CN208538119U

CN208538119U - The standard PCIe card of nine external hard disc cabinets is connected based on cabinet inside

Info

Publication number: CN208538119U
Application number: CN201821130561.3U
Authority: CN
Inventors: 曾庆超
Original assignee: Shenzhen Tong Yi Yi Information Technology Co Ltd
Current assignee: Shenzhen Tong Yi Yi Information Technology Co Ltd
Priority date: 2018-07-17
Filing date: 2018-07-17
Publication date: 2019-02-22
Anticipated expiration: 2028-07-17

Abstract

The utility model relates to a kind of standard PCIe cards that nine external hard disc cabinets are connected based on cabinet inside, comprising: PCIE X8 golden finger, PCIE turn SAS chip, extended chip, first group of SFF-8644 connector, second group of SFF-8644 connector；PCIE turns SAS chip and is connect by PCIE X8 golden finger with extraneous mainboard PCIE controller, and PCIE turns SAS chip and also connect with extended chip, first group of SFF-8644 connector, and extended chip is connect with second group of SFF-8644 connector；First group of SFF-8644 connector includes two SFF-8644 connectors, and second group of SFF-8644 connector includes seven SFF-8644 connectors；Each SFF-8644 connector connects a hard disk enclosure.The utility model saves PCIE resource and the space of system, enhances the scalability of system.

Description

Standard PCIE card based on nine external hard disk cabinets connected with inside of case

Technical Field

The utility model relates to a server technical field especially relates to a standard PCIE card based on nine outside hard disk cabinets of quick-witted incasement connection.

Background

The existing SAS cards of LSI and PMC in the market can expand 4 hard disk enclosures (JBOD) at most, and when expanding more than 4 hard disk enclosures, additional SAS cards and additional PCIE slots need to be added.

In high-density storage demand applications, the demand of the system on the number and capacity of hard disks is very high, and when the number of hard disk enclosures (JBOD) is more than 4, the commonly used expansion scheme is as follows:

1. an extra SAS card is added, so that more PCIE slots, bandwidth and chassis space are needed, the cost is increased, the expansion performance of the system is limited, the power consumption is increased, and the market competitiveness of the product is reduced;

2. the method has the advantages that a multi-level hard disk cabinet (JBOD) is built, the performance of the hard disks in the cabinet is extremely low, the connection is unstable, and the problems that the hard disk cabinet cannot be connected or the hard disks cannot be identified and the like easily occur.

Therefore, a solution for saving system resources and space and enhancing system scalability is needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides one kind and can save system resource and space, reinforcing system scalability's standard PCIE card based on nine outside hard disk cabinets of quick-witted incasement connection.

In order to achieve the above object, the utility model provides a standard PCIE card based on nine outside hard disk cabinets of quick-witted incasement connection, a serial communication port, include: PCIE X8 golden finger, PCIE changes SAS chip, expansion chip, first set SFF-8644 connector, and second set SFF-8644 connector.

The PCIE-to-SAS chip is connected with a PCIE controller of an external mainboard through the PCIE X8 golden finger, the PCIE-to-SAS chip is further connected with the expansion chip and the first group of SFF-8644 connectors respectively, and the expansion chip is connected with the second group of SFF-8644 connectors.

The first set of SFF-8644 connectors comprises two SFF-8644 connectors and the second set of SFF-8644 connectors comprises seven SFF-8644 connectors; each SFF-8644 connector is connected with one hard disk cabinet.

The utility model discloses a further technical scheme is, PCIE changes SAS chip and changes SAS chip for PM8069 PCIE.

The technical scheme of the utility model is that, the expansion chip adopts PM8044SAS expansion chip.

The further technical solution of the utility model is that the PM8069PCIE changes SAS chip is connected with the PCIE controller of the external mainboard through the PCIE [7:0] signal of the PCIE X8 golden finger.

