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.

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Chef automate MySQL replication cookbook and roles [on hold]

So I found this cookbook https://supermarket.chef.io/cookbooks/mysql-multi and trying to put together recipe. Has anyone did it? Can you point to directions where to begin Thanks
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28 views

Best way to copy file server 2008 r2 contents to a new 2012 r2 server [on hold]

I am making a DR site over the cloud and want to upload all my file server contents in the fast and most suitable way. There are many options like; XCopy Robocopy DFS Replication Third party tools ...
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16 views

Changing tablespace on table with streaming replication

I've been searching for answers for a while know but can't find any reliable source. We have 2 postgres servers that replicates using streaming replication. I now need to move some tables to a ...
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1answer
28 views

Replication not working on DC

I am getting the following error (4612) on my secondary and tertiary DCs: The DFS Replication service initialized SYSVOL at local path C:\Windows\SYSVOL\domain and is waiting to perform initial ...
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7 views

glusterfs unable to read gsyncd status file

Goal I wanted to try glusterfs geo-replication in some virtualboxes on my computer for later use distributed on multiple sites. Configuration I installed glusterfs 3.6 on ubuntu 32bit servers like ...
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54 views

Domain controllers won't replicate

I recently removed a secondary domain controller (forcefully) and created a new one as secondary for the same domain. The problem is, is that the new secondary can see the primary and itself, but the ...
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13 views

Postgresql Hot Standby - How to determine it's fully mirrored? [migrated]

I have set up a hot standby of a postgresql server. It all seems to be working, but I just want to be sure that I'm not missing something. In /var/lib/pgsql/9.2/data/pg_log/postgresql-Wed.log I have ...
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14 views

Invalid method Parameter when calling DfsrConnectionInfo->ForceReplication() with WMIC

In our AD infrastructure the SYSVOL is replicated by DFSR. I want to force replication using WMI (ForceReplication method) via WMIC: wmic /namespace:\\root\microsoftdfs path DfsrConnectionInfo call ...
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12 views

Postgres 9.3 maximal cluster size with streaming replication [duplicate]

First, I quote from https://wiki.postgresql.org/wiki/Binary_Replication_Tutorial: In Streaming Replication, the master and the standby have special processes called the walsender and walreceiver ...
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87 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 ...
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43 views

Server with multiple replicate=do-db entries

I have a server that someone has setup which are acting as a master-master on both servers. Since they have been configured as both master on the same database, changes in one end has caused all sorts ...
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191 views

Is it a good idea to store Docker volumes in glusterfs?

I am currently thinking about migrating some of our servers and apps to a coreos enviroment. One of the problems I see here is the management of persistent data as coreos does not handle Docker ...
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26 views

How do I set up a geographic mirror site for LAMP?

I have a server that's running on the standard LAMP stack. I have web services that read a MySQL database to control access to certain content. If the content is allowed to be accessed then it is ...
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15 views

How perform a offline defrag of the the DFS Database

I have read in some posts that an offline defrag of DFS database you should do in case of an error (Jet Errors for example) during replication. Unfortunately, nowhere do I find a guide on how I can ...
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1answer
47 views

Tomcat does not replicate session attributes

I am struggling with configuration of session replication in Tomcat cluster. Ramki's articles about Tomcat Clustering helped me a lot. Load balancing and sticky session works well. SessionIDs are ...
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40 views

Main server 2008R2 crashed. Need to copy AD from another server in same IP range

Unfortunately the main server crashed and I have re-installed Server 2008 R2 Standard in it. The server had only ADDS, DNS Services and File Services. I have the AD on a desktop computer where Server ...
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1answer
32 views

What is the difference between Site Link Bridges and BASL?

I have a hub and spoke network where the spokes can't communicate with each other. I understand that BASL is what's responsible for making links to sites that are non routable. How does a Site Link ...
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39 views

Best practice of using MongoDB Replica Set on AWS EC2

MongoDB needs at least three replica set members on independent locations to work automatic failover correctly. However, some of AWS Regions (such as ap-northeast-1) have only two Availability Zones. ...
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1answer
20 views

Postgres replication via different interfaces

I have one PG master server that replicates itself to one slave server. Also I would like to replicate this master to slave that is in another network. Master has 2 interfaces, and there are ...
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49 views

Solution for file data backup, versioning and replication

We have a growing set of data files (.wav files, image files etc) which are data, i.e not part of the application code - uploaded and modified by users. The number of files is in the 1000s and the ...
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1answer
24 views

Error when using sp_addscriptexec

I have tried to run the following command on my server that is using sql 2008 merge replication sp_addscriptexec MyPub, '\\my-server\MSSQL\updateTablePermissions.sql', 1 and I get the following ...
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3answers
168 views

MySQL “Duplicate entry” Errors on the Slave break replication all the time

I followed this tutorial: https://www.digitalocean.com/community/tutorials/how-to-set-up-master-slave-replication-in-mysql Unfortunately the replication stops on the slave all the time with: ...
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81 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 ...
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26 views

OpenLDAP - syncrepl errors but replication is working

I have 2 openldap servers working in master-slave configuration. I am using simple bind for replication but on slave side I find log entries like this: ldap_sasl_bind_s failed (-1) ...
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70 views

Problems with OpenLDAP-Replication

we just set up a Ubuntu Server with OpenLDAP running. We also have a second server, running Ubuntu as well. Now i tried to set up the replication using this guide: ...
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54 views

How do i replicate files between two different file structures?

