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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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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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 ...
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84 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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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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408 views

Disaster Recovery - using Double-Take for live replication to DR on a developer's client machine with Visual Studio running

Our Systems team is implementing Double Take on client machines for live replication to DR servers. Developer's desktops typically have multiple instances of Visual Studio open at all times which ...
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2answers
361 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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3answers
817 views

Best Solution for Load Balancing geographically distributed NFS File Access? [closed]

I'm trying to find an optimum solution for accessing the NFS file share in my company. We have a central file server in North America and has 30GB~50GB of updated data everyday. And it's very slow for ...
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2answers
202 views

System Requirements of a write-heavy applications serving hundreds of requests per second

NOTE: I am a self-taught PHP developer who has little to none experience managing web and database servers. I am about to write a web-based attendance system for a very large userbase. I expect ...
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42 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
1k 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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2k views

Logon Failure: the target account name is incorrect after making a ghost image of a server

I recently replaced a failing SCSI drive in a Windows 2000 server with an IDE drive. I made an image of the SCSI drive and Ghosted it. The purpose of the machine was to give out DHCP at one location ...
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The Destination Server is Currently Rejecting replication Request - Error Event ID1864. Warning ID 2092

hope some one can help me with the subject mentioned error. My current set is that I have physical Win2k8R2 Box and a Virtual server with the same configuration. recently I am having replication ...
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1answer
116 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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5answers
2k views

SQL Server 2008 R2 transactional replication over VPN

I'm having difficulty setting up replication over a VPN. I have a SQL Server 2008 R2, Enterprise Edition database on a Windows 2008 R2 Server. SQL Server is running on a non-standard port. I have ...
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1answer
729 views

DFSr detected that a file was changed on multiple servers, but “winning” file and that moved to conflicts folder have same hash

We've just deployed a new DFS replication system between two Windows 2012 R2 servers. We cloned the DFSr database using MS's recommendations ...
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133 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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55 views

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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149 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 ...
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3answers
3k views

Subversion cluster / replication / HA

What's a good way of making SVN highly available? We take backups of our Subversion server, but this is not enough, as svn is very important. We would like to implement some HA mechanmism for ...
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1answer
72 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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3answers
2k views

SYSVOL replication over DFS-R

When we migrate our production DCs to Server 2008 I would also like to move away from FSR to DFS-R for SYSVOL replication. My problem is that I setup a quick lab to test it out but it's not going as ...
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2answers
645 views

SQL 2005 replication not working

I am in the process of creating replication between 2 remote servers, server 1 is the distributor and publisher and server 2 is the subscription Server 1 windows 2003 server 192.168.10.1 connected ...
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1answer
487 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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1answer
202 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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159 views

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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3answers
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MySQL per-database replication?

So, my problem is interesting: we want to migrate from one server to another. We made a master-slave replication, but my boss came with the idea to make migration one database at a time. So he asked ...
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273 views

Hyper-V Replication of VMs with Symantec Endpoint Protection Manager and Symantec Mail Security

I'm hoping for some advice on replicating Hyper-V VMs which are running Symantec Endpoint Protection Manager (SEPM) and Symantec Mail Security for Microsoft Exchange (SMSMSE). The problem is the large ...
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1answer
479 views

mongodb keep looping while trying to sync data

I'm converting my my standalone mongodb into a replica set. I've added one more member (and I want to add two more members later, and to shutdown the primary server). My primary mongodb is running ...
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707 views

Communication errors while trying to replicate mongodb

I'm trying to replicate my mongodb database, I've crated 2 VM on my windows azure account. both of them are Ubuntu 14.04. I've opened 27017 port on both of them, and installed mongodb latest version. ...
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2answers
409 views

How to clone a linux live server with no stopping it?

