CN110012369A - A kind of FC sonet card - Google Patents
A kind of FC sonet card Download PDFInfo
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- CN110012369A CN110012369A CN201910294520.0A CN201910294520A CN110012369A CN 110012369 A CN110012369 A CN 110012369A CN 201910294520 A CN201910294520 A CN 201910294520A CN 110012369 A CN110012369 A CN 110012369A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
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- H—ELECTRICITY
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- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
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Abstract
本申请公开了一种FC光纤卡，包括：用于与主板连接的主板连接器、用于将主板的PCIE信号分为多路FC信号的信号转换电路和多个输出连接器；其中，多个输出连接器的输出光口总数为大于4的正整数；主板连接器与信号转换电路连接；信号转换电路分别与每个输出连接器连接，每个输出连接器对应信号转换电路发出的一路FC信号；本申请利用信号转换电路将主板的PCIE信号分为多路FC信号，再配合多个输出连接器，使FC光纤卡的输出光口总数为大于4的正整数，提升了FC光纤卡的输出光口数量，进而提升了FC光纤卡的级联JBOD的能力，使其扩展性更好，同时，还可以保证不增大FC光纤卡的尺寸。
The application discloses an FC fiber optic card, comprising: a mainboard connector for connecting with a mainboard, a signal conversion circuit for dividing a PCIE signal of the mainboard into multi-channel FC signals, and a plurality of output connectors; The total number of output optical ports of the output connector is a positive integer greater than 4; the main board connector is connected to the signal conversion circuit; the signal conversion circuit is respectively connected to each output connector, and each output connector corresponds to one FC signal sent by the signal conversion circuit The present application uses the signal conversion circuit to divide the PCIE signal of the motherboard into multiple FC signals, and then cooperates with multiple output connectors, so that the total number of output optical ports of the FC fiber optic card is a positive integer greater than 4, which improves the output of the FC fiber optic card. The number of optical ports improves the cascading JBOD capability of the FC fiber optic card, making it more scalable. At the same time, it can also ensure that the size of the FC fiber optic card is not increased.
Description
技术领域technical field
本发明涉及计算机存储技术领域，特别涉及一种FC光纤卡。The invention relates to the technical field of computer storage, in particular to an FC optical fiber card.
背景技术Background technique
随着人类社会的发展，世界上的数据量正在大幅度的增长，企业对于存储系统的容量需求也越来越大，这就要求在存储系统中需要级联越来越多的JBOD(Just a Bunch OfDisks，磁盘扩展柜)。而存储控制器与JBOD之间通常是使用FC光纤卡(FC，Fibre Channel，光纤通道)进行级联的，目前市场上的FC光纤卡比较成熟的基本是2口和4口的FC光纤卡，他的扩展能力也是有一定的限度的，而对于超大容量的存储需求则很难满足。With the development of human society, the amount of data in the world is increasing substantially, and enterprises have an increasing demand for storage system capacity, which requires more and more JBOD (Just a) cascaded in the storage system. Bunch OfDisks, disk expansion enclosure). The storage controller and JBOD are usually cascaded using FC fiber optic cards (FC, Fibre Channel, Fibre Channel). Currently, the more mature FC fiber optic cards on the market are basically 2-port and 4-port FC fiber optic cards. Its expansion capability is also limited, and it is difficult to meet the storage requirements for super-large capacity.
基于以上问题，需要提出一种级联JBOD的能力更强的FC光纤卡。Based on the above problems, it is necessary to propose an FC fiber optic card with a stronger capability of cascading JBODs.
发明内容SUMMARY OF THE INVENTION
有鉴于此，本发明的目的在于提供一种FC光纤卡，提升级联JBOD的能力。其具体方案如下：In view of this, the purpose of the present invention is to provide an FC fiber optic card to improve the capability of cascading JBODs. Its specific plan is as follows:
一种FC光纤卡，包括：用于与主板连接的主板连接器、用于将所述主板的PCIE信号分为多路FC信号的信号转换电路和多个输出连接器；其中，多个输出连接器的输出光口总数为大于4的正整数；An FC fiber optic card, comprising: a mainboard connector for connecting with a mainboard, a signal conversion circuit for dividing a PCIE signal of the mainboard into multi-channel FC signals, and a plurality of output connectors; The total number of output optical ports of the device is a positive integer greater than 4;
所述主板连接器与所述信号转换电路连接；the motherboard connector is connected with the signal conversion circuit;
所述信号转换电路分别与每个输出连接器连接，每个输出连接器对应所述信号转换电路发出的一路FC信号。The signal conversion circuit is respectively connected with each output connector, and each output connector corresponds to a channel of FC signal sent by the signal conversion circuit.
