CN101751314B - Universal error detecting auxiliary device - Google Patents
Universal error detecting auxiliary device Download PDFInfo
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- CN101751314B CN101751314B CN2008102033396A CN200810203339A CN101751314B CN 101751314 B CN101751314 B CN 101751314B CN 2008102033396 A CN2008102033396 A CN 2008102033396A CN 200810203339 A CN200810203339 A CN 200810203339A CN 101751314 B CN101751314 B CN 101751314B
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Abstract
The invention provides a universal error detecting auxiliary device, which is used for being connected with test equipment for detecting errors of starting equipment or/and target equipment. The universal error detecting auxiliary device comprises a starting equipment card and a target equipment card, wherein the starting equipment card comprises a starting external interface and a starting equipment interface, the starting external interface is used for connecting the test equipment, the starting equipment interface is used for connecting the starting equipment, the target equipment card comprises a target external interface and a target equipment interface, the target external interface is used for connecting the test equipment, and the target equipment interface is sued for connecting the target equipment. The universal error detecting auxiliary device adopts the double-card type design, is respectively provided with the starting equipment card and the target equipment card, and has the advantages of low complexity of the circuit design, easy realization of structural elements, wide application range, low firmware development cost, total cost reduction, high connection stability, convenient in-site operation, easy plugging and unplugging and the like.
Description
[technical field]
The invention relates to a kind of universal error detecting auxiliary device, particularly relevant for a kind of general SAS interface debugging-assistant device.
[background technology]
Serial connecting small calculator system interface (Serial Attached SCSI; SAS) but be a kind of high-speed transfer and the hard-disk interface of supporting dual-port technology; Be compatible with SAS/SATA (serial ATA) interface and can see through extender (Expander) to expand linkage function; So not only can be applicable in the server, also applicable to various storage devices such as disk array (RAID).Present raising along with continuous upgrading of SAS protocol version and transmission speed; Requirement to debug (Debug) means is also increasingly high, but lack on the market a kind of effectively and simple utility appliance help the SAS interface communicate location, solve the electronic product exploitation and operate in the signal error problem that possibly run into.
In the maintenance process that operates in the product development of present SAS interface and later stage; Existing debugging method is to utilize many cables SAS protocol analyzer (SAS Protocol Analyzer) directly to be connected between initial equipment (Initiator) and the target device (Target) debug functions such as the seizure of the line data package of going forward side by side, the decoding of agreement, statistical study like SAS tracker (SASTRACER).Yet this kind has following shortcoming with the existing debugging method that simple cable connects:
One, target device must be exposed to the pluggable place of connection cable.When the connecting interface of target device was in inside darker in the cabinet or be on the frame of higher position, the operator plugs cable in narrow chassis space or on higher frame very inconvenient;
Two, in some designs, the SAS interface can need carry the transmission of some out-of-band-signal (Out-of-BandSignaling), for example to the control signal of Hard disk error modulating signal.If use the existing debugging method that connects through cable, these out-of-band-signal will be lost after through protocol analyzer, have destroyed the integrality of systemic-function.
In view of above shortcoming, especially require under the situation that signal transmission rate reaches 3G and 6G current, the existing debugging method that connects through cable is difficult to the reliability that guarantees that signal transmits.
For addressing the above problem; Prior art has proposed a kind of debug supplementary card; This debug supplementary card comprises a plurality of interfaces, and in the time of carrying out the debug operation, these a plurality of interfaces connect initial apparatus card, target device and proving installation respectively; Reduced cable use, increased the connection steadiness, and make things convenient for execute-in-place, plug easily.But this existing debug supplementary card is owing to need connect a plurality of equipment simultaneously, and the complexity of circuit design and structural design is high, is unfavorable for reducing cost.
Die, be necessary to provide a kind of debug utility appliance of novelty, to overcome the shortcoming of existing debug supplementary card.
[summary of the invention]
A fundamental purpose of the present invention is to provide a kind of universal error detecting auxiliary device, its complex circuit designs degree is low, structural member is easy to realize, applied widely, cost is low, it is high to connect steadiness, The operation convenient andmeasured and plug are easily.
Another object of the present invention is to provide a kind of universal error detecting auxiliary device, it can avoid losing out-of-band-signal, and then keeps system's functional integrity property.
Other purpose of the present invention and advantage can further be understood from the technical characterictic that the present invention disclosed.
