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关于MySQL簇问题的成功解决

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我在测试MySQL cluster时出现如下问题请大家帮忙分析一下是怎么回事，我的mysql cluster布署如下，用的是mysql-cluster-gpl-6.2.

我在测试MySQL cluster时出现如下问题请大家帮忙分析一下是怎么回事，，我的mysql cluster布署如下，用的是mysql-cluster-gpl-6.2.15-linux-i686-glibc23.tar.gz tar 包
节点管理器：192.168.5.254
存储节点
192.168.5.45
192.168.5.30
sql节点
192.168.5.238
按着官方文档配置好后在节点管理器（192.168.5.254）用show命令显示结果如下：
Connected to Management Server at: localhost:1186
Cluster Configuration
---------------------
[ndbd(NDB)] 2 node(s)
id=2 @192.168.5.45 (mysql-5.1.23 ndb-6.2.15, starting, Nodegroup: 0)
id=3 @192.168.5.30 (mysql-5.1.23 ndb-6.2.15, starting, Nodegroup: 0)

[ndb_mgmd(MGM)] 1 node(s)
id=1 (mysql-5.1.23 ndb-6.2.15)

[mysqld(API)] 1 node(s)
id=4 (not connected, accepting connect from 192.168.5.23
管理节点簇日志如下：
2008-09-27 14:17:30 [MgmSrvr] ALERT -- Node 1: Node 2 Disconnected
2008-09-27 14:17:30 [MgmSrvr] INFO -- Node 2: Node shutdown completed.
2008-09-27 14:17:30 [MgmSrvr] ALERT -- Node 1: Node 3 Disconnected
2008-09-27 14:17:30 [MgmSrvr] INFO -- Node 3: Node shutdown completed.
2008-09-27 14:17:32 [MgmSrvr] INFO -- Shutting down server...
2008-09-27 14:17:40 [MgmSrvr] INFO -- Mgmt server state: nodeid 4 freed, m_reserved_nodes 0000000000000000000000000000000000000000000000000000000000000002.
2008-09-27 14:17:40 [MgmSrvr] INFO -- Shutdown complete
2008-09-27 14:20:37 [MgmSrvr] INFO -- NDB Cluster Management Server. mysql-5.1.23 ndb-6.2.15
2008-09-27 14:20:37 [MgmSrvr] INFO -- Id: 1, Command port: *:1186
2008-09-27 14:20:45 [MgmSrvr] INFO -- Mgmt server state: nodeid 2 reserved for ip 192.168.5.45, m_reserved_nodes 0000000000000000000000000000000000000000000000000000000000000006.
2008-09-27 14:20:45 [MgmSrvr] INFO -- Node 1: Node 2 Connected
2008-09-27 14:20:46 [MgmSrvr] INFO -- Mgmt server state: nodeid 2 freed, m_reserved_nodes 0000000000000000000000000000000000000000000000000000000000000002.
2008-09-27 14:20:48 [MgmSrvr] INFO -- Node 2: Initial start, waiting for 0000000000000008 to connect, nodes [ all: 000000000000000c connected: 0000000000000004 no-wait: 0000000000000000 ]
2008-09-27 14:20:51 [MgmSrvr] INFO -- Node 2: Initial start, waiting for 0000000000000008 to connect, nodes [ all: 000000000000000c connected: 0000000000000004 no-wait: 0000000000000000 ]
2008-09-27 14:20:54 [MgmSrvr] INFO -- Node 2: Initial start, waiting for 0000000000000008 to connect, nodes [ all: 000000000000000c connected: 0000000000000004 no-wait: 0000000000000000 ]
2008-09-27 14:20:57 [MgmSrvr] INFO -- Node 2: Initial start, waiting for 0000000000000008 to connect, nodes [ all: 000000000000000c connected: 0000000000000004 no-wait: 0000000000000000 ]
2008-09-27 14:21:00 [MgmSrvr] WARNING -- Allocate nodeid (0) failed. Connection from ip 192.168.5.45. Returned error string "Connection done from wrong host ip 192.168.5.45."
2008-09-27 14:21:00 [MgmSrvr] INFO -- Mgmt server state: node id's 2 connected but not reserved
2008-09-27 14:21:00 [MgmSrvr] INFO -- Node 2: Initial start, waiting for 0000000000000008 to connect, nodes [ all: 000000000000000c connected: 0000000000000004 no-wait: 0000000000000000 ]
2008-09-27 14:21:03 [MgmSrvr] INFO -- Node 2: Initial start, waiting for 0000000000000008 to connect, nodes [ all: 000000000000000c connected: 0000000000000004 no-wait: 0000000000000000 ]
2008-09-27 14:21:06 [MgmSrvr] INFO -- Node 2: Initial start, waiting for 0000000000000008 to connect, nodes [ all: 000000000000000c connected: 0000000000000004 no-wait: 0000000000000000 ]
2008-09-27 14:21:09 [MgmSrvr] INFO -- Node 2: Initial start, waiting for 0000000000000008 to connect, nodes [ all: 000000000000000c connected: 0000000000000004 no-wait: 0000000000000000 ]
