CPC H04L 49/208 (2013.01) [G06F 13/126 (2013.01); H04L 49/102 (2013.01); H04L 49/9094 (2013.01)] | 20 Claims |
1. A method comprising:
receiving, at an input/output (I/O) processor, a transport control word (TCW) that includes an instruction to perform physical port mirroring;
identifying, by the I/O processor based on a mirror indicator field and a mirror type field of the TCW, a first port to be mirrored and a second port to perform the mirroring, the second port a physical port on a host bus adapter (HBA);
in response to outbound data being sent to the first port for transmission to a first target device and based the mirror indicator field specifying outbound port mirroring, sending, by the I/O processor, a copy of the outbound data to a second target device via the second port; and
in response to receiving inbound data at the first port and based on the mirror indicator field specifying inbound port mirroring, transmitting a copy of the inbound data to the second target device via the second port,
wherein the mirror type field of the TCW indicates a specific sub-type of mirroring for the I/O processor to perform.
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