| Oracle FAQ | Your Portal to the Oracle Knowledge Grid | |
 |
 | |||
| Oracle FAQ | Your Portal to the Oracle Knowledge Grid | |
|
| |||
Home -> Community -> Usenet -> c.d.o.server -> Re: Re: Hot-Stdby-DB vs. Parallel-Server
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/
>
>
 |
 |