For realizing aforementioned purpose of the present invention; One embodiment of the invention provide a kind of universal error detecting auxiliary device; Connect the debug of a testing apparatus to an initial equipment or a target device, it includes: an initial apparatus card and a target device card, this initial apparatus card comprise an initial external interface and an initial equipment interface; This initial external interface is in order to connect testing apparatus, and this initial equipment interface is in order to connect initial equipment; This target device card comprises a target external interface and a target device interface, and this target external interface is in order to connect testing apparatus, and this target device interface is in order to linking objective equipment.
Compared to prior art; Universal error detecting auxiliary device of the present invention adopts the two clips design; Design initial apparatus card and target device card respectively; The complex circuit designs degree is low, structural member is easy to realize, applied widely, the firmware development cost is low, reduced total cost, and it is high to have a steadiness of connection, The operation convenient andmeasured and plug advantages such as easy.
For letting the foregoing of the present invention can be more obviously understandable, hereinafter is special lifts a preferred embodiment, and cooperates appended graphicly, elaborates as follows:
[description of drawings]
Fig. 1 is the structural representation of the initial apparatus card of universal error detecting auxiliary device of the present invention.
Fig. 2 is the structural representation of the target device card of universal error detecting auxiliary device of the present invention.
Fig. 3 A is the connection synoptic diagram of intersection of realization inband signaling channel of the target device card of universal error detecting auxiliary device of the present invention.
Fig. 3 B is the connection synoptic diagram of intersection of realization inband signaling channel of another embodiment of the target device card of universal error detecting auxiliary device of the present invention.
Fig. 4 is the connection synoptic diagram of another embodiment of the target device card of universal error detecting auxiliary device of the present invention.
Fig. 5 is the connection synoptic diagram of universal error detecting auxiliary device one application example of the present invention.
Fig. 6 is the connection synoptic diagram of universal error detecting auxiliary device Another Application instance of the present invention.
Fig. 7 is the connection synoptic diagram of the another application example of universal error detecting auxiliary device of the present invention.
[embodiment]
Please, be a kind of universal error detecting auxiliary device, be used for to an initial equipment or a target device debug that it mainly comprises: initial apparatus card 1 and target device card 2 according to preferred embodiment of the present invention with reference to Fig. 1.
Please with reference to Fig. 2, target device card 2 comprises clamp 20 and the target external interface and the target device interface that are provided with in pairs.In the present embodiment, be provided with two pairs of target external interfaces and target device interface: the first target external interface 21 and the first target device interface 22, and the second target external interface 23 and the second target device interface 24.Target external interface 21,23 is all the MiniSAS connector that meets industry standard, in order to connect initial apparatus card 1 or to connect SAS testing apparatus 3. Target device interface 22,24 is the SAS connector, in order to linking objective equipment.Target external interface and target device interface use in pairs, and for example the first target external interface 21 and the first target device interface 22 use in pairs, and the second target external interface 23 and the second target device interface 24 use in pairs.These target external interface and target device interfaces that use in pairs can be worked respectively simultaneously, also can only choose wherein a pair of work.Be provided with signaling channel in two bands between the every pair of target external interface and the target device interface; Wherein the first target external interface 21 and the first target device interface 22 are provided with two first inband signaling channels, 251, the second target external interfaces 23 and the second target device interface 24 is provided with two second inband signaling channels 252.Clamp 20 is in order to carry target external interface 21,23 and target device interface 22,24, and it is provided with conducting wire (not shown), in order to electrically connect target external interface and corresponding target device interface.Be appreciated that the requirement of basis signal quality, signaling channel 251,252 all can be provided with one or more balanced devices (not shown) in every band, in order to improve the transmission quality of signal.
The arrangement mode of the conducting wire through clamp 20 is set, target device card 2 can be realized the cross action of inband signaling channel, for example, forms at the second inband signaling channel 252 and to intersect (shown in Fig. 3 A).Please with reference to Fig. 3 B; Target device card 2 increases twin target external interface and target device interface: the 3rd target external interface 27 and the 3rd target device interface 28; Wherein the 3rd target external interface 27 is for meeting the MiniSAS connector of industry standard; In order to connect initial apparatus card 1 or to connect SAS testing apparatus 3; The 3rd target device interface 28 be the SAS connector in order to linking objective equipment, the inband signaling channel between the 3rd target external interface 27 and the 3rd target device interface 28 forms and intersects.
