CN101377754B - Bridging SAS channel test system and method - Google Patents
Bridging SAS channel test system and method Download PDFInfo
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- CN101377754B CN101377754B CN2007101458515A CN200710145851A CN101377754B CN 101377754 B CN101377754 B CN 101377754B CN 2007101458515 A CN2007101458515 A CN 2007101458515A CN 200710145851 A CN200710145851 A CN 200710145851A CN 101377754 B CN101377754 B CN 101377754B
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Abstract
The invention discloses a bridging SAS channel test system and a method thereof. The bridging SAS channel test system comprises a control end, a hot-plug bridging port, a first patch panel, an SAS backboard and a second patch panel. The control end selects an SAS port as a transfer channel for sending test signals. The hot plug bridging port receives and converts the test signals sent by the control end. The hot-plug bridging port has hot-plug function. The first patch panel is connected with the hot-plug bridging port and the SAS backboard. The second patch panel is connected between the SAS backboard and a terminal device. The control end sends test signals and detects the signals which are fed back by the terminal device to be tested, and compares the test signals to determine whether the signals are the same. The control end is used for determining whether the SAS port in the SAS backboard runs without failure. The SAS backboard can be directly removed without shutting down the system on completion of the test of the SAS backboard.
Description
Technical field
The present invention relates to a kind of bridge SAS signal channel testing system and method thereof, particularly relate to a kind of test macro and method thereof that the hot plug end device is bridged to the SAS channel.
Background technology
SAS (Serial Attached SCSI) interface is SCSI (Small Computer SmallInterface, the SCSI) interface of a new generation.SAS is the new interfaces that parallel scsi interface (Parallel SCSI) is developed afterwards.So the SAS interface can provide multiple spot Jie to connect and data can 6Gb/s speed transmitted in both directions.In addition, the SAS interface is by dwindling the design of connecting line, and the advantage that reduces the internal system space is arranged, and the SAS interface also can be backward compatible, for example SATA (Serial ATA) hard disk.
The SAS channel is to utilize Low Voltage Differential Signal (Low Voltage Difference Signal LVDS) carries out data transmission, according to the message transmission rate that can adopt 1.5Gbps and 3.0Gbps on every pair of low voltage differential circuit of standard.Than other interface, the advantage of LVDS comprises that (1) can be used for that signal tool low noise, (3) that the environment of LVPS supply, (2) produce have high noise resisting ability, (4) strong transmission signals ability, (5) are easy to be integrated in the System on Chip/SoC.The employed biography reception of SAS channel voltage TX respectively is that 800 ~ 1600mV, RX are 275 ~ 1600mV.The physical connector interface maximum of each SAS can provide four physical connections (physical link).In other words, each physical connection is exactly a SAS hard disk.In each physical connection, include two pairs of differential signal lines (Tx+/-and Rx+/-, i.e. four transmission cables).Please refer to shown in Figure 1ly, it is provided the physical connection synoptic diagram by SAS physical connector interface.
Each row representative is different physical connections among Fig. 1, and each row representative is different Tx and Rx groups.For instance, when first physical connection (please refer to the dotted line scope) and SAS physical connector interface are connected, then first physical connection can be used Rx 0+, Rx 0-, Tx 0+ and the Tx 0-of SAS physical connector interface.If SAS physical connector interface connects first and second physical connection simultaneously, then first physical connection then above-mentioned shown in, second physical connection is then used Rx 1+, Rx 1-, Tx 1+ and Tx 1-.Then the rest may be inferred if there is other physical connection to be linked to SAS physical connector interface.
Please refer to shown in Figure 2ly, it is the test macro synoptic diagram of known SAS channel.Known SAS channel test method is that SAS hard disk 230 is connected on the control end 210, whether the trace routine in the control end 210 is to SAS hard disk 230 accessing operations, complete by the read-write of SAS hard disk 230 being tested through these test signals of SAS interface 221 pairing channels.Please refer to shown in Figure 3ly, it is the testing process figure of known SAS channel.At first, will test with the SAS hard disk and be mounted to SAS backboard (step S310).Next, the test procedure of start-up system (step S320).Test procedure carries out accessing operation (step S330) to the SAS hard disk.Control end receives the access test report (step S340) of SAS hard disk.
But,, equal amounts of S AS hard disk 230 must expend many times so being installed owing to have nearly 8 to 16 SAS interfaces 221 in the SAS backboard 220.SAS hard disk 230 is installed still more each time must be restarted control end 210, the therefore whole test duration will be elongated.
