I can provide you with more info. Please tell me what you need. I really hope someone here can help me somehow solve or workaround this, because I really need to migrate to v10 for its features.
Adrian Klaver <adrian.klaver@aklaver.com> writes: > On 06/09/2018 03:46 AM, Alexander Shutyaev wrote: >> The upgrade operation failed after several hours with the following error: >> database is not accepting commands to avoid wraparound data loss in >> database with OID 0
> Do you know which database has an OID of 0?
Well, none do, so the correct question is what is passing an invalid database OID to the code that's complaining. This sure looks like a bug, though I'm not sure we have enough info to locate it.