分布式存储

安装MySQL

当前支持的分布式数据库是MySQL,在使用分布式存储之前,需要先搭建MySQL服务,在Ubuntu和CentOS服务器上的配置方式如下:

Ubuntu:执行下面三条命令,安装过程中,配置 root 账户密码。

sudo apt install -y mysql-server mysql-client libmysqlclient-dev

启动 MySQL 服务并登陆: root 账户密码。

service msyql start
mysql -uroot -p

CentOS: 执行下面两条命令进行安装。

yum install mysql*
#某些版本的linux,需要安装mariadb,mariadb是mysql的一个分支
yum install mariadb*

启动 MySQL 服务,登陆并为 root 用户设置密码。

service mysqld start
#若安装了mariadb,则使用下面的命令启动
service mariadb start
mysql -uroot -p
mysql> set password for [email protected] = password('123456');

配置MySQL参数

查看配置文件my.cnf

mysql --help | grep 'Default options' -A 1

执行之后可以看到如下如下数据

Default options are read from the following files in the given order:
/etc/mysql/my.cnf /etc/my.cnf ~/.my.cnf 

配置my.cnf

mysql依次从/etc/mysql/my.cnf,/etc/my.cnf,~/.my.cnf中加载配置。依次查找这几个文件,找到第一个存在的文件,在[mysqld]段中新增如下内容(如果存在则修改值)。

max_allowed_packet = 1024M
sql_mode =STRICT_TRANS_TABLES

重启mysql-sever,验证参数。

Ubuntu:执行如下命令重启

service mysql restart

CentOS:执行如下命令重启

service mysqld start
#若安装了mariadb,则使用下面的命令启动
service mariadb start

验证参数过程

mysql -uroot -p
#执行下面命令,查看max_allowed_packet的值
MariaDB [(none)]>  show variables like 'max_allowed_packet%';
+--------------------+------------+
| Variable_name      | Value      |
+--------------------+------------+
| max_allowed_packet | 1073741824 |
+--------------------+------------+
1 row in set (0.00 sec)

#执行下面命令,查看sql_mode的值
MariaDB [(none)]>  show variables like 'sql_mode%';
+---------------+---------------------+
| Variable_name | Value               |
+---------------+---------------------+
| sql_mode      | STRICT_TRANS_TABLES |
+---------------+---------------------+
1 row in set (0.00 sec)

节点直连MySQL

FISCO BCOS在2.0.0-rc3之后,支持节点通过连接池直连MySQL,相对于代理访问MySQL方式,配置简单,不需要手动创建数据库。配置方法请参考:

逻辑架构图

多群组架构是指区块链节点支持启动多个群组,群组间交易处理、数据存储、区块共识相互隔离的。因此群组下的每一个节点对应一个数据库实例,例如,区块链网络中,有三个节点A,B,C,其中A,B属于Group1,B,C属于Group2。节点A和C分别对应1个数据库实例,B节点对应了2个数据库实例,逻辑架构图如下 ../../_images/storage1.png 如上图所示,节点B属于多个群组,不同群组下的同一个节点,对应的数据库实例是分开的,为了区分不同群组下的同一个节点,将A,B,C三个节点,分别用Group1_A(Group1下的A节点,下同),Group1_B,Group2_B,Group2_C表示。

下面以上图为例,描述搭建配置过程。

节点搭建

使用分布式存储之前,需要完成联盟链的搭建和多群组的配置,具体参考如下步骤。

准备依赖

mkdir -p ~/fisco && cd ~/fisco
# 获取build_chain.sh脚本
curl -LO https://github.com/FISCO-BCOS/FISCO-BCOS/releases/download/v2.4.0/build_chain.sh && chmod u+x build_chain.sh

