RAW デバイスから読み込もうとすると Device or resource busy エラーが発生する

Solution Verified - Updated -

Issue

  • RAW デバイスから読み込もうとすると Device or resource busy エラーが発生します。
# dd if=/dev/raw/raw8 of=/dev/null bs=1024k count=1
dd: opening `/dev/raw/raw8':Device or resource busy

Environment

  • Red Hat Enterprise Linux 5.6
  • RAW デバイス

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