Server :: MySQL 5.1 Not Replicating Properly With Slave
Jul 31, 2010
I recently set up replication on a production server and some rows are not making it to the tables on the slave. After 3 days I can see 200+ entries (of 161,000~) that are on the master and not the slave. Logs under /var/log including mysqld.log, mysql.status, messages do not show any problem.I have already tried dropping the DB on the slave and setting up the replication again by doing a stop slave, set slave options such as were in the logging to start, drop table, restore the dump previously made by the master, start slave, but the issue persists.
I following the documentation on the MySQL site for setting up replication so I'm not sure why this is having issues.What can I do to investigate and fix this?
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Jan 27, 2010
I have set up a master BIND DNS server with 2 slaves. All the services start up fine on all 3 servers, but zones and named.conf info is not being replicated. The 3 servers are tentatively installed on a Xen virtual server for testing purposes. All 3 servers are 64bit and installed with: -> CentOS release 5.4 (Final) - 2.6.18-164.10.1.el5xen -> BIND 9.3.6-P1-RedHat-9.3.6-4.P1.el5_4.2
All 3 servers are fully updated. All 3 servers have static IP addresses. The services on all 3 servers start up without any apparent issues. Master server: # /etc/init.d/named restart ; tail -f /var/log/messages
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Aug 12, 2010
I started over combining the first parts of this guide: [URL]..ubuntu8.04 (Only the first few parts in terms of configuration and naming). Then I used this guide: [URL]..Surprisingly enough all steps worked.
1. Now I need to set up LAMP servers with MySQL master/slave replication and Apache rsync.
2. Next i need to add BIND to both my Load Balancers with master/slave backup and replication...
Are there any guides to look at to follow on these? Can tou point me to the right direction for BIND with replication.
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Jun 30, 2011
I'm rather new to linux and I am trying to set up two linux servers to do MySQL replication. I believe to do this you need to have a file called my.cnf in /etc/ but this file isn't there I have tried un-installing and installing MySQL many times but this file still doesn't appear.
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Jun 7, 2011
I think this goes here, but I'm not sure. I decided that XAMPP had been troublesome enough. MySQL never worked. So I decided to instal the LAMP stack offered by YaST. I went about installing it thinking that it would all work. But it seems that I was wrong. So I try to start mysql, and here's what I get:
Code:
the-matrix:~ # mysql start
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/mysql/mysql.sock' (2) or
Code:
the-matrix:~ # rcmysql start
Starting service MySQL warning: /var/mysql/mysql.sock didn't appear within 30 seconds
chmod: cannot access `/var/run/mysql/mysqld.pid': No such file or directory
[Code]...
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Jun 2, 2010
i am using liferay5.2(mysql included in the download pack) on fedora. while liferay is working fine but i cannot connect to mysql.i am getting the error
[
[root@localhost ~]# ln -s /var/lib/mysql/mysql.sock /tmp
[root@localhost ~]# /etc/init.d/mysqld start
Timeout error occurred trying to start MySQL Daemon.
[code]....
i didnt find the mysql.sock file in the location /var/lib/mysql/mysql.sock. i cannot find the portal-ext.properties file also to make intial settings.
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Jul 5, 2010
I don't know how configure or how explain what i want to do .... i have one server with dhcpd and dns name cache (also squid as a transparent proxy and iptables), this works fine but logs show this code...
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Mar 17, 2011
I have set up a nis slave server on Fedora 14. It was set up on a laptop so that the user can log in when he is at home (no NFS, local home dir). However, whenever the eth0 is disconnected, ypbind fails.
I have tried the same setup on a RHEL 4 (configured it as a slave server) against the same master nis as on the Fedora 14. Disabling eth0 on it however does not fail ypbind.
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Apr 21, 2011
how can i teste that my slave dns work better;knowing that my primary dns is in an other machine .i tried to dig the slave ;i have the response but when i halt my primary dns ,i couldn't dig the slave dns.
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Apr 11, 2011
I am studying RHEL myself, not clear with following topics How to configure DNS slave server in RHEL 5 Whether named.rfc1912.zones file entry can be included in named.conf itslef,if not What is following entry means inside named.conf file
zone "." in{
type hint;
file "root.servers";
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Nov 29, 2010
I configured a master DNS server 192.168.2.10 working OK. After that I configure a DNS Slave Server (92.168.2.11)the initial replication worked fine. This is test environment for my certification. I see how the zones from my master are transferred
zones in Master
training.com.db
transferred zone to my slave when I started named service
sec.training.com.db
That's Ok but I added some IPs to resolve to my master zone
webserver IN A 192.168.2.30
fileserver IN A 192.168.2.31
I restart/reload named on master and after that I go to slave and restart/reload but zones wuth the new values are not replicated. How long does it take for slave to take the changes from master? how is the procedure manual or automatic? I see If I go to slave and delete sec.training.com and restart named the zone with the changes is transferred but that is very manual... I am including my DNS Configuration so you can take a look.
