Acer Altos RAIDWatch - Raid Levels

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RAID Levels

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Parity (3,4)

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Parity (5,6)

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Table of Contents

Table of Contents3
Preface9
- Who Should Use this Manual9
- Structure of this Manual9
Conventions11
Reference Information11
Revision History12
- Product Description15
- Feature Summary15
- Featured Highlights17
- Conceptual Foundation19
- System Requirements21
  - Server Running Altos Raidwatch21
  - Local Client Running Altos Raidwatch Manager22
- RAID Chart22
- Platform Requirements23
- Software Setup28
- List of Filenames39
- Program Updates40
- In-Band SCSI40
  - Configuring a RAID Controller to Use In-Band SCSI41
- Introduction45
- Accessing the Configuration Panel45
  - Using Windows - Altos Raidwatch Installed as In-Band45
  - Using Web Browser - Altos Raidwatch Installed as Applet46
- Primary Agent Configuration47
  - Base Settings47
- Managed Secondary Agent Settings49
Secondary Agent Settings50
NPC Settings51
- Agent51
- Event Log52
- Pager Settings53
- Email Settings54
- SNMP Settings56
- Broadcast Settings57
Rebooting the Controller59
Starting Altos Raidwatch61
- Starting Altos Raidwatch Agents61
Starting Altos Raidwatch Manager62
- Starting Altos Raidwatch Manager Locally or Via LAN under the Windows (95/98/Me/Nt/2000/Xp) Environment62
- Starting Altos Raidwatch Manager for Remote Management Via Web Browser (any Supported OS)63
- Starting Altos Raidwatch Manager Locally or Via a LAN under a Unix or AIX Workstation (Solaris 7 (SPARC, X86); Red hat Linux 6.1) Environment63
Connecting and Disconnecting from a Disk Array64
- Connecting to a RAID System While Working from the Local Primary Agent Host64
- Connecting to a RAID System from a Distant Host65
- Disconnecting from a Disk Array System67
Setting up Security67
- Setting a Password for Altos Raidwatch Controller Access67
- Setting TCP Port Numbers68
Look and Feel69
- Look and Feel Overview69
- Navigation Menus69
- Tool Bar70
- Common Commands70
- Menu Commands71
- Windows Display Area71
Using the RAID View Window72
- Accessing the RAID View Display72
- Using the Configuration View74
- Using the Logical View74
- Using the Physical View76
Using the Enclosure Window78
- Accessing the Enclosure Display78
- Using the Enclosure Window79
Event Window80
- Accessing the Event Log Display80
- Using the Event Log to Monitor the System80
The Statistics Window81
- Accessing the Statistics Window81
- Using the Statistics Window81
- Arranging Windows82
Exiting Altos Raidwatch Manager83
- Exiting from Altos Raidwatch Manager83
- Exiting from Altos Raidwatch Manager Connected Via Web Browser83
- Background Information85
  - Definition of Terms86
- Operating with Spare Drives86
- Operating Without Spare Drives87
- Before You Start87
- Configuring the Controller89
- Accessing Controller Configuration Options90
- Caching90
- Host-Side91
- Drive-Side92
- Raid93
- Controller93
- Communication96
- Accessing Channel Configuration Options99
- User-Configurable Channel Parameters100
  - ID Pool / PID / SID100
- Setting the Configuration of a Channel100
- Scanning in Drives103
  - Scanning in a Drive103
- Logical Drive Management104
  - Accessing the "Create Logical Drive" Window104
  - Creating Logical Drives105
  - Expanding a Logical Volume109
  - Dynamic Logical Drive Expansion112
  - Adding and Deleting Spare Drive Assignments115
  - Rebuilding Logical Drives118
  - Deleting a LD119
- Creating and Deleting Logical Volumes122
  - Accessing the "Create Logical Volume" Window122
  - Creating Logical Volumes123
  - To Expand a Logical Volume127
  - Delete a Logical Volume129
- Partitions130
  - Overview130
  - Partitioning a Logical Drive (LD)130
  - Partitioning a Logical Volume (LV)132
- Accessing the LUN Map Table135
- LUN Mapping137
  - Mapping a Complete LD or LV137
- Map a Logical Drive or Volume Partition to a Host LUN139
- Deleting a Host LUN Mapping142
Extended LUN Mapping143
- Preliminaries143
- Adding a WWN Name145
- Deleting an Extended LUN Mapping or WWN Name146
Monitoring149
- Accessing SES Monitoring149
- SES Management Device150
Defining Enclosures152
- Creating an Enclosure153
- Removing a Drive from an Enclosure155
Displaying the Event Log156
Monitoring Statistics156
Before You Begin160
- About NPC160
- Platform Requirements160
Basic Running Requirements160
Redundant NPC Modules161
Severity Levels161
- Level 1 Severity Events (Examples)161
- Level 2 Severity Events (Examples)162
- Level 3 Severity Events (Example)162
Configuring Notification Options162
- Configuring Modem Settings162
- Configuring Fax Notification163
Configuring Pager Notification166
Configuring Broadcast Message Notification166
Configuring E-Mail Notification167
Configuring SNMP Trap Notification168
Event Monitor Features172
- Feature Summary172
- Event Monitor Considerations172
Before You Begin173
- Basic Running Requirements173
Starting Event Monitor174
- Starting Agents and NPC174
- Running the Program175
Exiting Event Monitor177
Connecting and Disconnecting from a Disk Array178
- Connecting to a RAID System While Working from the Local Primary Agent Host178
  - Connecting to a RAID System from a Distant Host179
  - Disconnecting from a Disk Array System180
- Using the Event Monitor181
- Menu Commands187
- Before You Begin188
- Command Buttons189
- Common Oversights191
- Error Codes192
- Error Messages193
- RAID Description197
- Non-RAID Storage197
- Raid 0198
- Raid 1198
- Raid 1(0+1)199
- Raid 3200
- Raid 5200
- Raid Levels201
Glossary203