df showing 100% used, when du shows only 20% being used.

[Mohd Irwan Jamaluddin]

On Thu, Jun 4, 2009 at 10:59 AM, Ben Kevan <ben.kevan at gmail.com> wrote:
> I have a machine here where df shows a mount point being 100% full. However,
> when you do a du -h it shows that only 1.1G of the 5G is being used.
> How can I make sure that df is reporting accuratly?
>

I used to experience this, it might be due to unlinked files. Perform
"lsof +L1 /directory" and the output will give you some hints.