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SuperTrak TX Series User Manual
172
Choosing a RAID Level
There are several issues to consider when choosing the RAID Level for your
logical drive. The following discussion summarizes some advantages,
disadvantages and applications for each choice.
RAID 0
Recommended applications for RAID 0:
•Image Editing
• Pre-Press Applications
• Any application requiring high bandwidth
RAID 1
Recommended applications for RAID 1:
• Accounting/Financial
•Payroll
• Any application requiring very high availability
Advantages Disadvantages
Implements a striped logical drive, the
data is broken down into blocks and
each block is written to a separate
physical drive
I/O performance is greatly improved by
spreading the I/O load across many
channels and drives
No parity calculation overhead is
involved
Not a true RAID because it is not fault-
tolerant
The failure of just one drive will result
in all data in an logical drive being lost
Not suitable for mission critical
environments
Advantages Disadvantages
Simplest RAID storage subsystem
design
Can increase read performance by
processing data requests in parallel
since the same data resides on two
different drives
Very high physical drive overhead –
uses only 50% of total capacity
- TX8650, TX8658 1
- Copyright 2
- Trademarks 2
- Recommendations 2
- Contents 11
- Chapter 1: Introduction 13
- Product Overview 14
- Operating System Support 15
- Browser Support 15
- Key Features and Benefits 16
- Specifications 18
- Chapter 2: Installation 19
- Installing the SuperTrak Card 20
- Choosing the Physical Drives 24
- Installing the CLI 30
- Installing onto Linux 35
- Installing WebPAM PRO 42
- Internet Browser 43
- Logging into WebPAM PRO 61
- Login Screen 62
- Setting up WebPAM PRO 63
- Chapter 3: Installing Drivers 65
- Driver Installation Media 66
- Windows Server 2008 68
- Existing System 69
- Windows Server 2003 70
- Red Hat Linux 72
- SuSE Linux 73
- SuperTrak BIOS 75
- Accessing the Main Menu 78
- Configuring Physical Drives 81
- Creating a Spare Drive 90
- Changing Spare Drive Settings 90
- Deleting a Spare Drive 91
- Using the Miscellaneous Menu 92
- Working with the Buzzer 93
- Logging in over the Network 96
- Accessing the Interface 98
- Using the Header 99
- Using Tree View 99
- Using Management View 100
- Choosing a Display Language 101
- Viewing the Event Frame 101
- Saving the Event Frame 102
- Deleting the Event Frame 102
- Viewing the Storage Network 102
- Logging out of WebPAM PRO 103
- Managing Users 104
- Making Your Own User Settings 105
- Changing a User’s Password 105
- Changing Your Own Password 105
- Creating a User 106
- Deleting a User 106
- Adding a Subsystem or Host 108
- Deleting a Subsystem or Host 109
- Setting User Privilege 109
- Managing Software Services 110
- Restarting the Tomcat Server 111
- Setting up Email Service 111
- Setting up Extended SMTP 112
- Sending A Test Email Message 112
- Changing CIM Client Settings 113
- Changing CIM Server Settings 113
- Managing the Host 114
- Managing the Subsystem 115
- Viewing the Runtime Event Log 116
- Saving the Runtime Event Log 116
- Viewing the NVRAM Event Log 117
- Saving the NVRAM Event Log 117
- Clearing the NVRAM Event Log 118
- Running Background Activities 120
- Running Media Patrol 120
- Viewing Scheduled Activities 120
- Scheduling an Activity 120
- Deleting a Scheduled Activity 122
- Viewing System Configuration 122
- Managing the Controller 124
- Making Controller Settings 126
- Silencing the Buzzer 126
- Making Buzzer Settings 126
- Testing the Buzzer 127
- Viewing Buzzer Information 127
- Managing Enclosures 128
- Managing Physical Drives 129
- Managing Disk Arrays 132
- Creating a Disk Array 133
- Deleting a Disk Array 139
- Creating a Logical Drive 140
- Deleting a Logical Drive 141
- Migrating a Disk Array 142
- Rebuilding a Disk Array 143
- Managing Logical Drives 145
- Locating a Logical Drive 146
- Initializing a Logical Drive 147
- Running Redundancy Check 148
- Managing Spare Drives 149
- Deleting Spare Drive 150
- Making Spare Drive Settings 151
- Opening the CLI on Windows 155
- Opening the CLI on Linux 156
- Table of Supported Commands 157
- Notes and Conventions 158
- List of Supported Commands 159
- Examples 162
- Introduction to RAID 179
- RAID 0 – Stripe 180
- RAID 1 – Mirror 181
- RAID 10 – Mirror / Stripe 182
- PassThru / Bypass Mode 183
- Choosing a RAID Level 184
- Choosing Stripe Block Size 186
- Choosing Sector Size 186
- Initialization 187
- Hot Spare Drives 188
- RAID Level Migration 188
- Media Patrol 191
- When a Physical Drive Fails 192
- With a Hot Spare Drive 193
- Without a Hot Spare Drive 194
- Rebuild Operation 194
- Chapter 8: Troubleshooting 195
- Global LED Display 196
- Direct LED Display 196
- Open WebPAM PRO 199
- What to Look For 199
- Rebuilding a Logical Drive 203
- Manual Rebuild: WebPAM PRO 204
- Chapter 9: Support 207
- Drive Issues 208
- Post-Installation 210
- Contacting Technical Support 211
- China – Beijing 213
- China – Shanghai 213
- Attn: Technical Support 213
- Limited Warranty 214
- Your Responsibilities 215
- (below) 222
- Appendix B: Upgrades 223
- All Done! 224
- Press any key to reboot 224
- Updating WebPAM PRO 225
- Schematic Diagrams 227
- LED activity = Low 228
- Aggregate LED Display 229
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