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
39 views

LDAP Replication

I'm trying to use LDAP Sync Replication. I must grant rights to my account replicador. This is my ldif: dn: olcDatabase={1}hdb,cn=config replace: olcAccess olcAccess: {0}to attrs = ...
5
votes
2answers
251 views

Can you sync two different domains on MS DNS server?

Lets say you are running a domain X, but want your internal DNS server to handle requests for both domain X and domain Y such that if machine1.X resolves to a.b.c.d, that machine1.Y would resolve to ...
0
votes
2answers
1k views

No SYSVOL\NETLOGON on 2012 STD DC Server

I have 2 2012 servers. I found out there's no share of neither SYSVOL nor NETLOGON on the BDC. I'm getting many 5002: The DFS Replication service encountered an error communicating with partner ...
0
votes
2answers
282 views

Issues with LDAP backend in OpenLDAP

Good Morning; After working on setting up an LDAP proxy server to replicate LDAP data, I keep getting the following message: 52a0b5ca send_ldap_result: conn=-1 op=0 p=3 52a0b5ca ...
1
vote
2answers
299 views

Unable to Delete User Object in AD windows server 2008

OS - Window Server 2008 ( Domain Controller ) One User Object in AD is Creating Problem as well as i am unable to delete it manually also. Please see the below Error. In Event viewer i am getting ...
1
vote
2answers
370 views

Static master in Redis replication

I'm running replicated Redis that includes a master and just one slave. My goal is to implement a replication (using Redis sentinels) in which the slave becomes master when the master goes down, but ...
-1
votes
2answers
106 views

Secure communication between two hosted dedicated servers? [closed]

I'm planning to host a site on a pair of dedicated servers (both running IIS/SQL Server with SQL replication). Since the hoster only provides a public IP on each machine, how would I secure ...
3
votes
2answers
527 views

pg_archivecleanup not found Postgres 9.1, even though it is installed?

I have streaming replication setup on 2 Postgres 9.1 servers. Everything is ok apart from the archivecleanup. In the logs it says: sh: 1: pg_archivecleanup: not found 2013-11-19 09:17:37 GMT WARNING: ...
1
vote
0answers
264 views

Replication issue caused by bad DNS entry in _msdcs

We have 3 DCs in our domain. One of the DCs died (wouldn't boot) two weeks ago. We performed metadata cleanup to remove the old DC from AD. Then we built a new DC with a new name (we used the same IP ...
0
votes
1answer
91 views

replica between dc failed

I have 2 dc windows 2003: one is the master and it is called dc, the other is called fs and it is not synchronized with the master. On the fs server I stopped the service netlogon because I have had ...
3
votes
2answers
446 views

postgresql slave to master table replication

I currently have a few dozen sites pushing data to a central database over VPN with rsyslog. All these records are going into one table (there are roughly 20 - 30 per second being inserted per site). ...
0
votes
3answers
999 views

Sync directory across two servers using rsync (or alternative for syncing directories)

I have two VMs that should have identical files in this directory: /var/www/owncloud/data/admin/files/ I initially thought that I could use rsync with cron to copy the files every two minutes: On ...
0
votes
1answer
62 views

MySQL Replication fix after server shutdown/start

Server1 is Master Server2 is Slave Both are in our AWS testing env and we stop them once done with our work. When start again, Master rotates/creates new binary log file but slave keep looking for ...
1
vote
1answer
283 views

Changing MongoDB Oplog size

while loading data to mongodb, I keep getting "error RS102 too stale to catch up"... After research I found that my default oplog size for a 32 bit linux machine is too small. I would like it to be ...
1
vote
1answer
269 views

glusterfs mounts get unmounted when 1 of the 2 bricks goes offline

I have an odd case where 1 of the 2 replicated glusterfs bricks will go offline and take all of the client mounts down with it. As I understand it, this should not be happening. It should fail over ...
0
votes
0answers
20 views

