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Globus: high speed file transfer

Note: On 2013-11-14, Globus Online is renamed Globus (www.globus.org).
Note: On 2014-12-22, new endpoints are hoffman2#dtn1.hoffman2.idre.ucla.edu and hoffman2#dtn2.hoffman2.idre.ucla.edu

The Hoffman2 Cluster is pleased to offer free, high-speed file transfer service through Globus.

Globus is a software tool to transfer files across the web in a reliable, high-performance and secure way. It provides fault-tolerant, fire-and-forget data transfer using simple web or command line interfaces. It is appropriate for transferring very large files.

Globus was formerly called Globus Online before 2013-11-14 (www.globus.org).

You can use Globus to transfer files either between your desktop machine and a remote machine like the Hoffman2 Cluster, or between two remote machines on which you have accounts. For example, if you also have an account at Argonne National Lab you can use Globus to transfer files between your Hoffman2 and Argonne accounts.

You need to have a Hoffman2 cluster account in order to transfer files to or from the Hoffman2 Cluster using Globus service.

In the following, we are providing information that is necessary to transfer files between Hoffman2 cluster and your personal system or any other public endpoint on Globus. If you are interested in details, please check Globus’s web site. This portal also provides a support page describing detailed setup information as well as a frequently asked questions (FAQ) for its services.

Create a Globus account

First you need to create a free, Globus account (one-time):

  • Point your browser at http://www.globus.org and click Sign Up.
  • On the Create an Account page, fill in the information (your name, email address, username, password, etc.) and read the terms, then click Register.

You will receive an email with a link which you need to follow to confirm your new Globus account.

Globus Connect software

If you want to transfer files to or from your local desktop machine, you need to download and install the Globus Connect software (one-time). You will need to do this step on each of your desktop machines whose files you want to transfer using Globus.

  1. Point your browser at http://www.globus.org and click Globus Connect. You will see a popup window in a web page. If you don’t see the popup window, click the Get Globus Connect link on that page.
  2. In Step One, click the button corresponding to your local platform (Mac OS, Linux or Windows) to download to your local desktop machine.
  3. In Step Two, enter an Endpoint Name to identify your local machine in the Endpoint Name field, (you can ignore the Description field), and click Generate Setup Key.
  4. Copy the setup key to some file and save it, since you will not see it again.
  5. Install the downloaded Globus Connect software on your local desktop.
  6. Run Globus Connect Installation (Windows: globus_connect_install.exe) for the initial setup, and paste in the setup key when prompted.

How to transfer files to or from the Hoffman2 Cluster

This section describes using the Globus web interface. If you prefer using a command line interface on your desktop, please contact user support.

    1. If you want to transfer files to or from your local desktop machine, start Globus Connect (Windows: gc.exe) on your local machine. A small status window will appear. When the connection has been made, the dot at the left of the connection will turn green. If you want to transfer files between two remote machines, you do not need to start Globus Connect.
    2. Point your browser at http://www.globus.org, click Sign In, and click Transfer Files. A web page with two Endpoint fields will display.
    3. In one Endpoint field, pull down the expand menu and select a site. If you are running Globus Connect, the first name in the list is your local desktop machine. When you select your local desktop machine, a list of your home directory files and directories will be displayed.
    4. In the other Endpoint field, either pull down the expand menu and select hoffman2#dtn1.hoffman2.idre.ucla.edu or hoffman2#dtn2.hoffman2.idre.ucla.edu or type in one of the Hoffman2 Cluster endpoint names.

When you select a Hoffman2 Cluster endpoint a popup window will ask you for your myproxy server username and passphrase. Enter your Hoffman2 username and its password. Leave the Server DN field as it is. The default Lifetime value is 12 hours. If you are transferring a large amount of data, you may need to increase the Lifetime value. Click the Authenticate button.

Your Hoffman2 Cluster home directory and its contents will display.

  1. To transfer files between endpoints, select a file or directory from each list, then click one of the large arrow buttons to tell Globus the desired direction of the transfer.

You will receive an automatic email from Globus Notification (notify@globus.org) when the file transfer has completed. To have Globus show you the status and history of your file transfers, from its Go To pull-down menu, select View Transfers.

How to mount a USB hard drive on a MAC computer

Instructions:

  1. Find out the full path of the device using the df command on a terminal window.
  2. Click the globus connect symbol (g) on your MAC laptop to open preferences.
  3. Under preferences click Access
  4. Click the + button and add the path from the df command for the USB device.
  5. Go back to the browser and replace the default path with output from the df command. It is usually something like /Volumes/Name on a MAC machine.
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