Thanks avronis. Yeah I think the act needs to be cleaned up, but is there someway to quickly redeem this loose space, dangling pointers etc. Without machine reboot or partition remounting.
Someway to flush the memory.
It's not stuff that hasn't been flushed -- the deleted files are literally still in use. Deleting the file doesn't do anything to something that already has the file open -- the file continues to exist, and won't be released from disk until whatever's holding them open lets them close.
lsof doesn't seem to be able to give file names, but you can ask it for every process using / with fuser -v -M /
Thanks for the guidance. I ended up rebooting the machine on the weekend because the situation was getting out of hand and good to say i can see the utilization is now down to 3GB as per our "du" output .
I have now come across a sun script
would this work to close deleted files still held open by processes?
As long as the file is open by a process, there is no way it can be closed. The file is closed when the application that holds it closes the file, which is usually when the application quits.
The pfilescommand could be used to check which files are open by an application. For files that are delete, pfiles will only list file information but no file name. But be aware. Not all files listed by pfiles without a file name are errors and/or problems that need to be fixed.
how to check overall hard disk utilization in unix?
we use bdf command to find the utilized space for the particular path
bdf filepath
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