CN108733612B - Expansion system and expansion method for server hard disk SGPIO signal - Google Patents

Expansion system and expansion method for server hard disk SGPIO signal Download PDF

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CN108733612B
CN108733612B CN201810503139.6A CN201810503139A CN108733612B CN 108733612 B CN108733612 B CN 108733612B CN 201810503139 A CN201810503139 A CN 201810503139A CN 108733612 B CN108733612 B CN 108733612B
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sgpio
programmable logic
signals
logic device
complex programmable
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CN108733612A (en
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王栋
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Zhengzhou Yunhai Information Technology Co Ltd
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Zhengzhou Yunhai Information Technology Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/40Bus structure
    • G06F13/4004Coupling between buses
    • G06F13/4022Coupling between buses using switching circuits, e.g. switching matrix, connection or expansion network
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/30Monitoring
    • G06F11/32Monitoring with visual or acoustical indication of the functioning of the machine
    • G06F11/324Display of status information
    • G06F11/325Display of status information by lamps or LED's

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  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
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Abstract

The invention relates to the technical field of servers, and provides an expansion system and an expansion method for server hard disk SGPIO signals, wherein the system comprises an expander board card and a first complex programmable logic device, the expander board card is provided with an expander chip, the expander board card is also provided with a second complex programmable logic device, and the second complex programmable logic device is connected with the first complex programmable logic device: the second complex programmable logic device is used for analyzing one path of SGPIO signals transmitted to the expander chip, and recombining the SGPIO signals to generate n groups of SGPIO signals, each group of SGPIO signals comprises the lighting information of four hard disks, and each group of SGPIO signals corresponds to one hard disk backboard, so that the SGPIO signals of the original expander chip are expanded, the LED lamps meeting the requirements of various backboards are lighted, and the product quality is improved.

