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Why would shred work on a journaling filesystem like ext3? A point noted in shred's man page.
Recovering deleted files from ext3
Posted Mar 20, 2008 10:21 UTC (Thu) by Cato (subscriber, #7643) [Link]
Actually shred works fine on ext3 in default configurations, i.e. as long as you are only doing 'writeback' of data, meaning that filesystem metadata is journalled but file contents metadata is not. See http://en.wikipedia.org/wiki/Ext3 and in particular http://wiki.linuxquestions.org/wiki/Talk:Shred
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