EMC Storage Product Knowledge Sharing

MDS Interoperability Mode Limitations When a VSAN is configured for the default interoperability mode, the MDS 9000 Family of switches is limited in the following areas when interoperating with non-MDS switches: • Interop mode only affects the specified VSAN. The MDS 9000 switch can still operate with full functionality in other non-interop mode VSANs. All switches that partake in the interoperable VSAN should have that VSAN set to interop mode, even if they do not have...

EMC recommends no more than four connectrix switches per fabric based on the following formulae:One Switch -32 Total ports- 4 ports reserved for card failure28 ports remaining.- (int(28/5)) No more than 4:1 ratio, hosts : fa23 Possible host connections-2 to support multi-pathing-11 total host connectionsTwo Switch- 64 Total ports- 4 ports reserved for card failure- 4 ports reserved for E_ports- 56 ports remaining.-(int(56/5)) No more than 4:1 ratio, hosts : fa-45 Possible host connections-/ 2 to support multi-pathing22 host...