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ITC Unix Systems - Disk Storage

Unix Systems Services

Disk Storage


Table of Contents

  1. Standard Disk Storage Quotas
  2. Leased Storage Rates
  3. Leasing Additional Home Directory Storage
  4. Departmental or Group Disk Storage

Standard Disk Storage

ITC provides a basic amount of disk storage at no charge to members of the University community through the Home Directory Service. A disk quota is set for each account when it is allocated. If this amount is not sufficient for an individual's needs, or if a group wishes to share a larger block of disk, ITC makes these larger allocations available through an annual lease.

Leased storage is made available from high-availability, high-performance cluster of Network Appliance file servers, providing access to your disk storage from Unix, Windows, and Macintosh systems. This managed file service uses fully redundant hardware, with daily backups to an off-site facility, and with ITC providing the system administrators. The rates for leasing space are set only to recover the cost of the file service hardware, software, maintenance and backups.

Leased Storage Rates

Space is available for lease in increments of 1000 megabytes (approximately one gigabyte). The annual rates are

  $21.00 base fee, plus
   17.50/GB for up to 10 GB
   14.25/GB for the next 90 GB (up to 100)
   13.75/GB for any additional (over 100)

Enter Disk Space in GBytes:
Annual Fee: $


Additional Fee-based Disk Storage for Individual Home Directories

Anyone who leases storage for his or her home directory will have the leased amount added to the standard ITC quota which is given to all users. The only change made to a home directory for someone leasing the space is that it may be moved into one of the filesystems on home2.virginia.edu, where ITC can guarantee the availability of the space being leased. Otherwise, it is identical to the default home directory. Because all user storage is part of very large filesystems, with allocations controlled by quotas, adding incremental amounts can be done easily and quickly.

To request additional storage for your home directory, send mail to systems@Virginia.EDU.

Fee-based Disk Storage for Departments or Groups

Disk storage may also be leased by a group, with the storage not becoming a part of anyone's home directory, but instead being a separate directory which is shared by all in the group. This might be used, for example, as a small departmental file server in lieu of the department having to manage its own file server, or as the site storage for a virtual host on one of the ITC web server clusters.

The storage is not any individual's home directory. This lends some permanence to it, in that if one member of the group leaves the University, that individual's home directory will soon be removed, but the storage outside the home directory is unaffected by that account removal, so the files in the departmental storage would remain. Access to the directory is itself not password protected. Instead, ITC will establish a group whose members are the individual login ids you want to have access to the storage, and access to the directory will be restricted to only members of the group. Each person would use his or her own login id and password for validation.

From Windows (Vista, XP, 2000, 98), Mac OS X, and Linux system using SMB client software, users who are in the group authorized to access the share will be able to map this directory as a network drive on their desktop systems, using a share name like

        \\home2\mygroupdirectory   (on Windows), or
        smb://home2.virginia.edu/mygroupdirectory    (on Mac OS X) 
You get to pick what you what "mygroupdirectory" to be named, as long as it doesn't conflict with one we have already established. Some kind of group-specific name is usually best.

If needed, multiple Unix groups may be used to give the owner the ability to further restrict access to portions of the storage.

To request a lease of a group directory, send mail to systems@Virginia.EDU.