2008-09-27 14:21:12 [MgmSrvr] INFO -- Node 2: Initial start, waiting for 0000000000000008 to connect, nodes [ all: 000000000000000c connected: 0000000000000004 no-wait: 0000000000000000 ]
2008-09-27 14:21:15 [MgmSrvr] INFO -- Node 2: Initial start, waiting for 0000000000000008 to connect, nodes [ all: 000000000000000c connected: 0000000000000004 no-wait: 0000000000000000 ]
2008-09-27 14:21:18 [MgmSrvr] INFO -- Node 2: Initial start, waiting for 0000000000000008 to connect, nodes [ all: 000000000000000c connected: 0000000000000004 no-wait: 0000000000000000 ]
2008-09-27 14:21:21 [MgmSrvr] INFO -- Node 2: Initial start, waiting for 0000000000000008 to connect, nodes [ all: 000000000000000c connected: 0000000000000004 no-wait: 0000000000000000 ]
2008-09-27 14:21:24 [MgmSrvr] INFO -- Node 2: Initial start, waiting for 0000000000000008 to connect, nodes [ all: 000000000000000c connected: 0000000000000004 no-wait: 0000000000000000 ]
2008-09-27 14:21:27 [MgmSrvr] INFO -- Node 2: Initial start, waiting for 0000000000000008 to connect, nodes [ all: 000000000000000c connected: 0000000000000004 no-wait: 0000000000000000 ]
2008-09-27 14:21:30 [MgmSrvr] INFO -- Node 2: Initial start, waiting for 0000000000000008 to connect, nodes [ all: 000000000000000c connected: 0000000000000004 no-wait: 0000000000000000 ]
2008-09-27 14:21:31 [MgmSrvr] ALERT -- Node 1: Node 2 Disconnected
2008-09-27 14:21:31 [MgmSrvr] INFO -- Node 2: Node shutdown completed.
2008-09-27 14:21:33 [MgmSrvr] INFO -- Shutting down server...
2008-09-27 14:21:37 [MgmSrvr] INFO -- Shutdown complete
2008-09-27 14:33:52 [MgmSrvr] INFO -- NDB Cluster Management Server. mysql-5.1.23 ndb-6.2.15
2008-09-27 14:33:52 [MgmSrvr] INFO -- Id: 1, Command port: *:1186
2008-09-27 14:34:53 [MgmSrvr] INFO -- Mgmt server state: nodeid 2 reserved for ip 192.168.5.45, m_reserved_nodes 0000000000000000000000000000000000000000000000000000000000000006.
2008-09-27 14:34:53 [MgmSrvr] INFO -- Node 1: Node 2 Connected
2008-09-27 14:34:54 [MgmSrvr] INFO -- Mgmt server state: nodeid 2 freed, m_reserved_nodes 0000000000000000000000000000000000000000000000000000000000000002.
2008-09-27 14:34:56 [MgmSrvr] INFO -- Node 2: Initial start, waiting for 0000000000000008 to connect, nodes [ all: 000000000000000c connected: 0000000000000004 no-wait: 0000000000000000 ]
2008-09-27 14:34:58 [MgmSrvr] INFO -- Mgmt server state: nodeid 3 reserved for ip 192.168.5.30, m_reserved_nodes 000000000000000000000000000000000000000000000000000000000000000a.
2008-09-27 14:34:59 [MgmSrvr] INFO -- Node 1: Node 3 Connected
2008-09-27 14:34:59 [MgmSrvr] INFO -- Node 2: Initial start, waiting for 0000000000000008 to connect, nodes [ all: 000000000000000c connected: 0000000000000004 no-wait: 0000000000000000 ]
2008-09-27 14:34:59 [MgmSrvr] INFO -- Mgmt server state: nodeid 3 freed, m_reserved_nodes 0000000000000000000000000000000000000000000000000000000000000002.
2008-09-27 14:35:02 [MgmSrvr] INFO -- Node 3: Initial start, waiting for 0000000000000004 to connect, nodes [ all: 000000000000000c connected: 0000000000000008 no-wait: 0000000000000000 ]
2008-09-27 14:35:02 [MgmSrvr] INFO -- Node 2: Initial start, waiting for 0000000000000008 to connect, nodes [ all: 000000000000000c connected: 0000000000000004 no-wait: 0000000000000000 ]
2008-09-27 14:35:05 [MgmSrvr] INFO -- Node 3: Initial start, waiting for 0000000000000004 to connect, nodes [ all: 000000000000000c connected: 0000000000000008 no-wait: 0000000000000000 ]
2008-09-27 14:35:05 [MgmSrvr] INFO -- Node 2: Initial start, waiting for 0000000000000008 to connect, nodes [ all: 000000000000000c connected: 0000000000000004 no-wait: 0000000000000000 ]
