Re: Mysql database replication
I highly recommend you update the slave to the same version as the master. Mark D. Wallace wrote: I'm trying to set up a replication database and cannot get the slave to parse the log files on the master. The slave is connecting to the master as indicated in the log file. I have tried to connect directly to the master database from the mysql client on the slave and have no problem using the replication username and password. The master server is mysql-3.23.37-pc-linux-gnu-i686 The slave server is mysql mysql-3.23.51-pc-linux-gnu-i686 From the Mysql site, these two are compatible as a slave master pair. The error message from the slaves error log reads. 14:28:38 Slave: connected to master '[EMAIL PROTECTED]:3306', replication started in log 'FIRST' at position 4 020813 14:28:38 Could not parse log event entry, check the master for binlog corruption This may also be a network problem, or just a bug in the master or slave code. (WHAT IS THE NAME OF THE LOG FILE THE SLAVE IS TRYING TO READ mysql.log?) 020813 14:28:38 Error running query, slave aborted. Fix the problem, and re-start the slave thread with mysqladmin start-slave. We stopped at log 'FIRST' position 4 020813 14:28:38 Slave thread exiting, replication stopped in log 'FIRST' at position 4 WHAT is log 'FIRST' at position 4 referencing? Thanks for any help you can provide. Mark Wallace - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
Mysql database replication
I'm trying to set up a replication database and cannot get the slave to parse the log files on the master. The slave is connecting to the master as indicated in the log file. I have tried to connect directly to the master database from the mysql client on the slave and have no problem using the replication username and password. The master server is mysql-3.23.37-pc-linux-gnu-i686 The slave server is mysql mysql-3.23.51-pc-linux-gnu-i686 From the Mysql site, these two are compatible as a slave master pair. The error message from the slaves error log reads. 14:28:38 Slave: connected to master '[EMAIL PROTECTED]:3306', replication started in log 'FIRST' at position 4 020813 14:28:38 Could not parse log event entry, check the master for binlog corruption This may also be a network problem, or just a bug in the master or slave code. (WHAT IS THE NAME OF THE LOG FILE THE SLAVE IS TRYING TO READ mysql.log?) 020813 14:28:38 Error running query, slave aborted. Fix the problem, and re-start the slave thread with mysqladmin start-slave. We stopped at log 'FIRST' position 4 020813 14:28:38 Slave thread exiting, replication stopped in log 'FIRST' at position 4 WHAT is log 'FIRST' at position 4 referencing? Thanks for any help you can provide. Mark Wallace - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
MySql Database Replication Question
All, How can I notify an application running on the slave server that the slave database has just updated itself by means of replication. The reason I ask is that I know MySql currently doesn't support triggers, but my application needs to be notified when an update on the slave has just taken place. Once again, thanks for your time. Thi - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
Re: MySql Database Replication Question
On Thu, Mar 07, 2002 at 08:37:00AM -0600, Thi Cao wrote: All, How can I notify an application running on the slave server that the slave database has just updated itself by means of replication. The reason I ask is that I know MySql currently doesn't support triggers, but my application needs to be notified when an update on the slave has just taken place. Once again, thanks for your time. Hm, that's a little unusual. Could the application look at the output of SHOW SLAVE STATUS once in a while, maybe? -- Jeremy D. Zawodny, [EMAIL PROTECTED] Technical Yahoo - Yahoo Finance Desk: (408) 349-7878 Fax: (408) 349-5454 Cell: (408) 685-5936 MySQL 3.23.47-max: up 28 days, processed 988,263,631 queries (407/sec. avg) - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
RE: MySql Database Replication Question
