[DRBD-user] Is this configuration a bad idea?

Rabin Yasharzadehe rabin at isoc.org.il
Thu May 7 08:36:11 CEST 2015

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.

We use DRBD to sync LVM volumes. so i don't any problem to sync a partition.
just point to the block device which you like to sync, but make sure that
al the R/W are done to the DRBD device and not directly to the partition it


On Wed, May 6, 2015 at 8:15 PM, Dan Craciun <dany.craciun at gmail.com> wrote:

> Hi,
> I have 2 servers running about 10 OpenVZ containers and 4 KVM VMs, using
> Proxmox as a frontend.
> Both servers have 1TB hdds, mirrored using zfs.
> I'm considering adding high availability to this setup.
> My idea: configure a third server as a backup and use DRBD to mirror the
> data from both servers over the network.
> Most guides I've seen on the Internet assume you're going to use full
> disks for DRBD mirrors.
> In this case, I would create a partition on each server (200-300 GB) and
> use DRBD to constantly mirror data on the third server.
> Is this setup possible? The third server would have 2 different DRBD
> partitions.
> What do you recommend running on top of the DRDB partitions? ext4?
> Thank you.
> Best regards,
> Dan
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