CN105512058A - High-end storage PCIE interchanger and management module thereof - Google Patents

Abstract

The invention discloses a high-end storage PCIE switch and its management module. The management module includes: a substrate and a CPU board for controlling and monitoring the PCIE switch. The CPU board and the substrate are detachably connected, and the substrate is provided with a backplane The external communication interface of the PCIE signal, and the output network port and the output serial port for the CPU board card are also provided on the substrate. When laying out and wiring the management module of the high-end storage PCIE switch, the layout and wiring of the CPU board and the substrate are carried out separately. The design of the CPU board and the substrate is modularized, and the layout and wiring are simpler. In subsequent upgrades, it is only necessary to re-upgrade the CPU board, re-layout and route the CPU board, and then connect the upgraded new CPU board to the base board, avoiding communication interfaces, output network ports and serial ports. Layout and routing further reduces the difficulty of layout and routing, while reducing research and development costs.

Description

A high-end storage PCIE switch and its management module

technical field

The invention relates to the technical field of communication, in particular to a high-end storage PCIE switch and a management module thereof.

Background technique

With the development of PCIE technology, it has become the development trend of communication technology to interconnect multiple communication devices between boards for data forwarding through the PCIE protocol. At this time, it must be applied to PCIE switches. Among them, the so-called PCIE technology refers to external Set up component interconnection standard extension technology.

According to Moore's Law, the computing speed of the CPU increases exponentially on a regular basis and has reached the nanoscale process. However, the data reading speed of the mechanical disk has a limited increase, from 72,000 rpm to 100,000 rpm to 150,000 rpm. The response speed only reaches the millisecond level, which is several orders of magnitude lower than the CPU's computing speed. Therefore, storage has become the performance bottleneck of the data center. At present, there are storage system platforms with high performance and high reliability on the market, which support two configuration modes of SSD+HDD hierarchical storage and all-flash storage, and can provide million-level data response speed, making the operation of the entire data center more efficient and efficient. smoother. In order to realize the high-speed interconnection between the front-end PCIE switch module of this high-performance storage system platform and the server, a PCIE switch for high-end storage emerges as the times require. However, the management module of the PCIE switch for high-end storage is designed as an independent board, which integrates the control function and data transmission function of the switch, and the wiring is complicated, which makes the layout and wiring of the board very difficult. , and because the management module will be upgraded over time, it is necessary to redesign the board of the management module, the control function unit, the data transmission function unit and many wirings, making the R&D cost high.

Therefore, how to reduce the difficulty of layout and wiring of the management module of the high-end storage PCIE switch, facilitate subsequent upgrades, and reduce research and development costs is a technical problem that those skilled in the art need to solve at present.

Contents of the invention

The purpose of the present invention is to provide a high-end storage PCIE switch and its management module, which can reduce the difficulty of layout and wiring of the management module of the high-end storage PCIE switch, facilitate subsequent upgrades, and reduce research and development costs.

In order to solve the problems of the technologies described above, the present invention provides the following technical solutions:

A high-end storage PCIE switch management module, including: a substrate and a CPU board for controlling and monitoring the PCIE switch, the CPU board and the base are detachably connected, and the base is provided with a backplane PCIE signal For the external communication interface, an output network port and an output serial port for the CPU board are also provided on the base board.

Preferably, the external communication interface providing backplane PCIE signals is a QSFP+ interface.

Preferably, the output serial port is an earphone interface, which is used to connect an external communication terminal through a corresponding serial port cable to configure the PCIE switch.

Preferably, the substrate is provided with a connector, and the connector is provided with a slot for inserting and connecting the CPU board.

Preferably, the substrate is also provided with a USB interface for data transmission with an external communication terminal.

Preferably, the CPU board includes a control chip for controlling and monitoring the PCIE switch, a memory stick and a hard disk connected to the control chip.

Preferably, the memory stick is SODIMM with ECC, and the capacity of the memory stick is 4GB or 8GB.

Preferably, the hard disk is an M-SATA hard disk, and the hard disk has a capacity of 32GB.

Preferably, the substrate further includes an LED light for indicating the working status of the PCIE switch.

A high-end storage PCIE switch, including a switch body and a high-end storage PCIE switch management module as described in any one of the above.

