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

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38 views

100% CPU utilisation and hang after virsh migrate

I've been experimenting with ZFS + DRBD + live migration (I want to understand it well enough to write my own automation scripts before I start playing with ganeti again, and then openstack cinder). ...
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2answers
68 views

MySQL Server monitor_20000 on node1 'not running' - HA Cluster - Pacemaker - Corosync - DRBD

I get this Error after finishing configuring cluster. And after trying to fail-BACK from node2 mysql_service01_monitor_20000 on node1 'not running' (7): call=20, status=complete, exitreason='none' ...
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1answer
56 views

Xen + DRBD + Pacemaker on Centos7

So my current environment is centos7 on a pair of identical bare metal servers. I've installed drbd and carved up 3 x 100G block devices for DRBD to mirror. Then I installed a Centos7 image on one of ...
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1answer
77 views

DRBD - 'node1' not defined in your config (for this host) - Error when setting Primary [closed]

I am getting the following error when trying to set the Primary node for DRBD. 'node1' not defined in your config (for this host). I know this is related to DNS/Hostname/Hosts and the config ...
1
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1answer
57 views

Umask not respected in OCFS2 filesystem

I encountered some strange behavior on a machine that uses a replicated block device (via DRBD) along with OCFS2 to allow concurrent mounts on multiple machines. The issue, in short, is that new files ...
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1answer
154 views

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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762 views

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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1answer
139 views

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 ...
0
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1answer
580 views

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 ...
1
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1answer
484 views

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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0answers
216 views

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 that'...
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1answer
1k views

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 6.6....
3
votes
1answer
779 views

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 ...
1
vote
1answer
114 views

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 ...