Front cover -- Contents -- Figures -- Tables -- Examples -- Notices -- Trademarks -- Preface -- The team that wrote this redbook -- Become a published author -- Comments welcome -- Summary of changes -- October 2004, Second Edition -- Part 1 Network Attached Storage concepts and hardware -- Chapter 1. The main concept behind Network Attached Storage -- 1.1 How this book is organized -- 1.2 Local Area Networks -- 1.3 Open Systems Interconnection (OSI) model -- 1.3.1 Device driver and hardware layer -- 1.3.2 Internet Protocol layer -- 1.3.3 The transport layer -- 1.3.4 Application layer -- 1.3.5 Protocol suites -- 1.4 File systems and I/O -- 1.4.1 Network file system protocols -- 1.4.2 Understanding I/O -- 1.5 Network Attached Storage (NAS) -- 1.5.1 File servers -- 1.5.2 Designated Network Attached Storage -- 1.5.3 NAS uses File I/O -- 1.5.4 NAS benefits -- 1.5.5 Other NAS considerations -- 1.5.6 Total cost of ownership -- 1.6 Industry standards -- 1.6.1 Storage Networking Industry Association -- 1.6.2 Internet Engineering Task Force -- Chapter 2. Products overview -- 2.1 IBM TotalStorage NAS Gateway 500 -- 2.1.1 NAS Gateway 500 connectivity -- 2.1.2 IBM NAS Gateway 500 sample storage connectivity -- 2.1.3 NAS Gateway 500 features -- 2.1.4 Hardware components -- 2.1.5 Software components -- 2.1.6 NAS Gateway 500 volumes -- 2.1.7 NAS Gateway 500 file serving -- 2.1.8 Integrated data protection -- 2.1.9 IBM Tivoli Storage Manager integration -- 2.1.10 High availability configuration using redundant storage -- 2.1.11 Extended cluster configuration with remote mirroring -- 2.1.12 More information -- 2.2 IBM Enterprise Storage Server (ESS) -- 2.2.1 Overview -- 2.2.2 Product highlights -- 2.3 IBM Fibre Array Storage Technology (FAStT) -- 2.3.1 Overview -- 2.3.2 Product highlights -- 2.4 IBM TotalStorage SAN Switch M12 -- 2.4.1 Overview.

2.4.2 Product highlights -- 2.5 IBM TotalStorage SAN Volume Controller -- 2.5.1 Overview -- 2.5.2 Product highlights -- 2.6 IBM TotalStorage SAN Integration Server -- 2.6.1 Overview -- 2.6.2 Product highlights -- Part 2 SAN storage configuration -- Chapter 3. NAS Gateway 500 storage considerations -- 3.1 Sharing SAN-based storage -- 3.2 To SAN or not to SAN -- 3.2.1 Finding the World Wide Name (WWN) -- 3.3 SAN storage considerations -- 3.3.1 Infrastructure -- 3.3.2 Storage devices -- 3.3.3 Host attachment scripts -- 3.3.4 Subsystem Device Driver -- Chapter 4. SAN zoning -- 4.1 Zoning the IBM 2109 -- Chapter 5. FAStT storage configuration -- 5.1 Creating logical drives -- 5.2 Defining hosts -- 5.3 Mapping logical drives -- Chapter 6. ESS storage configuration -- 6.1 Regarding SAN zoning -- 6.2 Setting up the ESS -- 6.2.1 Configuring ESS for open systems storage -- 6.2.2 Configuring disk groups -- 6.2.3 Configuring host adapter ports -- 6.2.4 Modifying host systems -- 6.2.5 Adding volumes -- 6.2.6 Modifying volume assignments -- Part 3 Implementation -- Chapter 7. Single node setup -- 7.1 Our environment -- 7.2 Planning for the setup -- 7.3 Service/management connections and indicators -- 7.4 Basic setup of a single node NAS Gateway 500 -- 7.4.1 Connecting and powering on the NAS Gateway 500 -- 7.4.2 Web-based System Manager Remote Client installation -- 7.4.3 Basic setup using Web-based System Manager Remote Client -- 7.4.4 Initial Configuration wizard -- 7.4.5 CIFS wizard -- 7.4.6 Volume wizard -- 7.4.7 Configuring Link Aggregation -- Chapter 8. Subsequent configuration -- 8.1 Network configuration -- 8.1.1 Network interface description -- 8.1.2 TCP/IP configuration -- 8.2 Storage configuration -- 8.2.1 General storage concepts -- 8.2.2 What are Snapshots? -- 8.2.3 Handling snapshots -- 8.2.4 Discovering storage devices -- 8.2.5 Creating a NAS volume.