生成配置文件

# 生成区块链配置文件ipconf
cat > ipconf << EOF
127.0.0.1:1 agencyA 1
127.0.0.1:1 agencyB 1,2
127.0.0.1:1 agencyC 2
EOF

# 查看配置文件
cat ipconf 
127.0.0.1:1 agencyA 1
127.0.0.1:1 agencyB 1,2
127.0.0.1:1 agencyC 2

使用build_chain搭建区块链

### 搭建区块链(请先确认30300~30302,20200~20202,8545~8547端口没有被占用)
### 这里区别是在命令后面追加了参数"-s MySQL" 以及换了端口。
bash build_chain.sh -f ipconf -p 30300,20200,8545 -s MySQL
==============================================================
Generating CA key...
==============================================================
Generating keys ...
Processing IP:127.0.0.1 Total:1 Agency:agencyA Groups:1
Processing IP:127.0.0.1 Total:1 Agency:agencyB Groups:1,2
Processing IP:127.0.0.1 Total:1 Agency:agencyC Groups:2
==============================================================
Generating configurations...
Processing IP:127.0.0.1 Total:1 Agency:agencyA Groups:1
Processing IP:127.0.0.1 Total:1 Agency:agencyB Groups:1,2
Processing IP:127.0.0.1 Total:1 Agency:agencyC Groups:2
==============================================================
Group:1 has 2 nodes
Group:2 has 2 nodes

修改节点ini文件

group.[群组].ini配置文件中,和本特性相关的是MySQL的配置信息。假设MySQL的配置信息如下:

|节点|db_ip|db_port|db_username|db_passwd|db_name|
|Group1_A|127.0.0.1|3306|root|123456|db_Group1_A|
|Group1_B|127.0.0.1|3306|root|123456|db_Group1_B|
|Group2_B|127.0.0.1|3306|root|123456|db_Group2_B|
|Group2_C|127.0.0.1|3306|root|123456|db_Group2_C|

修改node0下的group.1.ini配置

修改~/fisco/nodes/127.0.0.1/node0/conf/group.1.ini[storage]段的内容,配置如下内容。db_passwd为对应的密码。

    	db_ip=127.0.0.1
    	db_port=3306
    	db_username=root
    	db_name=db_Group1_A
    	db_passwd=

修改node1下的group.1.ini配置

修改~/fisco/nodes/127.0.0.1/node0/conf/group.1.ini[storage]段的内容,新增如下内容。db_passwd为对应的密码。

    	db_ip=127.0.0.1
    	db_port=3306
    	db_username=root
    	db_name=db_Group1_B
    	db_passwd=

修改node1下的group.2.ini配置

修改~/fisco/nodes/127.0.0.1/node1/conf/group.2.ini[storage]段的内容,新增如下内容。db_passwd为对应的密码。

    	db_ip=127.0.0.1
    	db_port=3306
    	db_username=root
    	db_name=db_Group2_B
    	db_passwd=

修改node2下的group.2.ini配置

修改~/fisco/nodes/127.0.0.1/node2/conf/group.2.ini[storage]段的内容,新增如下内容。db_passwd为对应的密码。

    	db_ip=127.0.0.1
    	db_port=3306
    	db_username=root
    	db_name=db_Group2_C
    	db_passwd=

启动节点

cd ~/fisco/nodes/127.0.0.1;sh start_all.sh

检查进程

ps -ef|grep fisco-bcos|grep -v grep
fisco   111061      1  0 16:22 pts/0    00:00:04 /data/home/fisco/nodes/127.0.0.1/node2/../fisco-bcos -c config.ini
fisco   111065      1  0 16:22 pts/0    00:00:04 /data/home/fisco/nodes/127.0.0.1/node0/../fisco-bcos -c config.ini
fisco   122910      1  1 16:22 pts/0    00:00:02 /data/home/fisco/nodes/127.0.0.1/node1/../fisco-bcos -c config.ini

启动成功,3个fisco-bcos进程。不成功的话请参考日志确认配置是否正确。

检查日志输出

执行下面指令,查看节点node0链接的节点数(其他节点类似)

tail -f nodes/127.0.0.1/node0/log/log*  | grep connected

正常情况会看到类似下面的输出,从输出可以看出node0与另外2个节点有连接。

info|2019-05-28 16:28:57.267770|[P2P][Service] heartBeat,connected count=2
info|2019-05-28 16:29:07.267935|[P2P][Service] heartBeat,connected count=2
info|2019-05-28 16:29:17.268163|[P2P][Service] heartBeat,connected count=2
info|2019-05-28 16:29:27.268284|[P2P][Service] heartBeat,connected count=2
info|2019-05-28 16:29:37.268467|[P2P][Service] heartBeat,connected count=2

