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1answer
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Replication with fail over cluster in SQL Server 2014

Presently I am Using Replication Feature in SQL Server 2012 .I want to migrate to SQL server 2014 .I want to use fail over cluster feature .Does it effect the replication feature which we are using ...
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0answers
11 views

simulate “do not match” in postgresql stream replication [on hold]

I have setup database stream replication using pgqadm & londiste. I use comparison script provided in https://wiki.postgresql.org/wiki/Londiste_Tutorial_%28Skytools_2%29#Launching_replication I ...
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0answers
19 views

MariaDB multi-master replication (star topology) - Bizarre out-of-sync behavior

This may look familiar, I've been learning about this stuff for a few days - but this is a new question. I have a setup like this: Every node is a master, and I have them all replicating to each ...
3
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2answers
28 views

MySQL Multi-Master Replication Topology

Disclaimer: I've never worked with replication before, but I'm doing all my research. Not really having a bunch of in-depth knowledge about MySQL makes a lot of the documentation hard to understand. ...
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0answers
38 views

How to verify replication data integrity in SQL Server when using external replication engine

I am looking for a way to verify that data I am replicating between SQL Server databases is making it to the destination OK. Data is being replicated using an external replication engine, no built-in ...
0
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1answer
35 views

Unable to create replica set for MongoDB in Linux

When I run the following command: rs.initiate(), I get the following error: "info2" : "no configuration explicitly specified -- making one", "me" : "ip-10-0-2-113:27017", "ok" : 0, ...
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1answer
16 views

Unable to delete a SQL Server 2012 publication

I've set up a transactional replication for two databases, let's call them A & B. Replication for the database A worked just fine and I was able to delete it afterwards without any issues. ...
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0answers
20 views

Are there any databases other than DB2 for z/OS that implement true data sharing?

Are there any database products for Linux/Unix/Windows that implement true independent member data sharing similar to what DB2 for z/OS implements? Specifically the individual members are each ...
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0answers
48 views

Column based replication in mysql 5.6

I want to do column based replication which means: In my server, I have table T1 in which columns are A, B, C, D, E I want to replicate this table on different server in mysql 5.6 only, but with ...
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0answers
49 views

How to troubleshoot, find and fix query Percona 5.6 with error “SQLSTATE[HY000]: General error: 1785 When @@GLOBAL.ENFORCE_GTID_CONSISTENCY = 1”

i'm running Magento CMS, and underneath there are 2 physical servers both with Percona Server version: 5.6.23-72.1-log Percona Server (GPL), Release 72.1, Revision 0503478 in Master/Slave ...
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0answers
28 views

mysql sharding techniques

I have developed one website for social network and I have used mysql for data storage. Now a days, many tables become a very huge (2-3 tables has 30 million records & 3-4 table has 300k records) ...
0
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1answer
27 views

How to force a delayed member to become primary in case of failure in mongodb

I have three member set [primary,secondary & arbiter] in my data center 1 [DC1]. Now i want a delayed member in data center 2 [DR]. In case DC 1 is completely down then my sub net application ...
0
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1answer
31 views

Mysql slave status is completely perfect but data is not reflecting

I have setup replication using mysql utilities. Slave can able to read and execute master's position and binlog files perfectly. seconds_behind_master is also 0. But data is not reflecting into slave. ...
6
votes
1answer
481 views

Move live SQL Server database to a new server

I have a production server running SQL Server 2008 Web Edition, and it has to keep running 24x7 with almost no down time, and it's the time for us to move to a more advanced server hardware, also it's ...
2
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2answers
67 views

What are some known hazards with cyclical replication between two MySQL master servers?