Logging Apparently Not Working - Can't Set Configure Replication

I'm using a tutorial to set up a master (single) slave setup. When I run the command show master status; I get Empty set (0.00 sec). I have done a lot of research and believe that the log file I have ...
1
vote
1answer
119 views

Server 2012 DFS Replication throttling values

Is there any way, via registry edit or something, to throttle the replication throughput by values other than what is listed in the drop-down menu? I would particularly like a 10Mbps or 12Mbps option. ...
3
votes
1answer
1k views

Redis sentinel + HAProxy failover

I am looking to implement a HA redis implementation using Master-Slave redis servers. The web servers will connect to these through an HAProxy instance installed on each box. The situation is easy ...
1
vote
1answer
28 views

re-enabling a table for mysql replication

We were able to setup mysql master-slave replication with the following version on both master/slave: mysqld Ver 5.5.28-29.1-log for Linux on x86_64 (Percona Server (GPL), Release 29.1) One day, ...
0
votes
1answer
89 views

How to run a safe, responsible, fast MySQL backup

I've been tasked with assorted maintenance of a DB. I have very little experience with MySQL, so pardon any ignorance :) Two (well, four) related questions: The DB is supposed to be replicated to a ...
0
votes
1answer
35 views

Mysql Db replication

I have the following setup: 3 servers, B1, B2, B3. A database from B1 is being replicated to B2. B1 is master and B2 is slave. Now, I want an another database from B2 to be replicated to B3. I need ...
0
votes
1answer
198 views

Is there a way to synchronize my distributed storage infrastructure with file changes possible on each location? [closed]

I need a storage device in 3 different location. Each device will have 4TB of storage. At least 2TB should be a 'shared folder' working like Dropbox: when a user change a file in one location, the ...
8
votes
1answer
322 views

Why would a domain controller encouter a USN rollback after an unclean shutdown?

I have this Windows Server 2008 R2 domain controller running on a physical Dell server, model PowerEdge R510. There are some electrical problems around here, thus a black-out is, unfortunately, quite ...
1
vote
1answer
1k views

how to install pg_archivecleanup for postgresql 9.3 on Ubuntu

I am trying to get streaming replication working with postgresql 9.3 on Ubuntu 13.04 (Raring Ringtail). I installed postgresql on master and slave by doing: apt-get install postgresql I believe ...
1
vote
1answer
576 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
170 views

Replication of files between a windows server and a NAS

I am planning some improvements to my server infrastructure and I have encountered a potential problem. I currently use dfs replication to sync files between 3 windows servers at 3 different sites. ...
1
vote
1answer
114 views

Best PostgreSQL HA strategy for 99% read scenario?

I'm in the process of building out a new PostgreSQL (9.3) environment in which traffic hovers around 99% read. We'll have 2 very powerful machines, connected via 1Gb ethernet. With the multitude of ...
0
votes
1answer
329 views

OpenLDAP: recommended way to add a new server to a replicated multi-master setup

I have previously set up two servers with multi-master replication, using the cn=config configuration format (I think I've seen it referred to as 'OLC'?). It was a process similar to this (although ...
0
votes
0answers
31 views

Files changes sporadically visible in nginx - load balancer - varnish

First all of thanks in advance for taking time to read my issue, the thing is that I got a full 32 servers balanced with 4 load balancers, sometimes I got to do some direct changes to the site being ...
1
vote
1answer
6k 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
1answer
358 views

High Availability on Windows Azure Websites

One of my main apps is hosted on Windows Azure's Websites platform. Given Friday's downtime, I realized that I need something that allows my app to stay online if Azure has an outage again. My ...
0
votes
1answer
158 views

admin4.nsf set to future date after replicating with one of the server?