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Apr 12, 2011
I have bind configured with Internal and External views, but the slave server is transferring only the Internal zone files for both Internal and External - a diff shows no difference, and the log shows the same serial number.What am I missing in the config so the slave server properly receives updates from the master for both views?
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Apr 19, 2010
OS :: Debian Lennyldap :: Openldap (newest one/get from apt-get)replication :: yes (on different machine)secure :: yes (tls)hi there i got problem on slave ldapwhat i am trying to do now is to have machine authenticate at slave ldapwhen master ldap die. So i stop slapd service at master ldap and try to authen. As a result of it, the prompt for login appears to fill in username but with the correct password couldn't make login successfully. I have checked at log file but there is any authen log of that login I wonder if it doesn't direct authen to slave ldap server. Here is my client config ::
#
# LDAP Defaults
#
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Apr 12, 2010
I have a secondary slave dns server setup, it has transferred all the records from the primary master.But when I run a few checks from outside using tools on the net it says:Tried to fetch SOA record for domain, but DNS server ns2.domain.com returned error code Refused.I disabled iptables, and tried again, same result. So I think it is something in the named.conf file? I appreciate any extra set of eyes on it. Just feel like I'm so close!
key "rndckey" {
algorithm hmac-md5;
secret "mysecretkey";
[code]....
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Dec 9, 2010
I have an mysql innodb ~ 20gigs. Normally shutting down mysql (service mysql stop) takes a few seconds. When I reboot Ubuntu with the reboot or shutdown command it just reboots it super fast without mysql logging (/usr/sbin/mysqld: Shutdown complete) Also during this shutdown the following is failed: umount2: device or resource busy /data: device is busy.
mysql is setup to read from /data . Why is ubuntu not waiting for mysql to properly shutdown before unmounting the filesystem and rebooting?
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Jul 30, 2011
How would I edit the files, for this under slackware with permissions for my other users to use it? I have been following the guide, and I have not gotten far. I have created the recommend mythtv user and have mythtv installed. Also should I switch to 64bit slackware for this project? I have 1 gig of ddr2 ram, 64 bit capable pentium 4 ht cpu clocked at 3Ghz, 80gigabyte internal hard drive, and I have a wintv card.
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Jan 25, 2011
I have a large environment with many VLANs and NIS slaves serving the VLANs. Previously we have not used a securenets file (don't worry; we don't use NIS for passwords, just NFS maps), but I'd like to start. The number of NIS slaves makes it annoying to update a securenets file on each when we add a new VLAN. Is there a way to propagate the securenets file to each slave when I update it on the master?If not, I guess I can live with propagating the file once and only visiting new slaves when I build them, because in 99% of cases a NIS slave only serves its own subnet.
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Feb 19, 2011
I have configured master and slave Bind servers. Everything works fine. But whenever I add a new zone entry at master server it is not getting updated at slave server in logs I see this error:
client 192.168.1.1#43428: view external: received notify for zone 'yourdomainname.com': not authoritative
At master server I do not see any error or warning message. This error clearly indicates that named.conf file does not have zone entry in it or domain name is wrong. While checking the named.conf file I see that the zone entry has not been updated at slave server. If I update it manually and reload named on slave then zone files (db files) are getting created without any issue and any modification at master server for the zone records are also getting updated. My concern is why zone record is not getting appended at slave server in named.conf file.
Is there anything I am missing in the configuration. I am pasting the steps which I have followed to configure my master and slave server:
Configure Bind as master and slave server
Install Bind on your server
yum install bind
OR
sudu apt-get install bind9
Generate RNDC Key using the command
rndc-confgen -a -k rndc-key
it will stored in /etc/rndc-key file
Master Server IP 192.168.0.1
Slave Server IP 192.168.1.1
Master Server Configuration
options .....
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May 28, 2010
I am trying to setup Rocks Cluster on a Cluster containing 1 Master node and 23 slave nodes connected via a Switch. The master node's eth1 is connected to public IP and eth0 is connected to the slave nodes via the switch.
I was able to install the Rocks cluster on the machine, I configured the IP for master through DHCP. When I run the command 'insert-ethers' on the master node, it doesnot get me any slave nodes.
setting up the Rocks cluster on all the nodes?
