CN104123246A - Interface expansion device and serial attached SCSI expander - Google Patents
Interface expansion device and serial attached SCSI expander Download PDFInfo
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- CN104123246A CN104123246A CN201310141872.5A CN201310141872A CN104123246A CN 104123246 A CN104123246 A CN 104123246A CN 201310141872 A CN201310141872 A CN 201310141872A CN 104123246 A CN104123246 A CN 104123246A
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Abstract
A serial attached SCSI (SAS) expander comprises a first port, a second port, a third port, firmware and a transmission management module, wherein the first port is used for being connected with the computer end, the second port is used for establishing data connection with multiple hard disks, and the third port is used for being connected with other adjacent SAS expanders; a register value reflecting the data traffic transmitted by the SAS expander is stored in the firmware, and the transmission management module conducts communication with other adjacent SAS expanders through the third port when it is judged according to the register value that the data traffic of the SAS expander where the transmission management module is located is saturated, and distributes part of data to the other adjacent SAS expanders for transmission. The invention further provides an interface expansion device. According to the interface expansion device and the SAS expander, when the data traffic of the SAS expander is saturated, part of data can be distributed to other adjacent SAS expanders for transmission, and then the problem of low data transmission speed can be effectively solved without cost increase.
Description
Technical field
The present invention relates to a kind of expanding unit, particularly a kind of interface extending device and Interface Expanding device connected in series.
Background technology
At present, the memory interface extender such as SAS extender (Serial Attached SCSI Expander, Interface Expanding device connected in series) has been widely used in computer industry.Generally, SAS extender is mainly used in connecting hard disk and computing machine, by SAS extender, and storer that can be using hard disk as external connection of computer, storer that also can be using hard disk as built-in computer.Generally, in a storage system that comprises some hard disks and some SAS extenders, each SAS extender is connected with multiple hard disks, for example, connect 16 or 32 hard disks.But, because the hard disk that SAS extender connects is more, in the time that the volume of transmitted data of a certain SAS extender is larger, can run into the problem that frequency range flow is saturated, now cause data access speed slower.User can only select to wait for or replacement cost is higher has a more SAS extender of high transmission speed.
Summary of the invention
The invention provides a kind of interface extending device and Interface Expanding device connected in series, can effectively solve the problem that frequency range flow is saturated, and do not need to increase cost.
A kind of interface extending device, be connected between computer terminal and some hard disks, for expanding the hard disk that computer terminal connects, this interface extending device connected in series comprises some SAS extenders, each SAS extender includes the first port and the second port, and this first port is for being connected with this computer terminal, and this second port is connected for setting up data with multiple hard disks, wherein, each SAS extender also comprises the 3rd port, firmware and transport management module.The 3rd port is for being connected with adjacent SAS extender.This firmware is for register value stored, and the register value that this firmware is stored has reflected the data traffic of the SAS extender transmission at place, and changes along with the variation of the data traffic of the SAS extender transmission at place.This transport management module is used for the register value of the firmware of the SAS extender that reads place, and whether the data traffic of SAS extender that judges place according to this register value is saturated, this transport management module in the time that the data traffic of SAS extender that judges place is saturated, communicate by the 3rd port and adjacent SAS extender, transmit and partial data is branched to this adjacent SAS extender.
A kind of Interface Expanding device connected in series, comprise the first port and the second port, this first port is for being connected with this computer terminal, and this second port is connected for setting up data with multiple hard disks, wherein, this Interface Expanding device connected in series also comprises the 3rd port, firmware and transport management module.The 3rd port is for being connected with other adjacent Interface Expanding devices connected in series.This firmware is for register value stored, and the register value that this firmware is stored has reflected the data traffic of this Interface Expanding device transmission connected in series, and changes along with the variation of the data traffic of Interface Expanding device transmission connected in series.This transport management module is used for the register value of the firmware that reads this Interface Expanding device connected in series, and judge that according to this register value whether the data traffic of this Interface Expanding device connected in series is saturated, this transport management module in the time that the data traffic of Interface Expanding device connected in series that judges place is saturated, other connected in series Interface Expanding devices adjacent with this by the 3rd port communicate, and transmit and partial data is branched to these other adjacent Interface Expanding devices connected in series.