If I were to set up cyclical replication between a MySQL 5.6 master server and a MySQL 5.1 master server, what are some things that could potentially go wrong? Also, the 5.6 MySQL does not have GTID ...
0
votes
1answer
40 views

mysql prevent update other salve-master db while any record update in slave db

I have master and 3 slave (slave1,salve2,slave3) db in same host. So when I update any record in slave1 db its affected on all other master and salves db. My Question is: How to prevent update all ...
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2answers
74 views

postgreSQL hot_standby pg_dump on slave

I have master-slave (hot_standby) pgsql configuration and I want to make backups from one of my slaves. I don't want PITR, just good old database dump. I switched to postgres from MySQL. With MySQL ...
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0answers
27 views

problems with database replication mysql_config_editor

I would like to share with you the problem I have been having for almost a week. I am trying to create a replication between 2 servers. One is in hostgator and the other is a virual machine in Azure. ...
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0answers
41 views

Setting up multiple databases in Vagrant

Currently I am using Vagrant 1.4.3 in-conjunction with VirtualBox running Unix (Centos) for my development server (using MariaDB). I didn't setup the box myself (so my knowledge of setting this up ...
0
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1answer
79 views

How to improve mysql replication performance reading the relay logs in slave?

I have a mysql 5.5 row-based replication being done. The slave is slowly getting delayed relative to the master. On show slave status I see the distance between Master_Log_File and ...
0
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1answer
62 views

Size of data in secondary exceeded primary after its initial resync from primary in MongoDB

I step down the primary node, deleted its data and performed the initial resync from new primary. But when i checked the size of data after the completion of initial resync, I found that the size of ...
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0answers
25 views

Replica Set In Mongo Are All Primary

So I saw a thread on here for when all the replica sets are Primary. The fix was to do rs.Add(hostportStr) on the master server before you do rs.initiate() on the server you want to become a ...
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0answers
32 views

Amazon rds read-replica, use as archive database

I have hosted my database (MySql) on Amazon RDS service and also created read-replica in the same availability zone. I have send my read queries on that read-replica. Now a days my database is become ...
0
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1answer
26 views

Delayed transactional replication setup?

I will need to setup transactional replication for a big database. I use backup/restore to initialize the database because it's too big to use snapshot over slow network. So the following steps are ...
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0answers
67 views

MySQL replication: most important config parameters on slave for performance on master server?

This query is almost the same as this question. But in this case, a configuration to make the master perform faster or just the same. Case We have a Master-Slave setup on a Mysql 5.0.77 - MariaDB ...
0
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1answer
187 views

can we use a mongodb 3.0 and mongodb 2.6 in same replica set?

i know that replicas using different storage engines can coexist in a replica set on MongoDB 3.0 but can we add a MongoDB 3.0 replica to a replica set that consists of MongoDB 2.6 instances ? That ...
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0answers
9 views

How many postgresql / BDR database can be replicated from a server? [duplicate]

I've been reading the postgresql bdr docs found here: https://wiki.postgresql.org/wiki/BDR_User_Guide I came across this comment in the above doc: BDR operates per-database, not per-cluster ...
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2answers
111 views

What SQL Server database version do I need?

I am not a database experts but part of the project I am currently interested in accepting requires to do a DB replication. The system will have many outlets... says Site A, Site B, Site C, etc.. ...
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0answers
42 views

Replicaiton and synchronizing to a central database

My client will have many outlets and each outlet will have a local db. But there is only one outlet which will have a central db. Ideally, my client wants to put everything on a cloud but due to the ...
0
votes
1answer
82 views

The message “Running the Merge Agent process would exceed the maximum number of processes allowed” appears, but it doesn't seem likely

The full text of the message is "Running the Merge Agent process at this time would exceed the maximum number of processes allowed by this publication. The process will run when resources become ...
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0answers
60 views

Postgresql service run failure

Trying to setup replication through the wal shipping using Postgresql 9.3 x64. Used this instruction from youtube. The problem is - the slave postgresql service won't run. This is what in logs ...
3
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1answer
155 views

Oracle Data Pump Import with running advanced replication

In our system we have a running advanced replication between two databases(11g release 2) and want to use pump import to import a backup on one site. However the imported data is not replicated to the ...
0
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1answer
26 views

MYSQL Group Replication

I have setup a Master-Master-Slave replication where say A B and C, I want to replicate data from A to B (which is working) and B to C (also working) and from A to C which is not working with two ...
0
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1answer
82 views

Notification when the status on sql server replication is “Not Running”

