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Replication Slave Error


030710 22:36:43 Slave: connected to master 'repl@217.58.xxx.yyy:3306',
replication started in log 'webserver-bin.054' at position 73
030710 22:38:53 Error reading packet from server: (server_errno=0)
030710 22:38:53 Slave thread killed while reading event
030710 22:38:53 Slave thread exiting, replication stopped in log 'webserver-bin.054' at position 1120
030710 22:38:58 Slave: connected to master 'repl@217.58.xxx.yyy:3306',
replication started in log 'webserver-bin.054' at position 1120
I've tried to do also
Reset master
On the master before lock tables without result.




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Replication, Slave Thread: Error Connecting To Master: Access Denied For User:
I have MySQL 3.23.41 on a RH-7.2 Linux used as local server. I'm trying to replicate the databases from server (192.168.0.1) to another linux PC (192.168.0.3).

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[mysqld]
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MySQL Code:

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Replication :: Error Connecting To Master
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071017 10:20:35 [Note] Slave SQL thread initialized, starting replication in log 'binary-log.000006' at position 3031, relay log './web1-relay-bin.000003' position: 98
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Master my.cnf:
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock

old_passwords=1

log-bin=/var/db/repl/binary-log

binlog-do-db=mydatabase
binlog-ignore-db=abunchofotherdatabases

server-id=1

[mysql.server]
user=mysql
#basedir=/var/lib

[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid

Slave My.cnf:
[mysqld]...........................

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MySQL Slave
We are having problems where at least once a day our MySQL slave server gets about 1700 seconds behind the master.Any ideas what is causing this? I looked in .err logs and it says nothing.A simple stop/start brings it back to to 0.

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Reconnect Slave
Is it possible to re-connect the slave db to a master after it has been out of sync for 2 days?I can't seem to figure it out and it is a pain to have to redump all the data and re-import all the data as I have over 20 different databases.

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Slave Servers
i have do replication with 1 master server to 3 slave servers.
And i want to grant the 3 slave servers only select option for all user;

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MySQL Master/Slave
In the case of 2 3.23.X series mysql databases in a master/slave
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does the master merrily carry on not caring in the least that the
slave tables are locked?

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Master/Slave Restoration
I have 2 servers (A and B) setup as Master and Slave respectively. Upon A's failure, all client's request will be directed to B.

How can I set A to become master again after its been restored from its failure? In chapter 4.10 of mysql docs, it mentioned (vaguely) that A will become B's slave to sync all operations that had happened after the failure. Finally, upon full sync switch A to become Master again and B to slave.

How can I setup A to be a slave of B? The problem I faced is that I can't find out what the bin log and position is from B since "show master status" is always empty. I guess B still thinks its a slave.

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i need to make a slave database "READ" only.ie, it must not not respond to data manipulation commands. i want only "select * from table_name" command to work on the tables in the replicated db on the slave. How must i go about it?

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I have two MySQL servers using master/master replication.

I have a third MySQL server at a remote location and I would like to replicate to it in a master/slave configuration.

I've tried uninstalling MySQL, removing it's data directory, reinstalling, importing a dump and setting the master's info.

Once I do this, changes do not actually seem to be replicating to the standalone master. In fact, somehow the slave's position has gotten ahead of the master.

I've setup replication a half dozen times in my past, what am I doing wrong?

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Different Errors On Master And Slave.
Replication stopped on slave servers when I executed the below query, and this query failed on master.

mysql> UPDATE members set col1 = 1000, col2 = 10 where type = 2;
ERROR 1030 (HY000): Got error 127 from storage engine
Here is the error message on when I do SHOW SLAVE STATUSG

Last_Errno: 0
Last_Error: Query caused different errors on master and slave. Error on master:
'Got error %d from storage engine' (1030), Error on slave: 'no error' (0). Default
database: 'subscribers'. Query: 'UPDATE members set col1 = 1000, col2 = 10 where type = 2'
members table contains 1485112 rows.

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Data Is Not Replicating To Slave
Data is not being replicated to one of my slave servers. The slave server has slave_skip_errors=off in my.cnf. Other servers are replicating data properly.

On SHOW SLAVE STATUS it does not show any error and

Quote:

Seconds_Behind_Master: 0

After posting in the forum, I was continuously looking at SHOW SLAVE STATUS output. Once I noticed the following (bold letters)

Quote:

Slave_IO_State: Reconnecting after a failed master event read
Master_Host: 192.168.0.61
Master_User: user
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysql-bin.000343
Read_Master_Log_Pos: 83728304
Relay_Log_File: bg5-relay-bin.000058
Relay_Log_Pos: 1336401
Relay_Master_Log_File: mysql-bin.000343
Slave_IO_Running: No
Slave_SQL_Running: Yes
Replicate_Do_DB: database_name
Replicate_Ignore_DB:
Replicate_Do_Table:
Replicate_Ignore_Table:
Replicate_Wild_Do_Table:
Replicate_Wild_Ignore_Table:
Last_Errno: 0
Last_Error:
Skip_Counter: 0
Exec_Master_Log_Pos: 83728304
Relay_Log_Space: 1336401
Until_Condition: None
Until_Log_File:
Until_Log_Pos: 0
Master_SSL_Allowed: No
Master_SSL_CA_File:
Master_SSL_CA_Path:
Master_SSL_Cert:
Master_SSL_Cipher:
Master_SSL_Key:
Seconds_Behind_Master: NULL

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Masters Replicating To A Single Slave
I have two big databases in two different servers, each database
it's different too and I need to replicate each one to a single
mysql slave server.

I need this:

MasterA ---> SlaveC <-- MasterB

So, I need dbA and dbB replicated on the slave server C.

