[cisco-voip] Migrating from CM 4.1.3 to Cisco BE 7.0

Thu Aug 13 02:01:55 EDT 2009

I think is going to take like 10 hours

I just upgraded a cluster today and they had 72 phones and it took 2  
hours to complete the Dma backup

Sent from my iPhone

On Aug 12, 2009, at 7:13 PM, Lelio Fulgenzi <lelio at uoguelph.ca> wrote:

> Thanks Wes. How long does the process take to run? 1 hr? 4 hr? We  
> have about 7500 end devices.
>
> ---
> Lelio Fulgenzi, B.A.
> Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
> (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> "Bad grammar makes me [sic]" - Tshirt
>
>
> ----- Original Message -----
> From: "Wes Sisk" <wsisk at cisco.com>
> To: "Lelio Fulgenzi" <lelio at uoguelph.ca>
> Cc: "Justin Steinberg" <jsteinberg at gmail.com>, cisco-voip at puck.nether.net
> Sent: Wednesday, August 12, 2009 9:20:58 PM GMT -05:00 US/Canada  
> Eastern
> Subject: Re: [cisco-voip] Migrating from CM 4.1.3 to Cisco BE 7.0
>
> Technically yes, but it's not really recommended. It generates  
> significant database activity, consumes some CPU, and generates  
> reasonable disk i/o.  It is MUCH less intrusive if you exclude  
> CDR's.  It only runs on the publisher so if you don't have phones  
> registered to ccm.exe on the pub you can run most any time.
>
> Note there have been a few impactful issues with previous versions  
> of DMA, CSCsz63731 comes to mind.  This would clearly impact a  
> production environment.
>
> /Wes
>
> On Wednesday, August 12, 2009 8:20:25 PM , Lelio Fulgenzi <lelio at uoguelph.ca 
> > wrote:
> Can you run the DMA process itself during business hours?
>
> ---
> Lelio Fulgenzi, B.A.
> Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
> (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> "Bad grammar makes me [sic]" - Tshirt
>
>
> ----- Original Message -----
> From: "Justin Steinberg" <jsteinberg at gmail.com>
> To: "Lelio Fulgenzi" <lelio at uoguelph.ca>
> Cc: "Wes Sisk" <wsisk at cisco.com>, cisco-voip at puck.nether.net
> Sent: Wednesday, August 12, 2009 6:56:08 PM GMT -05:00 US/Canada  
> Eastern
> Subject: Re: [cisco-voip] Migrating from CM 4.1.3 to Cisco BE 7.0
>
> Keep in mind Wes always sees the problem childs... :)
>
> I've done many 4.1 to appliance upgrades including some with AD  
> integration and have never had any significant problems.  I've had  
> to deal with some DMA warnings but I can usually work them out.
>
> That being said, I would definitely run DMA well in advance of your  
> upgrade to make sure it is completing successfully prior to your  
> upgrade window.  You can then rerun DMA during your upgrade window  
> to get a new current copy of the 4.1 DB and use that for your upgrade.
>
> BAT can export some phone data, but you'll lose things like ccmuser  
> speed dials, pab/fd, etc - one of the reasons I always try to use DMA.
>
> On Wed, Aug 12, 2009 at 12:04 PM, Lelio Fulgenzi <lelio at uoguelph.ca>  
> wrote:
> thanks Wes.
>
> i think we'll start DMA sooner rather than later.
>
> ---
> Lelio Fulgenzi, B.A.
> Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
> (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> "Bad grammar makes me [sic]" - Tshirt
>
>
> ----- Original Message -----
> From: "Wes Sisk" <wsisk at cisco.com>
> To: "Lelio Fulgenzi" <lelio at uoguelph.ca>
> Cc: cisco-voip at puck.nether.net, "Mike O" <mikeeo at msn.com>
> Sent: Wednesday, August 12, 2009 10:04:48 AM GMT -05:00 US/Canada  
> Eastern
> Subject: Re: [cisco-voip] Migrating from CM 4.1.3 to Cisco BE 7.0
>
> MANY variables:
> how many times upgraded
> how many interim versions were run
> what native or 3rd party tools attempted to modify the database
> who attempted directly editing the database
> how many dbl/iis problems have been encountered?  Unfortunately  
> transactions were not strictly enforced so when problems occured  
> there were partial commits to the database
> Is enterprise LDAP integration used?  This is probably the largest  
> contributor to errors. When objects move in the enterprise there is  
> no change notification to CM (unity tried but CN from AD appears  
> rather unreliable) so CM ends up with numerous broken pointers in  
> the database.
>
> The other systemic problem is that 4.x enforced business rules via  
> DBL rather than directly in the database.  Think of having a guard  
> in front of your storage room, but your storage room has no  
> shelves.  Users must verify with the guard but once inside they have  
> free reign and very little structure.
>
> /Wes
>
> On Wednesday, August 12, 2009 9:07:05 AM , Lelio Fulgenzi <lelio at uoguelph.ca 
> > wrote:
> well, this doesn't sound promising. what kind of garbage exists in  
> 4.x databases?
>
>
>
> ---
> Lelio Fulgenzi, B.A.
> Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
> (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> "Bad grammar makes me [sic]" - Tshirt
>
>
> ----- Original Message -----
> From: "Wes Sisk" <wsisk at cisco.com>
> To: "Mike O" <mikeeo at msn.com>
> Cc: cisco-voip at puck.nether.net
> Sent: Wednesday, August 12, 2009 8:49:47 AM GMT -05:00 US/Canada  
> Eastern
> Subject: Re: [cisco-voip] Migrating from CM 4.1.3 to Cisco BE 7.0
>
> imho.  run DMA. it it works for you then that is the shortest path.
> if DMA reports errors that you cannot easily repair then stare and  
> compare.
>
> dma has improved significantly and even better with 7.1.  however,  
> there is so much garbage possible in 4.x databases that the  
> migration tool simply cannot always be accurate.
> /wes
>
> On Tuesday, August 11, 2009 9:12:39 PM , Mike O <mikeeo at msn.com>  
> wrote:
> I have to migrate about 50 users/phone, whats the best way? DMA or  
> start from scratch?
>
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