Compared with the prior art, the above-mentioned technical solution has the following advantages:

The high-end storage PCIE switch management module provided by the present invention includes: a substrate and a CPU board for controlling and monitoring the PCIE switch, the CPU board and the substrate are detachably connected, and the substrate is provided with a backplane An external communication interface of the PCIE signal, and an output network port and an output serial port for the CPU board card are also provided on the substrate. The CPU board realizes the monitoring and control of the switch. The base board is provided with various communication interfaces, output network ports and serial ports for the management module, and the CPU board and the base board are detachably connected for communication. When laying out and wiring the management module of the high-end storage PCIE switch, lay out and route the CPU board and base board respectively. Since there is no external communication interface on the CPU board, the layout and wiring on it are simpler, and the substrate only needs to lay out the connection wiring with the CPU board and the layout and wiring of each communication interface, network port, serial port, etc. In this way, The CPU board and base board realize the design modularization, and the layout and wiring are simpler. In subsequent upgrades, it is only necessary to re-upgrade the CPU board, re-layout and route the CPU board, and then connect the upgraded new CPU board to the base board, avoiding communication interfaces, output network ports and serial ports. Layout and routing further reduces the difficulty of layout and routing, while reducing research and development costs.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the 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 For some embodiments of the present invention, those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic structural diagram of a high-end storage PCIE switch management module provided by a specific embodiment of the present invention.

detailed description

The core of the present invention is to provide a high-end storage PCIE switch and its management module, which can reduce the difficulty of layout and wiring of the management module of the high-end storage PCIE switch, facilitate subsequent upgrades, and reduce research and development costs.

In order to make the above objects, features and advantages of the present invention more comprehensible, the specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.

In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways than those described here, and those skilled in the art can make similar extensions without departing from the connotation of the present invention. Accordingly, the present invention is not limited to the specific embodiments disclosed below.

Please refer to FIG. 1, which is a schematic structural diagram of a high-end storage PCIE switch management module provided by a specific embodiment of the present invention.

In a specific embodiment of the present invention, a high-end storage PCIE switch management module includes: a substrate 1 and a CPU board 2 for controlling and monitoring the PCIE switch, the CPU board 2 and the substrate 1 are detachably connected, and the substrate 1 is provided with an external communication interface that provides backplane PCIE signals, and the substrate 1 is also provided with an output network port and an output serial port for the CPU board 2. Preferably, the substrate 1 is provided with a connector, and the connector is provided with a slot for allowing the CPU board to be inserted and connected. When the CPU board is upgraded, the upgraded CPU board can be replaced by the original CPU board and inserted in the connector socket.

In this embodiment, the CPU board realizes the monitoring and control of the switch, and the base board is provided with external communication interfaces, output network ports, serial ports, etc. for the management module, and the CPU board and the base board are detachably connected for communication. When laying out and wiring the management module of the high-end storage PCIE switch, lay out and route the CPU board and base board respectively. Since there is no external communication interface on the CPU board, the layout and wiring on it are simpler, and the substrate only needs to lay out the connection wiring with the CPU board and the layout and wiring of each communication interface, network port, serial port, etc. In this way, The CPU board and base board realize the design modularization, and the layout and wiring are simpler. In subsequent upgrades, it is only necessary to re-upgrade the CPU board, re-layout and route the CPU board, and then connect the upgraded new CPU board to the base board, avoiding communication interfaces, output network ports and serial ports. Layout and routing further reduces the difficulty of layout and routing, while reducing research and development costs.

On the basis of the foregoing embodiments, the external communication interface that provides backplane PCIE signals in an embodiment of the present invention is a QSFP+ interface, wherein, preferably, the management module is provided with 8 QSFP+ interfaces in total to output PCIE signals externally, wherein the The QSFP+ interface not only supports the PCIE3.0 specification, but is also backward compatible with PCIE2.0 and PCIE1.0. Among them, QSFP+ is the abbreviation of QuadSmallForm-factorPluggablePlus, and the QSFP+ interface refers to the four small-volume pluggable interfaces, and its solution is designed for high-density applications. The output network port on the substrate is a standard network port. The management module can control the PCIE switch through the network port. The serial port IP still needs to be configured through the serial port. Further, the output serial port is a headphone interface, and the output of the external serial port information is realized through the headphone interface, which is used to connect the external communication terminal through the corresponding serial port line to configure the PCIE switch, wherein the output serial port is connected to the computer through the supporting serial port line On the computer side, the configuration of the PCIE switch is realized through HyperTerminal and other similar software. Furthermore, a USB interface for data transmission with an external communication terminal is also provided on the substrate.

Each communication interface, output serial port, and output network port are all set on the base board. Since these interfaces, serial ports, and network ports generally do not need to be changed when the management module is upgraded, the base board does not need to be re-layouted and wired when the management module is upgraded. , which reduces the difficulty of layout and wiring of the management module, and reduces the cost of research and development.