Description

Expansion system and expansion method for server hard disk SGPIO signal
Technical Field
The invention belongs to the technical field of servers, and particularly relates to an expansion system and an expansion method of server hard disk SGPIO signals.
Background
With the rapid development of the server market, the demand of the market for the server is larger and larger, and the functional requirements of the server are also larger and larger. Correspondingly, the requirement on the storage function of the server is higher and higher, the number of hard disks required in one chassis is higher and higher, and only the IO port on the motherboard is used for signal conversion, so that a sufficient SAS/SATA interface cannot be provided to connect with a sufficient hard disk, and therefore, the SAS signal needs to be expanded through the expander chip.
The Expander chip can convert and divide the few SAS signals of the uplink into more SAS/SATA signals, thereby meeting the support of more hard disk numbers of the downlink under the condition of less uplink data channels. The Expander card is a board card integrating an Expander chip and an uplink/downlink IO port, and can expand uplink signals and output more paths of downlink SAS/SATA signals.
In the server system, the hard disks are connected to the back plate for use, and the back plate has an important function of providing power supply and data interfaces for the hard disks, namely providing LED indicating lamps which can indicate the working states of the corresponding hard disks. The lighting signals of the SAS/SATA hard disk are all that SGPIO signals are sent to the CPLD on the backboard through the uplink controller, and the CPLD on the backboard analyzes the SGPIO signals, so that the LED lamps on the backboard are controlled.
At present, in a general situation, an expander card can be connected with a plurality of backplanes in a downstream manner, the number of hard disks on each backplane is also multiple of 4, and therefore, the expander chip is required to be capable of sending out multiple SGPIO signals to the plurality of backplanes. However, common expander chips in the market generally can only output a few groups or even one group of SGPIO signals, and cannot completely meet the requirement of the downstream backplane for the SGPIO signals.
Disclosure of Invention
The invention aims to provide an expansion system of server hard disk SGPIO signals, and aims to solve the problem that in the prior art, an expander chip can only output a small number of groups of SGPIO signals or even one group of SGPIO signals, and the requirement of a downlink back plate on the SGPIO signals cannot be met completely.
The invention is realized in such a way that an expansion system of server hard disk SGPIO signals comprises an expander board card and a first complex programmable logic device connected with the expander board card, wherein an expander chip is arranged on the expander board card, a second complex programmable logic device connected with the expander chip is also arranged on the expander board card, and the second complex programmable logic device is connected with the first complex programmable logic device through a plurality of SGPIO signal lines:
the second complex programmable logic device is used for analyzing one path of SGPIO signals transmitted to the expander chip and recombining the signals to generate n groups of SGPIO signals, each group of SGPIO signals comprises the lighting information of four hard disks, and each group of SGPIO signals corresponds to one hard disk backboard.
As an improved solution, the second complex programmable logic device comprises:
the SGPIO signal receiving module is used for receiving a path of SGPIO signals which are sent by the expander chip and contain 4n hard disk lighting information, the SGPIO signals are 12n bits, and each 3 bits form a group;
the cutting module is used for cutting 12n bit data of the SGPIO signal;
the recombination module is used for controlling to recombine every 12 bits into a group of SGPIO signals, wherein each group of SGPIO signals comprises lighting information of 4 hard disks;
and the SGPIO signal sending module is used for transmitting the n groups of synthesized SGPIO signals to the first complex programmable logic device.
As an improved scheme, the electric lamp information of each hard disk comprises the on-site state, the fault state and the read-write state information of the hard disk.
As an improved scheme, a plurality of connection sockets are correspondingly arranged on an SGPIO signal line between the first complex programmable logic device and the second complex programmable logic device.
Another object of the present invention is to provide an expansion method of an expansion system based on server hard disk SGPIO signals, the method comprising the following steps:
the expander chip transmits the received SGPIO signal to a second complex programmable logic device;
the second complex programmable logic device analyzes and segments the received SGPIO signal and recombines the signal to generate n groups of SGPIO signals, wherein each group of SGPIO signals comprises lighting information of four hard disks;
the second complex programmable logic device transmits the generated n groups of SGPIO signals to the corresponding first complex programmable logic device;
the first complex programmable logic device transmits n groups of SGPIO signals to corresponding hard disk backplanes, each group of SGPIO signals comprises lightening information of four hard disks, and each group of SGPIO signals corresponds to one hard disk backplane.
As an improved scheme, the step of analyzing and dividing the received SGPIO signal by the second complex programmable logic device and recombining n groups of SGPIO signals includes the following steps:
an SGPIO signal receiving module receives a path of SGPIO signals which are sent by the expander chip and contain 4n hard disk lighting information, wherein the SGPIO signals are 12n bits, and each 3 bits form a group;
the cutting module cuts 12n bit data of the SGPIO signal;
the recombination module controls every 12 bits to be a unit to be recombined into a group of SGPIO signals, wherein each group of SGPIO signals comprises lighting information of 4 hard disks;
and the SGPIO signal sending module is used for transmitting the n groups of synthesized SGPIO signals to the first complex programmable logic device.
As an improved scheme, the electric lamp information of each hard disk comprises the on-site state, the fault state and the read-write state information of the hard disk.
As an improved scheme, a plurality of connection sockets are correspondingly arranged on an SGPIO signal line between the first complex programmable logic device and the second complex programmable logic device.
In the embodiment of the invention, the expansion system of the server hard disk SGPIO signal comprises an expander board card and a first complex programmable logic device, wherein the expander board card is provided with an expander chip, the expander board card is also provided with a second complex programmable logic device connected with the expander chip, and the second complex programmable logic device is connected with the first complex programmable logic device through a plurality of SGPIO signal lines: the second complex programmable logic device is used for analyzing one path of SGPIO signals transmitted to the expander chip, and recombining the SGPIO signals to generate n groups of SGPIO signals, each group of SGPIO signals comprises the lighting information of four hard disks, and each group of SGPIO signals corresponds to one hard disk backboard, so that the SGPIO signals of the original expander chip are expanded, the LED lamps meeting the requirements of various backboards are lighted, and the product quality is improved.
