Database Corruption - Reference to non-existent node

[James Sears <JS...@clifford-thames.com>]

We recently experienced some sort of hardware failure. After recycling the
box we discovered that part of our repository had broken. Can anyone can
shed some light on these symptoms?

Our environment is: SVN 1.0.6 running on Windows 2000 SP 4 and accessed via
Apache 2.0.50.

1. After the recycle we have found that when we browse the repository
through a browser - e.g. Firefox - one of the urls - say
http://a.b.c/r/1/evolution - returns the following:
<D:error>
	<C:error/>
		<m:human-readable errcode="160014">
		Reference to non-existent node 'iyx.0.1e1' in filesystem
'H:\SVN\r/1/db'
		</m:human-readable>
</D:error>

2. Somewhat strangely, a deeper url - say http://a.b.c/r/1/evolution/trunk -
is browsable as normal.

3. We are not able to completely dump (or verify) the repository we get:
svnadmin dump 1 > 1-dumpfile
...
* Dumped revision 965.
svn: Reference to non-existent node 'iyw.0.w5' in filesystem '1/db'

Any one any ideas what's gone wrong here and how we might fix it?

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Re: Database Corruption - Reference to non-existent node

[Max Bowsher <ma...@ukf.net>]

James Sears wrote:
> We recently experienced some sort of hardware failure. After recycling the
> box we discovered that part of our repository had broken. Can anyone can
> shed some light on these symptoms?
>
> Our environment is: SVN 1.0.6 running on Windows 2000 SP 4 and accessed 
> via
> Apache 2.0.50.
>
> 1. After the recycle we have found that when we browse the repository
> through a browser - e.g. Firefox - one of the urls - say
> http://a.b.c/r/1/evolution - returns the following:
> <D:error>
> <C:error/>
> <m:human-readable errcode="160014">
> Reference to non-existent node 'iyx.0.1e1' in filesystem
> 'H:\SVN\r/1/db'
> </m:human-readable>
> </D:error>
>
> 2. Somewhat strangely, a deeper url - say 
> http://a.b.c/r/1/evolution/trunk -
> is browsable as normal.
>
> 3. We are not able to completely dump (or verify) the repository we get:
> svnadmin dump 1 > 1-dumpfile
> ...
> * Dumped revision 965.
> svn: Reference to non-existent node 'iyw.0.w5' in filesystem '1/db'
>
> Any one any ideas what's gone wrong here and how we might fix it?

Please make a tarball or zipfile of your repository, put it on a web/ftp 
site, and send me the URL.

I will see what I can do to recover the data.

Max.


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