RE: Problems accessing repositories after migration to new server

 
In my desperation I just tried an "svnadmin recover" on the new server
and, although this reported horrible fatal errors, the repository was
suddenly available and complete again. I then took your advice and
migrated them all to FSFS databases to avoid future issues.

-----Original Message-----
From: Ryan Schmidt [mailto:subversion-2006c@ryandesign.com]
Sent: 26 August 2006 18:51
To: Kevin Turner
Cc: Subversion List
Subject: Re: Problems accessing repositories after migration to new
server

On Aug 26, 2006, at 13:41, Kevin Turner wrote:

> Phew, I was getting worried. Since the Apache error log says (20014)
> Error string not specified yet: Berkeley DB error for filesystem D:\
> \SVN/equibook/db while opening environment:\nDB_VERSION_MISMATCH:
> Database environment version mismatch
>
> I am sure you are right.
>
> Can I svmadmin dump all the repositories in one go or do I have to do
> them all individually? We have a large number of repositories.

You must dump one repository at a time. You can probably write a small
script to automate it if you have that many.

> I am curious as to how I will have acquired a newer version of BDB on
> the new server though. It is basically a Swing Migration so the
> software "should" be the same.

I don't know what a "swing migration" is but it certainly appears that,
through whatever means, you have a different version of BDB on the new
machine. You can perform some steps to upgrade the repository to the new
BDB version; the FAQ has some instructions:

http://subversion.tigris.org/faq.html#bdb43-upgrade

But I personally recommend the dump-and-load strategy and migration to
FSFS. Many people have reported problems with BDB repositories, and only
a few have reported problems with FSFS. Though many people also have
success with BDB, I personally choose not to take the chance.

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Received on Sun Aug 27 14:03:03 2006