Hi All, I have running Centos 6.5 32 bit machine. This machine is running qmailtoaster packages and mailbox size is 385 GB. if i run the df -h command it show 385 GB out of 1TB I have run the same command today suddenly shows 576 GB out of 1 TB. I didn't update any bulk file and mail transaction is not very high. How do i check this issue and fix it. how do i find out and why suddenly showing this much of increasing the size of hard disk. Could anyone help me -- *Thanks,* *Manikandan.C* *System Administrator*