OpenStack Bobcat : Compute ノードを追加する (GPU)2023/10/05 |
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GPU を搭載した Compute ノードを追加して、仮想マシンインスタンスで GPU が利用できるように設定します。
当例では以下のような環境を例に、新たに GPU を搭載した [node02.srv.world] を Compute ノードとして追加します。
------------+--------------------------+--------------------------+------------
| | |
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 | | OVN Metadata Agent |
| | | | | OVN-Controller |
+-----------------------+ +-----------------------+ +-----------------------+
------------+------------
|
eth0|10.0.0.52
+-----------+-----------+
| [ node02.srv.world ] |
| (Compute Node (GPU)) |
| |
| Libvirt |
| Nova Compute |
| Open vSwitch |
| OVN Metadata Agent |
| OVN-Controller |
+-----------------------+
|
| [1] |
追加する Compute ノードに
こちらの [1] を参考にして GPU パススルーの設定を適用しておきます。
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| [2] | |
| [3] | 追加した Nova-Compute に、GPU パススルー用の設定をします。 |
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root@node02:~# lspci -nn | grep -i nvidia 02:00.0 VGA compatible controller [0300]: NVIDIA Corporation GK104 [GeForce GTX 680] [10de:1180] (rev a1) 02:00.1 Audio device [0403]: NVIDIA Corporation GK104 HDMI Audio Controller [10de:0e0a] (rev a1)
root@node02:~#
vi /etc/nova/nova.conf
# 最終行に追記
# パススルーしたいデバイスの [vendor_id], [product_id] を追記
[pci]
passthrough_whitelist = { "vendor_id": "10de", "product_id": "1180" }
systemctl restart nova-compute
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| [4] | Control ノードで Nova の設定を変更します。 |
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root@dlp ~(keystone)#
vi /etc/nova/nova.conf
# 最終行に追記
# 対象の Compute ノードでパススルー設定したデバイスの [vendor_id], [product_id] を追記
# [name] は任意の名称
[pci]
alias: { "vendor_id":"10de", "product_id":"1180", "device_type":"type-PCI", "name":"GTX-680" }
[filter_scheduler]
enabled_filters = PciPassthroughFilter
root@dlp ~(keystone)#
systemctl restart nova-api nova-scheduler
# GPU 用の [flavor] 作成 root@dlp ~(keystone)# openstack flavor create --id 5 --vcpus 4 --ram 8192 --disk 20 --property "pci_passthrough:alias"="GTX-680:1" gpu1.small +----------------------------+-----------------------------------+ | Field | Value | +----------------------------+-----------------------------------+ | OS-FLV-DISABLED:disabled | False | | OS-FLV-EXT-DATA:ephemeral | 0 | | description | None | | disk | 20 | | id | 5 | | name | gpu1.small | | os-flavor-access:is_public | True | | properties | pci_passthrough:alias='GTX-680:1' | | ram | 8192 | | rxtx_factor | 1.0 | | swap | 0 | | vcpus | 4 | +----------------------------+-----------------------------------+root@dlp ~(keystone)# openstack flavor list +----+------------+------+------+-----------+-------+-----------+ | ID | Name | RAM | Disk | Ephemeral | VCPUs | Is Public | +----+------------+------+------+-----------+-------+-----------+ | 1 | m1.small | 2048 | 10 | 0 | 1 | True | | 2 | m1.medium | 4096 | 10 | 0 | 2 | True | | 3 | m1.large | 8192 | 10 | 0 | 4 | True | | 4 | m2.large | 8192 | 20 | 0 | 4 | True | | 5 | gpu1.small | 8192 | 20 | 0 | 4 | True | +----+------------+------+------+-----------+-------+-----------+ |
| [5] | 任意の Openstack ユーザーで GPU インスタンスを作成して動作確認します。 |
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ubuntu@dlp ~(keystone)$ openstack network list +--------------------------------------+---------+--------------------------------------+ | ID | Name | Subnets | +--------------------------------------+---------+--------------------------------------+ | 1d42f5e1-1ff2-4f70-8c48-8c7f6eae0672 | public | c192082c-f107-4eed-aafc-6e30b604e283 | | 529ae54a-4bba-40a3-905d-2ca57557236a | private | e14c5e7d-41d0-4378-af0f-0993c4389593 | +--------------------------------------+---------+--------------------------------------+ubuntu@dlp ~(keystone)$ netID=$(openstack network list | grep private | awk '{ print $2 }')
ubuntu@dlp ~(keystone)$
ubuntu@dlp ~(keystone)$ openstack server create --flavor gpu1.small --image Ubuntu2204 --security-group secgroup01 --nic net-id=$netID --key-name mykey Ubuntu-2204GPU
openstack server list +--------------------------------------+----------------+---------+------------------------------------+------------+------------+ | ID | Name | Status | Networks | Image | Flavor | +--------------------------------------+----------------+---------+------------------------------------+------------+------------+ | 2932146c-3ab0-4b43-b288-e9771fee7c59 | Ubuntu-2204GPU | ACTIVE | private=192.168.100.182 | Ubuntu2204 | gpu1.small | | 530698ed-413e-4bda-b02e-8f6f60380bd1 | Ubuntu-2204 | SHUTOFF | private=10.0.0.222, 192.168.100.79 | Ubuntu2204 | m1.medium | +--------------------------------------+----------------+---------+------------------------------------+------------+------------+ubuntu@dlp ~(keystone)$ openstack floating ip create public +---------------------+--------------------------------------+ | Field | Value | +---------------------+--------------------------------------+ | created_at | 2023-10-05T09:21:50Z | | description | | | dns_domain | | | dns_name | | | fixed_ip_address | None | | floating_ip_address | 10.0.0.221 | | floating_network_id | 1d42f5e1-1ff2-4f70-8c48-8c7f6eae0672 | | id | 3217d6a9-f909-46d3-b06f-c3bb1a311238 | | name | 10.0.0.221 | | port_details | None | | port_id | None | | project_id | f30cd546632e484cb24414d83207694b | | qos_policy_id | None | | revision_number | 0 | | router_id | None | | status | DOWN | | subnet_id | None | | tags | [] | | updated_at | 2023-10-05T09:21:50Z | +---------------------+--------------------------------------+ubuntu@dlp ~(keystone)$ openstack server add floating ip Ubuntu-2204GPU 10.0.0.221 ubuntu@dlp ~(keystone)$ ssh ubuntu@10.0.0.221
The authenticity of host '10.0.0.221 (10.0.0.221)' can't be established.
ED25519 key fingerprint is SHA256:RZ4Xwnd2jlSstMnZKarHrTYVz5MrU7ktIs1ecdFNiQA.
This key is not known by any other names
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
Warning: Permanently added '10.0.0.221' (ED25519) to the list of known hosts.
Welcome to Ubuntu 22.04.3 LTS (GNU/Linux 5.15.0-84-generic x86_64)
.....
.....
ubuntu@ubuntu-2204gpu:~$ubuntu@ubuntu-2204gpu:~$ lspci | grep -i nvidia 00:05.0 VGA compatible controller: NVIDIA Corporation GK104 [GeForce GTX 680] (rev a1) |
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