US 12,032,432 B1
Identifying host bus adapater faults
Scott Rowlands, Cumming, GA (US); Krishna Deepak Nuthakki, Bangalore (IN); and Arieh Don, Newton, MA (US)
Assigned to Dell Products L.P., Hopkinton, MA (US)
Filed by Dell Products L.P., Hopkinton, MA (US)
Filed on Feb. 24, 2023, as Appl. No. 18/174,267.
Int. Cl. G06F 11/00 (2006.01); G06F 11/07 (2006.01)
CPC G06F 11/076 (2013.01) [G06F 11/0778 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
monitoring target resets sent by initiators from ports of host bus adapters of a plurality of host servers and received at a plurality of ports of a storage node;
calculating counts of the target resets received from each port of the host bus adapters; and
identifying a first port of a first host bus adapter of a first host server as faulty based on:
receiving a predetermined number of the target resets from the first port of the first host bus adapter within a predetermined time period at a first port of the plurality of ports of the storage node; and
not receiving target resets from other ports of the first host bus adapter.