Check what your Operating system reports on the disk volume, perhaps something else is being written to that disk. I even made the mistake once of taking a snapshot for temporary backup purposes of my cache volume during testing and forgot to delete it. Needless to say once that server went live it ran out of disk space in a hurry and took me a little while to figure out where all that disk space went. Thanks, Dean Weimer Network Administrator Orscheln Management Co > -----Original Message----- > From: Heinz Diehl [mailto:htd@xxxxxxxxxxxxxxxxx] > Sent: Tuesday, December 29, 2009 9:59 AM > To: squid-users@xxxxxxxxxxxxxxx > Subject: Re: Check your disk space?! > > On 29.12.2009, Heinz Diehl wrote: > > [....] > > Forgot to mention: > the whole cache took around 10 GB of space on the harddisk as the error > occured, so the harddisk can not be filled up. >