Also be provided with a multiplexer 260 and a switch switching device 26 in the target device card 2; Between the first target external interface 21 and multiplexer 260, form several strips external signal channel 261; Form several strips external signal channel 262 between the multiplexer 260 and the first target device interface 22, in order to transport tape outer control signal.Form several strips external signal channel 263 between switch switching device 26 and the multiplexer 260, realize transmitting, change, rebuilding the function (detailing after holding) of band outer control signal in order to control.Be appreciated that; In other embodiments; Target device card 2 can be provided with an out-of-band-signal interface (not shown) specially; Be with the outer control signal without the first target external interface 21, but between this special out-of-band-signal interface that is provided with and multiplexer 260, form out-of-band-signal channel 261, transport tape outer control signal.
Please with reference to Fig. 4; If target device card 2 needs to connect the SATA target device; Port is set between the first target external interface 21 and the first target device interface 22 selects element (port selection) 29; The first target device interface 22 is changed to SATA connector 22 '; Two inband signaling ports of the first target external interface 21 are connected to port select to do heat interchange (heat interchange is meant and under the situation that equipment does not cut off the power supply, carries out port translation) here on the element 29, be connected to SATA connector 22 ' then, just can connect the SATA target device.In other embodiments, as shown in Figure 5, the hard disk adapting card (Paddle Card) 5 that connects a SAS and change the SATA interface and have a port selection function at the first target device interface, 22 ends can connect the SATA target device.
What please note is; The initial apparatus card 1 of universal error detecting auxiliary device of the present invention only is the example that universal error detecting auxiliary device of the present invention is lifted with the type of target device card 2 above-mentioned each interface and used element (for example: balanced device 14, signal improve element 160, multiplexer 260, switch switching device 26 and port and select element 29 etc.), but does not therefore limit claim of the present invention; In fact, universal error detecting auxiliary device of the present invention can adopt other agreement or all types of interface and elements according to the actual requirements, and can increase the quantity of interface and element.
Please with reference to Fig. 5; Be the application example of explanation according to universal error detecting auxiliary device of the present invention; It is interior to carry out online debug with convenient general storage facilities of insertion such as disk array (RAID) equipment that wherein initial apparatus card 1 can be a kind of clamp pattern, promptly diagnoses the signal of this storage facilities internal hard drive interface to have no abnormal.Before initial apparatus card 1 is inserted storage facilities; Backboard (Midplane) 41, several SAS/SATA hard disks 43 and cabinet 42 in the middle of general storage facilities promptly comprises one; And these SAS/SATA hard disk 43 parallel stacks are arranged and electrically connect (not shown)s via Connection Element (like the SAS connector) and backboard 41 respectively, and backboard 41 and hard disk 43 are arranged in the cabinet 42.
In order to carry out debug; For example can't discern perhaps through backboard 41 and can not correctly discern a wherein a certain hard disk 43 when main frame; Can earlier this hard disk 43 be extracted in cabinet 42; Initial apparatus card 1 of the present invention is inserted in the storage facilities again, the corresponding interface of backboard 41 is docked with initial equipment interface 11 to be used as initial equipment, the corresponding interface of this hard disk 43 docks to be used as target device with the target device interface of target device card 2; In the present embodiment, hard disk 43 docks with the first target device interface 22.The first target external interface 21 of the initial external interface 12 of initial apparatus card 1, target device card 2 is coupled to the input end 31 and the output terminal 32 of SAS testing apparatus 3 respectively through cable.
Through above connection; Information flow is directed between the input end 31 and output terminal 32 of backboard 41 and SAS proving installation 3 via initial equipment interface 11, inband signaling channel 13 and initial external interface 12, and/or information flow is directed between the input end 31 and output terminal 32 of hard disk 43 and SAS proving installation 3 via the first target device interface 22, inband signaling channel 251 and the first target external interface 21.Through turning to of above information flow, can supply 3 pairs of these storage facilitiess of SAS testing apparatus to make the diagnosis of internal signal.
Please with reference to Fig. 6; Break off being connected of 32 of input end 31 and output terminals of the first target external interface 21 and SAS testing apparatus 3 of initial external interface 12, the target device card 2 of initial apparatus card 1; Connect the first target external interface 21 of the initial external interface 12 of initial apparatus card 1 in target device card 2; Make straight-through connection of 41 of hard disk 43 and backboards, realize the direct communication of the signal of 43 of backboard 41 and hard disks.