The further technical proposal of the utility model is that each SFF-8644 connector is respectively connected with a hard disk cabinet through a cable.

The utility model has the advantages that: the utility model discloses standard PCIE card based on nine outside hard disk cabinets of quick-witted case internal connection passes through above-mentioned technical scheme, changes PCIE to SAS chip and expansion chip and combines together, realizes 36 SAS passageways output on monolithic PCIE standard expansion card, and 9 hard disk cabinets of joinable at most have saved the PCIE resource and the space of system, the scalability of reinforcing system for prior art.

Drawings

Fig. 1 is a block diagram of a preferred embodiment of a standard PCIE card based on 36 hard disk interfaces extended inside a chassis;

fig. 2 is a schematic structural diagram of a PCIE X8 gold finger in this embodiment;

fig. 3 is a schematic structural diagram of a PM8069PCIE to SAS chip adopted in the present embodiment;

FIG. 4 is a schematic structural view of an SFF-8644 connector used in the present embodiment;

fig. 5 is a schematic diagram of a connection between a PM8069 PCIE-to-SAS chip and a PCIE controller of a motherboard in this embodiment;

FIG. 6 is a schematic diagram of a PM8069 PCIE-to-SAS chip in this embodiment connected to a just a Bunch of disks (JBOD) via an SFF-8644 connector;

fig. 7 is a schematic connection diagram of the PM8069PCIE to SAS chip and the PM8044SAS expansion chip in this embodiment;

fig. 8 is a schematic diagram of the PM8044SAS expansion chip connected to a hard disk enclosure (JBOD) via an SFF-8644 connector in this embodiment.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The utility model provides a standard PCIE card based on nine outside hard disk cabinets of quick-witted case internal connection is applied to high density storage server or the inside outside hard disk cabinet that needs to be connected of personal computer machine case, and can expand to connect 9 hard disk cabinets (JBOD) at most to based on the application of difference requires to the hard disk performance, provide the SFF-8644 interface of the outside hard disk cabinet of connection of two sets of different performances: the first group has 2 high-performance SFF-8644 interfaces, can be connected with 2 hard disk cabinets (JBOD), can be used for frequent data reading and writing applications, and can use the high-performance interfaces when the response speed of the hard disks is required to be high; the second group has 7 low-performance SFF-8644 interfaces which can be connected with 7 hard disk cabinets (JBOD), can be used for data backup and other applications which do not need to be read and written frequently, has lower requirement on the response speed of the hard disk, and can use the low-performance interfaces.

Referring to fig. 1, fig. 1 is a block diagram of a preferred embodiment of a standard PCIE card based on nine external hard disk cabinets connected inside a chassis.

As shown in fig. 1, the standard PCIE card connected to nine external hard disk enclosures based on the inside of a chassis provided in this embodiment includes: : PCIE X8 golden finger 10, PCIE-to-SAS chip 20, expansion chip 30, first set of SFF-8644 connectors 40, and second set of SFF-8644 connectors 50.

The PCIE-to-SAS chip 20 is connected to a PCIE controller of an external motherboard through the PCIE X8 gold finger 10, the PCIE-to-SAS chip 20 is further connected to the expansion chip 30 and the first group of SFF-8644 connectors 40, respectively, and the expansion chip 30 is connected to the second group of SFF-8644 connectors 50.

The first set of SFF-8644 connectors 40 comprises two SFF-8644 connectors and the second set of SFF-8644 connectors 50 comprises seven SFF-8644 connectors; each SFF-8644 connector is connected with one hard disk cabinet.

Further, the PCIE-to-SAS chip 20 is a PM8069 PCIE-to-SAS chip 20.

Further, the expansion chip 30 adopts a PM8044SAS expansion chip 30.

Further, the PM8069PCIE to SAS chip 20 is connected to a PCIE controller of an external motherboard through PCIE [7:0] signals of the PCIE X8 golden finger 10.

Further, each SFF-8644 connector is connected with one hard disk cabinet through a cable.

