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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11 views
Openldap Mirror Mode replication failover
We have currently one master ldap server and around 400 slave servers which are partially replicated through that master.All openldap versions are same and 2.4.31
What we want is actually if master ...
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1answer
26 views
How does AD decided when to enable SyncOnStartup for inbound replication partners
I have been playing with the MSAD_ReplNeighbor wmi class for monitoring AD replication.
I have a hub and spoke, single domain topology where three DCs are in the spoke site.
One holds all the master ...
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43 views
AD Replication Errors / KCC - Between two Domain Controllers
I'm having quite an issue that began a few days ago. Let me just lay out exactly what happened - also I've inherited this environment, please keep that in mind.
1st Domain Controller - Windows ...
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36 views
MySQL - Adding another master to an already configured cluster
We currently have a MySQL 5.1 Cluster of two master servers.
Eventually we would like to move to 5.6, while also adding 2 more servers.
What is the best way to achieve this? This is what i had in ...
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20 views
Identical tables, different sizes?
I have transactional replication with updatable subscriptions going between a few SQL 2008 R2 servers (publisher is Enterprise, subscribers are Express).
I need to add another subscriber, and come to ...
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41 views
Syncrepl support in Mac OSx 10.8 OpenDirectory
From Ryan Faas's article Apple's OpenDirectory does support overlays but I can't seem to enable the syncprov or accesslog overlays. Adding following block to slapd_macosxserver.conf turns the server ...
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18 views
“Arithmetic overflow” when initializing SQL Server 2012 replication from backup [migrated]
I'm initializing SQL Server replication from a backup, by following instructions from here:
http://www.mssqltips.com/sqlservertip/2386/initialize-sql-server-replication-using-a-database-backup/
...
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1answer
26 views
Restore backup from SQL 2008 to 2008R2 with standby
We are looking to replicate our production database to another instance so that when reports are run, it doesn't slow down the application to the point of being barely usable. I had limited success ...
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1answer
94 views
How to setup replication between my two ISPConfig3 servers
I'm follow the excellent tuto ISPconfig3 web server on Debian 6 and I try to run it on a replication server.
My purpose is to make a rescue server who, when my master server down, take over.
...
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2answers
32 views
What is the correct way to configure AD replication in a hub-spoke design
Our AD is a basic hub/spoke design. We have a headquarters in London, and remote offices. The remote offices are connected via VPN to HQ.
We have 3 domain controllers at HQ, and one in each remote ...
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27 views
How to do replication of data on mysql?
i am trying to do mysql replication for my site database. i searched on internet but did not get proper solution for replication. i am looking to do replication on same server.
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18 views
automatic replication to remote dirs
I have a web server accepting file uploads. In my php file I move the uploaded file to a specific dir1. dir1 is a mount point from fileserver1 via NFS. Now I would like to do this
(which does not ...
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52 views
how to configure postgresql 9.2 streaming replication?
I am new in postgresql 9.2.
I want to achive streaming replication (master-slave) in windows xp os enviorment .
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39 views
SQL server replication, subscription to remote server : issue while choosing the publisher
I am trying to create a subscription to a remote server having SQL 2008 R2
the client PC is connected through VPN to the server and can discover it successfully.
I can even connect to the database ...
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0answers
103 views
Hyper-V could not replicate changes for virtual machine: The file or directory is corrupted and unreadable. (0x80070570)
I'm having a strange problem where I have 2 HOST servers (new Dell Servers) running Windows 2012 STD and Hyper-V 2012 and they replicate stuff between each other (each machine replicated to other host ...
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20 views
Remove a secondary from a mongo replica set without triggering re-election?
I had to add a new secondary node to my replica set yesterday so that I could do maintenance on another secondary node. Now that the maintenance is complete, I'd like to remove one of the secondaries ...
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1answer
39 views
Percona xtradb cluster with asynch slaves
I have a Percona xtradb cluster set up with 3 nodes. Node 1 is also set up as a master with an asynchronous slave. When I make an update to Node 1, it is replicated to the cluster as well as the ...
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1answer
43 views
Migrating MySQL from one server to another via master-master replication
OS is Linux. I imagine that the process is something like the following:
Set up master-master replication between old and new servers.
Cut over the db ip on my app server from the source db to the ...
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1answer
97 views
Active Directory Replication Bandwidth Consumption
There are lots of articles out there describing how to architect your replication toplogy, and all the reasons why, and they all boil down to conserving bandwidth, and achieving a convergence time ...
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35 views
unable to correctly configure UDP Port Duplication using iptables
I'm trying to duplicate the udp stream on port x to port y. I have xtables-addons installed and I'm doing a terrible job finagling this together.
iptables -t mangle -I PREROUTING -p udp --dport 8000 ...
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2answers
47 views
Slave with more databases than master
I have two servers. Lets called ServerA and ServerB each has their own database server and web server. Those two servers are used to run different website. ServerA data is more important because it ...
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1answer
97 views
Exchange 2010 Mailbox Replication Service Error
We are repetitively getting:
The Microsoft Exchange Mailbox Replication service was unable to process jobs in a mailbox database.
Database: DB24
Error: Couldn't find system mailbox ...
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3answers
59 views
MongoDB: two nodes & primary election
According to Mongo documentation in order to safely deploy a replication set, you need at least two active and one arbiter because election of the a primary needs the majorities of the votes.
Let's ...
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51 views
Mutli-master file system replication with acceptable read performance
I am trying to configure replicated storage over three sites - each site having a full replica of a file system, using either GlusterFS, or XtreemeFS. This replica must be readable - very fast - ...
