Client Mounting of File Systems | IBM AS/400E instruction

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-De®ned 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
Con®guring 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

ivOS/400 Network File System Support V4R4

AS/400E specifications

The IBM AS/400E, now more commonly known as IBM i, is a robust and versatile midrange server that has been designed to provide a comprehensive computing solution for businesses of all sizes. First introduced in the late 1980s, the AS/400 series has undergone multiple enhancements and rebranding, with the AS/400E being one of the notable iterations. This powerful platform is closely associated with IBM's commitment to reliability, scalability, and integrated business solutions.

One of the main features of the AS/400E is its highly integrated architecture that combines hardware and software into a cohesive system. This integration allows for seamless operations, reducing the complexity typically associated with managing disparate systems. The system is powered by IBM's proprietary OS/400 operating system, which has evolved into IBM i, featuring advanced capabilities like object-oriented programming, integrated database management, and security features that are essential for enterprise environments.

A key characteristic of the AS/400E is its robust database support, primarily through the use of DB2 for i. This integrated database management system enables efficient data handling and retrieval, facilitating real-time business analytics and reporting. Furthermore, the platform supports a variety of programming languages, including RPG, COBOL, and Java, making it flexible for developers who require diverse tools for application development.

The AS/400E is also known for its exceptional reliability and uptime, making it a preferred choice for critical business applications in industries such as finance, healthcare, and manufacturing. This reliability is backed by advanced error detection and correction mechanisms, as well as redundancy features that help prevent data loss and minimize downtime.

In terms of scalability, the AS/400E can effortlessly expand to accommodate growing business demands. Organizations can increase processing power by adding more resources without significant disruption. This scalability, combined with the system’s built-in virtualization capabilities, allows businesses to optimize resource usage and streamline operations.

Security is another defining feature of the AS/400E. The platform incorporates various layers of security measures, including user authentication, encryption, and comprehensive auditing capabilities, ensuring that sensitive business data is protected against unauthorized access.

Overall, the IBM AS/400E remains a powerful tool in the enterprise computing landscape, providing businesses with an integrated, reliable, and secure solution for their technological needs. Its enduring popularity is a testament to its capability to evolve with changing business requirements while maintaining its core attributes of high performance and stability.

IBM AS/400E manual Client Mounting of File Systems, NFS Startup, Shutdown, and Recovery

Models: AS/400E

Chapter 5. Client Mounting of File Systems

Chapter 6. Using the Network File System with AS/400 File Systems . . . 55

Chapter 7. NFS Startup, Shutdown, and Recovery

Chapter 8. Integrated File System APIs and the Network File System . . . 77

Chapter 9. Network File System Security Considerations

AS/400E specifications