On Apr 4, 2013, at 9:56 AM, nmurphy1507 <networker-forum AT BACKUPCENTRAL DOT 
COM>
 wrote:

> Is there a handy way, a tool or some form of calculator to try an work out 
> how long a data migration exercise would take to complete?
> 
> We are looking at moving data from one Data Domain device to a new, bigger 
> Data Domain and we are being asked how long it will take to complete the 
> migration. Is there a tool that can give approx. time frames or is too big an 
> ask due to all the different factors involved in working it out eg: type of 
> data, size of files, LAN connections, HBA factors, switch speed factors etc.
> 
> Any feed back appreciated. 

As you surmised, much of this question depends on the speed of your network and 
other site-specific details such as the number of files involved in the move, 
the speed of the sending and target systems, etc. Your best option is to see if 
you can get an estimate from your EMC sales support team, then double it.