Replication is the process of sharing information so as to ensure consistency between redundant resources, such as software or hardware components, to improve reliability, fault-tolerance, or accessibility.

learn more… | top users | synonyms

0
votes
0answers
7 views

SQL server is replicating to wrong subscriber

I have a publication which is intended to push data to a subscriber over the internet from a remote server to our onsite local subscriber but it ends up on a wrong subscriber.Here is the scenario: ...
0
votes
0answers
17 views

MySQL - Error Reading Packet From Server - Adding new slave to replication environment

I have a working application, currently using MySQL, 1 master, and 1 slave. Everything appears to work fine with replication. I am using WAMP Server 2.5 (Windows) MySQL v 5.6.17 I have followed a ...
1
vote
1answer
1k views

Can't setup 3 nodes MongoDB recplica set

I just follow instructions in MongoDB document Replica Sets - Basics to setup a 3-node Replica set. Everything goes fine when I do the initiate and add first node in the primary. [foo@host-a ...
0
votes
0answers
16 views

Gluster for replication/propagation

Say I have a bunch of servers that access a gluster mount to serve files via http. Files are sourced internally, and are copied from an internal server to the gluster mount on one of the download ...
-5
votes
0answers
57 views

How to replicate between 2 branches

I have 2 branches of my company one is in dubai and other is in abu dhabi. I want to replicate active directory between both branches. I am trying to add a domain controller to an existing domain but ...
0
votes
2answers
49 views

How to replicate files between two separate apache machines in bidirectional

How to replicate /var/www/html/ between two separate machines which has separate hard disk storage running Apache web servers. I was planning to setup load balancing between these two Apache servers ...
1
vote
2answers
4k views

SQL 2008 R2 replication error: The process could not connect to Distributor

I have two servers running SQL 2008 R2 Standard, each with an instance named "MAIN". I have a small test database on my primary server (one table, 13 rows) that I want to replicate to a second server ...
0
votes
0answers
6 views

Syncing multiple Plesk instance/server DNS entries [closed]

I have two servers, one in the US and one in France both running Plesk Control Panel. I'm no stranger to SSH and manual administration, I just can't hand off a chrooted ssh to my clients and expect ...
0
votes
1answer
17 views

WSREP: Bad value for 'socket.ssl_key'

I am attempting to initialize a new MariaDB Galera cluster with SSL-encrypted replication. I have followed this guide to the letter, specified different details for CA, Server, and Client ...
-1
votes
0answers
17 views

Mysql master-master node recover after hdd destruction [closed]

I want to setup MySQL master-master replication. But I can't figure out if it is possible to recover failed node from the remaining one after total hdd destruction.
0
votes
1answer
2k views

GlusterFS - Replication Over Odd Numbers Of Nodes

I tried to create a replicated volume across my 3-node cluster with the following command: sudo gluster volume create \ replicatedStorage \ replica 2 \ transport tcp \ gluster1.mydomain.com:/data \ ...
1
vote
1answer
1k views

PostgreSQL master constantly demoted by pacemaker with repmgr

I'm in the process of setting up a PostgreSQL 9.2.8 cluster made of 2 nodes, one master, and one slave. I use streaming replication and repmgr 2.0. My platform is RHEL 6.3. Master and slave can be ...
0
votes
0answers
31 views

MySQL replication - invalidating query cache entries (table)

We lately mved to MySQL V5.5 on CentOS release 6.7 with master and 2 slaves. Since then the replication process lags a lot behind the master with the line in the process list of: invalidating query ...
0
votes
0answers
27 views

Adding network-fault tolerance to drbd or drbd alternatives

I've been working with drbd for about a year now, and at this point I'm tearing my hair out in frustration. Every time there is a network fault (something that is disappointingly common in the ...
1
vote
0answers
12 views

Minimizing downtime during MariaDB Replication Setup [migrated]

I have the task of setting up MariaDB (10.0) replication from a master running in a datacenter to a slave running out in an AWS VPC. Reading up on the instructions on Setting Up Replication - MariaDB ...
1
vote
1answer
1k views

Read Only Domain Controller not replicating after writable domain controller outage

I have a RO domain controller that replicates with a writable DC which is at another site. The other week the writable DC was out for about 2 days because of maintenance at that site. After this ...
1
vote
2answers
3k views

