![]() ![]() In Fibre Channel, the port identifier is a WWPN and the device name is a WWNN. One does not often see these device names because the port identifiers tend to identify the device sufficiently.įor comparison, in parallel SCSI, the SCSI ID is the port identifier and device name. In addition, every SAS device has a SCSI device name, which identifies the SAS device uniquely in the world. SAS devices use these port identifiers to address communications to each other. It is assigned by the device manufacturer, like an Ethernet device's MAC address, and is typically worldwide unique as well. Each SAS port in a SAS domain has a SCSI port identifier that identifies the port uniquely within the SAS domain, the World Wide Name. SAS-5: 45 Gbit/s development started 2018 Ī SAS Domain is the SAS version of a SCSI domain-it consists of a set of SAS devices that communicate with one another by means of a service delivery subsystem. ![]()
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