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Old 04-28-2005, 10:09 AM   #1
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explain results of a df to me

ok, so this is a very newbie question, for which i apologize in advance!! i'm looking at a machine with a bunch of partitions, one of which is at 99%. this machine runs a postgresql application that house a digital repository, which contains large images, and other big files. it looks like there is plenty of space on the other partitions, but that 99% one worries me. how can i tell if that's where the application would or would not attempt to write date? how can i tell if this application is running out of space? thanks!!

bash-2.05a$ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda9 1011M 942M 18M 99% /
/dev/sda3 121M 18M 97M 16% /boot
none 1008M 0 1008M 0% /dev/shm
/dev/sda8 1011M 33M 927M 4% /tmp
/dev/sda5 16G 9.5G 6.0G 62% /usr
/dev/sda6 11G 2.9G 7.4G 28% /var
/dev/sda2 2.0G 995M 925M 52% /home
Old 04-28-2005, 10:47 AM   #2
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From the postgresql manual, the database is kept in /var/lib/pgsql/data. So I would sat that the datbase is not running out of space. Unless the person that install/created the databse placed it in another partition/directory. I would say all files and the database are stored in /var and maybe /usr, those two directories are pretty big. I do not have any experience with production servers that run apps with large amounts of data.

So that being said, I would search the hard drive for file and directories named postgre. A simple command to do this would be find / | grep postgre.

You might want to look into the / partition and see if you can eliminate some data (back it up of course).
Old 04-28-2005, 03:16 PM   #3
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I would be concerned about your '/' partition being 99% full. Definitely try to free up some space there.


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