Error "example.com qdiskd[XXXX]: diskRawWriteShadow: aligned write returned -1, not 512"

Solution Unverified - Updated -

Issue

  • Errors seen in var/log/messages
$ less var/log/messages
Apr 16 19:08:04 example.com qdiskd[XXXX]: diskRawWriteShadow: Input/output error
Apr 16 19:08:04 example.com qdiskd[XXXX]: diskRawWriteShadow: aligned write returned -1, not 512
Apr 16 19:08:04 example.com qdiskd[XXXX]: diskRawWriteShadow
Apr 16 19:08:04 example.com qdiskd[XXXX]: Error writing node ID block 1
Apr 16 19:08:04 example.com qdiskd[XXXX]: Error writing to quorum disk

Environment

  • Red Hat Enterprise Linux Server 6.5
  • cman-3.0.12.1-59.el6.x86_64

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