Procedure: SAN problem determination
You can solve problems with the Storwize® V3700 system and its connection to the storage area network (SAN) with the optional Fibre Channel host interface adapter.
About this task
SAN failures might cause Storwize V3700 volumes to be inaccessible to host systems. Failures can be caused by SAN configuration changes or by hardware failures in SAN components.
The following list identifies some
of the hardware that might cause failures:
- Power, fan, or cooling
- Application-specific integrated circuits
- Installed small form-factor pluggable (SFP) transceiver
- Fiber-optic cables
If error codes sent you here, complete the following steps:
Procedure
- Verify that the power is turned on to all switches and storage controllers that the Storwize V3700 system uses, and that they are not reporting any hardware failures. If problems are found, resolve those problems before you proceed further.
- Verify that the Fibre Channel cables that connect the systems to the switches are securely connected.
- If you have a SAN management tool, use that tool to view the SAN topology and isolate the failing component.