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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How to open Hyper-V Manager in Hyper-V Server 2012?

In Windows Server 2012, to open Hyper-V Manager, in Server Manager I would just go Tools >> Hyper-V Manager. How do I open Hyper-V Manager in Hyper-V Server 2012? I want to allow replication to this ...
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1answer
109 views

dfs replication verification

Was wondering if there is a way to verify every single file from the source server is replicated over to the secondary server. I understand there's a command get-dfsrfilehash that can verify the files ...
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1answer
953 views

Server returned 'request expired' less than 0 seconds after request was issued, but it shouldn't have expired for at least 600 seconds

When I click save & restart VMWare Replication Appliance VRM service: Getting this error Error applying startup configuration: Server returned 'request expired' less than 0 seconds after request ...
4
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1answer
45 views

7-Mode snapmirror status post link change

In a Netapp with a snapmirror relationship to another Netapp in 7-mode, what are my options of checking replication performance through Data Ontap? We upgraded the link and want to know how snapmirror ...
0
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1answer
132 views

Cassandra NetworkTopologyStrategy

I would like to configure the following multi-datacenter Cassandra cluster: DC-EUROPE has 3 Cassandra nodes (1.1.1.1, 1.1.1.2, 1.1.1.3) DC-ASIA has 3 Cassandra nodes (2.2.2.1, 2.2.2.2, 2.2.2.3) Each ...
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3answers
5k views

What can I really do with percona toolkit's pt-table-sync?

I have been looking for a tool to synchronize tables from 2 different databases and found pt-table-sync. I read the documentation and got confused: they mostly use examples referring to a replicated ...
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1answer
122 views

MYSQL replication - Security suggestions on replicate over the internet [closed]

I'm going to launch a new web service, but i have few funds to start this business. I was taking a look at OVH Dedicated Infrastructure servers, but such a service costs at least 250 $/month, too much ...
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0answers
339 views

Unable to edit Account Options with Delegate AD access (Access Denied)

We allow the IT services in other countries to manage certain parts of their AD/OU via Delegate Control. Under one Country OU, the delegate rights to edit Account Options are no longer working. This ...
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1answer
477 views

Can't connect to MySQL 5.5 with SSL

I am trying to get MySQL SSL replication setup for two brand new RHEL 6.6 x64 servers. I have replication working without SSL, but I can't get it set up with SSL, and can't connect directly using SSL ...
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2answers
302 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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2answers
1k views

MySQL: Replicating the MySQL database

I have a primary write server (server1) which replications to two servers (server2 and server3) which are query servers. I am replicating all databases to these servers including the MySQL database. ...
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1answer
1k views

Windows Server 2003 AD Replication error 1864

Quick question on Active Directory replication. The AD topology is simple: Hub site and 10 Branch sites. I have one connection object between Branch "A" DC and Hub DC in Active Directory Sites and ...
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2answers
240 views

LDAP syncrepl with kerberos authentication

I'm trying to set up a replication server for LDAP using syncrepl. I would like to use Kerberos to authenticate the consumer, because we have it set up, and it seems more secure. The database ...
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2answers
142 views

Location dependant dns redirection

I have a corporate network with two sites. Each site has its own domain controller with dns service and both domain controllers are servicing the same company.net domain. We have an mpls network set ...
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0answers
72 views

Not received replication information orphaned domain controller win 2008 R2

All 3 our domain controllers in 3 different sites keep generating the same active directory error. This directory server has not recently received replication information from a number of ...
2
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1answer
266 views

remote Powershell script Scheduled task

I am having trouble running a Powershell script as a scheduled task. The script remotely logs into two Hyper-V hosts, queries the replication status and emails the result back to me. The script works ...
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5answers
1k views

mysql replication stop/start causes duplicate rows

We're using pretty simple MASTER->SLAVE MySQL query-based replication. Every midnight a cron script on the slave stops the replication SQL_THREAD, backs up the slaves databases with mysqldump and ...
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3answers
794 views

Rebuilding corrupt slave by copying mysql folder

Rebuilding an existing slave from a master using cold-copying of /var/lib/mysql, would this be the proper process/order? Anything missing? master mysql> SHOW MASTER STATUS\G (take notes) slave ...
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2answers
841 views

Status of replication support in ApacheDS?

The features page indicates they're expecting to support multi-master replication "soon". Does it have any basic master-slave replication yet or does it currently not support any form of replication? ...
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0answers
151 views

combine two mysql replication log files

So I use a master-master replication of a mysql database and load balance traffic between the two. This results in server A with a binlog of all it's transactions and Server B with a binlog of only ...
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2answers
205 views

Replicated shared filesystem

I'm looking into setting up a shared filesystem/file server on AWS (EC2) infrastructure that offers replication and fairly painless failover. This filesystem would host potentially millions of files ...
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1answer
66 views

Does Hyper-V Replication support memory replication?

Does Hyper-V replication support the replication of memory, or is it just the deltas between disk writes? ie, in a fail over situation would a server with a memory fault have this same memory fault ...
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1answer
122 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 ...
2
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0answers
179 views

Postgres streaming replication over Internet

all: I want to set up two PostgreSQL servers, one as master server and the other one as a hot standy, using streaming replication. I have done this before in LAN environments, but I would like to ...
5
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3answers
638 views

Replicating a linux web server

I'm planning on replicating a web server for high availability purposes. The server is running as a Ubuntu 15.04 virtual machine in Hyper-V and has MariaDB 10.0, Apache 2.4 and PHP-FPM 5.6 installed. ...
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1answer
235 views

OpenLdap Replication

I have installed openldap on two machines and tried to setup multi-way replication.I am able to perform the multi-way replication (Add/Update/delete) when both the machines are up and ldap is running. ...
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1answer
248 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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1answer
129 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
253 views

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

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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0answers
101 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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1answer
636 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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3answers
4k views

GPO Replication SysVol Inaccessible on Windows Server 2003

In our current AD setup, we have the following Domain Controllers: DC1: Server 2012 R2, Operations Master (All roles) DC2: Server 2012 R2 Mailserver1: Server 2003, Also hosts Exchange 2007 The ...
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1answer
334 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
456 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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1answer
784 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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1answer
68 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 ...
0
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1answer
727 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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1answer
72 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
117 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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1answer
36 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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1answer
1k views

How to filter columns in SQL Server replication?

I need to replicate some data from two tables in one database to another databases. I used snapshot replication. The issue is that I would like to replicate only some selected columns and the others ...
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1answer
70 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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2answers
136 views

What type of AD replication is needed for a non-mesh Hub and Spoke network?

I'm having AD replication issues (OUs not replicating, FRS, etc) and suspect the issue is that the network admins have modified AD Sites And Services in ways that disabled the ISTG and other aspects. ...
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3answers
2k 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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1answer
291 views

Replication with Veeam causes timeouts on large VM's

I have been trying to replicate two of my larger VM's one being Exchange 2003 and once the snapshot begins to commit the server begins to time out. I have updates my ESX hosts from 4.0.0 to 4.1 and ...
8
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3answers
10k views

Run a MongoDB configuration server without 3GB of journal files

For a production sharded MongoDB installation we need 3 configuration servers. According to the documentation "the config server mongod process is fairly lightweight and can be ran on machines ...
0
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1answer
3k 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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0answers
201 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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Does having an extremely high number replication partners in Active Directory pose an issue in 2014?

I'm consulting a network where they have 5 domain controllers in central location and a lot of Read Only controllers in additional locations. SCOM is shouting that there are extremely high number ...
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1answer
59 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 ...