Interface extending device of the present invention and Interface Expanding device connected in series, in the time that the data traffic of a SAS extender is saturated, this SAS extender can branch to partial data adjacent SAS extender and transmit, and can effectively solve the excessively slow problem of data transmission, and not need to increase cost.
Brief description of the drawings
Fig. 1 is the module rack composition of interface extending device in first embodiment of the invention.
Fig. 2 is the functional block diagram of the included SAS extender of interface extending device in an embodiment of the present invention.
Main element symbol description
| Interface extending device | 100 |
| Computer terminal | 200 |
| Hard disk | 300 |
| SAS extender | 10 |
| Connecting interface | 20 |
| The first port | 11 |
| The second port | 12 |
| The 3rd port | 13 |
| Extender connecting interface | 21 |
| Hard disk connecting interface | 22 |
| Firmware | 14 |
| Transport management module | 15 |
Following embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
Embodiment
Seeing also Fig. 1, is the module rack composition of interface extending device in first embodiment of the invention 100.This interface extending device 100 is connected between computer terminal 200 and some hard disks 300, the hard disk 300 connecting for expanding computer terminal 200.Wherein, this computer terminal 200 can be at least one memory interface that the computing machine including notebook computer, desktop computer and panel computer exposes, for example USB interface, this computer terminal 200 also can be at least one interface on the mainboard of the built-in computer including notebook computer, desktop computer and panel computer, for example PCI(Peripheral Component Interconnect, peripheral cell connects) interface etc.
This interface extending device 100 comprises some SAS extenders (Serial Attached SCSI Expander, Interface Expanding device connected in series) 10.These some SAS extenders 10 include the first port 11, the second port one 2 and the 3rd port one 3.
Wherein, the first port 11 of each SAS extender 10 is all connected with this computer terminal 200, and the second port one 2 is connected for setting up data with multiple hard disks 300.
In the present embodiment, this interface extending device 100 also comprises connecting interface 20.This connecting interface 20 comprises some extender connecting interfaces 21 and some hard disk connecting interfaces 22.Each extender connecting interface 21 is for connecting a SAS extender 10, and each hard disk connecting interface 22 is for connecting a hard disk 300.Wherein, the extender connecting interface 21 in this connecting interface 20 is connected with multiple hard disk connecting interfaces 22, and a connecting interface 20, thereby makes each SAS extender 10 connect multiple hard disks 300 by this connecting interface 20.In other embodiments, the second port one 2 of this SAS extender 10 can directly be connected and set up data and connect with multiple hard disks 300, without passing through connecting interface 20.
Each SAS extender 10 is connected with adjacent SAS extender 10 by the 3rd port one 3.Concrete, two adjacent SAS extenders 10 are set up multiple physical communication pipeline (Physical links by the 3rd port one 3 separately, PHY), for example, set up 8 physical communication pipelines, thereby these some SAS extenders 10 connect successively by the 3rd port one 3 separately.Wherein, the quantity of included the 3rd port one 3 of each SAS extender 10 is at least one, for example, in the time that a SAS extender 10 only has an adjacent SAS extender 10, can only there is the 3rd port one 3, and in the time that a SAS extender 10 has two adjacent SAS extenders 10, need two the 3rd port ones 3 to be connected in order to adjacent with these two respectively SAS extender 10.
Seeing also Fig. 2, is the internal module figure of SAS extender 10.As shown in Figure 2, each SAS extender 10 also comprises a firmware 14 and a transport management module 15.Wherein, this firmware 14 stores register value (register value).With existing identical, the register value that this firmware 14 is stored has reflected that the data traffic that the SAS extender 10 at place transmits is frequency range, and the variation of the data traffic of transmitting along with the SAS extender 10 at place and changing.This transport management module 15 is for reading the register value of firmware 14 of SAS extender 10 at place, and whether the data traffic of SAS extender 10 that judges place according to this register value is saturated, this transport management module 15 in the time that the data traffic of SAS extender 10 that judges place is saturated, branches to this adjacent SAS extender 10 by the 3rd port one 3 by partial data and transmits.Wherein, this transport management module 15 can be the process chip such as single-chip microcomputer or runs on the automatic running program in this SAS extender 10.