执行下面指令,检查是否在共识

tail -f nodes/127.0.0.1/node0/log/log*  | grep +++

正常情况会不停输出++++Generating seal表示共识正常。

info|2019-05-28 16:26:32.454059|[g:1][CONSENSUS][SEALER]++++++++++++++++ Generating seal on,blkNum=28,tx=0,nodeIdx=3,hash=c9c859d5...
info|2019-05-28 16:26:36.473543|[g:1][CONSENSUS][SEALER]++++++++++++++++ Generating seal on,blkNum=28,tx=0,nodeIdx=3,hash=6b319fa7...
info|2019-05-28 16:26:40.498838|[g:1][CONSENSUS][SEALER]++++++++++++++++ Generating seal on,blkNum=28,tx=0,nodeIdx=3,hash=2164360f...

使用控制台发送交易

准备依赖

cd ~/fisco;
curl -LO https://github.com/FISCO-BCOS/console/releases/download/v1.0.9/download_console.sh && bash download_console.sh
cp -n console/conf/applicationContext-sample.xml console/conf/applicationContext.xml
cp nodes/127.0.0.1/sdk/* console/conf/

修改配置文件

将~/fisco/console/conf/applicationContext.xml修改为如下配置(部分信息)

<bean id="groupChannelConnectionsConfig" class="org.fisco.bcos.channel.handler.GroupChannelConnectionsConfig">
	<property name="allChannelConnections">
		<list>
			<bean id="group1"  class="org.fisco.bcos.channel.handler.ChannelConnections">
				<property name="groupId" value="1" />
					<property name="connectionsStr">
					<list>
						<value>127.0.0.1:20200</value>
					</list>
				</property>
			</bean>
		</list>
	</property>
</bean>

启用控制台

cd ~/fisco/console
sh start.sh 1
#部署TableTest合约
[group:1]> deploy TableTest
contract address:0x8c17cf316c1063ab6c89df875e96c9f0f5b2f744

查看数据库中的表情况

MySQL -uroot -p123456 -A db_Group1_A
use db_Group1_A;
show tables;
----------------------------------------------------------+
| Tables_in_db_Group1_A                                  |
+----------------------------------------------------------+
| c_8c17cf316c1063ab6c89df875e96c9f0f5b2f744 |
| c_f69a2fa2eca49820218062164837c6eecc909abd |
| _sys_block_2_nonces_                                     |
| _sys_cns_                                                |
| _sys_config_                                             |
| _sys_consensus_                                          |
| _sys_current_state_                                      |
| _sys_hash_2_block_                                       |
| _sys_number_2_hash_                                      |
| _sys_table_access_                                       |
| _sys_tables_                                             |
| _sys_tx_hash_2_block_                                    |
+----------------------------------------------------------+
12 rows in set (0.02 sec)

在控制台中调用create接口。

#创建表
call TableTest 0x8c17cf316c1063ab6c89df875e96c9f0f5b2f744 create
0xab1160f0c8db2742f8bdb41d1d76d7c4e2caf63b6fdcc1bbfc69540a38794429

查看数据库中的表情况

show tables;
+----------------------------------------------------------+
| Tables_in_db_Group1_A                                  |
+----------------------------------------------------------+
| c_8c17cf316c1063ab6c89df875e96c9f0f5b2f744 |
| c_f69a2fa2eca49820218062164837c6eecc909abd |
| _sys_block_2_nonces_                                     |
| _sys_cns_                                                |
| _sys_config_                                             |
| _sys_consensus_                                          |
| _sys_current_state_                                      |
| _sys_hash_2_block_                                       |
| _sys_number_2_hash_                                      |
| _sys_table_access_                                       |
| _sys_tables_                                             |
| _sys_tx_hash_2_block_                                    |
| u_t_test                                             |
+----------------------------------------------------------+

往表里面插入一条数据

#往表里插入数据
call TableTest 0x8c17cf316c1063ab6c89df875e96c9f0f5b2f744 insert "fruit" 100 "apple"
0x082ca6a5a292f1f7b20abeb3fb03f45e0c6f48b5a79cc65d1246bfe57be358d1

打开MySQL客户端,查询u_t_test表数据

#查看用户表中的数据
select * from u_t_test\G;
*************************** 1. row ***************************
     _id_: 31
   _hash_: 0a0ed3b2b0a227a6276114863ef3e8aa34f44e31567a5909d1da0aece31e575e
    _num_: 3
 _status_: 0
     name: fruit
  item_id: 100
item_name: apple
1 row in set (0.00 sec)

