1. What Disks to Use
2. How to Copy Files to/from Hydra
   1. To/From a computer running Linux
   2. From a computer running MacOS
   3. From a computer running Window
   4. Using Globus
   5. Using Dropbox
   6. Using Firefox Send
3. Disk Quotas
4. Disk Configuration
5. Disk Usage Monitoring
6. NetApp Snapshots: How to Recover Old or Deleted Files
7. Public Disks Scrubber
8. SSD Local Disk Space

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Using this method will not sync your Dropbox, but will allow you to upload/download specific files.

2f. Using Firefox Send

• Firefox Send is a free online file-sending service (or a file exchange mechanism).
• Using this system along with the command ffsend available on Hydra (module load bioinformatics/ffsend), you can transfer files to/from Hydra without needing VPN.
• Firefox Send is a two-step process,
  1. you first upload a file (or a set of files packed in an archive) to the Firefox Send server which will generate a unique URL for the upload, and
  2. you download the file using that URL and recover the file's original name. 

You can upload up to 1GB at a time, and if you sign up for a Firefox account, that limit increases to 2.5GB.

Example 1: Sending to Hydra

a. Uploading files from your local machine (workstation/laptop) using the Firefox Send website:

1. Open the Firefox Send website (send.firefox.com) from any browser.
2. Choose a file to upload, and optionally:
   1. use tar, zip etc. to upload an archive of several files.  
   2. modify the expiration of the file (number of downloads or number of days), the default is to allow only one download and it expires within one day.
   3. add a password that's needed to download the file.
3. Copy the URL generated for your upload.

 You need to save that unique URL to get that file later. Unlike Dropbox or Google Drive, Firefox Send will not show you what you uploaded. 

b. Downloading on Hydra from Firefox Send using ffsend 

$ module load bioinformatics/ffsend
$ ffsend download https://send.firefox.com/download/7800f8272ba5ef7b/#cNSwgMaNqmdsdwG6RxM71A
Download complete

Example 2: Sending from Hydra

a. Uploading from Hydra using ffsend 

$ module load bioinformatics/ffsend
$ ffsend upload test.tar.gz                                                                         
Upload complete                                                                                                               
https://send.firefox.com/download/0324d02485dc9a02/#cxER28yNyf2dcwzwfIla6g

b. Downloading to your local machine (workstation/laptop)Optional: ffsend has options for setting a password and expiration. See ffsend help for more information.

Open the URL created on Hydra in a web browser to download the file to your local machine.

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DiskQuotas DiskQuotas

3. Disk Quotas

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