Wherein, each SAS extender 10 of this interface extending device 100 has identical address, and this computer terminal 200 is all pointed in this address.This transport management module 15 branches to this adjacent SAS extender 10 by the 3rd port one 3 by partial data and is transmitted as: the transport management module 15 of the SAS extender 10 that this data traffic is saturated produces a shunting request and transfers to the transport management module 15 in the adjacent SAS extender 10 being connected with the 3rd port one 3 by the 3rd port one 3, and partial data is transferred to this adjacent SAS extender 10 by the 3rd port one 3, transport management module 15 in adjacent SAS extender 10 is controlled this partial data receiving is continued to transmission according to the sensing of this address, , this partial data is transferred to computer terminal 200.
In the present invention, because each SAS extender 10 is connected to same computer terminal 200, thereby no matter those hard disks 300 all can be connected to this computer terminal 200 by which SAS extender 10, do not affect the access of data.And the SAS extender 10 that this data traffic is saturated transmits by partial data being branched to adjacent SAS extender 10, can effectively solve the excessively slow problem of data transmission, and not need to increase cost.
In the present embodiment, extender connecting interface 21 and the hard disk connecting interface 22 of the first port 11, the second port one 2 and the 3rd port one 3 and this connecting interface 20 of this SAS extender 10 are division in logic., physically, the first port 11, the second port one 2 and the 3rd port one 3 of SAS extender 10 are holistic golden finger, are divided into this first port 11, the second port one 2 and the 3rd port one 3 by division in logic.Equally, the extender connecting interface 21 of this connecting interface 20 and hard disk connecting interface 22 can be the different pins of a same interface physically, are divided into extender connecting interface 21 and hard disk connecting interface 22 by division in logic.In other embodiments, extender connecting interface 21 and the hard disk connecting interface 22 of the first port 11, the second port one 2 and the 3rd port one 3 and this connecting interface 20 of this SAS extender 10 are different port and interface physically.
Thereby in the present invention, in the time that the data traffic of a SAS extender 10 is saturated, this SAS extender 10 can branch to partial data adjacent SAS extender 10 and transmit, and can effectively solve the excessively slow problem of data transmission, and not need to increase cost.
Claims (8)
1. an interface extending device, be connected between computer terminal and some hard disks, for expanding the hard disk that computer terminal connects, this interface extending device comprises some SAS extenders, each SAS extender includes the first port and the second port, and this first port is for being connected with this computer terminal, and this second port is connected for setting up data with multiple hard disks, it is characterized in that, each SAS extender also comprises:
The 3rd port, for being connected with adjacent SAS extender;
Firmware, for register value stored, the register value that this firmware is stored has reflected the data traffic of the SAS extender transmission at place, and changes along with the variation of the data traffic of the SAS extender transmission at place; And
Transport management module, be used for the register value of the firmware of the SAS extender that reads place, and whether the data traffic of SAS extender that judges place according to this register value is saturated, this transport management module in the time that the data traffic of SAS extender that judges place is saturated, branches to this adjacent SAS extender by the 3rd port by partial data and transmits.
2. interface extending device as claimed in claim 1, it is characterized in that, two SAS extenders adjacent in interface extending device are set up multiple physical communication pipelines by the 3rd port separately, thereby these some SAS extenders connect successively by the 3rd port separately.
3. interface extending device as claimed in claim 1, it is characterized in that, interface extending device also comprises a connecting interface, this connecting interface comprises some extender connecting interfaces and some hard disk connecting interfaces, each extender connecting interface is used for connecting a SAS extender, each hard disk connecting interface is used for connecting a hard disk, extender connecting interface in this connecting interface is connected with multiple hard disk connecting interfaces, is connected thereby make each SAS extender set up data by this connecting interface with multiple hard disks.
4. interface extending device as claimed in claim 1, is characterized in that, each SAS extender of this interface extending device has identical address, and this computer terminal is pointed in this address; This transport management module branches to this adjacent SAS extender by partial data and is transmitted as: this transport management module produces a shunting and asks and pass through the 3rd port transmission to the adjacent SAS extender being connected with the 3rd port, and the transport management module control in adjacent SAS extender will continue transmission according to the sensing of this address after this partial data receiving.
