On 3/12/2015 12:30 a.m., Alex Samad wrote: > Hi > > I am rolling back from 3.5 to 3.1 > > my cache directory was updated for the 3.1 to 3.5. > > Is there going to be an issue when i roll back ? Yes, you will have to discard the current cache and start with it empty. The old Squid cannot cope with the new format. Amos