[cisco-voip] CallManager DR scenario

[Ted Nugent]

And by that I'm assuming that you have a better idea
that you're looking to share... :-)


--- "Voll, Scott" <Scott.Voll at wesd.org> wrote:

> Then have fun with all the IP changes, etc.
> 
> -----Original Message-----
> From: Ted Nugent [mailto:tednugent69 at yahoo.com] 
> Sent: Monday, June 26, 2006 11:16 AM
> To: Voll, Scott; Carter, Bill;
> cisco-voip at puck.nether.net
> Subject: Re: [cisco-voip] CallManager DR scenario
> 
> Correct SUBs are read only and the SUB pull down
> thier
> subscription from the PUB, there is no replication
> if
> the PUB is gone. If you require the PUB at the HQ
> site
> then the only alternative that I see if HQ goes away
> is to have a cold standby MCS at the DR site and
> perform a BARs recovery onto the the NEW PUB and or
> rotate a single mirrored drive out to the DR site.
> 
> --- "Voll, Scott" <Scott.Voll at wesd.org> wrote:
> 
> > To my understanding you can not make changes to
> the
> > Cluster without the
> > Pub.  The sub's have a read only DB.
> > 
> > With that said.... all other questions are null
> and
> > void.
> > 
> > Like you said, the question is where can you put
> the
> > pub so it is always
> > alive.
> > 
> > 
> > Scott
> > 
> > 
> > -----Original Message-----
> > From: cisco-voip-bounces at puck.nether.net
> > [mailto:cisco-voip-bounces at puck.nether.net] On
> > Behalf Of Carter, Bill
> > Sent: Monday, June 26, 2006 10:56 AM
> > To: cisco-voip at puck.nether.net
> > Subject: [cisco-voip] CallManager DR scenario
> > 
> >  
> > I am implementing a CallManager cluster with
> servers
> > located at both HQ
> > and a DR site.  The Publisher will be located at
> HQ,
> > with 2 subscribers
> > at HQ and the 2 subscribers at the DR site.  
> > 
> > If HQ is offline for an extended period of time
> > (building blows up), the
> > publisher will not be available.  In this
> situation,
> > CallManager
> > configuration changes will probably have to be
> made,
> > but the publisher
> > will be down.  
> > 
> > * Can changes be made to the system without an
> > active publisher?
> > 
> > * I know subscriber won't replicated database to
> > other subscribers.
> > What happens when the publisher comes back online?
> 
> > Are changes
> > replicated from Subscriber to Publisher?
> > 
> > * With 2 subscribers located at the DR site, will
> I
> > have to make
> > configuration on both subscriber CallManagers (see
> > previous question)? 
> > 
> > * In a period of extended outage, I assume it
> would
> > be best to restore
> > the Publisher to one of the Subscribers at DR,
> > correct?
> > 
> > It seems like a Catch-22 for CallManager DR
> design. 
> > Do you locate the
> > Publisher at HQ or DR?  I guess it depends on
> which
> > site will go
> > down?!?!?  HaHaHa!!
> > 
> > 
> > This email may contain proprietary and
> confidential
> > information for the
> > sole use of the intended recipient. 
> > Any review, retransmission, dissemination, or
> other
> > use of this
> > information by persons or entities other than 
> > the intended recipient is prohibited. If you are
> not
> > the intended
> > recipient, please contact the sender and 
> > delete all copies. To the extent that opinions are
> > expressed in this
> > message, they are not necessarily the 
> > opinions of Sentinel Technologies or any of its
> > affiliates, employees,
> > directors, officers or shareholders.
> > 
> > _______________________________________________
> > cisco-voip mailing list
> > cisco-voip at puck.nether.net
> >
> https://puck.nether.net/mailman/listinfo/cisco-voip
> > 
> > _______________________________________________
> > cisco-voip mailing list
> > cisco-voip at puck.nether.net
> >
> https://puck.nether.net/mailman/listinfo/cisco-voip
> > 
> 
> 
> __________________________________________________
> Do You Yahoo!?
> Tired of spam?  Yahoo! Mail has the best spam
> protection around 
> http://mail.yahoo.com 
> 


__________________________________________________
Do You Yahoo!?
Tired of spam?  Yahoo! Mail has the best spam protection around 
http://mail.yahoo.com