可选的，还包括分别与所述连接器和所述信号转换电路连接的时钟缓冲器；Optionally, it also includes a clock buffer connected to the connector and the signal conversion circuit respectively;
所述时钟缓冲器，用于通过所述连接器接收所述主板的PCIE参考时钟的时钟信号，将所述时钟信号同步至所述信号转换电路。The clock buffer is used for receiving the clock signal of the PCIE reference clock of the motherboard through the connector, and synchronizing the clock signal to the signal conversion circuit.
可选的，所述信号转换电路包括PCIE交换芯片和两个FC转换芯片；Optionally, the signal conversion circuit includes a PCIE switch chip and two FC conversion chips;
所述PCIE交换芯片与所述主板连接器相连，所述PCIE交换芯片与两个FC转换芯片分别相连；The PCIE switching chip is connected with the motherboard connector, and the PCIE switching chip is respectively connected with two FC conversion chips;
两个FC转换芯片分别与一个输出连接器连接；The two FC conversion chips are respectively connected with an output connector;
所述PCIE交换芯片，用于将所述主板的PCIE信号分为两路PCIE信号，两路PCIE信号分别提供给一个FC转换芯片；The PCIE switching chip is used to divide the PCIE signal of the motherboard into two PCIE signals, and the two PCIE signals are respectively provided to an FC conversion chip;
每个FC转换芯片，用于将PCIE信号转换为FC信号，并发送至相应的输出连接器。Each FC conversion chip is used to convert PCIE signals to FC signals and send them to the corresponding output connectors.
可选的，所述信号转换电路为双路FC转换芯片，所述主板连接器为PCIEx16连接器；Optionally, the signal conversion circuit is a dual-channel FC conversion chip, and the motherboard connector is a PCIEx16 connector;
所述双路FC转换芯片与所述PCIE x16连接器连接，所述双路FC转换芯片分别与多个输出连接器连接；The two-way FC conversion chip is connected with the PCIE x16 connector, and the two-way FC conversion chip is connected with a plurality of output connectors respectively;
所述双路FC转换芯片，用于将所述主板的PCIE信号转化为多路FC信号，每路FC信号发送至相应的一个输出连接器。The dual-channel FC conversion chip is used to convert the PCIE signal of the motherboard into multiple-channel FC signals, and each channel of the FC signal is sent to a corresponding output connector.
可选的，输出连接器为QSFP连接器。Optionally, the output connector is a QSFP connector.
可选的，两个FC转换芯片分别为第一FC转换芯片和第二FC转换芯片，所述第一FC转换芯片与QSFP连接器连接，所述第二FC转换芯片与包括两个SFP光口的输出连接器连接。Optionally, the two FC conversion chips are respectively a first FC conversion chip and a second FC conversion chip, the first FC conversion chip is connected to a QSFP connector, and the second FC conversion chip is connected to a QSFP connector including two SFP optical ports. connected to the output connector.
本发明中，FC光纤卡，包括：用于与主板连接的主板连接器、用于将主板的PCIE信号分为多路FC信号的信号转换电路和多个输出连接器；其中，多个输出连接器的输出光口总数为大于4的正整数；主板连接器与信号转换电路连接；信号转换电路分别与每个输出连接器连接，每个输出连接器对应信号转换电路发出的一路FC信号。In the present invention, the FC fiber optic card includes: a mainboard connector for connecting with the mainboard, a signal conversion circuit for dividing the PCIE signal of the mainboard into multi-channel FC signals, and a plurality of output connectors; The total number of output optical ports of the device is a positive integer greater than 4; the motherboard connector is connected to the signal conversion circuit; the signal conversion circuit is respectively connected to each output connector, and each output connector corresponds to one FC signal sent by the signal conversion circuit.
