NFS Services Administrator's Guide (B.11.31.05) September 2009

Disabling Logging in CacheFS........................................................................................................87
Caching a Complete Binary.............................................................................................................87
Packing a Cached Filesystem...........................................................................................................87
Forcing a Cache Consistency Check................................................................................................89
Forcing a Consistency Check for a Specific Mount-Point..........................................................89
Forcing a Consistency Check for all the Mount-Points..............................................................89
Unmounting a Cache Filesystem.....................................................................................................89
Checking the Integrity of a Cache...................................................................................................89
Updating Resource Parameters.......................................................................................................90
Deleting a Cache Directory..............................................................................................................91
Using CacheFS......................................................................................................................................92
Displaying CacheFS Statistics..........................................................................................................92
Viewing the CacheFS Statistics..................................................................................................92
Viewing the Working Set (Cache) Size............................................................................................92
Common Problems While Using CacheFS...........................................................................................93
5 Troubleshooting NFS Services....................................................................................95
Common Problems with NFS...............................................................................................................95
NFS “Server Not Responding” Message.........................................................................................95
“Access Denied” Message................................................................................................................96
“Permission Denied” Message........................................................................................................97
“Device Busy” Message...................................................................................................................97
“Stale File Handle” Message...........................................................................................................98
A Program Hangs............................................................................................................................99
Data is Lost Between the Client and the Server.............................................................................100
“Too Many Levels of Remote in Path” Message............................................................................100
Common Problems while using Secure NFS with Kerberos..............................................................100
“Permission Denied” Message......................................................................................................100
Performance Tuning............................................................................................................................101
Diagnose NFS Performance Problems...........................................................................................101
Improve NFS Server Performance.................................................................................................102
Improving NFS Client Performance..............................................................................................103
Logging and Tracing of NFS Services.................................................................................................103
Logging for the Other NFS Services..............................................................................................103
To Control the Size of LogFiles.................................................................................................104
To Configure Logging for the Other NFS Services..................................................................104
Logging With nettl and netfmt................................................................................................104
Tracing With nettl and netfmt.................................................................................................105
Index...............................................................................................................................107
6 Table of Contents