1) admin4.nsf set to future date after replicating with one of the server? 2) date is set to future now November 2013 3) tried clearing replication history, didnt help 4) tried to create a local ...
6
votes
4answers
723 views

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 ...
0
votes
1answer
48 views

replicate directory structre with 100k files to tens of windows machines

I have a directory structure with thousands of directories and around 100k files. (Actually it is a large java project's source tree). I have to replicate this to 10-20 windows machines. What I do ...
0
votes
2answers
218 views

MySQL geographic replication cloud

I currently have a standard local LAMP setup, (2 web servers, master/slave MySQL, load balancer). This is severing me well locally, but my global users experience slowness. I want to setup some ...
1
vote
0answers
57 views

When CopyQueueLength is high, how do I control which server is the source?

When I have a DAG with copies spread all over the world, and the initial seeding is already complete, how does Exchange control which server is used to fulfill the outstanding CopyQueueLength logs ...
-1
votes
1answer
58 views

Replicate server to another enviroment

I am adopting a new enviroment for my application in production. My old env has a lot of configuration, like e-mail server, application server, database, java plataform, etc. I would like to replicate ...
4
votes
2answers
537 views

How to change the master in a MongoDB cluster without restarting the process?

Reading the documentation of MongoDB about how to configure a master-slave configuration of a cluster (our cluster will have more than 12 nodes, so unfortunately we can't have a replica-set ...
0
votes
0answers
47 views

Can Active Directory notify my on changes?

We have a corporate Active Directory and a secondary service that contains user profiles from Active Directory. We have a regular Sync Operation that copies stuff from Active Directory to our profile ...
2
votes
2answers
397 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 ...
7
votes
2answers
447 views

How can I save a domain controller after a USN rollback without rebuilding the whole server?

Today I had (again...) to lobotomize a domain controller which had suffered the dreaded USN rollback; the standard solution to this issue is to demote it and then promote it back again, but the main ...
1
vote
1answer
270 views

What are the options for any SQL Multi Master Master replication?

I am looking for a proper way to do Multi Master Master replication. I am currently using MySQL but open to switching to Postgres or Oracle if needed. So far the only solution I find is ...
1
vote
1answer
697 views

“Could not create IPv6 socket” postgresql standby error

I'm trying to create Postgresql 9.1 hot-standby using following steps: Configured 2 virtual linux machines. Master's ip: 10.10.10.1, Standby's ip: 10.10.10.2. Ping test passed. Restored the same db ...
1
vote
1answer
525 views

MariaDB replication not auto reconnecting

I've got a simple master-slave replication setup amongst two MariaDB 5.5 servers. The connection between the servers is somewhat flaky, causing disconnections every now and then. However ...
0
votes
1answer
214 views

How can I synchronize users in a master-slave server setup on debian squeeze?

I'm currently setting up a 1:1 replication of a linux server. To simplify the process of updating users and groups I considered changing the uids and gids on the slave server to have them all like on ...
1
vote
2answers
73 views

Switching SQL Server Replication Publication

I have a production database hosted on SQL Server 2008R2 Standard that is replicated to a second server running the same version of SQL server via a subscription to the production database. The ...
2
votes
1answer
2k views

Configuring openldap multimaster replication using cn=config

We currently have a single OpenLDAP server using the cn=config backend. We'd like to add a second OpenLDAP server and configure them for multimaster replication. What do we need to do to enable ...
0
votes
1answer
186 views

Group policy central store replication

Should i care about replication traffic, generated by group policy templates central store? Do templates, stored there, replicate with client machines?
0
votes
1answer
529 views

Session replication in Tomcat

I have setup my cluster with one loadbalancer and 2 nodes with sticky session. I am using mod_jk for loadbalancing. I am having problem with proper session replication. I am using Tomcat 6. When I ...
1
vote
0answers
332 views

Server 2012 DFS New Member Issue

I am trying to add a new member to our DFS topology. We have 3 DCs (VMs - VMware) running Windows server 2012, two servers are located in or Primary site and the third at our DR site. Currently the ...