Raj,  have you had a chance to look at this paper ?  [URL]  also look at PowerPath migration enabler as another option  White Paper: EMC PowerPath Migration Enabler Host Copy — A Detailed Review
 Hi,  I have read about SAN COPY from zoning the SP ports and follow the configuration of SAN Copy. But I have not done any time Migration from CX700 to CX4-240 or CX3 Series. Can Some One Give me document on how to migrate the Production Server Data without downtime or  any best practice document that is followed  so that I can refer.   I would appreciate if some one provides me steps.  Note: Below is the Infra:  migrate from CX700 to CX4-240 Servers: SUN Solaris8,  windows 2003, windows 2008 SAN: We have Brocade Switches.   Thanks Raj
Migrating CX700 to Cx4-240