Backup/restore grafana server

I get the following migration error when starting grafana on the new server.
I’ve confirmed the versions and configs are matching.

t=2017-03-17T13:40:43+0000 lvl=info msg=“Starting Grafana” logger=main version=4.2.0-pre1 commit=9efb6e7 compiled=2017-03-07T15:03:54+0000
t=2017-03-17T13:40:43+0000 lvl=info msg=“Config loaded from” logger=settings file=/usr/share/grafana/conf/defaults.ini
t=2017-03-17T13:40:43+0000 lvl=info msg=“Config loaded from” logger=settings file=/etc/grafana/grafana.ini
t=2017-03-17T13:40:43+0000 lvl=info msg=“Config overriden from command line” logger=settings arg="default.paths.data=/var/lib/grafana"
t=2017-03-17T13:40:43+0000 lvl=info msg=“Config overriden from command line” logger=settings arg="default.paths.logs=/var/log/grafana"
t=2017-03-17T13:40:43+0000 lvl=info msg=“Config overriden from command line” logger=settings arg="default.paths.plugins=/var/lib/grafana/plugins"
t=2017-03-17T13:40:43+0000 lvl=info msg=“Path Home” logger=settings path=/usr/share/grafana
t=2017-03-17T13:40:43+0000 lvl=info msg=“Path Data” logger=settings path=/var/lib/grafana
t=2017-03-17T13:40:43+0000 lvl=info msg=“Path Logs” logger=settings path=/var/log/grafana
t=2017-03-17T13:40:43+0000 lvl=info msg=“Path Plugins” logger=settings path=/var/lib/grafana/plugins
t=2017-03-17T13:40:43+0000 lvl=info msg=“Initializing DB” logger=sqlstore dbtype=sqlite3
t=2017-03-17T13:40:43+0000 lvl=info msg=“Starting DB migration” logger=migrator
t=2017-03-17T13:40:43+0000 lvl=eror msg=“Fail to initialize orm engine” logger=sqlstore error=“Sqlstore::Migration failed err: unable to open database file\n”