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Slave-load-tmpdir Option
I have just installed mysql server 5.0. However, when I was trying to start the server by invoking mysqld, it complained that a directory/file is not found.

I then viewed the variable names and found that the slave-load-tmpdir variable was pointing to a non-existing path. I have tried

mysqld --slave-load-tmpdir=<my new path> --standalone

but whenever I restart the mysqld, the variable is still defaulted to that old path....what should I do to change the default setting for this variable?

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Procedures To Promote Slave To Master Server
What is the proper procedure for promoting a Slave into a Master
replication server?

We want to do some fail-over testing. When we tried this in the past, the
former master would not replicate. We got an error: "master and slave
have equal MySQL server ids".

The fail-over procedure includes renaming the slave and exchanging IP
addresses with the master server. We did not change the server-ids.

I haven't found any information on promoting slaves to master servers.

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LOAD DATA INFILE :: Master & Slave
After recently replicating using the stop databases and copy innodb and mysql files method, things were fine...Until the slave thread stopped complaining about duplicate rows after one of our developers did a LOAD DATA INFILE operation on the master.

Unfortunately the insert's are into a table using AUTO_INCREMENT as well and this may be compounding the problem.I have read the docs, but it's sort of unclear, does LOAD DATA INFILE work in a replicated 3.23.56-1 setup, only under certain circumstances, or not at all?

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Forwarding Insert/Updates From Slave To Master
Is there a way within MySQL to forward all Inserts/Update requests from the
Slave to the Master, or much I rearchitect my application to carry two
connection; one connection to the Master for updates and the other
connection to the slave for Selects?

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Drive Failed Now Mounted As Slave How To Recover Db's?
I had a server lose a drive. This customer didnt back his database. I mounted old failing drive as a slave and can see .frm .MYI & .MYD But if I copy them to /var/lib/mysql/db_name it says .frm doesnt exist? How do I fix this?

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LOAD DATA :: Master & Slave Server
I was doing replication using MYISAM table types. When I set up my database server on the Slave, I used to LOAD DATA FROM MASTER to get the first snapshot of my running master. This worked great.

Now we moved to using InnoDB table types to get rollback/commit features and also to enforce Foreign key checks. I read that current version of InnoDB does not support LOAD DATA FROM MASTER command.

I would like to be able to setup my slave without taking down the server. Is there a way to do so without buying the InnoDBHotBackup.

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MyISAM On Master And InnoDB On Slave Server
Is this possible to have a MyISAM table on master server and change its storage engine (to InnoDB) on slave server in a replication environment?

If this is possible, what should I consider before changing MyISAM to InnoDB on slave server?

Here is the table structure:

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Our master database ran out of connections and we had to restart the
server (couldn't SSH into the box). Rebooting the server worked and
of our clients resumed activity.

The problem is that the slave didn't start automatically so I tried to
do a START SLAVE; on it.

This is the latest shown in the error log on the slave.


040110 20:06:13 Error reading packet from server: binlog truncated in
the middle of event (server_errno=1236)
040110 20:06:13 Got fatal error 1236: 'binlog truncated in the middle
of event' from master when reading data from binary log
040110 20:06:13 Slave I/O thread exiting, read up to log
'user1_master.002', position 802078191

(THIS IS AFTER I DID A SLAVE_START TODAY 1/20)

040120 8:56:39 Slave I/O thread: connected to master
'slave@db1.ezboard.com:5000', replication started in log
'db1_master.002' at position 802078191
040120 8:56:39 Slave: there is an unfinished transaction in the
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0
040120 8:56:39 Error running query, slave SQL thread aborted. Fix
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Command SHOW SLAVE STATUS G, Shows That SLAVE_IO_RUNNING
I am trying to set up a master/slave replication.. I followed the instructions in the mysql manual.. I am using mysql 4.0.12 installed in windows xp... I have found out that the replication is not working ...

when i make the command SHOW SLAVE STATUS G, it shows that SLAVE_IO_RUNNING : No.
How can I make this run? What could have I done wrong?

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Mysql Master/Slave Read Write To Database Question
If I setup my database as master/slave and user enters data into the html form. This data is written to the master database. After html form submission user is directed to view.html to view the submitted data. The view.html page does the read from the slave. Would it be safe to assume that the data that user submitted would be written to master and immediately displayed in the view.html by reading slave data base?

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What Privileges Need A User To Run "SHOW SLAVE STATUS" ?
i use mysql 4.1.22
i need to create an user who must have rights to run only "SHOW SLAVE STATUS" query.
from online documentation i wasn't able to find what privilege i must grant to this user to be able to do only this query.

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Replication Using Ssl
I have replication all set to go between an ubuntu Master and a FreeBSD
Slave. However, no matter what I try I can't get telnetd to run on the
master and the slave is not connecting (I am assuming it's using
telnet). Can someone point me to a dumbed-down recipe on altering my
existing my.cnf files to use SSL for the replication connection to the
Master? Currently I can SSH into either machine, and from one to the
other, without problems.
The error is this:
codd# mysql -u <a user with 'replication slave' rights> -p -h <Master
hostname>
Enter password:
ERROR 2003 (HY000): Can't connect to MySQL server on '<Master
hostname>' (61)

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Replication Lag
i have mysql 4.1.14 running in a master slave setup.. in a local
network..

The problem i am having, that the replication status on slave show
random bursts of lag.. like , in two consecutive runs of SHOW SLAVE
STATUS, i get Seconds_Behind_Master: 28984, and Seconds_Behind_Master:

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Replication
I have connect my web server (master) to my local server (slave) through dial-up and replicate 2 databases.

a) Is there a log file describing the replications that happend (if any)?

b) how do I know when to stop the dial-up so not to stop any data transfer through repliication?

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