8.2.6 Creating a mirror -- 8.3 OpenSSH for command line access -- 8.3.1 How to obtain OpenSSH -- 8.3.2 Installing OpenSSL -- 8.3.3 Installing OpenSSH -- 8.3.4 Using OpenSSH -- 8.3.5 How to deactivate telnet -- 8.4 System errors and notification -- 8.4.1 Service Processor -- 8.4.2 Electronic Service Agent -- 8.4.3 NAS Log -- 8.4.4 Operating system error logging -- 8.4.5 System error log -- 8.4.6 System Attention LED -- Chapter 9. Cluster configuration -- 9.1 Cluster concepts -- 9.1.1 High availability -- 9.1.2 Cluster topology -- 9.1.3 Cluster resources -- 9.2 Cluster planning -- 9.2.1 Eliminate the single point of failure -- 9.2.2 Planning cluster networks -- 9.2.3 Planning cluster disks -- 9.2.4 Planning cluster resources -- 9.3 Our cluster configuration -- 9.3.1 Our cluster topology -- 9.3.2 Our shared disks -- 9.3.3 Our resources -- 9.3.4 Recommended SAN environment -- 9.4 Cluster setup -- 9.5 Additional setup tasks -- 9.5.1 Checking the cluster status -- 9.5.2 Handling the default gateway -- 9.5.3 Creating file access users -- 9.5.4 Creating CIFS users -- 9.6 Testing the cluster -- 9.6.1 File serving testing -- 9.6.2 Cluster verification -- 9.6.3 Simulating errors -- 9.7 Cluster management -- Chapter 10. Remote Mirroring configuration -- 10.1 General HACMP/XD concepts -- 10.1.1 Business Continuity and Disaster Recovery -- 10.1.2 Node failure -- 10.1.3 Site failure -- 10.1.4 Site isolation -- 10.1.5 The position of HACMP/XD -- 10.1.6 HACMP/XD basic components -- 10.2 Planning -- 10.2.1 Supported configurations -- 10.3 Two-node cluster configuration -- 10.3.1 Our cluster topology -- 10.3.2 Remote mirroring device -- 10.3.3 Our resources -- 10.3.4 Setting up the two-node HACMP/XD cluster -- 10.4 Four-node cluster configuration -- 10.4.1 Our cluster topology -- 10.4.2 Remote mirroring device -- 10.4.3 Our resources.

