Backup and Restore Gitlab (omnibus only)

To backup gitlab files:

 gitlab-rake gitlab:backup:create  

The backup will be placed in: /var/opt/gitlab/backups

To restore the backup, one can use these commands:

 gitlab-ctl stop unicorn  
 gitlab-ctl stop sidekiq  
 gitlab-rake gitlab:backup:restore BACKUP=<timestamp>  
 gitlab-ctl start  
 gitlab-rake gitlab:check SANITIZE=true