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From CHAZAL Julien <JULIEN.CHA...@atos.net>
Subject RE : SvnAdmin: impossible to load dump generated by "cvs2svn"
Date Fri, 28 Sep 2012 09:15:03 GMT
Hi Markus,

Thanks a lot for your help ! ;-)

I followed your recommendations by checking file validity with the help of md5 sum. It wasn't
the same md5 sum on the two servers so I followed the procedure below :
- regenerate dump file with CVS2SVN tool
- generate md5 sum on an CVS server
- compress dump file in TAR GZ mode
- transfer the dump file in SFTP binary mode on SVN server
- untar and unzip the dumpfile
- generate md5 sum on an SVN server and compare md5 sum on both servers
- load the dump file with svnadmin command

So my issue is resolved. Cheers!!!

Julien
________________________________________
De : Markus Schaber [m.schaber@3s-software.com]
Date d'envoi : lundi 10 septembre 2012 11:48
À : users@subversion.apache.org
Cc : CHAZAL Julien
Objet : AW: SvnAdmin: impossible to load dump generated by "cvs2svn"

Hi, Julien,

Von: CHAZAL Julien [JULIEN.CHAZAL@atos.net]

> I manage a Subversion server that has the following configuration :
> - SVN 1.6.9
> - FSFS storage mode
> - Apache + mod_dav + subversion modules
> - Linux Suse Enterprise Edition 32-bit
>
> I have to perform a CVS to SVN migration.  I use the tool "cvs2svn" to generate a dump
file from my CVS server and I use the "svnadmin" command to load this dump file on my Subversion
target server. I use a binary transfer mode with SFTP when I have to move a dump from my former
CVS server to my SVN server.
>
> I did this operation for many CVS repositories and it works fine, except for ONE repository
(size around 300 MB) where I encounter the following error:
> - 'vnadmin: Dump stream contains a malformed header (with no ':') at '
>
> I tried to regenerate many times my dump file from cvs2svn tool. I checked the header
of this dump fil and it sounds good (I compared it with other dump from cvs2svn tool). I took
a look on the web and I find a command to clear the dump file obtained by cvs2svn,  but anyway,
it doesn't work too: I can't load this dump file. As I have ever said, the error above concern
an only ONE cvs repository. Actually, I can load all others repositories from the same CVS
server to the same SVN server by using the same commands and  operations.
>
> You'll find below the commands I use to perform my migration :
> - CVS side: cvs2svn --dumpfile=DUMP_FILE.dump CVS_REPO --symbol-default=heuristic --encoding='latin1'
--force-branch=ToPromote
> - SVN side: svnadmin load MY_REPO_PATH < DUMP_FILE.dump
>
> Is there somebody know the reason why I encounter this error? Any idea about how to resolve
this issue?

Just to exclude systematic dump corruption during the transfer between those 2 machines:

Could you use md5sum or sha256sum or a similar tool to verify that the dump file is still
identical on the second machine?

Best regards

Markus Schaber
--
We software Automation.

3S-Smart Software Solutions GmbH
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