本发明利用信号转换电路将主板的PCIE信号分为多路FC信号，再配合多个输出连接器，使FC光纤卡的输出光口总数为大于4的正整数，提升了FC光纤卡的输出光口数量，进而提升了FC光纤卡的级联JBOD的能力，使其扩展性更好，同时，还可以保证不增大FC光纤卡的尺寸。The invention uses the signal conversion circuit to divide the PCIE signal of the main board into multi-channel FC signals, and then cooperates with a plurality of output connectors, so that the total number of output optical ports of the FC optical fiber card is a positive integer greater than 4, and the output light of the FC optical fiber card is improved. The number of ports is increased, thereby improving the cascading JBOD capability of the FC fiber optic card, making it more scalable, and at the same time, it can also ensure that the size of the FC fiber optic card is not increased.
附图说明Description of drawings
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据提供的附图获得其他的附图。In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only It is an embodiment of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to the provided drawings without creative work.
图1为本发明实施例公开的一种FC光纤卡结构示意图；1 is a schematic structural diagram of an FC fiber optic card disclosed in an embodiment of the present invention;
图2为本发明实施例公开的另一种FC光纤卡结构示意图。FIG. 2 is a schematic structural diagram of another FC fiber optic card disclosed in an embodiment of the present invention.
图3为本发明实施例公开的另一种FC光纤卡结构示意图。FIG. 3 is a schematic structural diagram of another FC fiber optic card disclosed in an embodiment of the present invention.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
本发明实施例公开了一种FC光纤卡，参见图1所示，包括：用于与主板连接的主板连接器1、用于将主板的PCIE信号(PCIE，Peripheral Component Interconnect Express，高速串行计算机扩展总线标准)分为多路FC信号的信号转换电路2和多个输出连接器3；其中，多个输出连接器3的输出光口总数为大于4的正整数；An embodiment of the present invention discloses an FC fiber optic card, as shown in FIG. 1 , comprising: a mainboard connector 1 for connecting with a mainboard, a PCIE signal (PCIE, Peripheral Component Interconnect Express, high-speed serial computer Expansion bus standard) is divided into a signal conversion circuit 2 and a plurality of output connectors 3 of multi-channel FC signals; wherein, the total number of output optical ports of the plurality of output connectors 3 is a positive integer greater than 4;
主板连接器1与信号转换电路2连接；The mainboard connector 1 is connected with the signal conversion circuit 2;
信号转换电路2分别与每个输出连接器3连接，每个输出连接器3对应信号转换电路2发出的一路FC信号。The signal conversion circuit 2 is respectively connected with each output connector 3 , and each output connector 3 corresponds to a channel of FC signal sent by the signal conversion circuit 2 .
具体的，利用信号转换电路2将主板的PCIE信号分为多路FC信号，再配合多个输出连接器3，使FC光纤卡的输出光口总数为大于4的正整数，例如，可以包括8个输出连接器3，信号转换电路2将主板的PCIE信号分为8路FC信号，每个输出连接器3包括一个输出光口，使整个FC光纤卡包括8路光口，或可以包括2个输出连接器3，信号转换电路2将主板的PCIE信号分为2路FC信号，每个输出连接器3包括3个输出光口，使整个FC光纤卡包括6路光口，通过信号转换电路2将主板的PCIE信号分为多路FC信号，再提升FC光纤卡的输出光口数量，使得FC光纤卡的级联JBOD的能力提升，扩展性更好，甚至可以提升数倍级联JBOD的能力。Specifically, the signal conversion circuit 2 is used to divide the PCIE signal of the motherboard into multiple FC signals, and then multiple output connectors 3 are used to make the total number of output optical ports of the FC fiber card a positive integer greater than 4, for example, it can include 8 There are output connectors 3, the signal conversion circuit 2 divides the PCIE signal of the main board into 8 channels of FC signals, and each output connector 3 includes an output optical port, so that the entire FC fiber optic card includes 8 optical ports, or can include 2 optical ports The output connector 3, the signal conversion circuit 2 divides the PCIE signal of the motherboard into 2 FC signals, each output connector 3 includes 3 output optical ports, so that the entire FC fiber optic card includes 6 optical ports, through the signal conversion circuit 2 The PCIE signal of the motherboard is divided into multiple FC signals, and then the number of output optical ports of the FC fiber optic card is increased, so that the ability of the FC fiber optic card to cascade JBODs is improved, and the scalability is better, and it can even improve the ability of cascading JBODs several times. .
