Compex SCSI TO S-ATA RAID Specifikace Strana 194
- Strana / 258
- Tabulka s obsahem
- KNIHY
Hodnocené. / 5. Na základě hodnocení zákazníků
Implementations for AV Applications
13-1
Implementations for AV
Applications
This chapter introduces some new firmware functions for AV applications.
More options will be available for AV applications with future firmware
releases.
NOTE:
All figures in this chapter are showing examples using the management
hyper terminal screen.
10.1 Maximum Drive Response Time
In situations such as drive failure or the occurrence of media error, a read
or write action returned after several hundreds milliseconds would prove
too long and cause choppy audio or dropped video frames.
The maximum response time option, as displayed below, provides a
timeout value for processing read/write requests. If timeout is reported on a
specific member of an array, the subsystem immediately retrieves data
from the parity data and other members of the array. In this way, causes of
delay can be eliminated.
Chapter
10
- SCSI to SATA RAID 1
- Subsystems 1
- Operation Manual 1
- Contact Information 2
- Copyright 2006 3
- Table of Contents 4
- Chapter 7 Data Integrity 7
- Chapter 8 Array Expansion 8
- Appendix C. Event Message 9
- About This Manual 10
- Revision History 11
- Who should read this manual? 11
- Related Documentations 11
- Conventions 12
- CAUTION! 12
- WARNING! 12
- LCD Screen Messages 14
- 1.3 Logical Drive Status 15
- 1.4 Logical Volume Status 17
- 1.5 Drive Status 17
- CH0=Host = 18
- LCD Keypad Operation 22
- 2.2.5 Periodic Cache Flush 25
- 2.3 View Connected Drives: 26
- 2.4.4 Maximum Drive Capacity 28
- 2.4.6 Disk Reserved Space 28
- 2.4.7 Write Policy 28
- 2.4.8 Initialization Mode 29
- 2.4.9 Stripe Size 29
- 2.5.1 Initialization Mode 31
- 2.5.2 Write Policy 31
- Drive to Host LUN 33
- Settings 34
- 2.8.3 Rebuild Settings 35
- Drive Members 36
- 2.9.7 Write Policy 41
- 2.12.1 Viewing IDs 43
- 2.12.2 Adding a Channel ID 43
- 2.12.3 Deleting a Channel ID 43
- 2.12.4 Data Rate 45
- 2.13 System Functions 46
- 2.13.3 Reset Controller 47
- 2.13.4 Shutdown Controller 47
- 2.13.6 Saving NVRAM to Disks 48
- 2.13.8 Adjust LCD Contrast 49
- 2.14.1 Controller Name 49
- 2.15 Drive Utilities 51
- 2.15.1 Drive Read/Write Test 52
- Changing Password, 26 55
- Limitations on optimization 55
- Terminal Screen Messages 57
- 3.2 Main Menu 59
- 3.3 Quick Installation 59
- 3.4 Logical Drive Status 60
- 3.5 Logical Volume Status 62
- 3.6 Drive Status 62
- 3.7 Channel’s Status 64
- Terminal Operation 71
- 4.2 Caching Parameters 72
- Stripe Size: 73
- Opt. for Sequential I/O 73
- Opt. for Random I/O 73
- 4.4.1 Choosing a RAID Level 77
- 4.4.2 Choosing Member Drives 78
- 4.4.3.2 Assign Spare Drives 79
- 4.4.3.3 Disk Reserved Space 79
- 4.4.3.4 Write Policy 79
- 4.4.3.5 Initialization Mode 79
- 4.4.3.6 Stripe Size 80
- 4.5 RAID Migration 81
- 4.5.2 Migration Methods 82
- Figure 4 - 19: Confirm Box 84
- Figure 4 - 23: Confirm Box 85
- Figure 4 - 27: Confirm Box 88
- 4.10.9 Media Scan 99
- 4.10.10 Write Policy 100
- Function Availability 102
- 4.12.2 Disk Reserved Space 103
- 4.12.3 Identifying Drives 104
- 4.12.3.2 Flash All Drives 105
- IMPORTANT! 107
- 4.13.2 Adding an ID 108
- 4.13.3 Deleting an ID 108
- 4.14 System Functions 110
- 4.14.1 Mute Beeper 111
- 4.14.2 Change Password 111
- 4.14.3 Changing the Password 112
- 4.14.6 Reset Controller 113
- 4.14.7 Shutdown Controller 113
- 4.15 Controller Parameters 114
- 4.15.3 Saving NVRAM to Disks 115
- Time Zone 118
- Date and Time 118
- 4.16 View Drive Information 119
- 4.17 Drive Utilities 119
- Host-side and Drive-side 123
- Parameters 123
- Figure 5 - 1: SCSI ID/LUNs 124
- Connection 125
- 5.1.4 LUNs per Host ID 126
- 5.1.5 LUN Applicability 127
- 5.1.6 Peripheral Device Type 127
- 5.1.7 In-band (SCSI channel) 127
- Operating Systems 128
- 5.2 Drive-side Parameters: 132
- 5.2.1 Disk Access Delay Time 133
- 5.2.2 Drive I/O Timeout 133
- 5.2.5 Drive Delayed Write 136
- Enclosure Management 139
- The Operations 140
- The Trigger 140
- Operations 142
- 6.2 UPS Support 145
- Figure 6 - 11: I 147
- C Device Information 147
- This page is intentionally 148
- Data Integrity 150
- The Function: 154
- 7.2.1 Task Scheduler 154
- Creating a New Schedule 155
- 7.2.2 Task Scheduler Options 155
- Start Time and Date 156
- Execution Period 156
- Media Scan Mode 157
- Media Scan Priority 157
- Select Logical Drives 158
- Array Expansion 163
- 2. Size of the New Drive: 164
- 3. Applicable Arrays: 164
- 8.3 Mode 1 Expansion: 165
- Add Drive Procedure 166
- Figure 8 – 5: Select Drives 167
- 8.4 Mode 2 Expansion: 168
- Larger Capacity 168
- Copy and Replace Procedure 169
- Expand Logical Drive 171
- 8.6 Expand Logical Volume 173
- Extension in Windows 2000 173
- Example 174
- S.M.A.R.T. Configuration 182
- 9.1.2 Replace after Clone 183
- 9.1.3 Perpetual Clone: 184
- 9.1.4 S.M.A.R.T 186
- Disabled 187
- Detect Only: 187
- NOTE: 188
- Using S.M.A.R.T. Functions 191
- Implementations for AV 194
- Applications 194
- 10.2 AV Optimization Mode 195
- Firmware Functionality 198
- Specifications 198
- A.2 Advanced Features: 200
- A.3 Caching Operation: 202
- A.4 RAID Expansion: 204
- A.5 S.M.A.R.T. Support: 204
- A.6 Redundant Controller: 204
- A.7 Data Safety: 206
- A.8 System Security: 207
- A.9 Environment Management: 208
- A.10 User Interface: 209
- A.11 High Availability: 209
- System Functions: 211
- Upgrading Firmware 211
- Manager 212
- RAIDWatch Program 214
- Terminal Emulation 215
- Terminal Screen 216
- Figure B - 5: Sending Files 217
- Event Messages 220
- C.1 Logical Drive Events 221
- C.2.1 Critical: 223
- C.2.2 Warning: 223
- C.2.3 Notification: 224
- C.3 General Target Events 225
- C.4 Controller Events 227
- C.5 Logical Drive Events 228
- C.5.2 Notification: 232
- C.6.3 Notification: 243
- C.7 General Target Events 245
- C.8 Controller Events 252
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