My /var/log/messages contain lots of messages like this:Jan 22 05:45:05 vm kernel: hdc: drive_cmd: status=0x41 { DriveReady Error }Jan 22 05:45:05 vm kernel: hdc: drive_cmd: error=0x04 { AbortedCommand }Jan 22 05:45:05 vm kernel: ide: failed opcode was: 0xecI do not even have hdc on my system. What can be the cause of them?My system is 2.6.18-194.32.1.el5.centos.plus.
strange logs in /var/log/messages
logs;virtual machine
Your drive is likely reacting to being probed by smartd.  If so, then there is no real problem.  Check smartd.conf and see if the /dev/hdc is mentioned there in a line that's not commented out.