- Create a partition on each server:
sudo lvcreate -m1 --nosync -L 4192m --name TunaData /dev/SalmonGuests
sudo lvcreate -m1 --nosync -L 4192m --name TunaData /dev/grouper
Note that this is for a 4096M (4G) partition that will be copied.
- Add new resources to /etc/drbd.d/*.res, and copy it to each.
resource tuna_r3 {
on grouper {
device /dev/drbd3;
disk /dev/grouper/TunaData;
address ipv6 [2607:f0b0:f:9::10]:7791;
meta-disk internal;
}
on salmon {
device /dev/drbd3;
disk /dev/SalmonGuests/TunaData;
address ipv6 [2607:f0b0:f:9::11]:7791;
meta-disk internal;
}
}
- Reload DRBD on each:
sudo /etc/init.d/drbd reload
- Create the meta-data on both systems:
sudo drbdadm create-md tuna_r3
- Mark the resource as up:
sudo drbdadm up tuna_r3
sudo drbdadm primary tuna_r3 --force
- Copy the disk image in:
someotherserver% sudo dd if=/dev/grouper/TunaData | pv | nc -l -p 9988
nc -w 10 someotherserver 9988 | pv | sudo dd of=/dev/drbd/by-res/tuna_r3 conv=sparse