[CentOS] Suddenly increased my hard disk

[Gordon Messmer]

On 04/18/2016 02:47 AM, Chandran Manikandan wrote:
> For my system shows like below.
> df -h
>
> Filesystem      Size  Used Avail Use% Mounted on
> /dev/sda2       909G  576G  287G  67% /
> tmpfs           3.9G     0  3.9G   0% /dev/shm
> /dev/sda1       3.9G  160M  3.5G   5% /boot
> /dev/sdb1       916G  382G  488G  44% /bkhdd

Unmount /bkhdd temporarily, and then run "du -hs /*" again.  One 
possibility is that you ran a backup while /dev/sdb1 was not mounted, 
and now you are consuming a bunch of space that you can't see because 
you've mounted another filesystem on top of it.