On Jun 15, 2010, at 11:31 AM, Stefan Sperling wrote:
> On Tue, Jun 15, 2010 at 11:09:39AM -0400, Eiren Smith wrote:
>> Dear SVNers,
>>
>> I'm trying to recover an SVN repository after a hard drive failure.
>> From 7,797 revisions, we lost the following seven (7) files from the
>> .../repo_dir/db/revs/7/ directory:
>>
>> 7437 (7-9 Dec 2009) (file also missing from revprops/ dir)
>>
>> 7461 (16 Dec 2009)
>>
>> 7519 (8 Jan 2010)
>> 7520 (8 Jan 2010)
>> 7521 (8 Jan 2010)
>>
>> 7679 (19 Mar 2010)
>>
>> 7683 (19 Mar 2010)
>>
>> This single SVN repository contains many different software
>> projects/products. So I would prefer to be able to rebuild my
>> repository and only lose the revisions that explicitly depend on
>> those seven missing revs/ files, rather than having everything stop
>> at rev. 7436. Being able to recover all the way to 7797 might mean
>> only five products are affected but all our other products would
>> have their history fully restored, which would be excellent.
>>
>> Is there a way to do this?
>
> Can you still create dumpfiles containing the revisions that
> did not get lost? If so, you could stitch together a new repository
> and fill in the missing revisions manually (if you still know what
> happened in those revisions, or can guess what happened).
>
> See the svnbook section on rewriting history:
> http://svnbook.red-bean.com/nightly/en/svn.reposadmin.maint.html#svn.reposadmin.maint.filtering
>
> And see the section called "REVISIONIST HISTORY" of this file:
> http://svn.apache.org/repos/asf/subversion/README
>
>> P.S. Other files may also be missing from the revprops/ dir, not
>> just 7437 -- If I'm willing to lose commit messages, can I live
>> without some revprops/ files?
>
> You should recreate the revprops for all revisions.
>
> Stefan
Thank you, Stefan. The second file you mentioned,
http://svn.apache.org/repos/asf/subversion/README
refers to creating "no-op placeholder revision"s. Could someone expand
upon what these are and how to create them?
Thanks,
/eiren
Received on 2010-06-15 18:13:53 CEST