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UBC Mathematics: MathNet FAQ [Spare Storage Policy]
UBC Mathematics: MathNet FAQ [Spare Storage Policy]
Question: What are your policies regarding the use of temporary/scratch disk space?
Author: Joseph Tam
Date: Jan. 4, 2008
The following locations have been assigned for your use as part of your
MathNet IT account:
Public Unix Workstations |
Home directory: ~user or /nfs/user
Web folder: /nfs/HomeWeb/user
Email Inbox: /var/mail/user
|
Public Windows Workstations |
Contents of "MathNet" folder |
The use of any storage locations not listed above (unless assigned to you by
the MathNet IT staff) is solely at the user's discretion. Examples of spare or
scratch storage are
Unix |
/tmp, /var/tmp |
Windows |
Desktop, Temp folders, scratch disk |
These storage locations are typically used for transient files or for
bulky data that may exceed the user's quota. No attempt will be made by
the IT staff to maintain, secure or retain this data. The users of these
storage areas bear all the risks and disadvantages of its use, including
- Data is local to that computer: you cannot access it readily
from other computers. If you need to share data across several
computers, store it within your home directory (Unix) or the
MathNet\Common folder (Windows). For the latter, you will need
to set up your Samba account.
- Data is not backed up: if you lose it, it stays lost.
- Data will not migrate: when your account expires, it will
be purged. It will not be archived or forwarded to your new
account.
- Data is not secured against unauthorized reading or writing.
It is responsibility of the user to make sure that proper
permissions have installed.
- There is no expressed or implicit guarantee for the upkeep of
this data. If the workstation is replaced or hardware replaced,
this data may disappear.
- Space usage may not be enforced and it may be possible for a
user to consume all available space, depriving others of its use.
If this happens, the IT staff can elect to remove any or all
items at their discretion. Disk hogs, you have been warned.
- On the Windows spare disks, you must create a top-level
folder for yourself: you cannot create files. You would
typically create a folder with the name name as your username
to avoid confusion.
If your data is important enough to require backup, retention,
accessibility from other workstations or networks, you should not use
temporary storage, but rather your home directory, web folder, the
MathNet\Common folder or other storage assigned to you by the MathNet
IT staff.
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