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What is the cause of USR filesystem full

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Operating Systems AIX What is the cause of USR filesystem full
# 1  
Old 07-06-2009
What is the cause of USR filesystem full

we are using aix 5.3 and we notice that the filesystem /usr is almost full. we have an oracle database running on the server.what are the cause why this filesystem is almost full.what should we do to free some space on this filesystem beside increase the size?thanks
# 2  
Old 07-06-2009

commit all your applied filesets and you will see the usage of /usr going down.
Each time you apply a new fileset, the previous version is kept - if you have multiple versions of the same fileset this can occupy a lot of space. This is especially true after applying maintenance levels ...

Kind regards
# 3  
Old 07-06-2009
thanks zxmaus for the reply.what is a fileset?is it under unix or oracle?
# 4  
Old 07-06-2009
A "fileset" in AIX terminology is a software package to be installed. It consists of files to be copied somewhere along with some methods to be carried out at some stages of the installation/deinstallation.

You might want to do a search for "fileset" or "installp" here to find out more about the installation process and related information. You might also be interested in this thread and this thread for some related information about software management in AIX.

I hope this helps.

# 5  
Old 07-06-2009
Use sth like that :

du -am /usr | sort -nr | head

to find out what file/dir keep space.

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