Summary of the invention
The object of the present invention is to provide a kind of bridge SAS signal channel testing system and method for testing thereof, whether the SAS interface that is applied to testing SA S backboard can normally move, whether normally test macro system utilizes several end devices of SAS backboard bridge joint, detect the operation of the selected SAS channel of SAS backboard.
To achieve these goals, the invention provides a kind of bridge SAS signal channel testing system, include: control end, hot-plug bridging interface, first card extender and the second card extender end device.
Control end is in order to sending test massage and the measured signal of sense terminals device institute feedback, control end in order to select the SAS interface one of them as the transfer canal that sends test massage.The hot-plug bridging interface is electrically connected at control end, and the hot-plug bridging interface is in order to the test signal that receives and the conversion and control end sends.First card extender is electrically connected at hot-plug bridging interface and SAS backboard respectively, and first card extender is in order to the Low Voltage Differential Signal of transition heat plug bridge interface to the SAS channel.Second card extender is electrically connected at the SAS backboard respectively, and second card extender is in order to the Low Voltage Differential Signal of conversion SAS channel to the hot-plug bridging interface, and in order to the access terminal device.
From another viewpoint of the present invention, the present invention proposes a kind of method of testing of bridge SAS signal channel, in order to several end devices of bridge joint access, whether can normally move so as to detecting the SAS channel, method of testing comprises: first card extender and second card extender are provided, the SAS backboard is connected respectively between first card extender and second card extender.Link second card extender and end device.The hot-plug bridging interface is provided, and it connects the control end and first card extender respectively.Send test massage to end device by control end.End device returns received measured signal to control end, and whether control end contrast test signal conforms to the measured signal of passback.In addition, the present invention also utilizes universal serial bus or IEEE 1394 as the hot-plug bridging interface, makes its end device in order to the bridge joint hot-plug interface.After finishing test, just can directly remove the SAS backboard and not need shutdown system.
The present invention bridges to end device by the SAS backboard.Whether complete through the test signal of the SAS channel of SAS backboard in test, making does not need powered-down and restarts the tested SAS backboard that system just more renews in the process of test, make the whole time of testing SA S channel to shorten.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is provided the physical connection synoptic diagram by SAS physical connector interface;
Fig. 2 is the test macro synoptic diagram of known SAS channel;
Fig. 3 is the testing process figure of known SAS channel;
Fig. 4 is a bridge SAS signal channel testing system synoptic diagram of the present invention;
Fig. 5 is the pick-up unit operational flow diagram of bridge SAS signal channel of the present invention;
Fig. 6 detects the operational flow diagram of usb terminal device for the present invention.
Fig. 7 detects the usb terminal schematic representation of apparatus for the present invention.
Wherein, Reference numeral:
210 control ends
220 SAS backboards
221 SAS interfaces
230 SAS hard disks
410 control ends
420 hot-plug bridging interfaces
421 bridge interface
430 first card extenders
440 SAS backboards
441 SAS interfaces
450 second card extenders
461 usb terminal devices
Embodiment
Bridge SAS signal channel testing system proposed by the invention is applied to several included SAS interfaces of SAS backboard.Test macro utilizes the SAS backboard to come several end devices of bridge joint, in order to detect in the SAS backboard selected SAS interface with and transmission channel operation whether normally.Bridge SAS signal channel testing system includes: control end 410, hot-plug bridging interface 420, first card extender 430, SAS backboard 440 and second card extender 450.
Please refer to shown in Figure 4ly, it is a bridge SAS signal channel testing system synoptic diagram of the present invention.This bridge SAS signal channel testing system also links a testing apparatus.Make control end 410 in order to send test massage and the signal of sense terminals device institute feedback.Control end 410 can be but be not limited to personal computer, notebook or server.The SAS interface 441 of control end 410 in order to select will to detect in the SAS backboard 440, with it as the transfer channel that sends test massage.
Hot-plug bridging interface 420 is electrically connected at control end 410, and hot-plug bridging interface 420 is in order to the test signal that receives and conversion and control end 410 sends.Hot-plug bridging interface 420 is universal serial bus (USB) or IEEE 1394.Also comprise a plurality of bridge interface 421 in hot-plug bridging interface 420, it is respectively in order to connect corresponding SAS interface 441.The hot-plug bridging interface can be universal serial bus (USB) or IEEE 1394, so end device can be the end device of universal sequential bus interface or IEEE1394 bus interface.Control end 410 has the end device of hot-plug interface in order to bridge joint, when control end 410 can directly remove the SAS backboard and not need shutdown system during in test or after finishing test.
