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Chapter 5. Client Mounting of File Systems .............39
What Is Mounting? .......................39
Why Should I Mount File Systems? .................41
What File Systems Can I Mount? ..................42
Where Can I Mount File Systems? .................42
Mount Points ........................45
How Do I Mount File Systems? ..................45
ADDMFS (Add Mounted File System) Command ...........45
RMVMFS (Remove Mounted File System) Command .........48
DSPMFSINF (Display Mounted File System Information) Command ....50
Chapter 6. Using the Network File System with AS/400 File Systems ...55
″Root″ File System (/) ......................55
Network File System Differences .................56
Open Systems File System (QOpenSys) ...............56
Network File System Differences .................56
Library File System (QSYS.LIB) ..................57
Network File System Differences .................57
Document Library Services File System (QDLS) ............60
Network File System Differences .................60
Optical File System (QOPT)....................61
Network File System Differences .................61
User-Defined File System (UDFS) .................62
Network File System Differences .................63
Administrators of UNIX Clients ...................63
Network File System Differences .................63
Chapter 7. NFS Startup, Shutdown, and Recovery ..........65
Configuring TCP/IP .......................65
Implications of Improper Startup and Shutdown ............66
Proper Startup Scenario .....................66
STRNFSSVR (Start Network File System Server) Command.......67
Proper Shutdown Scenario ....................70
Shutdown Consideration ....................70
ENDNFSSVR (End Network File System Server) Command .......70
Starting or stopping NFS from Operations Navigator...........72
Locks and Recovery ......................74
Why Should I Lock a File? ...................74
How Do I Lock A File? .....................74
Stateless System Versus Stateful Operation .............74
RLSIFSLCK (Release Integrated File System Locks) Command .....75
Chapter 8. Integrated File System APIs and the Network File System ...77
Error Conditions ........................77
ESTALE Error Condition ....................77
EACCES Error Condition ....................77
API Considerations .......................77
User Datagram Protocol (UDP) Considerations............77
Client Timeout Solution ....................78
Network File System Differences ..................78
open(), create(), and mkdir() APIs ................79
fcntl() API .........................79
Unchanged APIs ........................79
Chapter 9. Network File System Security Considerations........81
The Trusted Community .....................81
iv OS/400 Network File System Support V4R4