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From Daniel John Debrunner <...@debrunners.com>
Subject Re: Migration from 10.0.2.1 to 10.1
Date Fri, 29 Jul 2005 03:20:42 GMT
Daniel John Debrunner wrote:

> Francois Orsini wrote:
> 
> 
>>Found this related JIRA entry as well:
>>http://issues.apache.org/jira/browse/DERBY-377
>>
>>from the 2nd link sent by Dan, it seems like we're doing internal
>>upgrade but it is not automatic. I see that we also allow soft upgrade
>>which is neat...
>>
>>A question I have is when a database is being (non-soft) upgraded, is
>>it put in single-user mode (or read-only) or not? how are concurrent
>>DDL/DML handled against that database? (there might not be any issues
>>- I just haven't seen any restriction(s) mentioned during upgrade as
>>part of the documentation)

I now see you were asking about hard upgrade, not soft upgrade. The hard
upgrade happens during the boot of the database, during that time only
the connection booting the database is allowed in.

Dan.


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