[OpenAFS] Evaluating OpenAFS

Stephan Wiesand stephan.wiesand@desy.de
Tue, 17 May 2011 21:46:13 +0200


On May 17, 2011, at 21:34 , Russ Allbery wrote:

> Stephan Wiesand <stephan.wiesand@desy.de> writes:
>> On May 17, 2011, at 19:31 , Russ Allbery wrote:
> 
>>> If you're willing to test on Debian unstable, the version of the
>>> OpenAFS packages currently in Debian unstable should be close to what
>>> will show up as 1.6.0pre6 (and has the data corruption bug already
>>> fixed).
> 
>> If the issue is what 4d3e83e86abd0bb6f70e50f208c63bcc248c6673 fixes (?),
>> I wouldn't call that a data corruption bug. It seems like an ordinary
>> bug in the client, preventing it from retrieving the true content of
>> certain files stored safely and correctly on the fileserver.
> 
> Data corruption is somewhat strong, but note that, in the presence of this
> bug, the client will have the correct file length and will think it has
> the complete file, but everything after the first chunk will be nuls.  So
> if you manipulate the file in a way that causes the client to write it out
> again (like copying it somewhere, or even editing it), the data will be
> corrupted on the server.
> 
> When it comes to any potential for data loss in a file system, I tend to
> err on the side of scaring people away.  :)


Ok, I concur.

Could someone confirm that this bug is not present in 1.6.0preX where X < 5 ?

Thanks,
	Stephan

-- 
Stephan Wiesand
DESY -DV-
Platanenenallee 6
15738 Zeuthen, Germany