We have a lot of replications set up. Sometimes for some reason, the status of the replication changes to "Not Running/Expired Soon or Expired". Could you please let me know if there is a way we can ...
1
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1answer
142 views

Replication consistently fails to bring new rows to subscriber

Short description of the problem: Initial synchronisation to the subscriber works fine. Subsequent synchronisations fail to download new rows. Re-initialising the subscription "fixes" the issue and ...
1
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1answer
1k views

Postgresql doesn't accept replication connection

Plain old streaming replication. PostgreSQL: 9.2.7 Windows 8.1 64 bit My primary and secondary clusters are on same windows machine. I have already done pg_start_backup() and everything, so both ...
0
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1answer
38 views

MSSQL 2000 replication, incrementing an integer column on a single row using an update statement

I have 2 web servers, both of which connect to separate mssql 2000 database servers, these two servers use merge replication in order to collate tracking data. Now each web server runs an update ...
0
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1answer
154 views

I noticed that my MySQL slave's DB size is smaller than the Master's DB

I have a very simple setup of a master MySQL DB with one slave MySQL DB replicating from it. Initially, when setting up the slave, I used mysqldump to get an initial DB dump from the master like ...
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0answers
8 views

MySQL : Cannot add to the replication Ignore list [closed]

The my.cnf file already had 17 replicate_ignore_db = [Database Name] entries. I added one more. Then I restarted mysql. Then I logged in to mysql and did SHOW SLAVE STATUS \G; but still the newly ...
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2answers
408 views

SQL Server 2005 to 2012 Replication, cannot access replicated data

I have created publication (snapshot, small table with 10 rows) on MS SQL Server 2005. Then, I created push subscription on MS SQL Server 2012. When I try to select data form table, process takes ...
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0answers
188 views

How can I correct MySQL replication while using federated tables?

This is an overview of what I have going I have 2 server A (10.0.4.22) AND B (10.0.4.29) A is a replication of B and B is a replication of A (yes it is a ring replication) ON A I have 2 table uat and ...
3
votes
1answer
91 views

SQL Server Replication w/o network connection

Is there a way to use SQL Server Replication without a network connection? My would-be publisher is an SQL Server 2005. It is on the "outside" as it is connected to my company's primary LAN, which is ...
1
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1answer
77 views

Mysql Server version: 5.0.77-log Source distribution

I have a master(M)-slave(S) replication on MySQL. During a failover test, the master was brought down and the slave was made the master by doing STOP SLAVE; RESET MASTER;. Since there are only 2 ...
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0answers
94 views

replication error Error Duplicate entry… for unique key

I have two database that one of them is replicated of another one,my tables have unique key on some column ( NOT primary key ),so if in replication process an Error Duplicate entry..... occur,these ...
1
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1answer
684 views

PostgreSQL Slave has more files in pg_xlog than /wal_archive

Background: for various reasons I am switching PostgreSQL Slave from a Streaming replication to a warm standby replication. The streaming replication was setup using this guide: ...
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0answers
16 views

Distribute data from a temporal database

I'd like to know whether there are some best practices for distributing data contained in a temporal data base. My application will make some changes to a master data, which are then stored in a ...
0
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1answer
59 views

MySQL replication issue when master gets restarted

I have the following environment: NodeA and NodeB in NDB cluster. NodeC InnoDB outside cluster. NodeB is replication master and NodeC is slave. I have set up replication and it works fine. The ...
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2answers
52 views

Mysql replication with c

I have huge database on MySql and It's become more and more huge. So, Now I am facing performance issues with my database. Some of tables has millions of records in it. like my login detail table ...
0
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1answer
2k views

Move Oracle database to new server

I have a Oracle 11g R1 Standard Edition database on production server working on Windows 2008 R2 SE. Unfortunately server it not working properly (os/hardware failure) and I need to move it to ...
3
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1answer
176 views

Replicating 3000+ SQL Server databases

I'm currently investigating the different options there are setting up a DR site for our main data centre. In an ideal world, we would have fewer, larger databases, however due to architectural ...