Re: Availability during software/hardware upgrade.

"Andre Sluiter" <A.Sluiter_at_gesloten.nl> wrote in message news:3db50850.3320984_at_news.nl.uu.net...
> Is it possible to change over from
> hardware, OS version, Oracle version
> without going off line ?
>
> I am thinking in the line of two (or more)
> servers where server 1 is online, server 2 gets
> upgraded, then a switch over from 1 to 2
> server 1 get's upgraded and then a change back
> to server 1.
>

Possible.

> The switchover should be done without dataloss
> or broken transactions.
>

Just how, would depend on the exact environment you have.

> Is this possible ?
> What is required for this ?
> (If you can put a price on this please do,
> or point me to a website or more info, thanks).
>

Geez, price? That's not a simple answer.

> Just checking if we should be looking into this.
> (I have always claimed that if feasable this is
> going to be to expensive for us, but have no
> solid arguments).
>
>
> Andre Sluiter
Received on Tue Oct 22 2002 - 14:52:33 CDT