NFS Services Administrator's Guide (5900-2134, March 2012)

Forcing a Consistency Check for a Specific Mount-Point......................................................86
Forcing a Consistency Check for all the Mount-Points..........................................................86
Unmounting a Cache Filesystem...........................................................................................86
Checking the Integrity of a Cache........................................................................................86
Updating Resource Parameters.............................................................................................87
Deleting a Cache Directory.................................................................................................87
Using CacheFS.......................................................................................................................89
Displaying CacheFS Statistics..............................................................................................89
Viewing the CacheFS Statistics........................................................................................89
Viewing the Working Set (Cache) Size..................................................................................89
Common Problems While Using CacheFS..................................................................................90
5 Troubleshooting NFS Services....................................................................92
Common Problems with NFS....................................................................................................92
NFS “Server Not Responding” Message...............................................................................92
“Access Denied” Message..................................................................................................93
“Permission Denied” Message.............................................................................................94
“Device Busy” Message......................................................................................................94
“Stale File Handle” Message...............................................................................................95
A Program Hangs..............................................................................................................96
Data is Lost Between the Client and the Server.......................................................................97
“Too Many Levels of Remote in Path” Message.......................................................................97
Common Problems while using Secure NFS with Kerberos............................................................97
“Permission Denied” Message.............................................................................................97
Performance Tuning................................................................................................................98
Diagnose NFS Performance Problems...................................................................................98
Improve NFS Server Performance.........................................................................................99
Improving NFS Client Performance.......................................................................................99
Logging and Tracing of NFS Services......................................................................................100
Logging for the Other NFS Services....................................................................................100
To Control the Size of LogFiles.......................................................................................101
To Configure Logging for the Other NFS Services............................................................101
Logging With nettl and netfmt............................................................................................101
Tracing With nettl and netfmt.............................................................................................101
Index.......................................................................................................103
6 Contents