I've got a directory which contains hundreds of thousands of files. A file typically looks like this : CED375_description_01.jpg. I need to move this file to another directory, but the file needs to ...
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191 views

Active Directory Replication Errors

I am very new to this so bare with me, but we just installed a second Domain Controller on our domain. The installation of DC 2 went along with no hiccups. However I am running into an issue with ...
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34 views

Sql server 2008 - server name changed

I have changed the computer name of the server where sql server 2008 r2 is installed. Old name is WIN-OUJEKRMGXXX and new server name is KASURDYYY When i configure replication following error occurs: ...
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36 views

Can I get a running list of executed queries from mysql to trace problems?

This question was formerly: "Mysql replication logs are filling disk and halting server". However, I'm asking the community if there is a command line trace or live log that I could tail -f and see ...
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2answers
60 views

Build a IIS and SQL Server replicated cluster [closed]

I have four Microsoft Windows Server 2012 R2 Standard virtual machines on three physical nodes. Two will be dedicated for IIS, and two for SQL Server 2014 Standard. I have to replicate them (IIS1 to ...
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26 views

hyper v replication destination on

I want to test out 2012R2's Hyper V replication feature but I don't want to have to fork out for a new dedicated Hyper V host until I'm sure that the built in replication is fit for my needs. We have ...
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1answer
214 views

Trying Non-Authoritative restore but CN=DFSR-LocalSettings is missing

I have a single Domain with one Windows 2011 SBS Domain Controller and a newly joined and DC promoted Windows Server 2012 Standard. Forest and Domain functional levels are both Windows Server 2003. ...
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49 views

Why does Hyper V differs in authentication methods for live-migration and replication

Hyper-V provides different authentication methods for replication and live migration (2012 R2 based). Live Migration is using CredSSP and Kerberos and replication Kerberos or PKI-based authentication. ...
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78 views

Replica for the free/busy folder is missing - Event 14029

Recently, we migrated an Exchange 2003 server to Exchange 2010. Everything is working fine, except that Event 14029 is logged very often. Event ID 14029: Couldn't find an Exchange 2010 or later ...
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Hyper-V Replica Capacity Planner stuck getting VM information

I'm trying to use the Capacity Planner for Hyper-V Replica tool to estimate requirements for a replica site. It keeps getting stuck "Getting the VM and VHD from primary site, this can take upto ...
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351 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 ...
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58 views

Removing a replication group

I am trying to un-install DFS on Windows Server 2012, that way I can try to re-install it as my servers won't talk to each other when attempting to replicate. I keep getting an error message that says ...
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97 views

GlusterFS replication between DCs without unnecessary overhead?

For testing purpose, I installed four GlusterFS nodes and created a replicated volume with a replicate count of 4. Two Gluster nodes reside in DC A, while the other Gluster nodes reside in DC B. Now ...
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67 views

MySQL replication shuts down after rotate of binlog

I have following issue. I had successfull setup of master-replica(row-based). It has been running for 2-3 hours. After bin-log was rotated -> mysql-bin.index file got corrupted on master. Here is ...
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241 views

Amazon RDS replication with external slave

I've recently configured a replication with an external MySQL master and RDS as slave but now I need to reverse that config and use RDS as master and the other instance as slave. Actually I use a vpn ...
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72 views

Add security/authentication to mongodb (2.6) without downtime?

We have a 3 node replica set (running 2.6.1) that's running mostly defaults. We'd like to add authentication, but do it without downtime. I'm fine with restarting the nodes one-by-one and even ...
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SQL 2008 over the internet replication

Please excuse me for the (probably) stupid question, but SQL Server is not my main proficiency here... I have 2 SQL Server 2008 R2 servers, one in an AzureVM and another one in my local datacenter. ...
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99 views

Why does freshly created MySQL slave keep throwing foreign key errors?

We are running Ubuntu-14.04 LTS with its stock mysql-5.5.40 and mysql-utilities-1.3.5 and we are setting up some master/slaves couples. Some of them get up without any issues just like usual, but some ...
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1answer
39 views

Missing DomainControllers in Active Directory Object

We are setting up a new network environment that will have two domain controllers and ran into an issue with Windows not recognizing the existing domain controllers (DC-01 and DC-02) as Domain ...
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1answer
117 views

LDAP Replica with TLS

I'm having trouble to run the replica LDAP with TLS, without TLS, all works !! Provider and Consumer are identical CentOS release 6.5 rpm -qa | grep ldap openldap-clients-2.4.23-34.el6_5.1.x86_64 ...
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1answer
114 views

My Active Directory replication settings don't look right

I have recently added a new site to my Active Directory domain (single forest, single domain). I have mapped subnets to the sites, and added one DC to the new site with our remaining 4 on the original ...
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73 views

Replication Issues in Active Directory - Computer Objects showing up in multiple OUs

There seems to be replication issues in the domain , but there is a strange occurrence. Some computer objects are moved to a different OU ; after a day when i searched for those computer objects in ...
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MSSQL Server 2008R2 Replication stall, no latency, no errors, missing data on subscriber

This morning after performing a routine database deployment of two new tables I noticed that transactional replication had stopped for more than 3 hours. When replication resumed it picked up 3+ hours ...
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60 views

sql web replication ?diag errors

Trying to configure web replication, and running into a number of issues. When running replisapi.dll?Diag, I receive the following errors: CLSID_SQLReplErrors FAILED 0x80040154 replrec.dll classes ...
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87 views

Mysql - best setup for 4 replication databases and another standalone

we would like to merge on one server 2 mysql instances coming from 2 different server : 4 databases on the first instance, which is a replication slave, which are replicated from a master 1 database ...