通过代理访问MySQL

本使用手册仅对节点版本2.1.0以及以后的版本有效,需要在2.0.0-rc3或者2.0.0中使用“通过代理访问MySQL”的访问方式去搭建分布式存储环境。请参考文档分布式存储搭建方法。需要在2.0.0-rc2中使用“通过代理访问MySQL”的访问方式去搭建分布式存储环境。请参考文档分布式存储搭建方法

重要

推荐使用MySQL模式。

逻辑架构图

多群组架构是指区块链节点支持启动多个群组,群组间交易处理、数据存储、区块共识相互隔离的。因此群组下的每一个节点对应一个amdb-proxy实例,例如,区块链网络中,有三个节点A,B,C,其中A,B属于群组1,B,C属于群组2。节点A和C分别对应1个数据库实例,B节点对应了2个数据库实例,逻辑架构图如下:

../../_images/logic_archite.png

如上图所示,节点B属于多个群组,不同群组下的同一个节点,对应的amdb-proxy服务和MySQL是分开的,为了区分不同群组下的同一个节点,将A,B,C三个节点,分别用Group1_A(Group1下的A节点,下同),Group1_B,Group2_B,Group2_C表示。 下面以上图为例,描述搭建配置过程。

节点搭建

配置amdb-proxy服务之前,需要完成联盟链的搭建和多群组的配置,具体参考如下步骤。

准备依赖

  • 创建文件夹
mkdir -p ~/fisco && cd ~/fisco
  • 获取build_chain脚本
curl -LO https://github.com/FISCO-BCOS/FISCO-BCOS/releases/download/v2.4.0/build_chain.sh && chmod u+x build_chain.sh

生成配置文件

# 生成区块链配置文件ipconf
cat > ipconf << EOF
127.0.0.1:1 agencyA 1
127.0.0.1:1 agencyB 1,2
127.0.0.1:1 agencyC 2
EOF

# 查看配置文件
cat ipconf 
127.0.0.1:1 agencyA 1
127.0.0.1:1 agencyB 1,2
127.0.0.1:1 agencyC 2

使用build_chain搭建区块链

### 搭建区块链(请先确认30300~30302,20200~20202,8545~8547端口没有被占用)
bash build_chain.sh -f ipconf -p 30300,20200,8545
==============================================================
Generating CA key...
==============================================================
Generating keys ...
Processing IP:127.0.0.1 Total:1 Agency:agencyA Groups:1
Processing IP:127.0.0.1 Total:1 Agency:agencyB Groups:1,2
Processing IP:127.0.0.1 Total:1 Agency:agencyC Groups:2
==============================================================
Generating configurations...
Processing IP:127.0.0.1 Total:1 Agency:agencyA Groups:1
Processing IP:127.0.0.1 Total:1 Agency:agencyB Groups:1,2
Processing IP:127.0.0.1 Total:1 Agency:agencyC Groups:2
==============================================================
Group:1 has 2 nodes
Group:2 has 2 nodes

修改节点ini文件

修改node0下的group.1.ini配置

修改~/fisco/nodes/127.0.0.1/node0/conf/group.1.ini文件中[storage]段的内容,设置为如下内容

[storage]
    	type=external
    	topic=DB_Group1_A
    	max_retry=100
修改node1下的group.1.ini配置

修改~/fisco/nodes/127.0.0.1/node1/conf/group.1.ini文件中[storage]段的内容,设置为如下内容

[storage]
    	type=external
    	topic=DB_Group1_B
    	max_retry=100
修改node1下的group.2.ini配置

修改~/fisco/nodes/127.0.0.1/node1/conf/group.2.ini文件中[storage]段的内容,设置为如下内容

[storage]
    	type=external
    	topic=DB_Group2_B
    	max_retry=100
修改node2下的group.2.ini配置

修改~/fisco/nodes/127.0.0.1/node2/conf/group.2.ini文件中[storage]段的内容,设置为如下内容

[storage]
    	type=external
    	topic=DB_Group2_C
    	max_retry=100

准备amdb代理

源码获取

cd ~/fisco; 
git clone https://github.com/FISCO-BCOS/amdb-proxy.git

源码编译

cd AMDB;gradle build

编译完成之后,会生成一个dist目录,文件结构如下:

