Why do I see lots of "reading I/O errors" in /var/log/messages?

Solution Verified - Updated -

Issue

  • I/O errors in /var/log/messages. Any way to stop it?

    ERROR: pdc: reading /dev/sdc[Input/output error]
ERROR: pdc: reading /dev/sdc[Input/output error]
ERROR: sil: reading /dev/sdc[Input/output error]
ERROR: via: reading /dev/sdc[Input/output error]
ERROR: asr: reading /dev/sdd[Input/output error]
ERROR: ddf1: reading /dev/sdd[Input/output error]
ERROR: ddf1: reading /dev/sdd[Input/output error]
ERROR: hpt37x: reading /dev/sdd[Input/output error]
ERROR: hpt45x: reading /dev/sdd[Input/output error]

  • Why do I see lots of "reading I/O errors" in /var/log/messages?

Environment

  • Red Hat Enterprise Linux (RHEL) 5

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