Ubuntu 12.04 glusterfs volume failed to mount at boot time

I have just setup 7 KVM guests, all running Ubuntu 12.04 LTS 64bit Minimal server to test out glusterfs 3.2.5 from the Ubuntu official repo. Two of them form a mirrored pair (i.e. replica 2), and five ...
-1
votes
1answer
42 views

Sync two Non-Enterprise SQL Servers [closed]

We have a SQL Server 2005 in one of our company's locations. Since DB calls from other locations are very slow, we would like to set up another SQL Server on the other location and keep the server ...
2
votes
1answer
1k views

Large lag on mysql replication (Relay_Log_Pos and Exec_Master_Log_Pos does not increase)

Today my two slave's (one mysql 5.1 and second MariaDB 5.5, master is mysql 5.1) started lagging. Similar situation are quite often with lags rises to even 10000 seconds, because slaves have worse ...
0
votes
0answers
25 views

PG, Redis, and Elasticsearch replication for 2 distant metal servers

After years of running a web app on ~15 separate VPS, I'm switching to a single physical server*. App uses 3 DBs: Postgres, Redis, and Elasticsearch, and can update to latest version on all 3. ...
1
vote
2answers
705 views

postgreSQL replication and failover with repmgr on Ubuntu

I'm new to Linux and have been tasked with setting up a redundant Linux DB server with PostgreSQL. preferably the fail-over needs to be automatic, but a manual process will be fine for now. What I ...
1
vote
1answer
8k views

How do I fix issue causing “incomplete startup packet” log message trying to implement replication in Postgresql?

I've got two cloud servers running Ubuntu 13.04 and PostgreSQL 9.2. I've primarily used this blog post to aid me in setting things up. However, to do the initial database dump to the slave I'm using ...
0
votes
0answers
25 views

Unable to connect to MASTER: Resource temporarily unavailable : Connecting to MASTER no:0

I'm currently working on simle active stand/by Redis clustering for query caching with Keepalived. The problem I'm facing is when I shutdown&start(restart) the host1 server for testing, it ...
0
votes
1answer
34 views

Replication issue on all 3 domain controllers

We have 3 domain controllers in server 2012. Replication is failing miserably. Repadmin /replsummary dc1 rpc server not available dc 2 rpc server not available dc 3 "Insufficient attributes were ...
7
votes
1answer
384 views

AD Replica DC Promotion Stall

I recently inherited infrastructure duties for a small startup I am working with. My traditional role has been development, so bear with me... I was hoping to start off on the right foot, and get ...
1
vote
0answers
34 views

Unable to create index on solr, when using Zookeeper

Evening, I've created a what I believe to be a simple SOLR cluster, with Zookeeper (external binaries instead of the embeded). For simplicity, this cluster is: Master: SOLR1 Slave: SOLR2 Both ...
1
vote
2answers
62 views

MongoDB automatic failover between 2 data centers

If I deploy a MongoDb replica set across only 2 data centers, if one entire data center fails, can there be automatic failover to the other data center? Consider the situation where 1 data center has ...
0
votes
1answer
123 views

Deleted Domain System Volume. How do I recreate it; I have no backups

As the title suggest I am basically screwed. Before all this happen; I had one problem: My group policies were not replicating from PDC to other DCs. I have three Dc's in production. As you can ...
2
votes
3answers
21k views

How to replicate all public folders in Exchange 2010?

I have a mailbox server with a mailbox database and a public folder database. I add a second mailbox server and create a mailbox database and a public folder database on it. For mailbox databases, ...
1
vote
2answers
31 views

Moving mysql slave

I am trying to move MySQL slave from old pc to new. Original slave is MySQL version 5.6.12 same as new slave(MySQL is part of wamp 2.4). Replication works fine at old machine. But when I stop slave, ...
0
votes
1answer
21 views

mysql master to master replication with one slave

I have 3 servers Server A master to Server B Server B master to Server A and Server C Server C slave to Server B When I add table to Server A, it replicated on server B but not in Server C When I ...
1
vote
4answers
5k views

How to find slave's IP address and user name from Master server?

I am writing a code to extract the ip address and username of slave server in a MySQL replication environment. Does anyone know any function, variable, or something that I can run on the console and ...
0
votes
1answer
10 views

// , Can I change the MASTERAUTH value on a running Redis instance in a Redis Cluster?