├── apps
│   └── AMDB.jar
├── conf
│   ├── applicationContext.xml
│   ├── contracts
│   │   ├── Table.sol
│   │   ├── TableTest.sol
│   ├── doc
│   │   ├── amop.png
│   │   ├── leveldb.png
│   │   └── README.md
│   ├── log4j2.xml
│   └── mappers
│       └── data_mapper.xml
├── lib
├── log
└── start.sh

配置amdb-proxy

amdb-proxy与节点连接过程,amdb-proxy是client,节点是server,启动过程是amdb-proxy服务主动连接节点,节点只需要配置amdb-proxy关注的topic即可,关于topic的介绍请参考AMOP,amdb-proxy需要通过证书准入。

证书配置
cp ~/fisco/nodes/127.0.0.1/sdk/* ~/fisco/AMDB/dist/conf/
amdb实例拷贝
cd ~/fisco;
###dist_Group1_A是节点Group1_A对应的amdb实例
cp AMDB/dist/ dist_Group1_A -R
###dist_Group1_B是节点Group1_B对应的amdb实例
cp AMDB/dist/ dist_Group1_B -R
###dist_Group2_B是节点Group2_B对应的amdb实例
cp AMDB/dist/ dist_Group2_B -R
###dist_Group2_C是节点Group2_C对应的amdb实例
cp AMDB/dist/ dist_Group2_C -R

经过上述步骤,可以看到~/fisco目录的文件结构如下:

drwxrwxr-x 8 fisco fisco  4096 May  7 15:53 AMDB
-rwxrw-r-- 1 fisco fisco 37539 May  7 14:58 build_chain.sh
drwxrwxr-x 5 fisco fisco  4096 May  7 15:58 dist_Group1_A
drwxrwxr-x 5 fisco fisco  4096 May  7 15:58 dist_Group1_B
drwxrwxr-x 5 fisco fisco  4096 May  7 15:59 dist_Group2_B
drwxrwxr-x 5 fisco fisco  4096 May  7 15:59 dist_Group2_C
-rw-rw-r-- 1 fisco fisco    68 May  7 14:59 ipconf
drwxrwxr-x 4 fisco fisco  4096 May  7 15:08 nodes
DB创建
	MySQL -uroot -p123456
	CREATE DATABASE `bcos_Group1_A`;
	CREATE DATABASE `bcos_Group1_B`;
	CREATE DATABASE `bcos_Group2_B`;
	CREATE DATABASE `bcos_Group2_C`;

配置文件配置

这里假设MySQL的配置信息如下:

|节点|db_ip|db_port|db_username|db_passwd|db_name|
|Group1_A|127.0.0.1|3306|root|123456|bcos_Group1_A|
|Group1_B|127.0.0.1|3306|root|123456|bcos_Group1_B|
|Group2_B|127.0.0.1|3306|root|123456|bcos_Group2_B|
|Group2_C|127.0.0.1|3306|root|123456|bcos_Group2_C|

配置过程需要修改applicationContext.xml文件,需要修改的配置项包括topic配置node.topic,MySQL配置信息配置包括db.ipdb.portdb.databasedb.userdb.password

为Group1的A节点配置amdb-proxy

将~/fisco/dist_Group1_A/conf/applicationContext.xml修改为如下配置(部分信息)

<bean id="groupChannelConnectionsConfig" class="org.fisco.bcos.channel.handler.GroupChannelConnectionsConfig">
	<property name="allChannelConnections">
		<list>
			<bean id="group1"  class="org.fisco.bcos.channel.handler.ChannelConnections">
				<property name="groupId" value="1" />
					<property name="connectionsStr">
					<list>
						<value>127.0.0.1:20200</value>
					</list>
				</property>
			</bean>
		</list>
	</property>
</bean>