If carry on the initial equipment interface 11 or the first target device interface 22 some out-of-band-signal for example backboard send insert signal etc. to the control signal of Hard disk error cresset and to the control signal of hard disk energising or outage, the hard disk that hard disk sends; Connect the first initial external interface 21 of the out-of-band-signal interface 15 of initial apparatus card 1 in target device card 2; Out-of-band-signal on the initial equipment interface 11 inputs to out-of-band-signal interface 15 via out-of-band-signal channel 16; Transfer to the first target external interface 21 via connection cable (not label); Obtain these out-of-band-signal after give hard disk 43 at the first target external interface 21, accomplish the out-of-band-signal transfer function by out-of-band-signal channel 261, multiplexer 260, out-of-band-signal channel 262 data transmissions.Out-of-band-signal on the transmission direction of the out-of-band-signal on the initial equipment interface 11 and the first target device interface 22 in the opposite direction.Like this; These out-of-band-signal directly transfer to hard disk 31 via universal error detecting auxiliary device of the present invention; And needn't pass through SAS proving installation 3; Thereby can avoid the problem that has out-of-band-signal to lose like prior art, so the present invention also can possess the integrality of systemic-function when carrying out the debug program.In addition; Needs according to the operator; Via the control of switch switching device 26, can control out-of-band-signal that backboard 41 or hard disk 43 send and accomplish transmission or cover backboard 41 or out-of-band-signal that hard disk 43 sends, even direct virtual backboard or hard disk send these out-of-band-signal; Therefore can realize function and change, the reconstruction of the transmission control of these out-of-band-signal, the function of these out-of-band-signal of emulation, so universal error detecting auxiliary device of the present invention has preferable debug dirigibility.Universal error detecting auxiliary device of the present invention can be set up more a plurality of initial apparatus card 1 or target device card 2; Debug when being used between a target device and a plurality of initial equipment; Debug when perhaps being used between a plurality of target devices and the initial equipment; Can also be used for the debug between a plurality of target devices and a plurality of initial equipment, principle is the same, does not give unnecessary details.
In above-mentioned application example; The length of the clamp 10 of initial apparatus card 1 is slightly larger than or equals the length of hard disk 43; After inserting in the cabinet 42, the initial external interface 12 of this initial apparatus card 1 and out-of-band-signal interface 15 are exposed to outside the cabinet 42, in order to being connected with miscellaneous equipment.Because initial apparatus card 1 is the environment that is in cabinet 42, so can power supply directly be provided by backboard 41, the power supply terminal that just utilizes the SAS connector on the backboard 41 provides power supply via the power supply terminal of the correspondence of initial equipment interface 11 to initial apparatus card 1.Initial apparatus card 1 also can be provided with a supply socket (not shown), and in order to be connected to externally fed equipment (like the 220V power supply) so that universal error detecting auxiliary device is supplied power, principle is not given unnecessary details with the supply socket of target device card 2.
Please with reference to Fig. 7, be the application example that universal error detecting auxiliary device of the present invention is used for the debug of the hard disk 43 in the storage facilities itself.When the circuit of 41 of hard disk 43 and backboards well and only is a hard disk 43 when itself going wrong, universal error detecting auxiliary device of the present invention can connect 6 pairs of hard disks of a SAS/SATA information generator 43 and carry out debug.The first target device interface 22 of the target device card 2 of universal error detecting auxiliary device of the present invention docks with the corresponding interface of hard disk 43; The first target external interface 21 is coupled to SAS/SATA information generator 6; Information is exchanged between SAS/SATA information generator 6 and hard disk 43; SAS/SATA information generator 6 sends test signal, according to the response of hard disk 43, and the problem that judgement and debug hard disk 43 occur.
Universal error detecting auxiliary device of the present invention adopts the two clips design; Design initial apparatus card 1 and target device card 2 respectively; The complex circuit designs degree is low, structural member is realized easily, applied widely, the firmware development cost is low, reduced total cost; And have that to connect steadiness high, The operation convenient andmeasured and plug advantages such as easy.
