Sounds like you have lost either the database or the home directory, and possibly both. There's no point proceeding with an attempt to re-install or recover until you know what has done this damage and why.
Check the system logs to see what has been done.
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
We're bringing product updates and pro tips on teamwork to ten cities around the world.Save your spot