Drawings
FIG. 1 is a block diagram of an extended system of SGPIO signals of a server hard disk provided by the invention;
FIG. 2 is a block diagram of a second complex programmable logic device according to the present invention;
FIG. 3 is a flowchart of an implementation of an expanding method of a server hard disk SGPIO signal provided by the present invention;
fig. 4 is a flowchart illustrating an implementation of the second complex programmable logic device provided by the present invention analyzing and dividing a received SGPIO signal and recombining n SGPIO signals;
the device comprises a 1-expander board card, a 2-first complex programmable logic device, a 3-expander chip, a 4-second complex programmable logic device, a 5-SGPIO signal receiving module, a 6-cutting module, a 7-recombination module, an 8-SGPIO signal sending module and a 9-connection socket.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 shows a block diagram of an extended system of a server hard disk SGPIO signal provided by the present invention, and for convenience of description, only the parts related to the embodiment of the present invention are shown in the figure.
The expansion system of server hard disk SGPIO signal includes expander integrated circuit board 1 and with the first complicated programmable logic device 2 that expander integrated circuit board 1 is connected, be equipped with expander chip 3 on the expander integrated circuit board 1, still be equipped with on the expander integrated circuit board 1 with the second complicated programmable logic device 4 that expander chip 3 is connected, second complicated programmable logic device 4 through a plurality of way SGPIO signal line with first complicated programmable logic device 2 is connected:
the second complex programmable logic device 4 is configured to analyze a path of SGPIO signals transmitted to the expander chip 3, and recombine the path of SGPIO signals to generate n groups of SGPIO signals, where each group of SGPIO signals includes lighting information of four hard disks, and each group of SGPIO signals corresponds to one hard disk backplane.
As shown in fig. 2, the second complex programmable logic device 4 includes:
an SGPIO signal receiving module 5, configured to receive a path of SGPIO signals that include lighting information of 4n hard disks and are sent by the expander chip 3, where the SGPIO signals are 12n bits, and each 3 bits form a group;
the cutting module 6 is used for cutting 12n bit data of the SGPIO signal;
the recombination module 7 is used for controlling to recombine each 12 bits into a group of SGPIO signals, wherein each group of SGPIO signals comprises lighting information of 4 hard disks;
and an SGPIO signal sending module 8, configured to deliver the n groups of synthesized SGPIO signals to the first complex programmable logic device 2.
In this embodiment, a plurality of connection sockets (CONN)9 are correspondingly disposed on the SGPIO signal line between the first complex programmable logic device 2 and the second complex programmable logic device 4.
In the embodiment of the invention, the second complex programmable logic device is integrated on the Expander board card 1, and the second complex programmable logic device 4 is set as a controller of the SGPIO signals on the Expander board card 1, and is mainly used for expanding one path of SGPIO signals into n groups of SGPIO signals, wherein each group corresponds to a hard disk backplane, so that the downlink backplane of the Expander board card 1 can perform normal analysis and lighting on each group of SGPIO signals.
In the embodiment of the present invention, the first Complex Programmable Logic Device 2 and the second Complex Programmable Logic Device 4 are both common Components (CPLDs), and are digital integrated circuits in which users construct Logic functions according to their respective needs.
Fig. 3 shows an implementation flowchart of the method for expanding the server hard disk SGPIO signal provided by the present invention, which specifically includes the following steps:
in step S101, the expander chip 3 transmits the received SGPIO signal to the second complex programmable logic device 4.
In step S102, the second complex programmable logic device 4 analyzes and segments the received SGPIO signal, and recombines the SGPIO signals to generate n groups of SGPIO signals, where each group of SGPIO signals includes lighting information of four hard disks.
In step S103, the second complex programmable logic device 4 transmits the generated n groups of SGPIO signals to the corresponding first complex programmable logic device 2.
In step S104, the first complex programmable logic device 2 transmits n groups of SGPIO signals to corresponding hard disk backplanes, where each group of SGPIO signals includes lighting information of four hard disks, and each group of SGPIO signals corresponds to one hard disk backplane.
As shown in fig. 4, the step of analyzing and dividing the received SGPIO signal by the second complex programmable logic device 4 and recombining n SGPIO signals includes the following steps:
in step S201, an SGPIO signal receiving module receives a path of SGPIO signal containing 4n hard disk lighting information sent by the expander chip 3, where the SGPIO signal is 12n bits, and each 3 bits form a group;
in step S202, a cutting module cuts 12n bit data of the SGPIO signal;
in step S203, the reassembly module controls to resynthesize each 12 bits as a unit into a group of SGPIO signals, where each group of SGPIO signals includes lighting information of 4 hard disks;
in step S204, the SGPIO signal sending module transmits the n groups of synthesized SGPIO signals to the first complex programmable logic device 2.
In the embodiment of the invention, the expansion system of the server hard disk SGPIO signal comprises an expander board card 1 and a first complex programmable logic device 2, wherein an expander chip 3 is arranged on the expander board card 1, a second complex programmable logic device 4 connected with the expander chip 3 is also arranged on the expander board card 1, and the second complex programmable logic device 4 is connected with the first complex programmable logic device 2 through a plurality of SGPIO signal lines: the second complex programmable logic device 4 is used for analyzing a path of SGPIO signals transmitted to the expander chip 3, and recombining the SGPIO signals to generate n groups of SGPIO signals, each group of SGPIO signals contains the lighting information of four hard disks, and each group of SGPIO signals corresponds to one hard disk backboard, so that the SGPIO signals of the original expander chip 3 are expanded, the LED lamps meeting the requirements of various backboards are lighted, and the product quality is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (6)

