Scratch Disk PDF Print E-mail

There is extra disk space to use for data that doesn't need to be backed up and is too large to fit in the user disk quota.

This disk space is available over the network and is accessible by default on the computer lab machines. On the Windows lab machines this appears as Drive S: (scratch). On Linux and Mac lab machines it's in /fs/scratch.

If you use scratch,  please follow these guidelines:

  • Create a sub-directory for your data named the same as your EES system user name. Don't clutter the main directory with files.
  • Don't hog the space. Check to see how much space is available before adding large amounts of data.
  • If the scratch directory gets full, it will need to be cleaned out and oldest files will go first.
  • REMEBER, the scratch directory is not backed up! Only keep data that is replaceable from another source in scratch.

Other machines on the NMT network can also connect to scratch as follows:



For users of Microsoft Windows, access to scratch can be achieved by selecting the run command from the main menu and typing in


Where your actual EES account log in name is to be substituted for scratch. You will be prompted for your EES system password. This will open a Windows Explorer window that shows the contents scratch. Alternatively, you can choose My Computer and then Tools -> Map network drive. Pick a drive letter and fill in \\\scratch as above. If you use a different log in name on your local computer, you'll also need to click on the Connect using a different user name link in that same dialog. If you check the Reconnect at log on, scratch will automatically be available when you log in.


Mac access to scratch can be achieved by

  1. Click on the Finder icon

  2. At the top of the screen you will see Go in the menu bar. Click on it and go to Connect to Server

  3. A new window will appear. In the box labeled Server Address: enter



  4. Click Connect
  5. You may be asked for your password, if so enter it and press OK.


Linux can use Samba utilities to connect to scratch.

  1. smbmount: Create a directory anywhere under your home directory for the file system mount, e.g.

    mkdir ~/mnt

    Then use the smbmount command to mount scratch to that directory.

    smbmount // ~/mnt

  2. You will be prompted to enter your EES user name and password. If this is successful, you will see the contents of scratch in ~/mnt. You can use any name instead of mnt.

  3. smbclient: This works like a ftp client. This is handy to get or put a few files from the scratch directory. See the man page for smbclient. Basic usage is

    smbclient //

    You will be prompted for your EES user name and password. The result will be the smbclient prompt and you can type a ? or help at the prompt to see a list of commands. Type help to get specific help for a listed command.

    You may need to install these utilities to your Linux system. Consult your particular distribution, but typically these are in packages like samba-client (Red Hat, Debian, and Ubuntu).

  4. Some distributions also have GUI tool typically called Connect to Server under the Places menu to make connections using samba.


    You will be prompted for your EES user name and password.




Created: ( Thursday, 10 February 2011 14:12 )
Last Updated: ( Thursday, 10 September 2015 13:43 )
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