10.4.4 Setting up the four-node HACMP/XD cluster -- 10.5 Failure recovery -- 10.5.1 Local failures -- 10.5.2 Site isolation -- 10.5.3 Site failure -- 10.6 State map managing utilities -- 10.6.1 Viewing the state map status -- 10.6.2 Dumping a state map -- 10.6.3 Dirtying a state map -- 10.6.4 Cleaning a state map -- 10.6.5 Unifying state maps -- 10.7 Data divergence -- Chapter 11. Windows systems integration -- 11.1 CIFS concepts -- 11.1.1 Authentication -- 11.2 Creating a CIFS share -- 11.3 User creation on the NAS Gateway 500 -- 11.3.1 User creation -- 11.3.2 Dynamic user creation -- 11.4 Creating file system shares -- 11.5 Advanced CIFS features -- 11.6 Connecting Windows 2000 and 2003 -- 11.6.1 Connecting and mapping a Windows client -- 11.7 Setting up startup scripts for Windows -- 11.8 Disabling auto disconnect -- 11.9 Publishing shares to Active Directory -- Chapter 12. UNIX systems integration -- 12.1 NFS protocol on NAS Gateway 500 -- 12.2 Configuring NFS shares on NAS Gateway 500 -- 12.2.1 Configuring NFS shares through WebSM -- 12.2.2 Configuring NFS shares with SMIT -- 12.3 Access NAS Gateway 500 file service from AIX -- 12.3.1 Mounting an NFS file system on AIX -- 12.3.2 AIX NFS mount problem determination -- 12.3.3 Tuning AIX to improve NAS Gateway 500 NFS performance -- 12.4 Access NAS Gateway 500 file service from HP-UX -- 12.4.1 Mounting a NAS Gateway 500 NFS filesystem on HP-UX -- 12.4.2 HP-UX NFS mount problem determination -- 12.5 Access NAS Gateway 500 file service from Solaris -- 12.5.1 Mounting a NAS Gateway 500 NFS filesystem on Solaris -- 12.5.2 Solaris NFS mount problem determination -- Chapter 13. Linux systems integration -- 13.1 Red Hat Linux: Access a NAS Gateway 500 share -- 13.1.1 Mounting a NAS Gateway 500 NFS share on Red Hat Linux -- 13.1.2 Troubleshooting the NFS mount on Red Hat Linux.

13.2 SUSE LINUX: Access a NAS Gateway 500 share -- 13.2.1 Mounting a NAS Gateway 500 NFS share on SUSE LINUX -- 13.2.2 Troubleshooting the NFS mount on SUSE LINUX -- Chapter 14. Apple systems integration -- 14.1 Apple Mac OS 10.x accessing an NFS share -- Part 4 Backup and recovery -- Chapter 15. Backup and restore basics and user interfaces -- 15.1 User interfaces for backups and restores -- 15.1.1 The WebSM interface -- 15.1.2 The SMIT menu -- 15.1.3 The command line interface -- 15.2 Fundamental backup and restore techniques -- Chapter 16. Bootable backups and restores -- 16.1 Overview: bootable backup/restore -- 16.2 System backup manager (mksysb and mkcd) -- 16.2.1 Backup with the system backup manager (mksysb) -- 16.2.2 Restoring with the system backup manager -- 16.3 Recovery using the Recovery CDs -- 16.3.1 The system is powered off -- 16.3.2 The system is powered on -- 16.4 Network Install Manager (NIM) -- 16.4.1 NIM basics -- 16.4.2 NIM installation and configuration -- 16.5 SysBack for Bare Machine Recovery -- 16.5.1 SysBack introduction -- 16.5.2 Backup with SysBack -- 16.5.3 Restore with SysBack -- Chapter 17. File, file system, and volume group backup and restore -- 17.1 Basics for file and file system backup -- 17.1.1 The mknasb and restnasb commands -- 17.1.2 The backup and restore commands (full and incremental) -- 17.1.3 The restvg and savevg commands -- 17.1.4 Split mirror backup -- 17.1.5 The backsnap (JFS2 command) -- 17.1.6 The dd, cpio, tar, pax and other commands -- Chapter 18. IBM Tivoli Storage Manager integration -- 18.1 Introduction to IBM Tivoli Storage Manager -- 18.1.1 NAS Gateway 500 and IBM Tivoli Storage Manager -- 18.1.2 IBM Tivoli Storage Manager Server configuration -- 18.1.3 IBM Tivoli Storage Manager Client configuration -- 18.1.4 Automation of backups -- 18.1.5 Clustering considerations -- Part 5 Appendixes.

Appendix A. Error log information.