There's a known bug with this on tempdb (see http://www.sqlservercentral.com/Forums/Topic770808-149-1.aspx). Could be the same thing. I'll ping Product Support.

Is this a user database or tempdb?

Can you post the actual errors that it found too please?

Btw, you're running SQL 2000 (as I removed the repair_fast statements from the output in 2005). Please be aware that...

This looks like a bug - and it seems like you have a repro too. You should call Product Support to help figure out the problem. I haven't seen any...

You're most likely in the FULL recovery model and you're not taking log backups - in which case it will grow forever. Either start taking log backups or switch to...

Hi Alex - one of the Principal Escalation Engineers will be contacting you directly. Thanks

The databases that are failing have corruption that's preventing the upgrade steps from working. On 2000 there are plenty of metadata corruptions that DBCC CHECKCATALOG won't find - it was...

If you have an older backup - you *might* be able to restore it and check to see if that page has some of the deleted rows on - but...

Yes, I recommend you stress test your I/O subsystem. You'll have to poke around to find some SQLIOSim templates - I have some links on my blog but I...

Yeah, on 2000 you may need to run repair a couple of times to get everything fixed up - on 2005 the indexes would have been fixed in a single...

Yup - that's what it did. The output from repair is very simple to read, just the output from the consistency checks that's complicated 🙂

I already have error message explanations for 2000 and 2005 - 250+ page docs each.

In this case, there are no allocated pages so the extent is marked alloacte back to...

You need to get this onto a new I/O subsystem as its clear that's what is causing the corruptions.

Repair is the easiest way to fix this if you're not a...

Ah - that seems to be the smoking gun - hope that proves to be the issue.

Anything with kernel-mode access to the server's memory can corrupt memory wherever it wants.

Yup - there are a lot to it. Maybe I'll get around to it someday 🙂

Thanks