DRBD refers to block devices designed as a building block to form high availability (HA) clusters.

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Create new physical volume using lvm

I have Linux Mint 17.2 codename Rafaela running as a virtual machine with a disk size of 30GB. I used the default LVM installation. I would like now to create a physical volume /dev/drbd0 to use it in ...
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DRBD device names and numbers

I am trying to deploy a DRBD setup. I am using two virtual machines running CentOS 6.6. It is quite unclear to me how should the drbd configuration file should look like. I am using the following ...
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Bad DRBD Performance

I am going currently going nuts because of slow DRBD performance and after many hours trying different parameters I cannot find the problem here. I hope someone is able to help. Regardless of how I ...
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DRBD Failure: (127) Device minor not allocated

I use wmware workstation to run two virtual machines with OpenVZ 2.6.32-042stab108.2 installed on top on CentOS 6.6. I have created another primary partition, /dev/sda4, to configure it as drbd ...
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Move Root Folders to DRBD

What folders in the root folder ( "/" ) cannot be moved to a clustered file system (using DRBD and probably GFS2)? Would like to setup a basic cluster to increase uptime for our file server, web ...
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Why did Red Hat drop support for DRBD beginning with RHEL 7?

Does anybody know the reasons why Red Hat decided to drop support for DRBD beginning with RHEL 7, thus favoring GlusterFS as the preferred solution for network-based replication / mirroring in a ...
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drbd can't start resync

This is my situation On both nodes cat /etc/drbd.d/* resource clustervol { device /dev/drbd1; disk /dev/sdb1; meta-disk internal; on iscsi1 { address 192.168.0.30:7790; } on iscsi2 { address ...
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Float MAC address in Heartbeat format

It's been about a month where I've been working with "High Availability" on Elastix based on DRBD and Heartbeat. As you maybe be familiar with it, there is a file in Heartbeat called haresources ...
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CentOS 6 drbd is not available

In CentOS 6 (6.6), the drbd package is not available, neither from the extras repository. There is some information on the Net, like configure-drbd-centos-6-5, which I assume will work on CentOS ...
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Installing DRBD on Redhat 5

I am trying to install DRBD on Redhat 5. Everything i find is out of date, and all the files are not hosted anymore. From what I understand I need to install the Cent OS repositories to install DRBD ...
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DRBD8 and GFS on CentOS5

I am trying to combine DRBD8 and GFS2 on CentOS5. Is there any possibility to do this without using a mulicast-cluster underneath? (CentOS seems to use AIS) This is a two-node-cluster, so a simple ...