On 07/12/2016 09:52 AM, Hersh wrote: > There was some problem with our system so I re-installed the server with > CentOS 7. Now, when I am trying to run 'fdisk -l' command, it is returning > a broken output. > > It throws this error- "fdisk: cannot open /dev/sdc: Input/output error". So, your server had an undiagnosed problem, and now it reports read errors on /dev/sdc? Do you think those two things might be related?