需要说明的是，由于输出连接器3所占空间小，而信号转换电路2也无需占据大量空间，因此，可以保证在现有的FC光纤卡的大小的基础上进行提升，而无需增大FC光纤卡的大小。It should be noted that, since the output connector 3 occupies a small space, and the signal conversion circuit 2 does not need to occupy a large amount of space, it can be ensured that the size of the existing FC fiber optic card can be improved without increasing the FC The size of the fiber optic card.
可见，本发明实施例利用信号转换电路2将主板的PCIE信号分为多路FC信号，再配合多个输出连接器3，使FC光纤卡的输出光口总数为大于4的正整数，提升了FC光纤卡的输出光口数量，进而提升了FC光纤卡的级联JBOD的能力，使其扩展性更好，同时，还可以保证不增大FC光纤卡的尺寸。It can be seen that in the embodiment of the present invention, the signal conversion circuit 2 is used to divide the PCIE signal of the motherboard into multiple FC signals, and then multiple output connectors 3 are used to make the total number of output optical ports of the FC fiber card a positive integer greater than 4, which improves the The number of output optical ports of the FC fiber optic card improves the cascading JBOD capability of the FC fiber optic card, making it more scalable, and at the same time, it can also ensure that the size of the FC fiber optic card is not increased.
本发明实施例公开了一种具体的FC光纤卡，相对于上一实施例，本实施例对技术方案作了进一步的说明和优化。参见图2和图3所示，具体的：The embodiment of the present invention discloses a specific FC optical fiber card. Compared with the previous embodiment, this embodiment further describes and optimizes the technical solution. See Figure 2 and Figure 3, specifically:
具体的，为保证时钟同步，还可以包括分别与连接器和信号转换电路2连接的时钟缓冲器4；Specifically, in order to ensure clock synchronization, a clock buffer 4 connected to the connector and the signal conversion circuit 2 may also be included;
时钟缓冲器4，用于通过连接器接收主板的PCIE参考时钟的时钟信号，将时钟信号同步至信号转换电路2。The clock buffer 4 is used for receiving the clock signal of the PCIE reference clock of the motherboard through the connector, and synchronizing the clock signal to the signal conversion circuit 2 .
进一步的，上述信号转换电路2可以具体包括PCIE交换芯片21和两个FC转换芯片22；Further, the above-mentioned signal conversion circuit 2 may specifically include a PCIE switching chip 21 and two FC conversion chips 22;
PCIE交换芯片21与主板连接器1相连，PCIE交换芯片21与两个FC转换芯片22分别相连；The PCIE switch chip 21 is connected to the mainboard connector 1, and the PCIE switch chip 21 is connected to the two FC conversion chips 22 respectively;
两个FC转换芯片22分别与一个输出连接器3连接；The two FC conversion chips 22 are respectively connected with an output connector 3;
PCIE交换芯片21，用于将主板的PCIE信号分为两路PCIE信号，两路PCIE信号分别提供给一个FC转换芯片22；The PCIE switching chip 21 is used to divide the PCIE signal of the main board into two PCIE signals, and the two PCIE signals are respectively provided to an FC conversion chip 22;
每个FC转换芯片22，用于将PCIE信号转换为FC信号，并发送至相应的输出连接器3。Each FC conversion chip 22 is used to convert the PCIE signal into an FC signal and send it to the corresponding output connector 3 .
具体的，主板连接器1可以采用PCIE x16连接器11或PCIE x8连接器。Specifically, the motherboard connector 1 may use a PCIE x16 connector 11 or a PCIE x8 connector.
