Specifications
Table Of Contents
- IBM PC Server and Novell NetWare Integration Guide
- Abstract
- Contents
- Figures
- Tables
- Special Notices
- Preface
- Chapter 1. IBM PC Server Technologies
- Processors
- Clock Rate
- External Interfaces
- Processor Types
- Multiprocessing
- Memory
- Caches
- Memory Interleaving
- Dual Path Buses
- SynchroStream Technology
- Memory Error Detection and Correction
- Standard (Parity) Memory
- Error Correcting Code (ECC)
- Error Correcting Code- Parity Memory (ECC- P)
- ECC on SIMMs (EOS) Memory
- Performance Impact
- Memory Options and Speed
- Bus Architectures
- ISA Bus
- EISA Bus
- Micro Channel Bus
- PCI Bus
- Disk Subsystem
- Hard Disk Interfaces
- SCSI Technology
- SCSI Adapters
- Hard Disk Drives
- RAID Technology
- RAID Classifications
- Recommendations
- LAN Subsystem
- Shared RAM Adapters
- Bus Master Adapters
- PeerMaster Technology
- Security Features
- Tamper- Evident Cover
- Secure I/ O Cables
- Passwords
- Secure Removable Media
- Selectable Drive Startup
- Unattended Start Mode
- Systems Management
- DMI
- SNMP
- NetFinity
- SystemView
- Fault Tolerance
- NetWare SFT III
- Uninterruptible Power Supply (UPS)
- APC PowerChute
- Chapter 2. IBM PC Server Family Overview
- Chapter 3. Hardware Configuration
- The Setup Program
- Main Menu
- Advanced Menu
- Security
- EISA Configuration Utility
- SCSI Select Utility Program
- System Programs
- Starting From the System Partition
- Starting From the Reference Diskette
- Main Menu Options
- Backup/ Restore System Programs Menu
- Set Configuration Menu
- Set Features Menu
- Test the Computer
- More Utilities Menu
- Advanced Diagnostic Program
- RAID Controller Utility
- Drive Information
- Formatting the Disks
- Defining a Hot- Spare Disk
- Creating a Disk Array
- Defining Logical Drives
- Setting the Write Policy
- Initializing the Array
- Backup/ Restoring the Configuration
- Chapter 4. Novell NetWare Installation
- ServerGuide Overview
- Starting ServerGuide
- Installing NetWare 4.1 with ServerGuide
- Installing NetWare 3.12 with Diskettes
- Hardware Requirements
- Software Requirements
- Information Requested at Time of Installation
- Installation Files
- Installation Procedure
- Installing NetWare 4.1 with the Original CD- ROM
- Hardware Requirements
- Software Requirements
- Installation Procedure
- NetFinity Services for NetWare
- System Requirements
- Installing NetFinity Services for NetWare
- The RAID Administration for NetWare Utility
- Installing the Utility
- Hard Disk Failure Simulation
- Simulating with a Hot Spare Drive
- Simulating without a Hot Spare Drive
- Chapter 5. Performance Tuning
- Appendix A. EISA Configuration File
- Appendix B. Hardware Compatibility, Device Driver, and Software Patch Information
- Appendix C. Configuring DOS CD-ROM Support
- List of Abbreviations
- Index
- Special Characters C
- Numerics
- A
- B
- D
- E
- F
- H
- M
- I
- N
- K
- L
- O
- P
- S
- Q
- R
- T
- U
- V
- W
- Z
- ITSO Technical Bulletin Evaluation RED000
Attention
Set this parameter to ON only if you are absolutely sure your backup strategy
enables you to restore a file which has been deleted.
5.3.1.11 Enable Disk Read After Write Verify
In NetWare, this read-after-write verify capability complements the hot fix
function. This allows the system to prevent any file from being written to a bad
disk block by attempting to read the data after it has been written to disk.
NetWare′s read-after-write capability and hot fix function are implemented in
software.
This value is normally determined by the device driver and normally defaults to
ON.
On all IBM disk controllers, this read-after-write operation is completed at the
hardware level. Leaving this parameter ON will degrade disk subsystem
performance.
You can modify this value using the set command in the AUTOEXEC.NCF file as
follows:
SET ENABLE READ AFTER WRITE VERIFY=VALUE
NetWare 3.12 and 4.1:
Default = ON
This value can be viewed and set by using the MONITOR.NLM utility.
5.3.2 Network Subsystem
Poor network design or network traffic congestion can have an adverse effect on
the server and workstation performance. The following sections highlight some
important factors to consider in order to optimize the performance of the network
subsystem.
5.3.2.1 LAN Device Driver Efficiency
The device driver is responsible for communicating between the NetWare
operating system and the LAN adapter hardware. It assembles and
disassembles the IPX packets on the LAN as they come through the driver.
The NetWare device drivers produced by IBM and Novell are checked for
performance before they are released. If they do not perform better (or at least
as fast as the old driver), they are not released. Therefore, always use the latest
device driver unless otherwise stated.
Some of the software LAN adapter device drivers are written with command line
options which can be used to change the behavior of the device driver. For
example, some third party manufacturers have a command line option to switch
the early token release option on or off. This option is available on most 16
Mbps token-ring adapters.
182 NetWare Integration Guide