Exanet, a Ra'anana-based data storage software company, announced Monday that it has raised $18m. in financing led by US fund Coral Capital Management. QVT Fund LP, a multi- strategy hedge fund, as well as a number of existing investors, which include Evergreen Venture Partners, Intel Capital. Microdent and Kodak, also contributed to the investment. About 100 customers, in a broad range of fields, use Exanet's storage software products to manage over three petabytes of data.