The Advanced Photon Source
a U.S. Department of Energy Office of Science User Facility

Imaging: Data Transfer

Globus Online addresses the challenges faced by researchers in moving, sharing, and archiving large volumes of data among distributed sites. With Globus Online, you hand off data movement tasks to a hosted service that manages the entire operation, monitoring performance and errors, retrying failed transfers, correcting problems automatically whenever possible, and reporting status to keep you informed so that you can focus on your research. Command line and web-based interfaces are available. The transfer process can be started and monitored from any location with an Internet connection, e.g. from the Argonne Guest House, airport, or home. Follow the instructions below to move files from the APS X-ray imaging beamline to your local machine or campus server.

Transferring Data Between APS and Your Machine
  1. If you do not have an APS account, sign up for one here:
  2. Only check the APS box (not CNM and other facilities), or your application will be held up.
  3. After you get email confirmation that you have been approved for an APS account (within a day), go to to change your password.
  4. Register for a Globus Online account.
  5. Sign in to Globus Online using your Globus Online username and password:
  6. To move data to your local machine, you will need Globus Connect. If Globus Connect is not installed on the machine that will be receiving your data, please follow the instructions below to install and start Globus Connect on that computer.
  7. Once Globus Connect is installed and running, click on the “Start Transfer” link on the Globus Online dashboard (or in the menu at the top of the page).
  8. On the Start Transfer page you can view the list of available endpoints by clicking the button next to the “Endpoint” drop down box. You must select an endpoint in both the left and right panes, i.e. a source and a destination endpoint.
  9. In the left pane choose the endpoint of the computer that will receive your data. It is usually located at the top of the list and identified as “<your-globus-online-username>#<your-computer-endpoint-name>”. If you do not see the endpoint, then either Globus Connect is not running on your computer or it is blocked by a firewall. Once you select the endpoint, you will see a list of folders on your computer. Note: On a Windows machine, to access paths and drives outside of your home directory, use the /cygdrive/[drive letter] syntax. For example, "/cygdrive/c/" lists the root directory of your C: drive.
  10. In the right pane choose the APS clutch endpoint “aps#clutch”. Note that you can type into the endpoint select box (e.g. ‘clutch’) to dynamically filter endpoints.
  11. Once you select the APS clutch endpoint, a login window will pop up (see below). You can access the APS endpoint on Globus Online by simply using your general user proposal credentials (badge and password). Enter your badge number in the “Username” field and password in the “Passphrase” field and click “Authenticate” (you may ignore the other fields). The username and password requested here are those from steps 1 and 2, if you did not previously have an APS account.
  12. Once you authenticate successfully you will see a listing of the contents of /data/tomo2/tomo. Double click on a directory to view its contents and access your data.
  13. Select a file or directory and click on the highlighted “arrow button” to initiate the transfer:
  14. To monitor the file transfer progress – or possibly cancel a transfer – click the “View Transfers” link (or select “View Transfers” from the menu bar at the top of the page). The monitoring screen will look like this:

Note: When the data transfer is completed you will receive a confirmation e-mail. From that point on we will keep your data on the APS server for three more months to give you the opportunity to make additional back ups. After three months your data will be deleted from the APS servers. If you need an extension, please e-mail your beamline contact.

Installing Globus Connect on Your Local Computer

Globus Connect enables your computer to receive data from the ALS server using Globus Online. Globus Connect is available for all major operating systems. Please follow one of the links below to install and run Globus Connect on your personal computer.

Globus Connect for Mac OS X
Mac OS X 10.4 or higher (Intel only)
Globus Connect for Linux
Linux (32 or 64 bit x86, most common distributions)
Globus Connect for Windows
Windows (XP, Vista, 7)

Note: The most frequent issue that you might face on this is a firewall blocking Globus Online from managing the transfer. Its an easy issue to fix and here’s the FAQ that explains which ports need to be open.

If you have additional questions about tansferring files with Globus Online please browse the documentation. The Globus Online support team is also available to help you with any issues you might experience. Please contact us here.