1. The utility model provides an expansion system of server hard disk SGPIO signal, include the expander integrated circuit board and with the first complicated programmable logic device that the expander integrated circuit board is connected, be equipped with the expander chip on the expander integrated circuit board, a serial communication port, still be equipped with on the expander integrated circuit board with the second complicated programmable logic device that the expander chip is connected, second complicated programmable logic device through a plurality of ways SGPIO signal line with first complicated programmable logic device is connected:
the second complex programmable logic device is used for analyzing one path of SGPIO signals transmitted to the expander chip and recombining the signals to generate n groups of SGPIO signals, each group of SGPIO signals comprises lighting information of four hard disks, and each group of SGPIO signals corresponds to one hard disk backboard;
the second complex programmable logic device comprises:
the SGPIO signal receiving module is used for receiving a path of SGPIO signals which are sent by the expander chip and contain 4n hard disk lighting information, the SGPIO signals are 12n bits, and each 3 bits form a group;
the cutting module is used for cutting 12n bit data of the SGPIO signal;
the recombination module is used for controlling to recombine every 12 bits into a group of SGPIO signals, wherein each group of SGPIO signals comprises lighting information of 4 hard disks;
the SGPIO signal sending module is used for transmitting the n groups of synthesized SGPIO signals to the first complex programmable logic device;
the second complex programmable logic device is integrated on the Expander board card, and is set as a controller of SGPIO signals on the Expander board card, and is used for expanding one path of SGPIO signals into n groups of SGPIO signals, each group corresponds to one hard disk backboard, and therefore the downlink backboard of the Expander board card can perform normal analysis and lighting on each group of SGPIO signals.
2. The SGPIO signal expansion system for the hard disk of the server as claimed in claim 1, wherein the lighting information of each hard disk comprises an on-site status, a failure status and read-write status information of the hard disk.
3. The server hard disk SGPIO signal expansion system according to claim 2, wherein a plurality of connection sockets are correspondingly arranged on an SGPIO signal line between the first complex programmable logic device and the second complex programmable logic device.
4. An expansion method of the server hard disk SGPIO signal expansion system according to claim 1, wherein the method comprises the following steps:
the expander chip transmits the received SGPIO signal to a second complex programmable logic device;
the second complex programmable logic device analyzes and segments the received SGPIO signal and recombines the signal to generate n groups of SGPIO signals, wherein each group of SGPIO signals comprises lighting information of four hard disks;
the second complex programmable logic device transmits the generated n groups of SGPIO signals to the corresponding first complex programmable logic device;
the first complex programmable logic device transmits n groups of SGPIO signals to corresponding hard disk backplanes, each group of SGPIO signals comprises lighting information of four hard disks, and each group of SGPIO signals corresponds to one hard disk backplane;
the step of analyzing and dividing the received single-path SGPIO signal by the second complex programmable logic device and recombining and generating n groups of SGPIO signals specifically comprises the following steps:
an SGPIO signal receiving module receives a path of SGPIO signals which are sent by the expander chip and contain 4n hard disk lighting information, wherein the SGPIO signals are 12n bits, and each 3 bits form a group;
the cutting module cuts 12n bit data of the SGPIO signal;
the recombination module controls every 12 bits to be a unit to be recombined into a group of SGPIO signals, wherein each group of SGPIO signals comprises lighting information of 4 hard disks;
the SGPIO signal sending module transmits the n groups of synthesized SGPIO signals to the first complex programmable logic device;
the second complex programmable logic device is integrated on the Expander board card, and is set as a controller of SGPIO signals on the Expander board card, and is used for expanding one path of SGPIO signals into n groups of SGPIO signals, each group corresponds to one hard disk backboard, and therefore the downlink backboard of the Expander board card can perform normal analysis and lighting on each group of SGPIO signals.
5. The SGPIO signal expansion method for the server hard disk as claimed in claim 4, wherein the lighting information of each hard disk comprises an on-site state, a failure state and read-write state information of the hard disk.
6. The method according to claim 5, wherein a plurality of connection sockets are correspondingly disposed on an SGPIO signal line between the first complex programmable logic device and the second complex programmable logic device.
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PCT/CN2018/112058 WO2019223235A1 (en) 2018-05-23 2018-10-26 Expansion system and extension method for sgpio signal of server hard disk

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CN109815175A (en) * 2019-01-08 2019-05-28 郑州云海信息技术有限公司 A kind of general NVME hard disk lighting control device and method
CN109933491A (en) * 2019-03-15 2019-06-25 西安易朴通讯技术有限公司 A kind of hard disk backboard signal source arrangement for detecting, method, system and server
CN109976817B (en) * 2019-03-27 2022-02-18 郑州云海信息技术有限公司 Hard disk backboard, hard disk control method and server
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