[DRBD-user] Warning: Data Corruption Issue Discovered in DRBD 8.4 and 9.0

Robert Altnoeder robert.altnoeder at linbit.com
Thu Oct 19 11:38:48 CEST 2017

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.

On 10/18/2017 07:32 PM, Eric Robinson wrote:
> Okay, here’s the latest.
> [...]
> However, there are no zeroes anywhere else in the file except at the
> end of every sequence.
> I guess it is safe to conclude that your theory is right. The file
> does not appear to really be corrupted. The TrimTester tool is
> reporting a false positive.
> --Eric
I think you mentioned that you had at least one C++ consultant look at
the source code of the TrimTester tool, and that it had even been
reviewed by Samsung engineers before, and that is the part that I find
most worrying.
Someone of those people should have seen immediately that the code looks
evidently suspicious in more than just a few places, and should either
have investigated or at least should have pointed out that the code may
be flawed.

Robert Altnoeder
+43 1 817 82 92 0
robert.altnoeder at linbit.com

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