Please refer to shown in Figure 5ly, it is the pick-up unit operational flow diagram of bridge SAS signal channel of the present invention.Method of testing comprises: first card extender and second card extender are provided, the SAS backboard is connected respectively between first card extender and second card extender (step S510).Link second card extender and end device (step S520).The hot-plug bridging interface is provided, and it connects control end and first card extender (step S530) respectively.Send test massage to end device (step S540) by control end.Whether the received measured signal of end device passback is to control end, control end contrast test signal and the measured signal of passback conform to (step S550).
For clearly demonstrating the using method of pick-up unit of the present invention, we attempt the end device of USB device as present embodiment at this.Please also refer to Fig. 6 and shown in Figure 7, its operational flow diagram and the present invention who is respectively sense terminals device of the present invention detects the usb terminal schematic representation of apparatus.
For clearly demonstrating operating process of the present invention, so adopt the binding interface of USB in the present embodiment as end device.At first, control end is selected one of them the SAS interface (step S610) in the SAS backboard.According to selected SAS interface, control end sends test massage to hot-plug bridging interface (step S620).Because be to use low-voltage differential signal as its transmission method in the SAS channel, USB interface also is to utilize low-voltage differential signal.But both are in transmission voltage and number of channel difference to some extent.So utilize hot-plug bridging interface 420 among the present invention earlier the transmission channel of its USB and SAS is done an integration.Because the transmission channel of USB has only D+ and D-two transmission lines, 16 transmission lines are then arranged, in the SAS transmission channel so in hot-plug bridging interface 420, need to provide 8 bridge interface 421 could contain the transmission channel of SAS fully.
Test signal by the hot-plug bridging interface converts the test signal of hot-plug bridging interface to meet the transmission of SAS interface test signal (step S630) through first card extender.By first card extender 430 transmission signals of USB interface is converted to into the transmission signals of SAS interface, its fundamental purpose is in order to the transmission voltage of conversion USB and SAS.Then be to convert the SAS transmission signals to the USB transmission signals, and send it to corresponding usb terminal device 461 by second card extender 450.Above be mentioned to because the SAS transmission line is different with USB transmission line quantity, thus need to connect 8 usb terminal devices 461 for a SAS interface 441, like this could the complete transmission channel that contains SAS.Though usb terminal device 461 is more with former SAS end device, but the advantage of this practice be can testing SA S transmission channel in each right Low Voltage Differential Signal line whether can correctly transmit data, make the false channel of testing staff in can the more accurate SAS of finding out interface 441.
Then, the test signal that step S630 is exported converts the test signal (step S640) that meets end device to through second card extender.The test signal of step S640 output is sent to end device (step S650).Subsequently, end device is back to control end (step S660) with the test signal that receives.The control end basis stability (step S670) of test signal that end device fed back in step S660 so as to judging selected SAS passage.Last control end 410 sends test massage, test signal along hot-plug bridging interface 420, first card extender 430, SAS interface 441, second card extender 450 to usb terminal device 461.After usb terminal device 461 received measured signal, usb terminal device 461 can be given control end by feedback signal, and whether control end contrasts measured signal again and conform to return path signal.
Judge whether to be last SAS interface (step S680).If also have then repeated execution of steps S610 of the not tested words of SAS interface, until all the SAS channel is tested finish till.
The present invention bridges to end device by the SAS backboard.Whether complete in test through the test signal of the SAS channel of SAS backboard, in the process of test, do not need powered-down and restart the SAS backboard that system just can more renew, so that carry out the SAS back plate testing of time bout.So, make the whole time of testing SA S passage to shorten.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (10)
1. bridge SAS signal channel testing system, be applied to included several of a SAS backboard to the SAS interface, this test macro is linked to several end devices by the bridge SAS signal interface, this test macro detects the test signal that is accessed in these end devices, whether this test macro is unusual in order to detect the SAS interface according to test signal, it is characterized in that this test macro includes:
One control end is in order to send test massage and to detect the measured signal that these end devices return, the transfer path that this control end sends test massage in order to one of them conduct of selecting these SAS interfaces;
One hot-plug bridging interface is electrically connected at this control end, and this hot-plug bridging interface is in order to receiving and to change the test signal that this control end sends, and during this control end operation, the operation that these end devices can plug;
One first card extender is electrically connected at this hot-plug bridging interface and this SAS backboard respectively, and this first card extender is in order to change the Low Voltage Differential Signal of this hot-plug bridging interface to the SAS channel; And
One second card extender is electrically connected at respectively between this SAS backboard and these end devices, and this second card extender comes from the Low Voltage Differential Signal of these SAS interfaces in order to conversion, and in order to these end devices of access.Hot-plug bridging interface, hot-plug bridging interface.
