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If you need to move a large volume of data, you can do so using a Globus endpoint. DME uses Globus for high performance transfer of large files. Endpoints represent locations on a file transfer service server, such as Biowulf or gridftp. In DME CLU or GUI, you can choose to use Globus for file transfer. . A prerequisite is a guest collection.

For narrated slides demonstrating these instructions, refer to prep-Globus-slides.pptx.

To prepare a Globus endpoint:

1. If you do not already have a shareable Globus endpoint, contact NCIDataVault@mail.nih.gov and request one. 

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   When people send messages to the NCI Data Vault inbox, requesting an endpoint, Udit usually asks them various questions. I asked about including those questions here, but Sunita said most of them have never seen this page. People usually see this page after the DME team has talked with them.

2. Log into Globus at the following site:
   http://www.globus.org

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   Use your NIH user account credentials as described in the following page:
   https://docs.globus.org/how-to/get-started/

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3. If you do not already have a guest collection in Globus, create one:

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   Expand title Instructions to Create a Guest Collection In the Globus File Manager, search for NIH HPC Data Transfer (Biowulf). This is a public endpoint.  Image Added In the search results, in the row for NIH HPC Data Transfer (Biowulf), click the collection details icon (Image Added). The details page appears. On the Collections tab, click Add Guest Collection.  Image Added On the Create new guest collection page, browse to or specify the path to the directory where you want to save your data. Click Create Guest Collection.  Image Added

4. Share your Globus endpoint:

   1. In the Globus File Manager, navigate to the list of endpoints collections by opening the side bar, clicking Endpoints Collections, and then clicking Shareable by You. 

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   2. Select the endpoint you want to useyour guest collection. Access the sharing configuration for that endpoint collection by clicking Permissions. 

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   3. Add permissions by clicking Add Permissions - Share With. In the Share With field, select the option to share with a group. Click Select a Group.

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   4. Search all groups for "HPCDME-" and select the appropriate Globus group for the DME tier you intend to use: 

      Production: HPCDME

      HPCDME-PROD-App-Accts-Pool-FNLCR group. 

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      Expand title Instructions to Use UAT

      UAT: HPCDME

      If you intend to use the UAT tier of DME, select the HPCDME-DEV-App-Accts-Pool-FNLCR group.

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   5. Select the appropriate permission for the selected group: If you intend to download to download data from DME to the Globus endpoint, select the write permission. If you intend to only upload data from the Globus endpoint to DME, select the read permission.

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   6. Click Add Permission. The system adds the HPCDME Globus group to the list for the current share.  

Now you can upload register or download data in the GUI as described in the following pages:

• Uploading Data in Bulk via the GUI
• Downloading a Single Data File Registering from a Globus Endpoint via the GUI
• Downloading to a Collection Globus Endpoint via the GUI
• Downloading Multiple Data Files via the GUI
• Downloading Multiple Collections via the GUI

To upload To register or download data via CLU, refer to the additional prerequisites described in Getting Started with DME CLU.