In one embodiment of the present invention, the CPU board includes a control chip for controlling and monitoring the PCIE switch, a memory stick and a hard disk connected to the control chip. Among them, the preferred memory stick is SODIMM with ECC, and the capacity of the memory stick is 4GB or 8GB. Further, preferably, the hard disk is an M-SATA hard disk, and the capacity of the hard disk is 32GB.

Among them, ECC is the abbreviation of ErrorCorrectingCode, referring to error checking and correction. SODIMM is the abbreviation of Small Outline Dual In-line Memory Module, which is a small dual in-line memory module. M-SATA hard disk is a hard disk with mini SATA interface. The above-mentioned memory stick and hard disk ensure the miniaturization of the CPU board.

In one embodiment of the present invention, the substrate further includes an LED light for indicating the working status of the PCIE switch.

In this embodiment, two LED lights are included. One of them is a green LED light, when the light is on, it means that the PCIE switch is in normal working state; the other is a red LED light, when the light is on, it means that the PCIE switch is faulty.

An embodiment of the present invention also provides a high-end storage PCIE switch, including a switch body and the high-end storage PCIE switch management module provided in any one of the above-mentioned embodiments.

In this embodiment, the basic input and output system software used by the high-end storage PCIE switch management module is the bin file of Amazon_BIOS_1.1.00_20140110, and the operating system is Linux6.4 version. When starting up and debugging, export the data through the Jack to the serial port (that is, the output serial port), and check the required hardware information under the Linux operating system to further optimize the functions of the CPU board.

In one embodiment of the present invention, part of the power supply unit for supplying power to the CPU board is designed on the substrate, thereby reducing the number of power supply units on the CPU board, so that the power supply unit is not designed on the CPU board, nor Concentrated on the substrate, it can not only ensure the power supply to the electrical components on the CPU board, but also reduce the interference of the power supply unit to the signal, and improve the quality of the signal.

In summary, the high-end storage PCIE switch and its management module, CPU board and substrate provided by the embodiments of the present invention realize modular design, which makes the layout and wiring simpler. In subsequent upgrades, you only need to re-upgrade the CPU board, re-layout and route the CPU board, and then plug the upgraded new CPU board into the slot on the base board, which avoids communication interfaces and output network The layout and wiring of the port and serial port make full use of the space and further reduce the difficulty of layout and wiring. At the same time, it avoids the excessive concentration of the power supply unit on the CPU board to cause great interference to the signal, thereby increasing the quality of the signal, thereby reducing the system risk of the board and reducing the research and development cost.

A high-end storage PCIE switch and its management module provided by the present invention have been introduced in detail above. In this paper, specific examples are used to illustrate the principles and implementation methods of the present invention, and the descriptions of the above embodiments are only used to help understand the present invention and its core ideas. It should be pointed out that for those skilled in the art, without departing from the principles of the present invention, some improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims (10)

1. A high-end storage PCIE switch management module is characterized in that, comprising: a base plate and a CPU board for controlling and monitoring the PCIE switch, the CPU board and the base board are detachably connected, and the base board is provided with The external communication interface of the backplane PCIE signal is provided, and an output network port and an output serial port for the CPU board card are also provided on the said substrate. 2. The management module according to claim 1, wherein the external communication interface that provides backplane PCIE signals is a QSFP+ interface. 3. The management module according to claim 2, wherein the output serial port is an earphone interface, which is used to connect an external communication terminal through a corresponding serial port line to configure the PCIE switch. 4. The management module according to any one of claims 1 to 3, wherein a connector is provided on the substrate, and a slot for inserting and connecting the CPU board is provided on the connector. 5. The management module according to claim 4, wherein a USB interface for data transmission with an external communication terminal is further provided on the substrate. 6. The management module according to claim 5, wherein the CPU board includes a control chip for controlling and monitoring the PCIE switch, a memory stick and a hard disk connected to the control chip. 7. The management module according to claim 6, wherein the memory stick is a SODIMM with ECC, and the capacity of the memory stick is 4GB or 8GB. 8. The management module according to claim 7, wherein the hard disk is an M-SATA hard disk, and the capacity of the hard disk is 32GB. 9. The management module according to claim 8, wherein the base board further comprises an LED light for indicating the working state of the PCIE switch. 10. A high-end storage PCIE switch, characterized in that it comprises a switch body and the high-end storage PCIE switch management module according to any one of claims 1 to 9.