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arrowHome arrow Unix arrow Disk Quota Wednesday, 19 November 2008  
Unix
Disk Quota Print
Written by TheCAT   
Wednesday, 14 September 2005

Each Maseeh College computer account is given file-storage space. The amount of space you’re given is called your "disk quota." Disk quota is determined by the category of your account.

Note: Your disk quota in both linux and cs unix are shared. This means that if you have 130MB, that is a combined total of all files in both home directories.

Viewing Your Disk Quota

To see if you are within you disk quota limit type the following at the command prompt:

202 systemname.domain.pdx.edu> myquota
You are within your disk usage quota or no limit set.

To see how much space you have and how much is used add the -v option:

203 systemname.domain.pdx.edu> myquota -v
Disk quotas for username (uid nnnn):
Filesystem usage quota limit timeleft files quota limit timeleft
/u/username 13746 20000 30000 645 0 0
uid: for UNIX user id number on Maseeh College network
usage: number of kilobytes you have used
quota: your working or soft limit (if you go over this limit
but below the hard limit you will get a warning)
limit: your hard limit
timeleft: days and hour remaining until you cannot login -
this counts down from a week
files: the number of files you own

If your disk usage is close to, or over, the hard limit, you might experience one or all of the following:

  • unable to save files
  • unable to open an application
  • currently running applications may exhibit problems

When the your disk usage reaches your working or soft limit, warnings are issued. The user has a week to get below the quota. If the total is more than ten megabytes greater than the quota, there is no grace period. The user will not be able to save any files until the total disk usage drops below the hard limit.

Note: on Linux you will need to use the quota command instead of the myquota command.

 

What to Do When You Are Over Quota

If you find yourself over quota, there are some things that can help.

  1. Remove any core files (named “core”). These are often left when a program exits unexpectedly and ungracefully. They can be very large.
  2. Check your .netscape directory and remove the files in the cache subdirectory. You can reduce the size of this cache through the Options->Network Preferences->Cache dialog box in Netscape Navigator.
  3. Consider throwing out old news and mail and object ( *.o) files.
  4. Compress files that you may need but seldom use, and investigate backing up archival material to a Zip disk or some other medium.

 

Quota Increases

If you have a compelling need to increase your disk quota, it may be increased. You will need a faculty member to sponsor you by sending a request to support@cat.pdx.edu on your behalf.

 

Housekeeping

We advise you to go through your files regularly and delete or compress unneeded files; save e-mail attachments as files, and delete the original mail; and delete or trim Internet browser caches.

 

How To See What Is Using Up Your Disk Quota

 du -sk ~        
Sums up your total disk usage (in kilobytes).


du -ak ~ | sort -n | more
Displays every file and its disk space (in kilobytes).
The "sort -n" sorts it numerically and "more" gives
you just a screenful at a time (press the spacebar
to see next screen).
Last Updated ( Thursday, 29 September 2005 )
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Intel Lab - Fab 55-17
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