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Questions tagged [drbd]

Use for DRBD, a distributed replicated storage system for the Linux platform.

DRBD® refers to block devices designed as a building block to form high availability (HA) clusters. This is done by mirroring a whole block device via an assigned network. DRBD can be understood as network based raid-1.

See http://www.drbd.org/

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DRBD Split Brain best scenario

I have 2 drbd node (primary/secondary) and I try to solve split brain without any lost data. Running : Drbd(8.9.10-2), Pacemaker, Corosync, Postgresql My auto solve config: net { after-sb-0pri discard-zero-changes; after-sb-1pri…
Mr. Tux
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Crm cluster cannot mount drbd after switching

Here my freepbx active/passive cluster. it works on proxmox hypervisor. After turn off master, res_filesystem_1 on the second node does not start. drbd does not mount. and services that uses drbd didnt start. i have many errors then i show…
Павел Ламанов
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DRBD with temprorary hostname change

I have set-up a test 2-node HA cluster for an application which writes data to local disk. DRBD has been set up for this to sync the data onto the 2nd node. My application is having dependency on the hostname to start/stop and perform any task. To…
gagan4005
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GitLab High Availability (Active - Passive)

My client asked me for a high availability solution for GitLab using two data center. After to read documentation and to use google, I´m very very lost. The GitLab documentation for High Availability with active active seems good but the active…
Daniel Majano
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Pacemaker - Resource (dummy) not execute my script on failover

I use Pacemaker+Corosync to handle my cluster. DRBD+FileSystem+IPADDR resources configured sucessfully and running propertly. my purpose now it to execute my own script (actually to start oracle service) when failover is happening. As I saw in few…
Lidor Aviman
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loading drbd module in centos 6.7

[root@NAS1 ~]# yum install -y kmod-drbd84 drbd84-utils Loaded plugins: fastestmirror, refresh-packagekit, security Setting up Install Process Loading mirror speeds from cached hostfile **--> Processing Conflict:…
jooShin
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drbd sync fails with ProtocolError

I currently have a pair of drbd servers that have decided to stop syncing and I can't seem to do anything to get them to sync up again. The sync process occurs over a dedicated crossover cable (1gbps copper) between the two servers. Here is what I…
Michael Johnson - MJ
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How to combine DRBD, OCFs2 and LUKS?

I searched on the web a definitive answer to the following question but couldn't find a clear YES or NO, or a clear procedure on how to enable this approach! In a two nodes setup, with DRBD as the block device replication technology, with OCFs2 as…
Djurdjura H.
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How to have multiple hostnames in single ansible template?

I want to generate a file which is the same on two hosts and contains both host names, e.g.: resource r0 { on host01 { device /dev/drbd0; } on host02 { device /dev/drbd0; } } I tried to achieve this with a template such as the…
loris
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How to sync configuration files in Tomcat cluster?

I have a Tomcat cluster (Apache httpd front-end, proxying a Tomcat cluster), with 2 nodes in the backend, everything on Windows server 2008. The Tomcat nodes serve a webapp, which has some configuration files in their respective instance…
Alavalathi
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DRBL cluster with Open MPI 1.8.4

When virtual/diskless node is used on DRBL cluster using Open MPI version 1.8.4, the error occurs: Error: unknown option "--hnp-topo-sig" I guess something with the topology signature and looks new. Any suggestions? Typical command: mpirun…
feo
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MariaDB Galera ? Percona ? DRBD ? Why not simple replication?

I need redundant Mariadb or Mysql solution, i tested : Mysql + DRDB + Pacemaker (currently in production) Mariadb Galera Percona XtraDB I need a solution that goes everywhere and Percona and Mariadb need Innodb engine for replication. I found DRBD…
LeDistordu
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DRBD Too many messages after /sbin/drbdadm verify kernel: block drbdX: Out of sync:

In all the systems that I am working with DRBD after verification that there are many messages in the log. kernel: block drbd0: Out of sync: start=403446112, size=328 (sectors) In some system might think it is by the workload, but there are some…
abkrim
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Install DRBD binary package for CentOS in RHEL v5 64 bit

i want to ask , i have installing DRBD binary package for CentOS on RHEL v5, there is 2 files. 1. drbd83-8.3.13-2.el5.centos.x86_64.rpm 2. kmod-drbd83-8.3.13-1.el5.centos.x86_64.rpm first i execute drbd83-8.3.13-2.el5.centos.x86_64.rpm file with…
Fauzi Achmad
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mysql Master-Master Replication or drdb heartbeat

Im db replication newbie. Im planing to add replication and failover features to our database system. I have read toons of docs talking about scale-out or scale-in db systems and im a bit confused. Currently i have only one data base stored in one…
user1654306
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