This topic explains how to determine and isolate problems with the SAN File System, SAN, and LAN.
In addition, you can use the information provided in Troubleshooting an administrative server.
In addition, you can use the information provided in Troubleshooting the cluster. If you access this log through the master metadata server, you see a consolidated view of the logs from each metadata server in the cluster (called the cluster log). If you access these logs through a subordinate metadata server, you see the logs for that particular metadata server only.
You can configure clients to only see a select group of user LUNs that it needs to access, or configure them to view all of the user LUNs.
Parent topic: Troubleshooting
Related reference
Client diagnostic tools
Server diagnostic tools