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SubjectRe: [dm-crypt] dm-crypt is broken and causes massive data corruption
Alasdair G Kergon  <> wrote:
>On Mon, May 08, 2006 at 07:20:12PM +0200, Tillmann Steinbrecher wrote:
>> it's been many months that dm-crypt has been broken, and is known to
>> cause massive data corruption.

>So far there isn't much in the way of controlled experiments, but:
> All the reports agree the problem is independent of filesystem.
> One thread suggests only filesystem metadata is corrupted, not file
> data, and wonders if something's going wrong with (unsupported) write
> barriers.
> Another report said dm-crypt over raid5 failed while raid5
> over dm-crypt worked.

A data point:

I'm running my /home on reiserfs3 over dm-crypt over lvm over raid5 for
at least a year now, without any problems. Currently running
(that's my "stable" work system...).

Paul Slootman

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