This is my current situation:+ A linux server containing several web applications that cannot be stopped, with no physical access to it, only via ssh. This is what I need: I need to replicate it to a ...
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1answer
70 views

how to use mysql database replication to backup a single database

Suppose I want to replicate a single database in mysql on my slave, the master might be creating and writing to multiple databases. is this possoible? or does the replication slave have to replicate ...
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2k views

MySQL : How to lock all write in all databases? [closed]

I need to block all writes (insert , update, delete) on all databases. How can I do that ? Put all database in Read Only for a period time.
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1answer
46 views

Can bad DNS replication cause a user to loose connectivity to a shared drive [closed]

We have multiple users that loose connections to shared drives on a particular server. I am able to ping the server hosting the files but can not see the host, or directories. Also its not 1 user, its ...
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217 views

Replicated MongoDB server slower than simple shards

I tried to compare the performance of a sharded configuration against a sharded and replicated configuration. The sharded configuration consists of 8 shards each running on three different machines ...
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1answer
955 views

DFS Replication Manager on Failover Cluster Nodes

I currently have a VM architecture setup for high availability / manageability. The one point of failure is that I have a single windows 2008 machine that runs DFS replication across the servers in my ...
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1answer
29 views

Hw much gets stored for each GB after replication and backups [closed]

Does Google Drive, Dropbox, or other file storage services generally use Backups or do they rely solely on replication? How many copies do they replicate?
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PostgreSQL replicate data have different time

I'm notice that when I replicate data between 2 server with different time zone, the time data in PostgreSQL is shifted when I load it to a client (in my case, a Rails console). I thought all ...
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6answers
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Is it possible to use an EC2 RDS MySQL instance as a slave to an external master?

I have a master MySQL instance running on our local network, but I was wondering if I can get an EC2 RDS instance to replicate the master or is this locked down by amazon?
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157 views

How to recover a degraded MongoDB sharded cluster?

I've had problems with a MongoDB replica set of my sharded cluster. The current status of the nodes is: node1: primary (but apparently vetoed by node3 that needs to sync) node2: rollback (it was the ...
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199 views

MySQL replication across availability zones in AWS resulting in lag

I have 3 EC2 instances, each running MySQL. 2 are slaves replicating from the master. The master is located in the availability zone eu-west-1b. One of the slaves is in the same zone, and the other ...
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126 views

Do both Active Directory servers need to see each other for replication?

I'm trying to set up a remote DC for DR, and I've chosen to put it in AWS in a VPC with our other servers being backed up. I can restrict that with security groups to only accept traffic from the main ...
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SQL Server 2000: Monitor replication

starting with (Microsoft) SQL Server 2005, there are stored procedures available to monitor replication (http://www.g-productions.nl/index.php?name=sp_replmonitorhelppublication) But as we are a bit ...
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1answer
1k views

SAN Synchronous Replication and SQL Server - Is RPO of 0 possible?

I am working on a solution that is using SQL Server 2012 SP2, but without the use of AlwaysOn availability groups. This is due to cross-database transactions, that does not work for this scenario. ...
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1answer
101 views

MySql Replication Stored to Central Database

Hi I maybe looking with the wrong terminology. But i have a situation where i need to replicate / copy data to a centralized database. Shop1.dbshop - > Central.dbshop1 Shop2.dbshop - > ...
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1answer
153 views

New NTDS connections on a site: Need order of operations for local and remote sites

I have two AD sites: Hub and Spoke. ISTG is turned off for both of them, and a new DC is being placed in to the site with no ISTG enabled. What is the correct order of operations to set up manual ...
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2answers
543 views

what distributed file system for a two-node failover setup?

I'm trying to set up a redundant setup consisting of two servers that have everything redundant: the database (MySQL master-master in active/passive mode) the file system (distributed/replicated) ...
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1answer
1k views

pg_basebackup: could not get WAL end position from server

I want to create a Base Backup with the pg_basebackup tool of postgres 9.1. After some seconds I receive: `pg_basebackup: could not get WAL end position from server What can be the reason for this ...
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2answers
504 views

replicate an existing chef node

I have a VM (hosted "in the cloud") that has been provisioned with chef using my organisation's own chef server. I would like to replicate that VM locally (using a vagrant managed VM), in order to do ...
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4answers
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Is GlusterFS a good pick for keeping webservers in sync?

I've got 2 webservers, with the chance of having to add more servers along the way. Right now I keep these servers in synch using lsyncd + csync2. It works well performance wise because all files are ...