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by 16s 5787 days ago
It works fine on default EXT3. The only thing journaled is meta-data. You snipped that part out. More from man shred

In the case of ext3 file systems, the above disclaimer applies (and shred is thus of limited effectiveness) only in data=journal mode, which journals file data in addition to just metadata.

In both the data=ordered (default) and data=writeback modes, shred works as usual.