Migration of data LVMs in Old SAN box to New SAN box

[KK CHN]

Hi all,

I am in need of migrating the data in an old SAN Box (hitachi)   to a new
SAN box ( EMC) .

There are LVMs in the old SAN box around 6 TB  capacity its AMC is getting
over soon, So in need to migrate all the data in the old SAN to New SAN box.

What steps do I need to perform in the new  SAN box  ( its a fresh box no
volumes structures created as  of now.)
1.What all are the steps on New SAN Box
2. What all are the step on Old SAN box need to perform to copy the data in
LVMs ( and my Virtual machines are running live from the old SAN) .
so that minimal down time and error free migratin need to assure.

3. As I am going to perform this first time, kindly share your experience
so that I can perform it successfully.

Kindly guide me

Kris