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參數(shù)資料
| 型號(hào)： | LSIFC929 |
| 英文描述： | LSIFC929 dual channel fibre solutions |
| 中文描述： | LSIFC929雙通道光纖解決方案 |
| 文件頁(yè)數(shù)： | 36/144頁(yè) |
| 文件大?。?/td> | 1496K |
| 代理商： | LSIFC929 |
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3-6
LSIFC909 Overview
Figure 3.2
LSIFC909 Message Flow
3.4 SCSI Message Class
The SCSI message interface provides the most direct interface for
block-oriented storage media. This includes disk drives and tape devices.
The SCSI I/O path translates a SCSI CDB into an FCP exchange. The
LSIFC909 completely manages all FC device and target discovery
operations. FC target devices are assigned a logical (bus, target ID)
identifier, and are accessed by the system as if they were parallel SCSI
devices. The system is responsible for scanning the target devices, and
identifying LUNs on the target devices.
In general, the system is responsible for retrying operations at an I/O
request level. The LSIFC909 is responsible for responding to bus
protocol specific errors and exceptions and retrying bus sequences
within the scope of an I/O operation. The system is also responsible for
maintaining a timer for SCSI I/O operations if this is required by the host
system. The host driver may use the provided SCSI task management
functions to terminate one or more I/O operations when a time-out
occurs. For more information regarding the SCSI message class, refer to
the LSI Logic LSIFC909 Programming Guide
1
Operating
System
Host
Driver
IOC
7
2
6
1
2
3
N
N
1
2
N
1
2
8
4
Message
Frames
Reply
Post
FIFO
Reply
Free
FIFO
5
Reply Register
Request Register
5
N
1
2
3
4
6
3
MFD
PCI Bus
Request
Post
FIFO
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相關(guān)代理商/技術(shù)參數(shù) |
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| LSIFC929-329BGA | 制造商:LSI Corporation 功能描述:Fiber Controller 456-Pin BGA |
| LSIFC929X | 制造商:LSI Corporation 功能描述:- Bulk |
| LSIFC929XL | 制造商:LSI Corporation 功能描述:2GB PCI-X TO DUAL CHANNEL - Bulk |
| LSIFC949X | 制造商:LSI Corporation 功能描述:PCI-X TO DUAL CHANNEL - Bulk |
| LSIFC949X A0 | 制造商:LSI 功能描述: 制造商:LSI Corporation 功能描述: |
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