- FAS/AFF systems
- Fiber Channel (FC)
- May or may not be accompanied by symptoms such as:
- Increasing error counters on switch ports
- Latency on the fabric
- IO failures and/or timeouts on host OS
- One or more failed paths from host OS
- Adapters flapping unexpectedly
- Any target (filer) port showing offline.
- Any events in EMS or messages that point to a connectivity issue such as link resets/port resets and other fabric events.