此外，上述信号转换电路2还可以选用能够将PCIE信号直接转换为双路FC信号的双路FC转换芯片23，主板连接器1为PCIE x16连接器11；In addition, the above-mentioned signal conversion circuit 2 can also select a dual-channel FC conversion chip 23 capable of directly converting PCIE signals into dual-channel FC signals, and the motherboard connector 1 is a PCIE x16 connector 11;
双路FC转换芯片23与PCIE x16连接器11连接，双路FC转换芯片23分别与多个输出连接器3连接；The dual-channel FC conversion chip 23 is connected to the PCIE x16 connector 11, and the dual-channel FC conversion chip 23 is respectively connected to a plurality of output connectors 3;
双路FC转换芯片23，用于将主板的PCIE信号转化为多路FC信号，每路FC信号发送至相应的一个输出连接器3。The dual-channel FC conversion chip 23 is used to convert the PCIE signal of the main board into a multi-channel FC signal, and each channel of the FC signal is sent to a corresponding one of the output connectors 3 .
具体的，用于采用双路FC转换芯片23与主板连接器1相连，为确保兼容性，此时主板连接器1为PCIE x16连接器11。Specifically, the dual-channel FC conversion chip 23 is used to connect to the mainboard connector 1 . To ensure compatibility, the mainboard connector 1 is the PCIE x16 connector 11 at this time.
其中，上述输出连接器3均可以为QSFP连接器31(QSFP，Quad Small Form-factorPluggable，四通道SFP接口，SFP，Small Form-factor Pluggables，光模块)，使FC光纤卡变为8口FC光纤卡；当然，输出连接器3也可以选择其它型号，例如，两个FC转换芯片22分别为第一FC转换芯片22和第二FC转换芯片22，第一FC转换芯片22与QSFP连接器31连接，第二FC转换芯片22与包括两个SFP光口的输出连接器3连接。The above-mentioned output connectors 3 can all be QSFP connectors 31 (QSFP, Quad Small Form-factor Pluggable, four-channel SFP interface, SFP, Small Form-factor Pluggables, optical module), so that the FC fiber optic card becomes an 8-port FC fiber Of course, the output connector 3 can also choose other models, for example, the two FC conversion chips 22 are the first FC conversion chip 22 and the second FC conversion chip 22, and the first FC conversion chip 22 is connected to the QSFP connector 31. , the second FC conversion chip 22 is connected to the output connector 3 including two SFP optical ports.
可以理解的是，时钟缓冲器4可以分别与主板连接器1和信号转换电路2中PCIE交换芯片21和FC转换芯片22连接，以将主板的PCIE参考时钟的时钟信号同步。It can be understood that the clock buffer 4 can be connected to the motherboard connector 1 and the PCIE switching chip 21 and the FC switching chip 22 in the signal conversion circuit 2 respectively to synchronize the clock signal of the PCIE reference clock of the motherboard.
进一步的，若不考虑尺寸问题，信号转换电路2可以采用多个FC转换芯片22分别与PCIE交换芯片21连接，每个FC转换芯片22可以对应一个或多个输出连接器3，起到提升FC光纤卡的输出光口数量的作用。Further, if the size problem is not considered, the signal conversion circuit 2 can use a plurality of FC conversion chips 22 to be connected to the PCIE switching chip 21 respectively, and each FC conversion chip 22 can correspond to one or more output connectors 3 to improve the FC. The function of the number of output optical ports of the fiber optic card.
最后，还需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。Finally, it should also be noted that in this document, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply these entities or that there is any such actual relationship or sequence between operations. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.
专业人员还可以进一步意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、计算机软件或者二者的结合来实现，为了清楚地说明硬件和软件的可互换性，在上述说明中已经按照功能一般性地描述了各示例的组成及步骤。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本发明的范围。Professionals may further realize that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of the two, in order to clearly illustrate the possibilities of hardware and software. Interchangeability, the above description has generally described the components and steps of each example in terms of functionality. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each particular application, but such implementations should not be considered beyond the scope of the present invention.
以上对本发明所提供的一种FC光纤卡进行了详细介绍，本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想；同时，对于本领域的一般技术人员，依据本发明的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本发明的限制。The FC fiber optic card provided by the present invention has been introduced in detail above, and the principles and implementations of the present invention are described with specific examples in this paper. At the same time, for those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation and application scope. To sum up, the content of this description should not be construed as a limitation to the present invention. .
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