Pacemaker cluster does not cleanly failover DRBD-resource (but …
Jun 20, 2023 · I had to upgrade a cluster from Ubuntu 16.04. It did work fine on 18.04 and 20.04 but now on 22.04 it does not failover the DRBD-device. Putting the resource into maintenance …
DRBD config to automatically resolve any split brain
Aug 31, 2023 · I want to configure the DRBD in such a way that it will always resolve any split brain and always have at least one node which is primary and able to serve in any case as …
linux - DRBD Not syncing between my nodes - Server Fault
I've used DRBD 8.3.7 on a 2.7TB partition on a pair of machines running Ubuntu 10.04.4 LTS since 2010, connected with cross-over cables, without major problems with split-brain.
How to get DRBD to automatically start after reboot, mount …
Dec 10, 2018 · DRBD simply doesn't start but manually doing /etc/init.d/drdb start works fine on both servers. Also I'm unsure if I can just add the DRBD volumes to fstab because surely it …
Is DRBD the only viable block replication solution for Linux?
Yes, DRBD is the only replicated block device out there that can handle concurrent writes. If you plan to put a filesystem on top, it obviously needs to handle multiple writers as well, like GFS …
drbd: quorum and dual primary for ocfs2 without fencing?
Mar 12, 2023 · Dual primary is limited to only two nodes. See this warning in the DRBD user's guide. In DRBD 9.0.x Dual-Primary mode is limited to exactly 2 Primaries for the use in live …
Installed DRDB Utilities but there is no /dev/drbd0 device
Apr 2, 2019 · You have created the meta-data for the device, but you then must bring the DRBD resource/device "up". You can do this with either the command drbdadm up r0, or via the …
Can't run drbdadm up with DRBD 8.4 on CentOS 7.3
Jul 20, 2017 · Touching DRBD's backing disks can introduce inconsistencies that DRBD will be unaware of (until you run a verify or otherwise overwrite the block). Keep reading LINBIT's …
Can't start drbd service and can't set primary node with DRBD 8.4 …
Jul 19, 2017 · What does systemctl status drbd report? Does journalctl -u drbd report any clues? What about cat /proc/drbd? I imagine the logs should provide some clue as to why it didn't …
linux - Setting up DRBD with only one node - Server Fault
Jul 5, 2016 · I can't even start the drbd service as the other "node" doesn't even exist yet... I'm starting up from a previous drbd configuration that worked fine... with two available nodes.