Re: Re: Hot-Stdby-DB vs. Parallel-Server

Thanks for the comments, I'll have some pointed questions for the next meeting with Veritas.

Do you have a disaster recovery site, and what's your downtime tolerance if the primary site goes down?

<61.12.128.6 [Igor Laletin]> wrote in message news:9cnq5g0mg_at_news1.newsguy.com...
> You can use VCS for failover but it is not certified for OPS. I really
doubt about 2-3 secs but in any case you should add here an instance startup/recovery time.
>
>
> > We looked at a solution by Veritas using Oracle on Sun Solaris. As
 Andrew
> > said, you can do it with fibre, and have upto 9km between sites. If one
> > site goes down they claim 2-3 seconds switchover.
> >
> > "Andrew Mobbs" <andrewm_at_chiark.greenend.org.uk> wrote in message
> > news:EHp*nq2Uo_at_news.chiark.greenend.org.uk...
> > > Sybrand Bakker <postbus_at_sybrandb.demon.nl> wrote:
> > > >One of the main features of Oracle Parallel Server, is that there are
 two
> > > >servers serving the same disks.
> > > >Hence the servers need to be in the same computer room.
> > > >A client may not want that for obvious reasons (if there is a fire in
 the
> > > >computer room, both servers will burn down)
> > > >So, there are cases where Hot Standby is the best you can do.
> > >
> > > Fibre attached storage can give you a couple of kilometres between
> > > servers (in theory, never seen it implemented myself).
> > >
> > > --
> > > Andrew Mobbs - http://www.chiark.greenend.org.uk/~andrewm/
> >
> >
>
>
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Received on Wed May 02 2001 - 01:37:26 CDT