<bean id="DBChannelService" class="org.fisco.bcos.channel.client.Service">
		<property name="groupId" value="1" />
		<property name="orgID" value="fisco" />
		<property name="allChannelConnections" ref="groupChannelConnectionsConfig"></property>
		<property name="topics">
			<list>
				<value>DB_Group1_A</value>
			</list>
		</property>
	<property name="pushCallback" ref="DBHandler"/>
</bean>
<!-- database connection configuration -->
	<bean id="dataSource" class="org.apache.commons.dbcp2.BasicDataSource">
	<property name="driverClassName" value="com.mysql.jdbc.Driver" />
	<!-- please configure db connection here-->
	<property name="url" value="jdbc:mysql://127.0.0.1:3306/bcos_Group1_A?characterEncoding=UTF-8&amp;zeroDateTimeBehavior=convertToNull" />
	<property name="username" value="root" />
	<property name="password" value="123456" />
</bean>
为Group1的B节点配置amdb-proxy

将~/fisco/dist_Group1_B/conf/applicationContext.xml修改为如下配置(部分信息)

<bean id="groupChannelConnectionsConfig" class="org.fisco.bcos.channel.handler.GroupChannelConnectionsConfig">
	<property name="allChannelConnections">
		<list>
			<bean id="group1"  class="org.fisco.bcos.channel.handler.ChannelConnections">
				<property name="groupId" value="1" />
					<property name="connectionsStr">
					<list>
						<value>127.0.0.1:20201</value>
					</list>
				</property>
			</bean>
		</list>
	</property>
</bean>

<bean id="DBChannelService" class="org.fisco.bcos.channel.client.Service">
		<property name="groupId" value="1" />
		<property name="orgID" value="fisco" />
		<property name="allChannelConnections" ref="groupChannelConnectionsConfig"></property>
		<property name="topics">
			<list>
				<value>DB_Group1_B</value>
			</list>
		</property>
	<property name="pushCallback" ref="DBHandler"/>
</bean>

<!-- database connection configuration -->
	<bean id="dataSource" class="org.apache.commons.dbcp2.BasicDataSource">
	<property name="driverClassName" value="com.mysql.jdbc.Driver" />
	<!-- please configure db connection here-->
	<property name="url" value="jdbc:mysql://127.0.0.1:3306/bcos_Group1_B?characterEncoding=UTF-8&amp;zeroDateTimeBehavior=convertToNull" />
	<property name="username" value="root" />
	<property name="password" value="123456" />
</bean>
为Group2的B节点配置amdb-proxy

将~/fisco/dist_Group2_B/conf/applicationContext.xml修改为如下配置(部分信息)

<bean id="groupChannelConnectionsConfig" class="org.fisco.bcos.channel.handler.GroupChannelConnectionsConfig">
	<property name="allChannelConnections">
		<list>
			<bean id="group2"  class="org.fisco.bcos.channel.handler.ChannelConnections">
				<property name="groupId" value="2" />
					<property name="connectionsStr">
					<list>
						<value>127.0.0.1:20201</value>
					</list>
				</property>
			</bean>
		</list>
	</property>
</bean>

<bean id="DBChannelService" class="org.fisco.bcos.channel.client.Service">
		<property name="groupId" value="2" />
		<property name="orgID" value="fisco" />
		<property name="allChannelConnections" ref="groupChannelConnectionsConfig"></property>
		
		<!-- communication topic configuration of the node -->
		<property name="topics">
			<list>
				<value>DB_Group2_B</value>
			</list>
		</property>
		<property name="pushCallback" ref="DBHandler"/>
	</bean>
<!-- database connection configuration -->
	<bean id="dataSource" class="org.apache.commons.dbcp2.BasicDataSource">
	<property name="driverClassName" value="com.mysql.jdbc.Driver" />
	<!-- please configure db connection here-->
	<property name="url" value="jdbc:mysql://127.0.0.1:3306/bcos_Group2_B?characterEncoding=UTF-8&amp;zeroDateTimeBehavior=convertToNull" />
	<property name="username" value="root" />
	<property name="password" value="123456" />
</bean>
为Group2的C节点配置amdb-proxy

将~/fisco/dist_Group2_C/conf/applicationContext.xml修改为如下配置(部分信息)

<bean id="groupChannelConnectionsConfig" class="org.fisco.bcos.channel.handler.GroupChannelConnectionsConfig">
	<property name="allChannelConnections">
		<list>
			<bean id="group2"  class="org.fisco.bcos.channel.handler.ChannelConnections">
				<property name="groupId" value="2" />
					<property name="connectionsStr">
					<list>
						<value>127.0.0.1:20202</value>
					</list>
				</property>
			</bean>
		</list>
	</property>
</bean>