The following describes in detail a standard PCIE card based on 36 hard disk interfaces expanded inside the chassis according to this embodiment with reference to fig. 2 to fig. 8.

First, the embodiment of the present invention relates to a description of key devices:

1. PCIE X8 gold finger: fig. 2 is a schematic structural diagram of a PCIE X8 gold finger in this embodiment, which is defined by a standard PCIE X8 interface PIN;

2. PM8069PCIE changes SAS chip: fig. 3 is a schematic structural diagram of a PM8069 PCIE-to-SAS chip adopted in this embodiment, which converts 8 PCIE3.0 lanes into 16 SAS lanes.

3. PM8044SAS expansion chip: there are 36 SAS lanes, 8 of which are inputs and the remaining 28 are outputs.

4. SFF-8644 connector: the SAS1-SAS9 comprises 9 SFF-8644 standard connectors, and each SFF-8644 connector is connected with 4SAS channels and used for SAS equipment connection inside the chassis. Fig. 4 is a schematic structural view of the SFF-8644 connector employed in the present embodiment.

II, description of the working principle:

1. as shown in fig. 5, the PCIE x8 gold finger of the card is inserted into the PCIE x8 slot or PCIE x16 slot of the server or the personal PC, and the PM8069PCIE to SAS chip is connected to the PCIE controller of the motherboard by PCIE [7:0] signals of the PCIE gold finger.

2. As shown in fig. 6, the PM8069 PCIE-to-SAS chip outputs 16 SAS channels by PCIE conversion, wherein 8 SAS channels, which are SAS [3:0] and SAS [7:4], are respectively connected to 2 SFF-8644 connectors, and each SFF-8644 connector can be connected to one hard disk enclosure (JBOD) through an SFF-8644 cable.

3. As shown in FIG. 7, 8 SAS channels of the PM8069 PCIE-to-SAS chip, SAS [11:8] and SAS [15:12], are in butt joint with 8 SAS channels of the PM8044SAS expansion chip, SAS [35:32] and SAS [31:28 ].

4. As shown in fig. 8, 8 SAS channels are converted internally by the PM8044SAS expander chip to output 28 SAS channels: SAS [3:0], SAS [7:4], SAS [11:8], SAS [15:12], SAS [19:16], SAS [23:20] and SAS [27:24], each 4SAS channels form a group and are respectively connected to 7 SFF-8644 connectors, and each SFF-8644 connector can be connected with one hard disk cabinet through an SFF-8644 cable.

The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a standard PCIE card based on nine outside hard disk cabinets of quick-witted case internal connection which characterized in that includes: the device comprises a PCIEX8 golden finger, a PCIEX-to-SAS chip, an expansion chip, a first group of SFF-8644 connectors and a second group of SFF-8644 connectors; wherein,

the PCIE-to-SAS chip is connected with a PCIE controller of an external mainboard through the PCIE X8 golden finger, the PCIE-to-SAS chip is also connected with the expansion chip and the first group of SFF-8644 connectors respectively, and the expansion chip is connected with the second group of SFF-8644 connectors;

2. The standard PCIE card based on nine external hard disk cabinets connected with the inside of a chassis according to claim 1, wherein the PCIE-to-SAS chip is a PM8069 PCIE-to-SAS chip.

3. The standard PCIE card based on nine external hard disk cabinets connected with the inside of a chassis of claim 1, wherein the expansion chip is a PM8044SAS expansion chip.

4. The standard PCIE card based on nine external hard disk cabinets connected with the inside of a chassis according to claim 2, wherein the PM8069 PCIE-to-SAS chip is connected with the PCIE controller of an external mainboard through PCIE [7:0] signals of the PCIE X8 golden finger.

5. The standard PCIE card based on nine external hard disk cabinets connected inside a chassis according to claim 1, wherein each SFF-8644 connector is connected with one hard disk cabinet through a cable.