Adaptec 1542B - AHA Storage Controller Fast SCSI 10 MBps Información técnica Pagina 120
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110 Netfinity and Windows 2000 Integration Guide
6.5.1 Basic and dynamic disks
Windows 2000 supports two types of physical disks: basic disks and dynamic
disks.
• Basic disks are the traditional disks, containing primary, extended, and logical
partitions, as used in many operating systems including Windows NT, OS/2,
and DOS. Choose a basic disk if you have a dual-boot system with any of
these operating systems.
• Dynamic disks are new and only available in Windows 2000. They contain
dynamic volumes that can be expanded without a reboot. Other operating
systems cannot access dynamic disks because dynamic disks cannot contain
partitions.
By default, basic disks are created. A basic disk can be converted into a dynamic
disk, and a dynamic disk can be reverted into a basic disk (if the disk contains no
volumes). When upgrading from Windows NT 4.0 Server to Windows 2000 Server
volume sets, stripe sets, mirrors, and stripe sets with parity are preserved and the
disks remain basic disks. However, Windows 2000 will not let you create any new
basic volumes on basic disks other than ordinary partitions.
To create new software RAID or spanned volumes on Windows 2000, you must
use dynamic disks. The names of these volumes have changed from Windows NT
4.0, but the meaning is still the same (Table 16).
Table 16. Old and new volume terminology
There is a performance hit when using software RAID versus the hardware RAID
provided by adapters such as ServeRAID or Netfinity Fibre Channel. There is no
benefit in combining software and hardware RAID. Therefore, we recommend you
use either ServeRAID or Fibre Channel RAID controllers and configure your disks
as simple (or spanned) volumes or partitions.
Basic or dynamic storage works on a disk level, so you cannot mix basic
partitions and dynamic volumes on the same physical disk. Removable disks (for
example, in laptops) cannot be upgraded to dynamic storage.
For more information about basic and dynamic disks, refer to online Help by
pressing F1.
6.5.2 Upgrading a basic disk to a dynamic disk
On opening the Disk Management tool, Windows 2000 checks for any disks that
don’t have a disk signature and for basic disks that don’t contain any partitions. If
Windows NT 4.0 and basic storage Dynamic storage
Normal disk Simple volume
Volume set Spanned volume
Stripe set
2
Striped volume
2
Mirror
1
Mirrored volume
1
Stripe set with parity
1
RAID-5 volume
1
Notes:
1 Only mirrored and RAID-5 volumes are fault tolerant
2 A stripe set of striped volume is a RAID Level-0 implementation
- SG24-5319-00 1
- February 2000 3
- Contents 5
- Comments welcome 10
- Chapter 1. Introduction 11
- 1.1 IBM and Microsoft 12
- Chapter 1. Introduction 3 13
- Chapter 1. Introduction 5 15
- Windows NT 4.0: 16
- Chapter 1. Introduction 7 17
- Figure 2. Computer Management 17
- 2.1 Netfinity models 19
- 2.1.3 Netfinity 3000 22
- Table 3. Netfinity 3000 23
- 2.1.4 Netfinity 3500 M10 24
- Table 4. Netfinity 3500 M10 25
- 2.1.5 Netfinity 4000R 26
- Table 5. Netfinity 4000R 27
- 2.1.6 Netfinity 5000 28
- Table 6. Netfinity 5000 29
- 2.1.8 Netfinity 5600 32
- Table 8. Netfinity 5600 33
- 2.1.9 Netfinity 7000 M10 34
- Table 9. Netfinity 7000 M10 35
- 2.1.10 Netfinity 8500R 36
- Table 10. Netfinity 8500R 37
- 2.2 ServeRAID SCSI adapters 38
- 64/32-bit PCI Connector 39
- 32 MB EDO Cache 39
- LED Connector 39
- Battery-Backup Cache Slot 39
- 2.2.3 LVDS SCSI connectivity 40
- 2.2.4 ServeRAID adapter cache 41
- 2.3 Fibre Channel products 42
- Ethernet Port 45
- Serial Port 45
- Power Supply #1 45
- Port 7Port 0 45
- Power Supply #2 45
- 2098-02a 47
- 2.3.6 Fibre Channel cables 48
- Figure 24. Netfinity EXP200 49
- 2.5 Netfinity Director 50
- ASM interconnect 56
- Internal ASM 56
- © Copyright IBM Corp. 2000 49 59
- © Copyright IBM Corp. 2000 51 61
- Free update package 62
- Figure 32. The main menu 65
- Figure 35. Available programs 67
- Figure 40. General Setup 72
- Figure 42. Network Setup 73
- Virus alert 75
- 4.3 Replicated installations 76
- 4.4 What’snext? 76
- SMP support 78
- 5.1 SCSI disks 79
- 5.2 ServeRAID-attached disks 80
- 5.3 SMP support 83
- Figure 49. Processor options 84
- 5.4 Installing Windows 2000 85
- Figure 53. Regional Settings 87
- Figure 56 88
- Figure 59. Network Settings 90
- For more information 94
- © Copyright IBM Corp. 2000 85 95
- Figure 67. The Driver tab 97
- Important 102
- 6.2.3 Using the ASM hardware 111
- 6.4 PCI Hot Plug 113
- 6.5 Disk management 119
- 6.5.1 Basic and dynamic disks 120
- ServerGuide users 122
- Figure 100. Create Volume 123
- 6.6 Creating a repair disk 126
- Figure 106. ERD creation 127
- Figure 110. Device Manager 130
- Figure 114. Show all hardware 132
- Figure 115. Performance 135
- 7.1 System Monitor 136
- Monitoring disk activity 137
- Figure 119. Chart view 139
- 7.4.1 Adding objects 140
- 7.4.2 Deleting objects 141
- 7.5.1 Creating a counter log 142
- Figure 126. New counter log 143
- Figure 127. Log Files tab 144
- Figure 128. Schedule tab 144
- Selecting a time frame 145
- Chapter 8. Capacity Manager 147
- Report Definitions 148
- 8.4 Monitor Activator 150
- 8.5 Report Generator 151
- Figure 137. Monitor Selection 155
- 8.5.3 Generating a report 157
- 8.6 Report Viewer 159
- 8.6.1 Setting thresholds 160
- 8.6.2 The System pane 161
- 8.6.3 The Monitor pane 163
- 8.6.4 The Graph pane 163
- 8.7 Performance analysis 166
- 8.7.1 Reports produced 167
- 8.7.2 Types of bottlenecks 168
- Highlighted monitors 169
- 8.7.4 Forecast 170
- Figure 152. Forecast graph 171
- Appendix A. Special notices 173
- B.1 IBM Redbooks publications 175
- B.2 IBM Redbooks collections 175
- B.3 Referenced Web sites 175
- How to get IBM Redbooks 177
- IBM Redbooks fax order form 178
- List of abbreviations 179
- , 30, 40 183
- , 61, 76 183
- IBM Redbooks evaluation 187
- Printed in the U.S.A 188
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