Claims (11)
1. a universal error detecting auxiliary device is used to connect a testing apparatus to an initial equipment or a target device debug, and it is characterized in that: this universal error detecting auxiliary device comprises:
One initial apparatus card comprises an initial external interface and an initial equipment interface, and this initial external interface is in order to connect testing apparatus, and this initial equipment interface is in order to connect initial equipment; And
One target device card comprises a target external interface and a target device interface, and this target external interface is in order to connect testing apparatus, and this target device interface is in order to linking objective equipment; This initial external interface, initial equipment interface, target external interface and target device interface adopt the SAS agreement; Target device is a hard disk of a storage facilities, and initial equipment is a middle backboard of this storage facilities;
This initial apparatus card also includes an out-of-band-signal interface, and forms several strips external signal channel between the initial equipment interface, in order to transport tape outer control signal; Be provided with several strips external signal channel between the target external interface of this target device card and the target device interface; Connect the out-of-band-signal interface of initial apparatus card and the target external interface of target device card; Out-of-band-signal on the initial equipment interface inputs to the out-of-band-signal interface via the out-of-band-signal passage; Transfer to the target external interface via connection cable; Obtain these out-of-band-signal after give hard disk at the target external interface, accomplish the out-of-band-signal transfer function by out-of-band-signal channel, multiplexer, out-of-band-signal Channel Transmission data; Out-of-band-signal on the transmission direction of the out-of-band-signal on the initial equipment interface and the target device interface in the opposite direction; This target device card also comprises a multiplexer and a switch switching device; The switch switching device inserts this several strips external signal channel via multiplexer, in order to the transmission of control out-of-band-signal and the function that realizes change, reconstruction, these out-of-band-signal of emulation.
2. universal error detecting auxiliary device as claimed in claim 1 is characterized in that: this storage facilities comprises a cabinet, and initial apparatus card is inserted in this cabinet and electrically connects with backboard, and initial external interface is exposed to outside the cabinet and can outwards connects.
3. universal error detecting auxiliary device as claimed in claim 1 is characterized in that: the power supply of this initial apparatus card is taken from backboard.
4. universal error detecting auxiliary device as claimed in claim 1; It is characterized in that: the initial external interface of this initial apparatus card is connected with the target external interface of target device card; Hard disk and backboard are led directly to be connected, realize the direct communication of the signal between backboard and hard disk.
5. universal error detecting auxiliary device as claimed in claim 1 is characterized in that: this initial apparatus card also comprises a clamp, and it is provided with the conducting wire, in order to electrically connect initial equipment interface and initial external interface.
6. universal error detecting auxiliary device as claimed in claim 1; It is characterized in that: the target external interface and the target device interface of this target device card use in pairs; This target device card also comprises some to target external interface and target device interface; These are some can work respectively to target external interface and target device interface, or only chooses wherein a pair of work.
7. universal error detecting auxiliary device as claimed in claim 1 is characterized in that: this target device card also comprises a clamp, and it is provided with the conducting wire, in order to electrically connect target external interface and target device interface.
8. universal error detecting auxiliary device as claimed in claim 1; It is characterized in that: be provided with signaling channel in the several strips between the initial equipment interface of this initial apparatus card and the initial external interface; Be provided with signaling channel in the several strips between the target external interface of this target device card and the target device interface; Wherein be provided with balanced device at least one inband signaling channel, in order to improve the transmission quality of signal.
9. universal error detecting auxiliary device as claimed in claim 1; It is characterized in that: one of them also comprises a supply socket at least for this initial apparatus card and target device card; In order to be connected to an externally fed equipment, making externally fed equipment is the universal error detecting auxiliary device power supply via this supply socket.
10. universal error detecting auxiliary device as claimed in claim 1; It is characterized in that: this target device card also comprises a port selection element (port selection) and a SATA connector; This port is selected element one end to be connected with the target external interface and is done heat interchange; The other end connects the SATA connector and connects, and this SATA connector is in order to connect the SATA target device.
11. universal error detecting auxiliary device as claimed in claim 1; It is characterized in that: comprise that also a SAS changes the SATA interface and has the hard disk adapting card (Paddle Card) of port selection function; The one of which end is in order to be connected with the target device interface, and the other end is in order to connect the SATA target device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102033396A CN101751314B (en) | 2008-11-25 | 2008-11-25 | Universal error detecting auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102033396A CN101751314B (en) | 2008-11-25 | 2008-11-25 | Universal error detecting auxiliary device |
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| Publication Number | Publication Date |
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| CN101751314A CN101751314A (en) | 2010-06-23 |
| CN101751314B true CN101751314B (en) | 2012-07-04 |
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| CN2008102033396A Active CN101751314B (en) | 2008-11-25 | 2008-11-25 | Universal error detecting auxiliary device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2014082275A1 (en) * | 2012-11-30 | 2014-06-05 | 华为技术有限公司 | Method and apparatus for detecting cable connection condition |
| CN104331133B (en) * | 2014-11-07 | 2018-02-06 | 浪潮(北京)电子信息产业有限公司 | A kind of hard disk backboard and hard disk storage system |
| CN110047557B (en) * | 2019-04-18 | 2021-01-05 | 环旭电子股份有限公司 | Enterprise-level solid state disk function testing device and method |
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