내맘대로 테크 피크닉

hostname ip os role storage controller x.x.x.110 centos 7.3 proxy compute x.x.x.111 centos 7.3 storage 1 node /dev/sdc 20gb network x.x.x.112 centos 7.3 storage 2 node /dev/sdc 20gb ############################## ####### controller node 설정 ###### ############################## [root@controller ~]# source ~/keystonerc [root@controller ~]# openstack user create --domain default --project service -..

########################### ##### controller node 설치 ##### ########################## [root@controller ~]# mysql -u root -p MariaDB [(none)]> create database cinder; Query OK, 1 row affected (0.01 sec) MariaDB [(none)]> grant all privileges on cinder.* to cinder@'localhost' identified by 'cinder'; Query OK, 0 rows affected (0.14 sec) MariaDB [(none)]> grant all privileges on cinder.* to cinder@'..

############################ #### controller node 설치 ####### ############################ [root@controller ~]# mysql -u root -p MariaDB [(none)]> create database neutron; Query OK, 1 row affected (0.00 sec) MariaDB [(none)]> grant all privileges on neutron.* to neutron@'localhost' identified by 'neutron'; Query OK, 0 rows affected (0.00 sec) MariaDB [(none)]> grant all privileges on neutron.* to..

[root@controller ~]# yum install -y openstack-dashboard [root@controller ~]# cp /etc/openstack-dashboard/local_settings /etc/openstack-dashboard/local_settings.bak [root@controller ~]# vi /etc/openstack-dashboard/local_settings ALLOWED_HOSTS = ['*', 'localhost'] OPENSTACK_API_VERSIONS = { # "data-processing": 1.1, "identity": 3, "image": 2, "volume": 2, # "compute": 2, } OPENSTACK_KEYSTONE_MULTI..

########################################### ############# ctr.park.com 컨트롤러 세팅 ########## ########################################### DB생성 [root@controller ~]# mysql -u root -p MariaDB [(none)]> create database nova; Query OK, 1 row affected (0.00 sec) MariaDB [(none)]> create database nova_api; Query OK, 1 row affected (0.00 sec) MariaDB [(none)]> create database nova_cell0; Query OK, 1 row aff..

[root@controller conf]# mysql -u root -p MariaDB [(none)]> CREATE DATABASE glance; MariaDB [(none)]> CREATE DATABASE glance; Query OK, 1 row affected (0.01 sec) MariaDB [(none)]> GRANT ALL PRIVILEGES ON glance.* TO 'glance'@'localhost' IDENTIFIED BY 'glance'; Query OK, 0 rows affected (0.01 sec) MariaDB [(none)]> GRANT ALL PRIVILEGES ON glance.* TO 'glance'@'%' IDENTIFIED BY 'glance'; Query OK, ..

1) DNS 진행과정 사진 참조 : https://ijbgo.tistory.com/27 1. www.naver.com 주소를 입력하면 /etc/hosts에 없다면 resolve.conf 에 있는 local DNS서버로 hostname을 검색한다. 2. local DNS서버에 hostname이 없으면 root DNS로 질의함 3. fqdn에 대한 주소가 없고 .com에 대한 주소를 확인후 com DNS 서버 주소를 알려줌 4. local DNS서버에서 com DNS 서버에서 naver.com 주소를 확인후 local 서버로 전달 5. local DNS서버는 다시 naver.com DNS서버로 질의 하고 naver.com DNS 서버는 DNS 레코드를 검색해서 www.naver.com 의 주소를 전달한다. ..

N7k-1 : 10.0.0.1 /24 N7K-2: 10.0.0.2 /24 VIP : 10.0.0.254/24 Linux : 10.0.0.10 /24 기본설정 및 vpc설정 N7K-1 N7K-2 conf t hostname N7K-1 int mgmt 0 vrf mem management ip addr 172.16.12.1/24 feature vpc feature lacp feature interface-vlan feature hsrp int e1/1-2 switchport switch mode trunk channel-group 1000 mode active no shut show int status up show port-channel summ vpc domain 1000 peer-switch role ..

packstack : redhat 계열 openstack 자동화 설치 툴 h/w cpu :2 ram : 8g hdd : 30g nic :1 가상화 :지원 hostname : packstack.park.com ip :192.168.100.110/24 role : controller os : centos 7.3 openstack release : queen centos : minimal 설치 방화벽 설정 #systemctl disable firewalld #systemctl stop firewalld #setenforce 0 #systemctl disable NetworkManager #systemctl stop NetworkManager #systemctl enable network #systemctl s..

* 노후 장비 제거하고 새 장비에 DB를 운영할때(down time은 가져야 함) * server3의 DB를 백업 후 server 1에 migration 하고 server1과 server2를 galera로 동기화 한다. * 동기화 DB는 test_db, table은 test_table, 데이터는 50002개 #################### ##### SERVER 3 ###### ################### [root@server3 ~]# mkdir /backup [root@server3 ~]# mysqldump -u root -p --routines --single-transaction --all-databases | gzip -c > /backup/all_db_20210108_1.sql.g..