2008-09-27 14:35:08 [MgmSrvr] INFO -- Node 3: Initial start, waiting for 0000000000000004 to connect, nodes [ all: 000000000000000c connected: 0000000000000008 no-wait: 0000000000000000 ]
2008-09-27 14:35:08 [MgmSrvr] INFO -- Node 2: Initial start, waiting for 0000000000000008 to connect, nodes [ all: 000000000000000c connected: 0000000000000004 no-wait: 0000000000000000 ]
2008-09-27 14:35:11 [MgmSrvr] INFO -- Node 3: Initial start, waiting for 0000000000000004 to connect, nodes [ all: 000000000000000c connected: 0000000000000008 no-wait: 0000000000000000 ]
2008-09-27 14:35:11 [MgmSrvr] INFO -- Node 2: Initial start, waiting for 0000000000000008 to connect, nodes [ all: 000000000000000c connected: 0000000000000004 no-wait: 0000000000000000 ]
2008-09-27 14:35:14 [MgmSrvr] INFO -- Node 3: Initial start, waiting for 0000000000000004 to connect, nodes [ all: 000000000000000c connected: 0000000000000008 no-wait: 0000000000000000 ]
2008-09-27 14:35:14 [MgmSrvr] INFO -- Node 2: Initial start, waiting for 0000000000000008 to connect, nodes [ all: 000000000000000c connected: 0000000000000004 no-wait: 0000000000000000 ]
2008-09-27 14:35:17 [MgmSrvr] INFO -- Node 3: Initial start, waiting for 0000000000000004 to connect, nodes [ all: 000000000000000c connected: 0000000000000008 no-wait: 0000000000000000 ]
2008-09-27 14:35:17 [MgmSrvr] INFO -- Node 2: Initial start, waiting for 0000000000000008 to connect, nodes [ all: 000000000000000c connected: 0000000000000004 no-wait: 0000000000000000 ]
2008-09-27 14:35:20 [MgmSrvr] INFO -- Node 3: Initial start, waiting for 0000000000000004 to connect, nodes [ all: 000000000000000c connected: 0000000000000008 no-wait: 0000000000000000 ]
2008-09-27 14:35:20 [MgmSrvr] INFO -- Node 2: Initial start, waiting for 0000000000000008 to connect, nodes [ all: 000000000000000c connected: 0000000000000004 no-wait: 0000000000000000 ]
[root@host254 mysql-cluster]# cat ndb_1_cluster.log |tail
2008-09-27 14:36:02 [MgmSrvr] INFO -- Node 3: Initial start, waiting for 0000000000000004 to connect, nodes [ all: 000000000000000c connected: 0000000000000008 no-wait: 0000000000000000 ]
2008-09-27 14:36:02 [MgmSrvr] INFO -- Node 2: Initial start, waiting for 0000000000000008 to connect, nodes [ all: 000000000000000c connected: 0000000000000004 no-wait: 0000000000000000 ]
2008-09-27 14:36:02 [MgmSrvr] WARNING -- Allocate nodeid (0) failed. Connection from ip 192.168.5.45. Returned error string "Connection done from wrong host ip 192.168.5.45."
2008-09-27 14:36:02 [MgmSrvr] INFO -- Mgmt server state: node id's 2 3 connected but not reserved
2008-09-27 14:36:05 [MgmSrvr] INFO -- Node 3: Initial start, waiting for 0000000000000004 to connect, nodes [ all: 000000000000000c connected: 0000000000000008 no-wait: 0000000000000000 ]
2008-09-27 14:36:05 [MgmSrvr] INFO -- Node 2: Initial start, waiting for 0000000000000008 to connect, nodes [ all: 000000000000000c connected: 0000000000000004 no-wait: 0000000000000000 ]
2008-09-27 14:36:08 [MgmSrvr] INFO -- Node 3: Initial start, waiting for 0000000000000004 to connect, nodes [ all: 000000000000000c connected: 0000000000000008 no-wait: 0000000000000000 ]
2008-09-27 14:36:08 [MgmSrvr] INFO -- Node 2: Initial start, waiting for 0000000000000008 to connect, nodes [ all: 000000000000000c connected: 0000000000000004 no-wait: 0000000000000000 ]
2008-09-27 14:36:11 [MgmSrvr] INFO -- Node 3: Initial start, waiting for 0000000000000004 to connect, nodes [ all: 000000000000000c connected: 0000000000000008 no-wait: 0000000000000000 ]
2008-09-27 14:36:11 [MgmSrvr] INFO -- Node 2: Initial start, waiting for 0000000000000008 to connect, nodes [ all: 000000000000000c connected: 0000000000000004 no-wait: 0000000000000000 ]