2. bridge SAS signal channel testing system according to claim 1, it is characterized in that, this hot-plug bridging interface also comprises at least one bridge interface, in order to connect this first card extender, the quantity of these bridge interface determines according to the quantity of the low-voltage differential signal line in this SAS backboard these bridge interface respectively.
3. bridge SAS signal channel testing system according to claim 1 is characterized in that, this hot-plug bridging interface is a universal serial bus or an IEEE 1394 interfaces.
4. bridge SAS signal channel testing system according to claim 1 is characterized in that, this end device is a universal serial bus end device.
5. bridge SAS signal channel testing system according to claim 1 is characterized in that, this end device is an IEEE 1394 end devices.
6. whether the method for testing of a bridge SAS signal channel is unusual so as to detecting the SAS interface in order to bridge joint and several end devices of access, it is characterized in that this method of testing comprises:
One first card extender and one second card extender are provided, a SAS backboard is connected respectively between this first card extender and this second card extender;
Link this second card extender and these end devices;
Several hot-plug bridging interfaces are provided, and it connects a control end and this first card extender respectively;
Send test massage to these end devices by this control end; And
These end devices return received measured signal to this control end, and whether this control end contrast test signal conforms to the measured signal of passback.
7. the method for testing of bridge SAS signal channel according to claim 6 is characterized in that, the number of this hot-plug bridging interface determines according to the array low-voltage differential signal quantity of this SAS channel.
8. the method for testing of bridge SAS signal channel according to claim 6 is characterized in that, this hot-plug bridging interface is a universal sequential bus interface or an IEEE 1394 interfaces.
9. the method for testing of bridge SAS signal channel according to claim 6 is characterized in that, this end device is a universal serial bus end device.
10. the method for testing of bridge SAS signal channel according to claim 6 is characterized in that, this end device is the IEEE1394 end device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101458515A CN101377754B (en) | 2007-08-30 | 2007-08-30 | Bridging SAS channel test system and method |
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| CN2007101458515A CN101377754B (en) | 2007-08-30 | 2007-08-30 | Bridging SAS channel test system and method |
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| CN101377754A CN101377754A (en) | 2009-03-04 |
| CN101377754B true CN101377754B (en) | 2010-09-22 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101930393B (en) * | 2009-06-26 | 2012-09-05 | 英业达股份有限公司 | Testing device for SAS (Serial Attached SCSI) back plate |
| CN102567151A (en) * | 2010-12-24 | 2012-07-11 | 鸿富锦精密工业（深圳）有限公司 | SAS (serial attached SCSI (small computer system interface)) hard disc test system and method under EFI (extensible firmware interface) environment |
| CN103163390A (en) * | 2011-12-08 | 2013-06-19 | 鸿富锦精密工业（深圳）有限公司 | Testing device of universal serial bus (USB) interface |
| CN104699580A (en) * | 2015-03-20 | 2015-06-10 | 浪潮集团有限公司 | Loopback test method and device for SAS storage board card |
| CN106790035A (en) * | 2016-12-15 | 2017-05-31 | 郑州云海信息技术有限公司 | A kind of protocol analysis device, method and system |
| CN111223516B (en) * | 2019-12-26 | 2021-09-07 | 曙光信息产业(北京)有限公司 | RAID card detection method and device |
| CN114296532B (en) * | 2022-01-14 | 2024-06-11 | 中车大连电力牵引研发中心有限公司 | RIOM machine box and network control system thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1553337A (en) * | 2003-12-18 | 2004-12-08 | 威盛电子股份有限公司 | Detecting method for PCI system |
| CN1877537A (en) * | 2005-06-10 | 2006-12-13 | 鸿富锦精密工业（深圳）有限公司 | Information identifying system and method for peripheric component interconnect equipment |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1553337A (en) * | 2003-12-18 | 2004-12-08 | 威盛电子股份有限公司 | Detecting method for PCI system |
| CN1877537A (en) * | 2005-06-10 | 2006-12-13 | 鸿富锦精密工业（深圳）有限公司 | Information identifying system and method for peripheric component interconnect equipment |
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Effective date of registration: 20191223 Address after: No. 99, University Road, high tech Zone, Xuzhou City, Jiangsu Province Patentee after: XUZHOU LIFANG ELECTROMECHANICAL EQUIPMENT MANUFACTURING CO., LTD. Address before: Taipei City, Taiwan, China Patentee before: Yingda Co., Ltd. |
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Granted publication date: 20100922 Termination date: 20190830 |