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ubuntの起動ディスクをクローン

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#やりたいこと
故障しそうなブートディスクを新しいHDDに入れ替える。
コメント 2019-04-11 153203.png
#方法
DDコマンドでクローンを作成する
参考にさせていただいたWEBページ
Ubuntu を使用しDDコマンドでクローンの作成

DDコマンドで/dev/sdbを/dev/sdaにクローン
sudo dd if=/dev/sdb of=/dev/sda bs=512 conv=sync,noerror

進捗を表示するコマンド、新しい端末で実行
sudo sh -c 'while true; do killall -USR1 dd; sleep 2; done'

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