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Full Discussion: Root filesystem filling up!
Top Forums UNIX for Dummies Questions & Answers Root filesystem filling up! Post 302369794 by jamie_collins on Monday 9th of November 2009 03:20:33 PM
Old 11-09-2009
I figured it out.

Apparently some Oracle dbf files were created under a new directory that was one level below a mount point:

ieSmilie
/u01/arc/server1
/u01/arc/server2

where server1 is it's own mounted filesystem so they created a directory called server2 but it's not mounted so it created it under /.

This slowly filled up / as data was written to the db.

My du -ak * | sort -nr command eventually led to the discovery, I just needed to sift through all of the output to find it.

Thanks to all who assisted.
 

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filesystem(7)						 Miscellaneous Information Manual					     filesystem(7)

NAME
filesystem - event signalling that filesystems have been mounted SYNOPSIS
filesystem [ENV]... DESCRIPTION
The filesystem event is generated by the mountall(8) daemon after it has mounted all filesystems listed in fstab(5). mountall(8) emits this event as an informational signal, services and tasks started or stopped by this event will do so in parallel with other activity. EXAMPLE
A service that wishes to be running once filesystems are mounted might use: start on filesystem SEE ALSO
mounting(7) mounted(7) virtual-filesystems(7) local-filesystems(7) remote-filesystems(7) all-swaps(7) mountall 2009-12-21 filesystem(7)
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