Here may be what you saw.

http://searchsqlserver.techtarget.com/news/interview/0,289202,sid87_gci1167863,00.html

>You are right, and the only thing that has kept me from pursuing it (or even getting more familiar with it) is that I have thought that it is not ready. I will keep looking for where I ready that until something or someone that says it is being successfully used in production.
>
>Thank you
>
>>I've never used SQL Server in a mirrored environment, so I cannot speak from experience. But I was curious to know why it wouldn't be recommended in a production environment since I assisted in a few conferences that talked about mirroring, but I don't remember any mention not to use it in a production environment.
>>
>>It sounds to me that this solution should respond to your need because instant failover is it's main feature.
>>
>>>You know, I have been very sure that I read it either in BOL or in one of my Microsoft Press books, but now that I try to go and find it, I can't. Do you have experience where it is proving dependable in a commercial environment??