US 11,809,268 B1
Discovering host-switch link and ISL issues from the storage array
Arieh Don, Newton, MA (US); Scott Rowlands, Marietta, GA (US); and Erik Smith, Douglas, MA (US)
Assigned to Dell Products L.P., Hopkinton, MA (US)
Filed by Dell Products L.P., Hopkinton, MA (US)
Filed on Jul. 5, 2022, as Appl. No. 17/857,517.
Int. Cl. G06F 11/07 (2006.01); H04L 67/1097 (2022.01)
CPC G06F 11/079 (2013.01) [G06F 11/076 (2013.01); G06F 11/0772 (2013.01); H04L 67/1097 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method, comprising:
monitoring IO failures detected at ports of a storage array;
monitoring link errors detected at the ports of the storage array;
remotely monitoring link errors detected at initiator ports of a host server;
remotely monitoring link errors detected at ports of a switch adjacent to the host server; and
detecting and localizing a problem based on the monitored IO failures and link errors.