"he is according to astudy by research firm IDC, with funding from storage giant EMC (EMC).In the market for external disk storage systems made by vendors such as EMC and NetApp, global sales in the second quarter rose 20.4%from a year earlier to $5 billion.he is very good growth, said Liz Conner, an analyst at research firm IDC. From 2005 to 2009, a typical quarter would show growth below10%" . . . . .