Eric Harney c8a5e7d8ce Don't use shred for volume clearing ... Volume clearing is intended to provide safety against data leaking between different volumes/tenants when backing storage is reused. dd is sufficient to accomplish this, and since 'shred' does not add anything meaningful and has not seen much real-world use, we should remove it for simplicity. This change makes 'volume_clear=shred' call dd and warns that this option will be removed. Change-Id: I190dc22c5edb6efc56b98c5eac870a35c03fcd3f		2016-07-08 13:29:21 -04:00
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volume.filters	Don't use shred for volume clearing	2016-07-08 13:29:21 -04:00