HP StorageWorks MSA 2/8 HP StorageWorks Fabric OS Procedures V3.1.x/4.1.x User - Page 234
Marginal Links, Confirming the Problem
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Troubleshooting Marginal Links A marginal link involves the connection between the switch and the edge device. Isolating the exact cause of a marginal link involves analyzing and testing many of the components that make up the link: switch port, switch SFP, cable, the edge device, and the edge device SFP. Confirming the Problem The following steps provide a brief overview of possible steps to troubleshoot a marginal link. 1. Enter the portErrShow command. Example: switch:admin> porterrshow frames enc crc too too bad enc disc link loss loss frjt fbsy tx rx in err shrt long eof out c3 fail sync sig 0: 22 24 0 0 0 0 0 1.5m 0 7 3 0 0 0 1: 22 24 0 0 0 0 0 1.2m 0 7 3 0 0 0 2: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4: 149m 99m 0 0 0 0 0 448 0 7 6 0 0 0 5: 149m 99m 0 0 0 0 0 395 0 7 6 0 0 0 6: 147m 99m 0 0 0 0 0 706 0 7 6 0 0 0 7: 150m 99m 0 0 0 0 0 160 0 7 5 0 0 0 8: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11: 0 0 0 0 0 0 0 0 0 0 0 2 0 0 12: 0 0 0 0 0 0 0 0 0 0 0 2 0 0 13: 0 0 0 0 0 0 0 0 0 0 0 2 0 0 14: 0 0 0 0 0 0 0 0 0 0 0 2 0 0 15: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 32: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 33: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 234 Fabric OS Procedures Version 3.1.x/4.1.x User Guide