var/lib/nfs-share
[root@storage ~]# chmod 640 /etc/cinder/nfs_shares
[root@storage ~]# chgrp cinder /etc/cinder/nfs_shares
[root@storage ~]# systemctl restart openstack-cinder-volume
[root@storage ~]# chown -R cinder. /var/lib/cinder/mnt_nfs
# Computer Node 설정
1) Configure Compute Node.
[root@computer ~]# yum -y install nfs-utils
[root@computer ~]# vi /etc/idmapd.conf
# 5번 줄 수정
Domain = srv.world
[root@computer ~]# vi /etc/nova/nova.conf
# 마지막 줄 추가
[cinder]
os_region_name = RegionOne
[root@computer ~]# systemctl restart openstack-nova-compute
# Controller Node 설정
1) Create volume types.
[root@controller ~(keystone)]# echo "export OS_VOLUME_API_VERSION=3" >> ~/keystonerc
[root@controller ~(keystone)]# source ~/keystonerc
[root@controller ~(keystone)]# openstack volume type create lvm
+-------------+--------------------------------------+
| Field | Value |
+-------------+--------------------------------------+
| description | None |
| id | 33268aef-21f0-4477-8615-4de178d2cf29 |
| is_public | True |
| name | lvm |
+-------------+--------------------------------------+
[root@controller ~(keystone)]# openstack volume type create nfs
+-------------+--------------------------------------+
| Field | Value |
+-------------+--------------------------------------+
| description | None |
| id | 5dcf447e-0d18-4996-8b47-697555d29248 |
| is_public | True |
| name | nfs |
+-------------+--------------------------------------+
[root@controller ~(keystone)]# openstack volume type list
+--------------------------------------+------+-----------+
| ID | Name | Is Public |
+--------------------------------------+------+-----------+
| 5dcf447e-0d18-4996-8b47-697555d29248 | nfs | True |
| 33268aef-21f0-4477-8615-4de178d2cf29 | lvm | True |
+--------------------------------------+------+-----------+
2) Login as a common user you'd like to add volumes to own instances.
[root@controller ~(keystone)]# openstack volume create --type lvm --size 10 disk_lvm
+---------------------+--------------------------------------+
| Field | Value |
+---------------------+--------------------------------------+
| attachments | [] |
| availability_zone | nova |
| bootable | false |
| consistencygroup_id | None |
| created_at | 2019-05-16T08:20:07.000000 |
| description | None |
| encrypted | False |
| id | 2a04f293-c3cf-4253-9227-e432d28f57e8 |
| multiattach | False |
| name | disk_lvm |
| properties | |
| replication_status | None |
| size | 10 |
| snapshot_id | None |
| source_volid | None |
| status | creating |
| type | lvm |
| updated_at | None |
| user_id | b5dd128c2fd744c892ad7d1fb39d21a0 |
+---------------------+--------------------------------------+
[root@controller ~(keystone)]# openstack volume create --type nfs --size 10 disk_nfs
+---------------------+--------------------------------------+
| Field | Value |
+---------------------+--------------------------------------+
| attachments | [] |
| availability_zone | nova |
| bootable | false |
| consistencygroup_id | None |
| created_at | 2019-05-16T08:20:25.000000 |
| description | None |
| encrypted | False |
| id | 26086a9c-5769-46db-a5fa-08b25bf1ddf0 |
| multiattach | False |
| name | disk_nfs |
| properties | |
| replication_status | None |
| size | 10 |
| snapshot_id | None |
| source_volid | None |
| status | creating |
| type | nfs |
| updated_at | None |
| user_id | b5dd128c2fd744c892ad7d1fb39d21a0 |
+---------------------+--------------------------------------+
[root@controller ~(keystone)]# openstack volume list
+--------------------------------------+----------+-----------+------+-------------+
| ID | Name | Status | Size | Attached to |
+--------------------------------------+----------+-----------+------+-------------+
| 26086a9c-5769-46db-a5fa-08b25bf1ddf0 | disk_nfs | available | 10 | |
| 2a04f293-c3cf-4253-9227-e432d28f57e8 | disk_lvm | available | 10 | |
+--------------------------------------+----------+-----------+------+-------------+
3) Attache volume to an instance.
[root@controller ~(keystone)]# openstack server list
+--------------------------------------+----------+---------+------------------------------------+---------+----------+
| ID | Name | Status | Networks | Image | Flavor |
+--------------------------------------+----------+---------+------------------------------------+---------+----------+
| aced428a-2d16-4679-9798-50e69c7aaf1d | CentOS_7 | SHUTOFF | int_net=192.168.100.59, 10.0.0.240 | CentOS7 | m1.small |
+--------------------------------------+----------+---------+------------------------------------+---------+----------+
[root@controller ~(keystone)]# openstack server add volume CentOS_7 disk_lvm
[root@controller ~(keystone)]# openstack server add volume CentOS_7 disk_nfs
# the status of attached disk turns [in-use] like follows
[root@controller ~(keystone)]# openstack volume list
+--------------------------------------+----------+--------+------+-----------------------------------+
| ID | Name | Status | Size | Attached to |
+--------------------------------------+----------+--------+------+-----------------------------------+
| 26086a9c-5769-46db-a5fa-08b25bf1ddf0 | disk_nfs | in-use | 10 | Attached to CentOS_7 on /dev/vdc |
| 2a04f293-c3cf-4253-9227-e432d28f57e8 | disk_lvm | in-use | 10 | Attached to CentOS_7 on /dev/vdb |
+--------------------------------------+----------+--------+------+-----------------------------------+
# detach the disk
[root@controller ~(keystone)]# openstack server remove volume CentOS_7 disk_lvm
[root@controller ~(keystone)]# openstack server remove volume CentOS_7 disk_nfs
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