[cisco-voip] moving unified servers to DR site

[Manoj Kalpage]

We already have implemented DR and HA for CUCM 4.1 but not Unity 4.2. We are
plan to upgrade CUCM to 7.x and Unity to Unity connection 7.x. I have
suggested our consultant about DR and HA for Unity connection
but they didn't recommend it saying that data replication between two unity
connection servers may take more than 100mb.
We have 100MB connection between two locations for data and voice.
I would like to know more information about this like QoS and service
policies. is there any link I can find information?


On Sat, Jan 23, 2010 at 4:07 AM, Jason Shearer <jshearer at amedisys.com>wrote:

>  Correct….I glossed over the IPCC requirement.  UCCX 8 will support
> geodiverse HA.
>
>
>
> *From:* cisco-voip-bounces at puck.nether.net [mailto:
> cisco-voip-bounces at puck.nether.net] *On Behalf Of *Bill Talley
> *Sent:* Friday, January 22, 2010 12:12 PM
> *To:* Matthew Saskin
> *Cc:* cisco-voip at puck.nether.net
> *Subject:* Re: [cisco-voip] moving unified servers to DR site
>
>
>
> Cisco doesn't presently support CRS HA servers separated geographically.
>
>
>
> UCM and Unity are both supported in HA configurations,  depending on
> minimum bandwidth guidelines and/or response times.
>
> Sent from my iPhone
>
>
> On Jan 22, 2010, at 11:29 AM, Matthew Saskin <msaskin at gmail.com> wrote:
>
>  Regardless of what your consultants say, please bear in mind the Cisco
> recommendations are also guidelines for them to support you.  If you run
> into HA issues with unity or IPCC and you go to get TAC support, there's a
> good chance you're not going to get full support out of Cisco if the overall
> system design doesn't meet requirements.
>
>
> Matthew Saskin
> msaskin at gmail.com
> 203-253-9571
>
> July 18, 2010 - 1500m swim (in the hudson), 40k bike, 10k run
> Please support the Leukemia & Lyphoma Society
> http://pages.teamintraining.org/nyc/nyctri10/msaskin
>
>  On Fri, Jan 22, 2010 at 10:30 AM, Scott Kee <SKee at cmsstl.com> wrote:
>
> Jason:  Got it..
>
> Thank you for the information.
>
>
>
>
>
>
>
> *From:* Jason Shearer [mailto:jshearer at amedisys.com]
> *Sent:* Friday, January 22, 2010 9:25 AM
> *To:* Scott Kee; cisco-voip at puck.nether.net
> *Subject:* RE: moving unified servers to DR site
>
>
>
> We do it but have more than 10Mbs.  The most important thing here is
> latency and QoS.  Monitor the bandwidth between the servers and adjust
> service policies accordingly.
>
>
>
> Jason
>
>
>
> *From:* cisco-voip-bounces at puck.nether.net [mailto:
> cisco-voip-bounces at puck.nether.net] *On Behalf Of *Scott Kee
> *Sent:* Friday, January 22, 2010 9:19 AM
> *To:* cisco-voip at puck.nether.net
> *Subject:* [cisco-voip] moving unified servers to DR site
>
>
>
> We are trying to move our secondary HA Cisco unified servers to the Sun
> Guard DR site.
>
>
>
> We are going to install 2nd CUCM subscriber server at the DR site and move
> Secondary Unity and CRS server to the DR site.  Leave Primary Unity and CRS
> server at the Corporate Data Center.
>
>
>
> Question is this: We are going to have ATT 10Mbps MPLS circuit to the Sun
> Guard.  Per Cisco document you at least have to have 100Mbps connection to
> the High Availability Servers but per our consultant people, 10Mbps is
> sufficient.  I think this design will work fine but want to hear second
> opinion.
>
>
>
> Has anyone done this before… Do you see any issue with this design?
>
>
>
> Thanks for your help.
>
>
>
>
>
>
>
>
>
>
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