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Sep 11, 2010
im running two name servers using bind9 in my infrastructure. both are identical distros ubuntu 10.04Both are also receiving updates from each other, so no worries there.The issue is, when the master name server goes down, the slave for some reason doesnt take over and act as a primary name server. Can someone please help me on how to enable this feature using bind9?What basically I want to happen is when the master server goes down, slave will take over the primary role till the master comes back online
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Jul 11, 2011
In our Server they configure Master / Slave Dns using SSL authentication while tranfering the zone files, i dont have much idea about ssl authentication for Dns, how it will works
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May 3, 2010
Have someone used Linux heartbeat to send email when the Slave server becomes the Master? I've read I can configure the MailTo under.
But I really don't know how to do it. I basically need my primary server to send an email when it becomes inactive and all the activities are manage by the secondary node.
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Jun 17, 2010
I have installed Mysql in Ubuntu 9, for the use of roundcube database.After installing iam getting the error like this
* Stopping MySQL database server mysqld [ OK ]
* Starting MySQL database server mysqld [ OK ]
* Checking for corrupt, not cleanly closed and upgrade needing tables.
So because of this in the roundcube configuration its giving the error message that MYSQL is not installed. So Kindly give me a idea how to solve this.
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Aug 25, 2010
I'm having problems connecting to the mysql database on my system. I first noticed this when I was trying to set up the program anymeal. I subsequently tried using MySQL Administrator (mysql-admin), but had no luck. It gives my the following feedback:
Code:
Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)
Click the 'Ping' button to see if there is a networking problem. I press the ping button, and it seems to connect.
Code:
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Feb 22, 2011
I've been attempting to set up a LAMP for local web development, which meant installing mysql-server. But now have a problem when trying to run mysql, I get:-
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
When trying to downgrade mysql-server I saw that there are dependency problems between the various modules (but can't recall which). But whichever route I truied the results are always the same.
Thought about trying XAMPP but I note that even has it's problems, is there any way I can get a lamp set up on FC14, or must I give it up as a bad job.
Howver, just been trying to again to fix the problems with downgrading mysql and get:-
Error: Package: mysql-server-5.1.55-1.fc14.i686 (@updates)
Requires: mysql(x86-32) = 5.1.55-1.fc14
Removing: mysql-5.1.55-1.fc14.i686 (@updates)
mysql(x86-32) = 5.1.55-1.fc14
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Aug 2, 2010
I'm trying to setup wordpress on my server, which of course I need mysql for. I setup a database the other day, which worked perfectly, but I had to start again as I put some information in wrong. Now, I can create a database fine, but when I run
Code:
GRANT ALL ON wordpress.* TO wordpress@localhost IDENTIFIED BY "password";
I get the output:
[code]...
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Jun 4, 2009
I have MySQL 5.1.34 and PHP 5.1.6 installed on my system, how do I install php-mysql? Each time I try, it says
mysql-5.0.45-7.el5.i386 from base has depsolving problems
-- > mysql conflicts with mysql-server-community
error: mysql conflicts with mysql-server-community
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Jun 18, 2010
I was having issues with MySQL Server and uninstalled it. I still have my databases at /lib/var/mysql.
My question: if I install MySQL Server (same version, 5.1) again, will it delete my databases, or will they still work?
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May 23, 2011
How can I really, really remove everything related to mysql / mysql-server. I read and tried all kinds of things, but on every reinstall there is still old mysql stuff there, for example an existing password. Even resetting the password does not help.
Reason of removal: it looks like the mysql setup is really corrupt, so I want to remove, and then do a fresh install. Running Ubuntu 11.04 64-bit
sander@R540:~$ sudo apt-get purge mysql-server
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package mysql-server is not installed,
[Code]....
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Jan 30, 2011
I installed mediawiki the other day and went with the default innodb option. However a week later something went wrong. And since I have scripts that nightly backup /var/ I just copied the backup of /var/lib/mysql/wikidb/ (as I've done with MyISAM). Then when I connect the wikidb database. I can see the tables (via "show tables"), but when I do any query with them (check table X, select * from X) I get:
Code:
Table 'wikidb.X' doesn't exist I've since read that can can't just copy the database directory like MyISAM, and there appears to be no way that I can find to restore or fix Innodb, without a dump of the data. And I never got a chance to do a mysqldump of the data. So has anybody got any idea how I can at least view the "page" table from the files I've backed up in /var/lib/mysql/wikidb/ ?
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