[Setup] Plone 3+ Data.fs Migration Problems

[Rose Pruyne]

I've been trying to upgrade from Plone 3.0.2 to 3.0.6 on Ubuntu Fawn a la
Unified Installer on my test server for a few days now and have not been
successful migrating the Data.fs file. I've endeavored make sure that the
two installs are identical as far as add-on Products. I've also made sure
that folder/file ownership is the same across the two installs.

Copying the Data.fs file into the Plone 3.0.6 install and restarting the
Zope in fg results in errors that appear to indicate issues with the
database, and Zope will not restart (See the error snippet below). 

I also tried migrating the Data.fs file using Repozo; the results were the
same. Could this be a problem with my not upgrading incrementally, that is,
jumping from 0.2 to 0.6 without the in-between upgrades? Or is my Data.fs
file possibly corrupted? Any ideas? This is on an older machine without a
heck of a lot of horsepower, but I kind of doubt that's the issue.

****Error Snippet****

File "/opt/Plone-3.0.6/lib/python/Zope2/App/startup.py", line 59, in startup
    DB = dbtab.getDatabase('/', is_root=1)
  File "/opt/Plone-3.0.6/lib/python/Zope2/Startup/datatypes.py", line 280,
in getDatabase
    db = factory.open(name, self.databases)
  File "/opt/Plone-3.0.6/lib/python/Zope2/Startup/datatypes.py", line 178,
in open
    DB = self.createDB(database_name, databases)
  File "/opt/Plone-3.0.6/lib/python/Zope2/Startup/datatypes.py", line 175,
in createDB
    return ZODBDatabase.open(self, databases)
  File "/opt/Plone-3.0.6/lib/python/ZODB/config.py", line 97, in open
    storage = section.storage.open()
  File "/opt/Plone-3.0.6/lib/python/ZODB/config.py", line 155, in open
    read_only_fallback=self.config.read_only_fallback)
  File "/opt/Plone-3.0.6/lib/python/ZEO/ClientStorage.py", line 321, in
__init__
    self._wait(wait_timeout)
  File "/opt/Plone-3.0.6/lib/python/ZEO/ClientStorage.py", line 336, in
_wait
    self._rpc_mgr.connect(sync=1)
  File "/opt/Plone-3.0.6/lib/python/ZEO/zrpc/client.py", line 153, in
connect
    self.cond.wait(30)
  File "/opt/Plone-3.0.6/Python-2.4.4/lib/python2.4/threading.py", line 222,
in wait

****End of Error Snippet****

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