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  1. First, you should STOP tomcat on the new old server.  These steps require the site to be down.

  2. The database data - Make sure to export the database data from your old DSpace site using a tool like "pg_dump" (for PostgresSQL).  If you use "pg_dump", you'll end up with a large SQL file which contains all the data from your old database. 

    Code Block
    # Example of using pg_dump to export a database to an output file
pg_dump -U [db_username] [db_name] > [output_file.sql]


  3. The "assetstore" folder - This folder is in your DSpace installation directory and it contains all the files stored in your DSpace.  You will need all the contents of this folder (including all subdirectories), so you could choose to zip it up or you could copy it over directly.
  4. The Solr data (optional) - Both DSpace authority and statistics are stored in Solr. If you want to keep these, you will want to export them from the old Solr and move them over.  Use the "solr-export-statistics" tool provided with DSpace:  see "Export SOLR Statistics" in the Solr Statistics Maintenance guide.   (Requires Solr to be running. Keep in mind, this may require you to start Tomcat back up if Solr is running in Tomcat.)

Step 3: Copy over the prepared data and import it into the new DSpace

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