HP StorageWorks 4/256 Brocade SAN Glossary for Fabric OS v6.0.0 - Page 17
Management Information Base. An SNMP structure for device management
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LSAN LSAN device entry LSAN zone LSAN zone entry LU LU path LUN LUN mapping LWL M MAC address MALLOC MAN Mbps MBps MetaSAN Metric MIA MIB Logical Storage Area Network. Enables device and storage connectivity that spans two or more fabrics. The total number of port WWN entries for all devices defined in all active LSAN zones within a routed fabric. The mechanism by which LSANs are administered. A Multiprotocol Router attached to two fabrics will "listen" for the creation of matching LSAN zones on both fabrics. If this occurs, it will create phantom domains and FC-NAT entries as appropriate, and insert entries for them into the name servers on the fabrics. LSAN zones are compatible with standard zoning mechanisms. The number of port WWN entries defined in an edge fabric or backbone LSAN zone. Logical Unit. A piece of logical storage in a disk array. In Brocade Data Migration Manager, identifies a path to a logical unit; the port WWN (pWWN) of the array and the LUN from the standpoint of the virtual initiators. Logical Unit Number. The path to an LU or the 64-bit address of the LU. Mapping between a virtual iSCSI target and physical FC target. Long Wavelength fiber-optic; based on 1300 and 1550-nm lasers supporting 1, 2, and 4 Gbit/sec link speeds. Media Access Control address. The address used for communication between network adapters on the same subnet. Each network adapter has an associated MAC address. Memory allocation; usually refers to buffer credits. Metropolitan Area Network. Megabits per second; also "Mbit/sec." Megabytes per second; also "MB/sec." The collection of all devices, switches, edge and backbone fabrics, LSANs, and Multiprotocol Routers that make up a physically connected but logically partitioned storage network. In a data network, this would simply be called "the network." However, an additional term is required to specify the difference between a single-fabric network (SAN), a multi-fabric network without cross-fabric connectivity (for example, a dual-redundant fabric SAN), and a multi-fabric network with connectivity (metaSAN). A relative value assigned to a route to aid in calculating the shortest path (1000 @ 1Gbit/sec, 500 @ 2Gbit/sec). Media Interface Adapter. A device that converts optical connections to copper ones and vice versa. Management Information Base. An SNMP structure for device management that contains an abstraction of configuration and device information. Brocade SAN Glossary 1/29/2008 Page 17 of 29