SAN lun replication

[Arne Joris]

A while ago Bill Todd, Nik Simpson and myself were debating SAN lun
replication over distance in this group (http://groups.google.ca/group/
comp.arch.storage/browse_frm/thread/ad720b212ce2fe4a?hl=en&tvc=1&q=emc
+ibm+san+lun+replication). The product in question has morphed into
EMC VPLEX and is less obscure than it was back in 2006.

[Arne Joris]

... SAN lun replication over distance...

And as rumor has it, Compellent may be about to do the same thing:
http://www.theregister.co.uk/2010/11/24/compellent_roadmap/
Much like EMC VPLEX, data may be replicated across a (synchronous)
distance and different tiers of storage may be located in different
storage centers. The storage controllers hide all this complexity from
the hosts, who see just an ordinary volume which happens to be
replicated and tiered, with disks containing the actual data
distributed over several arrays and sites.