Jeremy, I'm not sure I follow. What information from that command would the app be looking for specifically. Maybe you're saying the app should look at the position of the master's binary log file. Is that what you suggest? Thi -Original Message- From: Jeremy Zawodny [mailto:[EMAIL PROTECTED]] Sent: Thursday, March 07, 2002 10:42 AM To: Thi Cao Cc: MySQL Subject: Re: MySql Database Replication Question On Thu, Mar 07, 2002 at 08:37:00AM -0600, Thi Cao wrote: All, How can I notify an application running on the slave server that the slave database has just updated itself by means of replication. The reason I ask is that I know MySql currently doesn't support triggers, but my application needs to be notified when an update on the slave has just taken place. Once again, thanks for your time. Hm, that's a little unusual. Could the application look at the output of SHOW SLAVE STATUS once in a while, maybe? -- Jeremy D. Zawodny, [EMAIL PROTECTED] Technical Yahoo - Yahoo Finance Desk: (408) 349-7878 Fax: (408) 349-5454 Cell: (408) 685-5936 MySQL 3.23.47-max: up 28 days, processed 988,263,631 queries (407/sec. avg) - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
RE: MySQL Database Replication
On Wed, 2002-03-06 at 14:26, Thi Cao wrote: When I grant privileges as follows, the slave gets updated: GRANT FILE ON *.* to repl@'%' identified by 'some_password'; Could someone please tell me why I must grant the FILE privilege on all databases for the repl (slave) to be able to update one particular database? MySQL Manual: 4.2.7 Privileges Provided by MySQL: The file privilege gives you permission to read and write files on the server using the LOAD DATA INFILE and SELECT ... INTO OUTFILE statements. Any user to whom this privilege is granted can read or write any file that the MySQL server can read or write. 4.10.3 How To Set Up Replication 2. Set up special a replication user on the master with the FILE privilege and permission to connect from all the slaves. If the user is only doing replication (which is recommended), you don't need to grant any additional privileges. For example, to create a user named repl which can access your master from any host, you might use this command: GRANT FILE ON *.* TO repl@% IDENTIFIED BY 'password'; Thi Cao wrote: Hello everyone, This is my first attempt at MySQL database replication. Can't seem to get it to work yet. The problem reported in the error log of the slave server is as follows: Error reading packet from server: Access denied for user 'repl@slave_host' (Using password: YES) (read_errno 0,server_errno=1045) I believe it has something to do with the way I granted privileges to the user repl. I did the following: GRANT FILE ON dbname.* to repl@'%' identified by 'some_password'; Did you do a FLUSH PRIVILIGES after that? That is needed in some cases. You don't need to flush privileges when using grant/revoke commands. -- dsoares (sql) - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
RE: MySQL Database Replication
ds, If I understand you correctly, that also means that the user repl can access the mysql database where all the privilege info is stored and see the permissions, passwords, and such. Yes/No? Thi -Original Message- From: ds [mailto:[EMAIL PROTECTED]] Sent: Thursday, March 07, 2002 11:02 AM To: Thi Cao Cc: MySQL Subject: RE: MySQL Database Replication On Wed, 2002-03-06 at 14:26, Thi Cao wrote: When I grant privileges as follows, the slave gets updated: GRANT FILE ON *.* to repl@'%' identified by 'some_password'; Could someone please tell me why I must grant the FILE privilege on all databases for the repl (slave) to be able to update one particular database? MySQL Manual: 4.2.7 Privileges Provided by MySQL: The file privilege gives you permission to read and write files on the server using the LOAD DATA INFILE and SELECT ... INTO OUTFILE statements. Any user to whom this privilege is granted can read or write any file that the MySQL server can read or write. 4.10.3 How To Set Up Replication 2. Set up special a replication user on the master with the FILE privilege and permission to connect from all the slaves. If the user is only doing replication (which is recommended), you don't need to grant any additional privileges. For example, to create a user named repl which can access your master from any host, you might use this command: GRANT FILE ON *.* TO repl@% IDENTIFIED BY 'password'; Thi Cao wrote: Hello everyone, This is my first attempt at MySQL database replication. Can't seem to get it to work yet. The problem reported in the error log of the slave server is as follows: Error reading packet from server: Access denied for user 'repl@slave_host' (Using password: YES) (read_errno 0,server_errno=1045) I believe it has something to do with the way I granted privileges to the user repl. I did the following: GRANT FILE ON dbname.* to repl@'%' identified by 'some_password'; Did you do a FLUSH PRIVILIGES after that? That is needed in some cases. You don't need to flush privileges when using grant/revoke commands. -- dsoares (sql) - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