// , According to http://redis.io/topics/security, I can set a requirepass value, for example, requirepass foobared, in the Redis configuration files. However, I don't want this in my configuration ...
4
votes
2answers
74 views

Active Directory replication target principal name incorrect

I have a small 2 DC domain using Win 2008 R2 machines. Recently, one had to be restored using backup exec system recovery. Now the two are failing replication. I have ran DCDIAG on both (see below) ...
0
votes
1answer
165 views

Kubernetes Update Pods in Replication Controller behind Service

We have a deployed API in Kubernetes. The API is deployed via replication controller to pods and a managing rc. I would like to update the configuration to the API pods using rolling-update. I can do ...
2
votes
3answers
604 views

<suffix> invalid DN 21 (Invalid syntax) on Converting slapd.conf OpenLdap

Actually i want to configure ldap as master-slave replication using syncrepl method, On any reference which i found,I'm running on Centos 6 machine and openldap v2.4.23. I following step by step on ...
1
vote
1answer
146 views

Can not start PostgreSQL replication resource with Corosync/Pacemaker

I'm setting up a PostgreSQL replication on two servers (CentOS 6.5) with HA by Corosync/Pacemaker. My software info: postgresql91-9.1.19-1PGDG.rhel6.x86_64 ...
0
votes
0answers
12 views

Merge and transactional SQL replication…database empty (SQL 2005)

Firstly, let me just say that I'm a novice at SQL in general and this might be an easy fix for someone reading, but I've been unable to find anything that would explain or help my issue online. If ...
0
votes
1answer
3k views

SQL Server replication pending transactions

I'm having a problem with a transactional replication. I have the publisher in my server and there is a subscriber in another server. In my server, if I go to the details of the subscription I can ...
0
votes
1answer
56 views

elasticsearch not creating replica shards

I am banging my head for the past two days on this one. I have setup an elasticsearch cluster of two nodes. The configuration of each node is pretty simple: node.name: "server1" ...
-1
votes
1answer
43 views

both test lab Domain controllers need initial synchronisation

Im trying to setup a test lab for our 2008R2 AD environment but am having trouble getting the domain controllers to start. If I just start the PDC with all FSMO roles (DC01) it gives an error saying ...
1
vote
1answer
2k views

Missing SRV record at DNS server

Server 2008R2. 2003 functional level. One of my branch DCs, which we will call BranchDC1, is not registering SRV records in example.com/_msdcs/gc/_sites/_tcp. The DC is marked as a Global Catalog in ...
8
votes
3answers
5k views

Windows DFSR - Changed replicated directory permissions and now have a 350,000 backlog for more than a week

Question: Is there a way to make this 350,000 file backlog complete faster? For nearly every file the only change was a change to the ACL for each affected file. Some files have changed content, ...
0
votes
0answers
8 views

Planning For Growth with GlustreFS

I'm looking into GlusterFS and want to be able to add capacity one storage node at a time. I want to mirror data on two nodes at all times, and keep maintenance simple. I also want the cluster to keep ...
1
vote
2answers
251 views

OpenLDAP syncrepl probblem with password policies

Recently I have been working to get slapd syncrepl working using an LDAP backend (push based replication). While I have had fantastic results with syncrepl doing pull based, the push based is killing ...
-2
votes
1answer
50 views

How to replicate domains from different forests

I have 2 domains each in a different forest with transitive trust... Now, I am asked to do replication between them. My question is.. is that possible? if so how can I do that? any clue? I've made ...
5
votes
1answer
69 views

Windows Active Directory backup to a file

How can i take a complete backup of windows Active Directory into a single file and is it possible to restore this AD backup to another server? I cannot use active directory replication now, because ...
0
votes
1answer
26 views

Server 2008 R2 Replication Issue

I am trying to figure out why my Server 2 which is a domain controller is getting an error saying "Access Denied" when I am trying to access group policy management. I have checked and it is giving ...
0
votes
1answer
43 views

What happens to read/write operations during automatic client failover in MongoDB Replication

We have setup a 3 node replication set configuration for MongoDB. I want to know what happens to read/write operations during primary switchover. To be more explicit, few read/write operations were ...
2
votes
1answer
102 views

SQL Server Replication only for Enterprise Edition? Does it require Enterprise on both sides? Other solution?

My situation: I've been looking for an option of data replication for my SQL Server (I'm not expert on it, I should say it - neither on English Language). I've seen a few options, like Log Shipping ...