NFS Services Administrator Guide (5900-3045, March 2013)

Forcing a Consistency Check for a Specific Mount-Point......................................................87
Forcing a Consistency Check for all the Mount-Points..........................................................87
Unmounting a Cache Filesystem...........................................................................................88
Checking the Integrity of a Cache........................................................................................88
Updating Resource Parameters.............................................................................................88
Deleting a Cache Directory.................................................................................................89
Using CacheFS.......................................................................................................................90
Displaying CacheFS Statistics..............................................................................................90
Viewing the CacheFS Statistics........................................................................................90
Viewing the Working Set (Cache) Size..................................................................................91
Common Problems While Using CacheFS..................................................................................91
5 Troubleshooting NFS Services....................................................................93
Common Problems with NFS....................................................................................................93
Sharing a mounted filesystem as NFS filesystem through LOFS is not recommended....................93
NFS “Server Not Responding” Message...............................................................................94
“Access Denied” Message..................................................................................................95
“Permission Denied” Message.............................................................................................96
“Device Busy” Message......................................................................................................96
“Stale File Handle” Message...............................................................................................97
A Program Hangs..............................................................................................................98
Data is Lost Between the Client and the Server.......................................................................98
“Too Many Levels of Remote in Path” Message.......................................................................99
Common Problems while using Secure NFS with Kerberos............................................................99
“Permission Denied” Message.............................................................................................99
Performance Tuning..............................................................................................................100
Diagnose NFS Performance Problems.................................................................................100
Improve NFS Server Performance.......................................................................................101
Improving NFS Client Performance.....................................................................................101
Logging and Tracing of NFS Services......................................................................................102
Logging for the Other NFS Services....................................................................................102
To Control the Size of LogFiles.......................................................................................103
To Configure Logging for the Other NFS Services............................................................103
Logging With nettl and netfmt............................................................................................103
Tracing With nettl and netfmt.............................................................................................103
Index.......................................................................................................105
6 Contents