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Intel SRCS14L User Guide - Page 18

Level 4: Host Drives - storage console

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Intel® Integrated RAID Controller SRCS14L • RAID 4 drives • RAID 5 drives • RAID 10 drives You can manually create an array drive by using two or more logical drives that were manually created at level 2. This action combines the original host drives associated with each of the logical drives into a single host drive at a chosen RAID level. 4.1.4 Level 4: Host Drives Host drives (RAID volumes) are created at the highest level of the hierarchy by the RAID firmware. This is done automatically upon the creation of an array drive. It is also done automatically upon the manual creation of a logical drive. Each host drive is assigned a drive number that matches the drive number of its array drive or logical drive. Host drives are the only hierarchal level drives that are detectable by the host operating system. The three lowest level hierarchal drives are transparent to the host operating system. After a capacity expansion of a given array drive, the added capacity appears to the host OS as a new host drive on this level. It can then be configured as a separate host drive or, using the 'Merge' feature in the Host Drive menu, be combined with the initial host drive of the array drive into one single host drive. Warning: Any data located on the new host drive (created from the capacity expansion) will be lost using the Merge feature. Do not use this feature if the new host drive already contains data that you do not wish to destroy. Within the Storage Console utility, each level of hierarchy has its own special menu: Level 1 Menu: Configure Physical Devices Level 2 Menu: Configure Logical Drives Level 3 Menu: Configure Array Drives Level 4 Menu: Configure Host Drives 18 Technical Product Specification

Section	Page
Intel® Integrated RAID Controller SRCS14L	1
Introduction 1	5
1.1 Acronyms	5
Table 1. Common Acronyms (Sheet 1 of 2)	5
1.2 Documentation Conventions	6
1.3 Product Overview	6
1.4 Operating System Support	6
1.5 List of Features	6
Hardware 2	8
2.1 Physical Layout	8
Figure 1. SRCS14L RAID Controller Physical Layout	8
2.2 Major Components	8
2.2.1 Intel® 80303® Intelligent I/O Processor	8
2.2.1.1 Processor Core	9
2.2.1.2 PCI-to-PCI Bridge	9
2.2.1.3 Memory Controller Unit	9
2.2.2 Intel® Smart 3 FlashFile™ Flash Memory	9
2.2.3 SDRAM (Cache)	9
2.2.4 SATA Controllers	9
2.2.5 Audible Alarm	9
2.2.6 SATA Connectors	10
2.2.7 PCI Interface	10
2.2.8 SRCS14L Jumpers	10
Figure 2. Jumper Settings and Pin Numbers	10
Table 2. Controller Jumper Settings	11
2.2.9 Diagnostic Features	11
Figure 3. LED Labels and Colors	11
Table 3. LED Descriptions	11
Table 4. Beep Sequences	12
2.3 Architecture Features (HW)	13
Table 5. Hardware Architecture	13
2.4 Electrical Characteristics	13
Table 6. Electrical Specifications	13
2.5 Environmental Specifications	13
Table 7. Environmental Test Results	13
2.6 Supported Hard Drive Technology	13
Software 3	14
3.1 Software Architecture Overview	14
Figure 4. RAID Software Stack Architecture Block Diagram	14
3.1.1 User Interface	15
3.1.1.1 Storage Console	15
3.1.1.2 Storage Console+	15
3.1.2 System Management	15
3.1.2.1 RAID Mail Utility	15
3.1.2.2 SNMP Extension Agent	15
3.1.3 Common Layers	16
3.1.3.1 PCI BIOS	16
3.1.3.2 IIR API	16
3.1.3.3 Operating System Driver	16
3.1.3.4 RAID Configuration Service	16
3.1.4 RAID Firmware	16
RAID Functionality and Features 4	17
4.1 Hierarchy	17
4.1.1 Level 1: Physical Drives	17
4.1.2 Level 2: Logical Drives	17
4.1.3 Level 3: Array Drives	17
4.1.4 Level 4: Host Drives	18
4.1.5 RAID Host/Array Drive Statuses	19
Table 8. Host Array Drive Statuses	19
4.1.6 Logical Drive Statuses	20
Table 9. Logical Drive Statuses	20
4.1.7 RAID Controller Drive Limitations (Host, Array, Logical, and Physical)	20
Table 10. RAID Controller Drive Maximum Limitations (SRCS14L)	20
4.2 Utilities and Tools	21
Table 11. Utilities And Tools	21
4.3 RAID Features	22
4.3.1 RAID Level Support	22
Table 12. Supported RAID Levels	22
4.3.2 Caching	22
4.3.2.1 Controller Cache Selections	23
4.3.2.2 Physical Disk Cache Selections	23
Table 13. Supported Cache Settings	23
4.3.3 Hot Fix (Spare) Disks	24
Table 14. Example of a 9GB Pooled Hot Fix Drive Selected to Protect Four Raid Array Drives	24
4.3.4 Auto-detection of Hot-Plug Disk Drives in a Non-Intelligent Drive Enclosure	25
4.3.5 Auto-declare Hot Fix (Spare) Drive	25
4.3.6 RAID Array Drive Roaming	25
4.3.7 On-line RAID Array Configurations	25
4.3.7.1 Capacity Expansion Without Reboot	25
4.3.7.2 RAID Level Migration	26
4.3.7.3 Data Strip Size Configurable per RAID Array	26
4.3.8 Background Initialization and Instant Availability	27
4.3.9 PCI Hot Plug	27
Certifications and Supported Technologies 5	28
5.1 OS Certifications	28
Table 15. OS Certification Requirements	28
5.2 Electronic Regulatory Agencies Certifications (Hardware)	29
Table 16. Electronic Equipment Regulatory Certifications	29
5.3 Supported Specifications and Standards	31
Table 17. Supported Standards and Specifications	31
Technical Drawings and Diagrams 6	32
Figure 5. Controller PBA Drawing, Front View	32
Figure 6. Controller PBA Drawing, Back View	32
Appendices 7	33
7.1 Referenced Documentation	33
Table 18. Referenced Documentation	33

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Technical Product Specification

Intel

Integrated RAID Controller SRCS14L

•

RAID 4 drives

•

RAID 5 drives

•

RAID 10 drives

You can manually create an array drive by using two or more logical drives that were manually

created at level 2. This action combines the original host drives associated with each of the logical

drives into a single host drive at a chosen RAID level.

4.1.4

Level 4: Host Drives

Host drives

(RAID volumes) are created at the highest level of the hierarchy by the RAID

firmware. This is done automatically upon the creation of an array drive. It is also done

automatically upon the manual creation of a logical drive. Each host drive is assigned a drive

number that matches the drive number of its array drive or logical drive. Host drives are the only

hierarchal level drives that are detectable by the host operating system. The three lowest level

hierarchal drives are transparent to the host operating system.

After a capacity expansion of a given array drive, the added capacity appears to the host OS as a

new host drive on this level. It can then be configured as a separate host drive or, using the

‘Merge’

feature in the

Host Drive

menu, be combined with the initial host drive of the array drive into one

single host drive.

Warning:

Any data located on the new host drive (created from the capacity expansion) will be lost using the

Merge feature. Do not use this feature if the new host drive already contains data that you do not

wish to destroy.

Within the Storage Console utility, each level of hierarchy has its own special menu:

Level 1

Menu:

Configure Physical Devices

Level 2

Menu:

Configure Logical Drives

Level 3

Menu:

Configure Array Drives

Level 4

Menu:

Configure Host Drives