RE: MySQL Database Replication
rep1 would gain FILE access to all ( not sure what the really entails ) it would not have SELECT access, so can not read from it mind you if they have enough info to get in with rep1 access, then they could just replicate everything on thier own server and read till thier hearts content -Original Message- From: Thi Cao [mailto:[EMAIL PROTECTED]] Sent: Thursday, March 07, 2002 12:04 PM To: Thi Cao Cc: MySQL Subject: RE: MySQL Database Replication ds, If I understand you correctly, that also means that the user repl can access the mysql database where all the privilege info is stored and see the permissions, passwords, and such. Yes/No? Thi -Original Message- From: ds [mailto:[EMAIL PROTECTED]] Sent: Thursday, March 07, 2002 11:02 AM To: Thi Cao Cc: MySQL Subject: RE: MySQL Database Replication On Wed, 2002-03-06 at 14:26, Thi Cao wrote: When I grant privileges as follows, the slave gets updated: GRANT FILE ON *.* to repl@'%' identified by 'some_password'; Could someone please tell me why I must grant the FILE privilege on all databases for the repl (slave) to be able to update one particular database? MySQL Manual: 4.2.7 Privileges Provided by MySQL: The file privilege gives you permission to read and write files on the server using the LOAD DATA INFILE and SELECT ... INTO OUTFILE statements. Any user to whom this privilege is granted can read or write any file that the MySQL server can read or write. 4.10.3 How To Set Up Replication 2. Set up special a replication user on the master with the FILE privilege and permission to connect from all the slaves. If the user is only doing replication (which is recommended), you don't need to grant any additional privileges. For example, to create a user named repl which can access your master from any host, you might use this command: GRANT FILE ON *.* TO repl@% IDENTIFIED BY 'password'; Thi Cao wrote: Hello everyone, This is my first attempt at MySQL database replication. Can't seem to get it to work yet. The problem reported in the error log of the slave server is as follows: Error reading packet from server: Access denied for user 'repl@slave_host' (Using password: YES) (read_errno 0,server_errno=1045) I believe it has something to do with the way I granted privileges to the user repl. I did the following: GRANT FILE ON dbname.* to repl@'%' identified by 'some_password'; Did you do a FLUSH PRIVILIGES after that? That is needed in some cases. You don't need to flush privileges when using grant/revoke commands. -- dsoares (sql) - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
RE: MySQL Database Replication
Yes, I did flush the privileges when nothing else worked but that didn't do the trick either. Thanks for trying. -Original Message- From: James Housley [mailto:[EMAIL PROTECTED]] Sent: Tuesday, March 05, 2002 6:00 PM To: Thi Cao Cc: MySQL Subject: Re: MySQL Database Replication Thi Cao wrote: Hello everyone, This is my first attempt at MySQL database replication. Can't seem to get it to work yet. The problem reported in the error log of the slave server is as follows: Error reading packet from server: Access denied for user 'repl@slave_host' (Using password: YES) (read_errno 0,server_errno=1045) I believe it has something to do with the way I granted privileges to the user repl. I did the following: GRANT FILE ON dbname.* to repl@'%' identified by 'some_password'; Did you do a FLUSH PRIVILIGES after that? That is needed in some cases. Jim -- /\ ASCII Ribbon Campaign . \ / - NO HTML/RTF in e-mail . X - NO Word docs in e-mail . / \ - [EMAIL PROTECTED] http://www.FreeBSD.org The Power to Serve [EMAIL PROTECTED] http://www.TheHousleys.net [EMAIL PROTECTED] http://www.SimTel.Net - Studies show that 1 out of every 4 Americans suffer some form of mental illness. So look at your three best friends, if they are okay it is YOU! - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
RE: MySQL Database Replication
