[svn.haxx.se] · SVN Dev · SVN Users · SVN Org · TSVN Dev · TSVN Users · Subclipse Dev · Subclipse Users · this month's index

Re: AW: AW: AW: How to check integrity of database?

From: <kfogel_at_collab.net>
Date: 2005-10-07 18:16:55 CEST

Fabian Cenedese <Cenedese@indel.ch> writes:
> These information can be set any time and countless times to new values
> with svn admin, be it a user or a virus. As they are unversioned you
> won't ever find a trace that they changed. Anyone can store any data
> if he has access to the machine. As the checksum would need to
> get updated on every change you will never find an error. The only
> thing you could detect with that checksum is a hardware error.
> And if there's something wrong with the disc it would surely also
> affect the real data files.

No, you could also detect a software error -- for example, if
Subversion were writing out revprop values *or their checksums*
improperly. Or it might be trying to write something else, but due to
boundary bug accidentally smash part of a revprop value or a revprop
value's checksum. So it's technically possible for a Subversion
problem to be detected by this means.

It's not only hardware that makes mistakes :-).

To unsubscribe, e-mail: users-unsubscribe@subversion.tigris.org
For additional commands, e-mail: users-help@subversion.tigris.org
Received on Fri Oct 7 19:28:30 2005

This is an archived mail posted to the Subversion Users mailing list.

This site is subject to the Apache Privacy Policy and the Apache Public Forum Archive Policy.