Re: HOW TO CONNECT HOST DIRECTLY TO THE VNX5400 without SAN switch
For direct attach, it's the same as for a switch, except you can only connect as many paths as you have HBA's (fiber channel or iSCSI). If your host has one HBA, you can only connect one cable to the array. So you should have at least two HBA's so you can connection one HBA to SPA and the other HBA to SPB to have failover protection.
Go to this link and select VNX Series, then in the VNX Server Tasks, select Attach a Server and follow the wizard.,