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1answer
62 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
132 views
Path to gpt.ini missing
I am seeing the 1030 and 1058 errors for a remote Windows Server 2003 domain controller. Specifically the 1058 error says:
> Event Type: Error Event Source: Userenv Event Category: None Event
...
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54 views
Viewing the “Replication” tab for a replicated folder target in the DFS “Namespaces” node in the 2008 DFS console says replication “not configured”
On a server 2008 R2 box I setup a DFS folder folder in a namespace and then manually setup it up for replication in the "replication" node of the DFS console.
Now when I go to the "Replication" tab ...
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41 views
master/slave git repository server + monitoring
I have a git sever, let's call it a master one. On this server I have bunch of git repositories, where my developers pushes their code.
What I would like to have is a some kind of slave server. ...
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1answer
65 views
Force replication of Netlogon
I have added a batchfile to the the NETLOGON directory for some start-up scripts. The script is tiny in size.
I have waited hours for the files to be replicated to the other Domain Controllers but ...
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62 views
Merge Replication fails on some tables (multiple publishers, single subscriber)
We had set up merge replication with multiple publishers and a single subscriber. The articles are four tables (similar across all four publications).
The problem is that 1 of the tables has been ...
3
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1answer
301 views
Repadmin gives operational error 58
While testing some remote DC's, "repadmin /replsummary" ended with an error of
Experienced the following operational errors trying to retrieve replication information:
58 - ...
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27 views
Syncing media folders between (windows) servers
We are running a load balanced cluster of three web servers, all running Windows 2008. On these machines we are hosting a bunch of e-commerce sites, all with several thousands articles. This adds up ...
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1answer
202 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 ...
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2answers
88 views
Is it possible to create a mysql slave from start of masters binlog without copying data first?
info: my tables are all innodb.
i know i can create a mysql slave by copying the data from master to slave and noting the position in the binlog and set that on the slave. thus the slave should be ...
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1answer
66 views
“Unable to get term attr: Invalid argument” while trying to SCP
I have to set up two LDAP servers for replication.
My problem is that when i want to copy the master-slapd's database files with scp command i get the next message after typing in the account's ...
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1answer
34 views
What's the most convenient method to ensure that PostgreSQL 9.x hot standy replication is still functioning properly
Assuming that I've got it hot server replication all set up nicely, what's the easiest or most convenient steps I can take periodically to ensure that the hot server replication is still working fine ...
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1answer
71 views
Copy Exchange Database from Passive to Active
I have a CCR running with a total of 6 servers 2 MB, 2HT, 2 CAS.
I had a failure on active node this morning and everything failed to my passive server, i had some issues with the logs, as the werent ...
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108 views
Problems connecting to workstation share
Been having a strange issue with our file replication server. It will randomly have a problem mapping to a share. This server maps to tons of other servers using UNC paths, thats the sole purpose of ...
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1answer
231 views
MongoDB replicaSet failover incurs 1000x query response time increase
I'm testing a production MongoDB replica set failover. When I manually fail one of the instances I see an approx. 1000x (one thousand x) decrease in response times of my PHP queries.
I'm on the ...
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205 views
FreeNAS replication over a WAN link
I am redesigning a network as such: One Server 2012 essentials domain controller and three backup servers spread over three geographical locations (one of which will be with the DC).
For the purpose ...
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101 views
How to use Unison or rsync for one to many sync-scenario?
There are some folder that I want to integrate to one folder on the remote end. This is the sample structure from the source folder:
c:\Repli\Folder1\file1.txt
c:\Repli\Folder1\file2.txt
...
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2answers
79 views
Synchronisation between MySQL databases on different hosts
I want to solve a data replication/data sync problem between two MySQL server instances. Both of them have the same database structure (databases, tables, columns, everyting ...) but each of them has ...
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1answer
130 views
Change DFS Replication scheduled time?
Is it possible to change the scheduled time for DFS replication between replication partners on Windows Server 2008?
We have a backup that runs hourly and interferes with the replication. I then get ...
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1answer
44 views
AWS ElasticCache - Cross Site - Disaster Recovery
I'm using AWS ElasticCache (MemCached) and can see how instances can be created at different data centers/sites. (eg: singapore A or B)
There is no AWS Automatic Replication of ElasticCache from ...
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1answer
65 views
Easiest way to replicate users between two (or more) servers?
I've got two webservers which takes part in a load balanced setup. The two webservers are in other words mirrors of each other.
As it is right now I'm synchronizing data between these two servers ...
1
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1answer
59 views
Is failover with only two servers possible?
I'm trying to set up a basic high-availability solution with HAproxy and mysql. Currently it looks like this
In case of host1 failing, the host2 is supposed to get it's IP and traffic (using feature ...
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13 views
SQL Replication Help
I have a sql 2008 server using trans replication to a reporting server one way.
My question is if I want to restore a copy (with different name) of the publisher database from backup of the live ...
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27 views
SQL one way append replication
Let me describe the setup. There is one production database that is being filled with data on the daily basis.
We want to create replica (trans log shipping?) of the database on the other SQL server. ...
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1answer
142 views
MySQL replication re-sync
I'd like to set up a zero-maintenance hands-off MySQL replication regimen for backup purposes.
It's been my experience, though, that these things inevitably eventually get out of sync. Perhaps it's ...
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1answer
205 views
MySQL error 2003 over ssh tunnel when replicating, not when using client
I am trying to set up replication on a MySQL server over an SSH tunnel. I've set up a port forward on the slave from port 7777 at localhost to port 3306 on the master, and I can connect to my ...
