EMULEX MODEL 375 SAN STORAGE SWITCH
USER’S GUIDE | CHAPTER 4: TECHNICAL REFERENCE |
CHAPTER 4 | TECHNICAL REFERENCE |
Troubleshooting Device Connections.........................59
Troubleshooting Management Connections ...............60
Port Bypass Conditions and Recovery .......................60
Default Smart Setting Attributes.................................61
Fibre Channel References .........................................62
TROUBLESHOOTING DEVICE CONNECTIONS
Problem | Recommended Action | |
|
| |
SFP installed in one or | 1. Verify that the power cord is firmly seated into switch and is connected | |
more ports but no |
| to a properly earthed receptacle (outlet). |
LEDs lit | 2. | Check the Power LED to ensure that the switch is turned on. |
| 3. | Verify that the SFP is firmly seated. |
|
| |
SFP installed but only | Reseat the SFP. If the same condition occurs, the SFP is probably faulty | |
yellow LED is lit | and should be replaced. | |
|
|
|
SFP installed with | 1. | Make sure that the device is powered on and operating properly. |
both green and yellow | 2. | Unplug the fiber cable from the node and verify that an optical signal is |
LEDs lit |
| present on the cable receiver lead. |
| 3. | Verify that the fiber cable is fully seated at either end. |
|
| If optical power meter is available, verify the device is transmitting a |
|
| signal. |
|
| If there is no signal present, the device may require rebooting, device |
|
| drivers may need to be reinstalled, or the HBA or disk controller |
|
| hardware may require servicing. |
|
| If a signal is present on both the cable lead and the end node, the HBA |
|
| or disk controller may require service. |
| 4. | Ensure that the device and switch are operational and set to the same |
|
| speed. |
|
| |
SFP installed with only | The switch is receiving a valid signal from the device, but no upper level | |
green LED lit, but | protocols are active. | |
devices are not | 1. | Verify that the proper HBA device drivers are loaded for the |
communicating |
| appropriate operating system and that the host has been configured to |
|
| recognize attached disk devices. |
| 2. | Improper |
|
| inoperative adapter card or device. Run adapter diagnostics with a |
|
| loopback connector to see if the adapter is working properly. |
| 3. | Unplug the fiber cable from the end node and verify that an optical |
|
| signal is present on the cable receiver lead. If no signal is present, the |
|
| cable’s receiver lead may be bad and the device may be streaming F8 |
|
| Failure notifications. |
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EMULEX CORPORATION | 59 |
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