MicroNet Fibre to SAS/SATA II RAID Subsystem Bedienungsanleitung Seite 71
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FIBRE-to-SAS/SATA RAID SUBSYSTEM
User Manual
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6.1.3 RAID Profile Usage
The RAID profile allows you to optimize your RAID system so that it best suites the
application for which it is to be used. The following table shows the RAID profiles that
are available and explains each option:
Profile Description
Read
Cache
Write
Cache
Stripe
Unit
Size
***
Expected
Sequential/
Random Mix
Expected
Read/
Write Mix
Workstation
/ CAD
For general
desktop
applications
Read &
Read
Ahead
On 128
70% Sequential
30% Random
70% Read
30% Write
File Server
For file
server and
network
storage
Read &
Read
Ahead
On 256
50 % Sequential
50% Random
70% Read
30% Write
Media Server
For video
and creative
content
storage
Read
Ahead
On 256
90% Sequential
10 % Random
50% Read
50% Write
Database
For
transaction
processing
Read On 64
10 % Sequential
90 % Random
90% Read
10% Write
Media Server
- No init **
For video
and creative
content
storage
Read
Ahead
On 256
90% Sequential
10 % Random
50% Read
50% Write
When a RAID is created, the profile determines the default caching parameters (which
can be changed after RAID creation) and the stripe unit size (which cannot be changed
after RAID creation).
The default profile when the system is shipped is 'File Server'.
** A RAID with a profile of 'Media Server - No init' is not initialised and is immediately
available. Small writes will incur a small penalty.
*** measured in sectors
- User Manual 1
- Table of Contents 2
- Preface 6
- Before You Begin 7
- Chapter 1 Introduction 9
- 1.2 Enclosure Chassis 11
- 2.1 Controller Module 13
- For PRO-90-5601 SES board: 26
- 2.4 Drive Carrier Module 32
- 2.5 LCD Display Panel 36
- Environmental Status 37
- 2.7 Backup Battery Unit 49
- Chapter 4 RAID Levels 54
- RAID 1 – Mirroring 55
- Chapter 5 proRAID Manager 57
- Miscellaneous 62
- Expanders 63
- Logical Volumes 64
- 5.4 Screen Template 66
- Chapter 6 RAID Management 67
- 6.1.2.1 Read Cache Data 69
- 6.1.2.3 Write Cache Data 69
- 6.1.2.4 Disk Caching 70
- 6.1.3 RAID Profile Usage 71
- 6.1.4.1 Disabled 73
- 6.1.4.2 ASAP 73
- 6.1.4.3 Background 73
- 6.2 Creating a RAID 74
- 6.3 View RAID Set 80
- 6.4 Modify/Delete RAID Set 83
- 6.4.2 Deleting the RAID 85
- 6.4.3 Renaming the RAID 86
- 6.5 Expanding a RAID 87
- 6.6 Rebuilding a RAID 89
- 6.7 Verifying a RAID 90
- 6.8 Sparing Strategy 91
- 6.8.2 Deleting a Hot Spare 93
- 6.8.3 Viewing Hot Spares 94
- 6.9 RAID Ownership 95
- View Logical Volumes 101
- 7.4 Host Mapping 109
- Chapter 8 Monitoring 112
- 8.2 Disks 115
- 8.2.1.1 Disk Status 116
- 8.2.2 Disk Errors 117
- 8.3 Port Statistics 118
- 8.4 Event Log 120
- Chapter 9 Administration 122
- 9.2 Fibre Channel Config 123
- 9.3 Ethernet Configuration 125
- 9.5 SNMP Configuration 129
- 9.6 Change Password 131
- 9.7 Update Firmware 132
- 9.8 Reset Controller 133
- 9.9 Telnet 134
- 9.11 Config Save/Restore 136
- 9.12 Export Status 137
- 9.13 Set Date and Time 138
- 9.14 Setup Wizard 139
- Chapter 10 Troubleshooting 140
- 10.2 Alert Messages 144
- 10.2.2 Warnings 146
- Appendix 149
- For SES2 board PRO-90-5601: 151
- For PRO-90-6601 SES board: 154
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