<bean id="DBChannelService" class="org.fisco.bcos.channel.client.Service">
		<property name="groupId" value="2" />
		<property name="orgID" value="fisco" />
		<property name="allChannelConnections" ref="groupChannelConnectionsConfig"></property>
		
	<!-- communication topic configuration of the node -->
	<property name="topics">
			<list>
				<value>DB_Group2_C</value>
			</list>
		</property>
	<property name="pushCallback" ref="DBHandler"/>
</bean>

<!-- database connection configuration -->
	<bean id="dataSource" class="org.apache.commons.dbcp2.BasicDataSource">
	<property name="driverClassName" value="com.mysql.jdbc.Driver" />
	<!-- please configure db connection here-->
	<property name="url" value="jdbc:mysql://jdbc:mysql://127.0.0.1:3306/bcos_Group2_C?characterEncoding=UTF-8&amp;zeroDateTimeBehavior=convertToNull" />
	<property name="username" value="root" />
	<property name="password" value="123456" />
</bean>

启动amdb-proxy

cd ~/fisco/dist_Group1_A;sh start.sh
cd ~/fisco/dist_Group1_B;sh start.sh
cd ~/fisco/dist_Group2_B;sh start.sh
cd ~/fisco/dist_Group2_C;sh start.sh

启动节点

cd ~/fisco/nodes/127.0.0.1;sh start_all.sh

检查进程

ps -ef|grep org.bcos.amdb.server.Main|grep -v grep
fisco   110734      1  1 17:25 ?        00:00:10 java -cp conf/:apps/*:lib/* org.bcos.amdb.server.Main
fisco   110778      1  1 17:25 ?        00:00:11 java -cp conf/:apps/*:lib/* org.bcos.amdb.server.Main
fisco   110803      1  1 17:25 ?        00:00:10 java -cp conf/:apps/*:lib/* org.bcos.amdb.server.Main
fisco   122676      1 16 17:38 ?        00:00:08 java -cp conf/:apps/*:lib/* org.bcos.amdb.server.Main

ps -ef|grep fisco-bcos|grep -v grep
fisco   111061      1  0 17:25 pts/0    00:00:04 /data/home/fisco/nodes/127.0.0.1/node2/../fisco-bcos -c config.ini
fisco   111065      1  0 17:25 pts/0    00:00:04 /data/home/fisco/nodes/127.0.0.1/node0/../fisco-bcos -c config.ini
fisco   122910      1  1 17:38 pts/0    00:00:02 /data/home/fisco/nodes/127.0.0.1/node1/../fisco-bcos -c config.ini

启动成功,会看到有4个java进程,3个fisco-bcos进程。不成功的话请参考日志确认配置是否正确。

检查日志输出

执行下面指令,查看节点node0链接的节点数(其他节点类似)

tail -f nodes/127.0.0.1/node0/log/log*  | grep connected

正常情况会看到类似下面的输出,从输出可以看出node0与另外2个节点有连接。

info|2019-05-07 21:47:22.849910| [P2P][Service] heartBeat connected count,size=2
info|2019-05-07 21:47:32.849970| [P2P][Service] heartBeat connected count,size=2
info|2019-05-07 21:47:42.850024| [P2P][Service] heartBeat connected count,size=2

执行下面指令,检查是否在共识

tail -f nodes/127.0.0.1/node0/log/log*  | grep +++

正常情况会不停输出++++Generating seal表示共识正常。

info|2019-05-07 21:48:54.942111| [g:1][p:65544][CONSENSUS][SEALER]++++++++++++++++ Generating seal on,blkNum=6,tx=0,nodeIdx=1,hash=355790f7...
info|2019-05-07 21:48:56.946022| [g:1][p:65544][CONSENSUS][SEALER]++++++++++++++++ Generating seal on,blkNum=6,tx=0,nodeIdx=1,hash=4ef772bb...
info|2019-05-07 21:48:58.950222| [g:1][p:65544][CONSENSUS][SEALER]++++++++++++++++ Generating seal on,blkNum=6,tx=0,nodeIdx=1,hash=48341ee5...

使用控制台发送交易

请参考“节点直连MySQL”中的使用控制台发送交易章节。