When I grant privileges as follows, the slave gets updated: GRANT FILE ON *.* to repl@'%' identified by 'some_password'; Could someone please tell me why I must grant the FILE privilege on all databases for the repl (slave) to be able to update one particular database? Thanks everyone. Thi -Original Message- From: James Housley [mailto:[EMAIL PROTECTED]] Sent: Tuesday, March 05, 2002 6:00 PM To: Thi Cao Cc: MySQL Subject: Re: MySQL Database Replication Thi Cao wrote: Hello everyone, This is my first attempt at MySQL database replication. Can't seem to get it to work yet. The problem reported in the error log of the slave server is as follows: Error reading packet from server: Access denied for user 'repl@slave_host' (Using password: YES) (read_errno 0,server_errno=1045) I believe it has something to do with the way I granted privileges to the user repl. I did the following: GRANT FILE ON dbname.* to repl@'%' identified by 'some_password'; Did you do a FLUSH PRIVILIGES after that? That is needed in some cases. Jim -- /\ ASCII Ribbon Campaign . \ / - NO HTML/RTF in e-mail . X - NO Word docs in e-mail . / \ - [EMAIL PROTECTED] http://www.FreeBSD.org The Power to Serve [EMAIL PROTECTED] http://www.TheHousleys.net [EMAIL PROTECTED] http://www.SimTel.Net - Studies show that 1 out of every 4 Americans suffer some form of mental illness. So look at your three best friends, if they are okay it is YOU! - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
MySQL Database Replication
Hello everyone, This is my first attempt at MySQL database replication. Can't seem to get it to work yet. The problem reported in the error log of the slave server is as follows: Error reading packet from server: Access denied for user 'repl@slave_host' (Using password: YES) (read_errno 0,server_errno=1045) I believe it has something to do with the way I granted privileges to the user repl. I did the following: GRANT FILE ON dbname.* to repl@'%' identified by 'some_password'; In the slave config file, I have the correct password to connect to the master, so I don't believe that that is the problem. Also included in the config file is replicate-do-db=dbname. If someone has any idea of what I can or should do, your help would be much appreciated. If not, thanks for your time. Thi - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
Re: MySQL Database Replication
Thi Cao wrote: Hello everyone, This is my first attempt at MySQL database replication. Can't seem to get it to work yet. The problem reported in the error log of the slave server is as follows: Error reading packet from server: Access denied for user 'repl@slave_host' (Using password: YES) (read_errno 0,server_errno=1045) I believe it has something to do with the way I granted privileges to the user repl. I did the following: GRANT FILE ON dbname.* to repl@'%' identified by 'some_password'; Did you do a FLUSH PRIVILIGES after that? That is needed in some cases. Jim -- /\ ASCII Ribbon Campaign . \ / - NO HTML/RTF in e-mail . X - NO Word docs in e-mail . / \ - [EMAIL PROTECTED] http://www.FreeBSD.org The Power to Serve [EMAIL PROTECTED] http://www.TheHousleys.net [EMAIL PROTECTED] http://www.SimTel.Net - Studies show that 1 out of every 4 Americans suffer some form of mental illness. So look at your three best friends, if they are okay it is YOU! - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
Re: MySQL Database Replication
On Sat, May 19, 2001 at 01:18:42PM -0500, David Gullett wrote: I have 10 or so MySQL servers in the field, all writing data to a database of the same name. I would like to set up replication from all masters back to a single slave server and have each master write to a different database. Is there an easy way to do this, short of running multiple instances of MySQL on the slave server? Currently, each slave can only have a single master. So you're looking at multiple slave instances. If you don't need completely real-time replication, you might consider rsync or something similar. Jeremy -- Jeremy D. Zawodny, [EMAIL PROTECTED] Technical Yahoo - Yahoo Finance Desk: (408) 349-7878Fax: (408) 349-5454Cell: (408) 439-9951 MySQL 3.23.29: up 5 days, processed 35,090,354 queries (79/sec. avg) - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
MySQL Database Replication
I have 10 or so MySQL servers in the field, all writing data to a database of the same name. I would like to set up replication from all masters back to a single slave server and have each master write to a different database. Is there an easy way to do this, short of running multiple instances of MySQL on the slave server? Thanks, David Gullett Circuits Maximus, LLC. - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
