Questions tagged [master-slave]

125 questions
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mk-table-sync in a master-slave scenario: Changes not replicated to the slave

I have being employing mk-table-sync to synchronise tables from a master to slave on mysql 5.1. Unfortunately, while differences are correctly detected, modifications done on the master (DELETE,REPLACE,ecc.) do not seem to be propagated to the…
Fulvio Scapin
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Old, stale DNS slave server considered harmful?

Its been a while since I was dabbling in DNS setups, so my knowledge might be a bit outdated. We have a domain for which master server is administered by our team, and slave server is provided by the hosting company. At some point we have decided to…
Jacek Prucia
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Hadoop slaves file necessary?

I'm working on a team trying to create a system for creating Hadoop clusters on EC2 with minimal effort on the part of the user. Ideally, we would like slave instances to only require the hostname of the master instance as user data on boot. The…
Tim Yates
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Multi source replication not working in MySQL

I am trying to setup multi source replication. In my slave I have defined following two properties in its configuration file. master-info-repository=table relay-log-info-repository=table These entries are needed because I am defining channels in…
Frank Martin
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Port out of range in ReplicatedDB ActiveMQ

I have 3 replicated machines with Zookeeper and ActiveMQ (linux). I can confirm that zookeeper works correctly since I can see their ports (2888 and 3888) listening via netstat. The problem is confirmed in the ActiveMQ side. On the slave machines,…
sweet suman
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The right way to set up master and slave nameservers

I'm wondering about the proper way to set up a master and slave DNS. I read somewhere that your master DNS server should not have an NS record in your zone file - that's sort of secret and then your slave nameservers have NS records and are listed…
Jon A
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BIND9: Send Notifications on Specific IP Address

I've been trying to implement a bind master->slave setup between two machines, but I've a problem regarding the IP address BIND used on the master to notify my slave machine. Here is my setup: Master: master.site.com - 10.0.0.2 Slave: slave.site.com…
TCB13
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Performance-wise, is a DNS Slave better to have than two duplicate Masters?

I have two bind9 servers that are not setup with duplicate settings and know nothing about each other. Our CPU usage is sitting around 7% - 10%: mostly bind, which I believe is perfectly in range for our load. However, CPU usage is slowly growing…
Kladskull
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MySQL - Does the change in MySQL master db password affect on slave db?

I want to change the MySQL DB password on the master db. My question is: do we have to care for the slave DB when changing the master database password?
Milos Cuculovic
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BIND Slave Receiving Notify From Other Slave?

I have a master nameserver setup with a few slaves as well. Today I was changing one of the slaves to a new server when I came accross a weird error message. After updating the DNS records on the master and restarting BIND, I noticed that…
SameOldNick
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Bind9 Master Slave replication

I have Bind9 on Debian for NS1 and NS2 They are two virtual machines. I create a file /etc/bind/zones/db.domain.com Then I have to add this to the /etc/bind/named.conf.local zone "domain.com" { type master; file…
Tibby
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I really want a wildcard NS record in BIND. Is there a workaround?

We have a public DNS provider, a private DNS master, and a private DNS slave. The public DNS provides the "example.com" zone, and all of it's subdomains. Our private DNS also provides the "example.com" zone, but some A records point to internal IPs…
ndbroadbent
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mySQL: Slave not able to connect to Master for replication

On my master, I did: GRANT REPLICATION SLAVE ON *.* TO 'repluser'@'%' IDENTIFIED BY 'mypassword'; On my slave, I see: mysql> show slave status \G; *************************** 1. row *************************** Slave_IO_State:…
Shamoon
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Overwrite SOA expiry in a bind9 slave name server

I run a slave name server of a domain that I do not have full control over (i.e. changing the SOA is not possibly). The SOA specifies an expiry time of one week. For various reasons, I’d like to override that value on my specific slave server to…
Joachim Breitner
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BIND no longer responds to AXFR Requests

Recently we moved our primary external DNS server. It has three caching DNS slaves in front of it provided by our ISP. They've told us they've started getting access denied requests when doing zone transfers (AXFR). If I add in my own IPs to the…
djsumdog
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