HP StorageWorks MSA 2.8 SAN Switch User Manual

Page 214

Troubleshooting

214

4. Enter the

portErrShow

command. Check for errors that may cause login

problems.

— A high number of errors relative to the frames transmitted and frame

received may indicate a marginal link. See “

— A steadily increasing number of errors may indicate a problem. Track

errors by sampling the port errors every five or ten seconds.

Example:

switch:admin> portflagsshow

Port SNMP Physical Flags

-------------------------------

0: Offline No_Module PRESENT U_PORT LED

1: Offline No_Module PRESENT U_PORT LED

2: Offline No_Light PRESENT U_PORT LED

3: Offline No_Light PRESENT U_PORT LED

4: Offline No_Light PRESENT U_PORT LED

5: Offline No_Module PRESENT U_PORT LED

6: Offline No_Module PRESENT U_PORT LED

7: Offline No_Module PRESENT U_PORT LED

8: Offline No_Module PRESENT U_PORT LED

9: Offline No_Module PRESENT U_PORT LED

10: Offline No_Module PRESENT U_PORT LED

11: Offline No_Module PRESENT U_PORT LED

12: Offline No_Module PRESENT U_PORT LED

13: Offline No_Module PRESENT U_PORT LED

14: Offline No_Module PRESENT U_PORT LED

15: Offline No_Module PRESENT U_PORT LED

16: Online UNKNOWN PRESENT ACTIVE G_PORT U_PORT

switch:admin>