5. interface extending device as claimed in claim 1, it is characterized in that, this computer terminal is at least one memory interface of exposing of the computing machine including notebook computer, desktop computer and panel computer or is at least one interface on the mainboard of the built-in computer including notebook computer, desktop computer and panel computer.
6. an Interface Expanding device connected in series, comprises the first port and the second port, and this first port is for being connected with this computer terminal, and this second port is connected for setting up data with multiple hard disks, it is characterized in that, this Interface Expanding device connected in series also comprises:
The 3rd port, for being connected with other adjacent Interface Expanding devices connected in series;
Firmware, for register value stored, the register value that this firmware is stored has reflected the data traffic of this Interface Expanding device connected in series transmission, and changes along with the variation of the data traffic of Interface Expanding device transmission connected in series; And
Transport management module, be used for the register value of the firmware that reads this Interface Expanding device connected in series, and judge that according to this register value whether the data traffic of this Interface Expanding device connected in series is saturated, this transport management module in the time that the data traffic of Interface Expanding device connected in series that judges place is saturated, produce a shunting request and by the 3rd port, this shunting request be sent to other serial line interface extenders that are connected with the 3rd port, making these other serial line interface extenders respond this shunting request branches to these other Interface Expanding device connected in series by partial data and transmits.
7. Interface Expanding device connected in series as claimed in claim 6, is characterized in that, this Interface Expanding device connected in series is set up multiple physical communication pipelines by the 3rd port and adjacent other SAS extenders.
8. Interface Expanding device connected in series as claimed in claim 6, it is characterized in that, this computer terminal is at least one memory interface of exposing of the computing machine including notebook computer, desktop computer and panel computer or is at least one interface on the mainboard of the built-in computer including notebook computer, desktop computer and panel computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310141872.5A CN104123246A (en) | 2013-04-23 | 2013-04-23 | Interface expansion device and serial attached SCSI expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310141872.5A CN104123246A (en) | 2013-04-23 | 2013-04-23 | Interface expansion device and serial attached SCSI expander |
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| Publication Number | Publication Date |
|---|---|
| CN104123246A true CN104123246A (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310141872.5A Pending CN104123246A (en) | 2013-04-23 | 2013-04-23 | Interface expansion device and serial attached SCSI expander |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104486384A (en) * | 2014-11-28 | 2015-04-01 | 华为技术有限公司 | Storage system and exchange expansion device |
| CN105159605A (en) * | 2015-08-24 | 2015-12-16 | 浪潮(北京)电子信息产业有限公司 | Storage server architecture |
| CN105760247A (en) * | 2016-02-05 | 2016-07-13 | 浪潮(北京)电子信息产业有限公司 | System and method for processing hard disk faults |
| CN106775482A (en) * | 2016-12-23 | 2017-05-31 | 郑州云海信息技术有限公司 | A kind of JBOD storage systems |
| CN116627861A (en) * | 2023-07-25 | 2023-08-22 | 苏州浪潮智能科技有限公司 | Data processing method and system based on expander, electronic equipment and storage medium |
-
2013
- 2013-04-23 CN CN201310141872.5A patent/CN104123246A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104486384A (en) * | 2014-11-28 | 2015-04-01 | 华为技术有限公司 | Storage system and exchange expansion device |
| CN105159605A (en) * | 2015-08-24 | 2015-12-16 | 浪潮(北京)电子信息产业有限公司 | Storage server architecture |
| CN105760247A (en) * | 2016-02-05 | 2016-07-13 | 浪潮(北京)电子信息产业有限公司 | System and method for processing hard disk faults |
| CN106775482A (en) * | 2016-12-23 | 2017-05-31 | 郑州云海信息技术有限公司 | A kind of JBOD storage systems |
| CN116627861A (en) * | 2023-07-25 | 2023-08-22 | 苏州浪潮智能科技有限公司 | Data processing method and system based on expander, electronic equipment and storage medium |
| CN116627861B (en) * | 2023-07-25 | 2024-02-20 | 苏州浪潮智能科技有限公司 | Data processing method and system based on expander, electronic equipment and storage medium |
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Application publication date: 20141029 |