存储节点的错误日志如下所示：
Configuration error: Error : Could not alloc node id at 192.168.5.254 port 1186: Connection done from wrong host ip 192.168.5.45.
080927 14:35:15 [ERROR] Plugin 'ndbcluster' init function returned error.
080927 14:35:15 [ERROR] Plugin 'ndbcluster' registration as a STORAGE ENGINE failed.
080927 14:35:15 [Note] Event Scheduler: Loaded 0 events
080927 14:35:15 [Note] /usr/local/mysql/bin/mysqld: ready for connections.
Version: '5.1.23-ndb-6.2.15-cluster-gpl' socket: '/tmp/mysql.sock' port: 3306 MySQL Cluster Server (GPL)

在sql节点创建测试表表时出现ndb引擎没有准备好的错误提示：
mysql> use ctest;
Database changed
mysql> create table ctest(name varchar(50)) engine=ndbcluster;
ERROR 1005 (HY000): Can't create table 'ctest.ctest' (errno: 157)
管理节点配置文件内容如下config.ini：
#options affecting ndbd processes on all data nodes:

[NDBD DEFAULT]

NoOfReplicas=2 # Number of replicas

DataMemory=180M # How much memory to allocate for data storage

IndexMemory=80M # How much memory to allocate for index storage

# For DataMemory and IndexMemory, we have used the

# default values. Since the "world" database takes up

# only about 500KB, this should be more than enough for

# this example Cluster setup.

# TCP/IP options:

[TCP DEFAULT]

portnumber=2202
# This the default; however, you can use any
# port that is free for all the hosts in cluster
# Note: It is recommended beginning with MySQL 5.0 that
# you do not specify the portnumber at all and simply allow
# the default value to be used instead

# Management process options:

[NDB_MGMD]
id=1
hostname=192.168.5.254 # Hostname or IP address of MGM node

datadir=/var/lib/mysql-cluster # Directory for MGM node logfiles

# Options for data node "A":

[NDBD]

# (one [NDBD] section per data node)
id=2
hostname=192.168.5.45 # Hostname or IP address

datadir=/usr/local/mysql/data # Directory for this data node's datafiles

# Options for data node "B":

[NDBD]
id=3
hostname=192.168.5.30 # Hostname or IP address

datadir=/usr/local/mysql/data # Directory for this data node's datafiles

# SQL node options:

[MYSQLD]
id=4
hostname=192.168.5.238
# Hostname or IP address
# (additional mysqld connections can be
# specified for this node for various
# purposes such as running ndb_restore)

存储节点与sql节点配置文件如下：
[MYSQLD]
ndbcluster
ndb-connectstring=192.168.5.254
[MYSQL_CLUSTER]
ndb-connectstring=192.168.5.254
从节点服务器或存储服务器上nmap管理服务器时看不到1186端口，但telnet 192.168.5.254可以连上，不过在输入get version与get status时没有任何反应（这是我在国外一贴子上看到的）。

最终确定为192.168.5.45上防火墙引起的故障，无法与服务器1186端口通话。

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phpmyadmin上传到网站目录后提示解决phpmyadmin mysqli_real_connect(): (HY000/2002): No such file or directory的错误，解决方法把phpmyadmin目录中的配置文件config.sample.inc.php改成config.inc.php 打开编辑config.inc.php 找到： $cfg[‘Servers‘][$i][‘host‘] = ‘localhost‘; 改成： $cfg[‘Servers‘][$i][‘host‘] = ‘127.0.0.1‘; 再次刷新页面就不会出现mysqli_real_connect(): (HY000/2002): No such file or...

MYSQL安装时解决要输入current root password的解决方法

终归结出以下解决方法： 1.清除MYSQL的安装目录,默认是C:\Program Files 2.清除MYSQL数据存放目录，一般在C:\Documents and Settings\All Users.windows\Application Data目录下（需要注意的时Application Data这个文件夹默认是隐藏的，要通过工具->文件夹选项->查看->显示所有文件与文件夹来设置隐藏文件可见）。删除MySQL文件夹 3.这步很重要，之前不管我怎么卸载MYSQL清空残余文件都还是要输入原始密码，后来试试找了下注册...

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