# add partition to virtual machine witout one

gnt-instance stop omp
gnt-instance modify -t plain omp

## on node which hosts omp

lvs -o name,tags | grep omp

./lv-insert-part.sh /dev/oscarvg/c796b71f-6d4b-412d-9fa9-2d546945f488.disk0_data

## on master node

gnt-instance modify -H root_path=/dev/vda1 omp

gnt-instance start omp

## on instance omp

- check /etc/fstab and update rootfs using blkid or label

apt-get install grub-pc

grub-install /dev/vda

- if there is error, wipe space up to first partition

dd if=/dev/zero of=/dev/vda seek=1 count=2047

grub-install /dev/vda

- modify /etc/default/grub to include serial console

GRUB_CMDLINE_LINUX_DEFAULT="console=ttyS0,38400"
GRUB_TERMINAL=serial

update-grub

## on master

- boot from disk

gnt-instance modify -H initrd_path=,kernel_path= omp

gnt-instance reboot omp

- rebuild drbd

gnt-instance stop omp

gnt-instance modify -t drbd -n r1u32 omp

gnt-instance start omp