TW201926067A - Blade server - Google Patents

Abstract

A blade server has a casing, a plurality of blade server module main board, a first chassis management controller (CMC) and a second CMC. The casing has a plurality of main board slot in a first side thereof and at least a first CMC slot and a second CMC slot in a second side opposite to the first side thereof. The plurality of main board slot are all electrically connected to the first CMC slot and the second CMC slot, and the first CMC slot electrically connected to the second CMC slot. The plurality of blade server module main board is plugged into the plurality of main board slot. The first CMC and the second CMC are mutually redundant, wherein when one of the CMCs is malfunction, the plurality of blade server module main board is controlled by the other CMC which is in operation normally.

Description

Blade server

The present invention relates to a blade servo, and more particularly to a 4U knife seal server.

Traditional servers generally have complete components such as a chassis, power supply, motherboard, and storage. However, in general, there is only one chassis manager in a single chassis. Although there are a small number of servers with multiple chassis managers in one chassis to manage the management of multiple server boards in the chassis, the chassis managers cannot support each other. When one of the chassis managers is damaged, its The server board in charge is not available to the user.

The present invention provides a blade server that provides a plurality of chassis managers with mutual support capabilities.

A blade server according to an embodiment of the invention has a housing, a plurality of blade servo module motherboards, a first chassis management controller and a second chassis manager. The first side of the housing has a plurality of motherboard slots, and the second side of the housing relative to the first side has at least a first manager slot and a second manager slot, and the plurality of motherboard slots are respectively The first manager slot and the second manager slot are electrically connected to each other. The plurality of blade servo module motherboards are inserted into the plurality of motherboard slots. The first chassis manager is inserted into the first manager slot to electrically connect the plurality of blade servo motherboards. The second chassis manager is inserted into the second manager slot to electrically connect the first chassis manager and the plurality of blade servo module motherboards. The second chassis manager detects the first chassis manager and generates a detection signal according to whether the first chassis manager is operating normally. When the first chassis manager is in normal operation, the plurality of blade servo module boards are controlled by the first chassis manager according to the detection signal, and when the first chassis manager is not working normally, the plurality of blade servo modules are used. The group motherboard is controlled by the second chassis manager according to the detection signal.

In summary, according to the blade server of the present invention, the second chassis manager detects whether the first chassis manager is operating normally, so that the plurality of blade servo module boards are controlled by the first chassis according to the detection result. Or the second chassis manager.

The above description of the disclosure and the following description of the embodiments of the present invention are intended to illustrate and explain the spirit and principles of the invention, and to provide further explanation of the scope of the invention.

The detailed features and advantages of the present invention are set forth in the Detailed Description of the Detailed Description of the <RTIgt; </ RTI> <RTIgt; </ RTI> </ RTI> </ RTI> <RTIgt; The objects and advantages associated with the present invention can be readily understood by those skilled in the art. The following examples are intended to describe the present invention in further detail, but are not intended to limit the scope of the invention.

1A to FIG. 1C, FIG. 1A is a top view of a blade server according to an embodiment of the present invention, FIG. 1B is a front view of the blade server corresponding to FIG. 1A, and FIG. 1C is a rear view of the blade server corresponding to FIG. 1A. As shown in FIG. 1A to FIG. 1C, a blade server 1000 according to an embodiment of the present invention has a housing 1100, a plurality of blade servo module motherboards 1201 to 1210, and a first chassis manager (chassis management controller). 1310 and a second chassis manager 1320. For the purposes of Figures 1A to 1C, please refer to the auxiliary coordinate system X-Y-Z. The negative X-axis direction is defined as the left side, the positive X-axis direction is the right side, the negative Y-axis direction is the first side, the positive Y-axis direction is the second side, the negative Z-axis direction is the lower side, and the positive Z-axis direction is the upper side.

The first side of the housing 1100 has a plurality of main board slots 1101 to 1110, and at least a first manager slot 1111 and a second manager slot 1113 on the second side of the housing 1100 with respect to the first side, the foregoing The plurality of motherboard slots 1101 to 1110 are electrically connected to the first manager slot 1111 and the second manager slot 1113, respectively. In addition, the first manager slot 1111 and the second manager slot 1113 are electrically connected to each other.

In one embodiment, the electrical connection between each of the motherboard slots 1101 to 1110 and the first manager slot 1111 and the second manager slot 1113 is achieved by a mid-plane 1115. When the blade server 1000 is assembled, the interposer 1115 is inserted into the housing 1100 from above, and the interposer 1115 is electrically connected to the motherboard slots 1101 to 1110, the first manager slot 1111, and the second manager. Slot 1113. Thus, the motherboard slots 1101~1110 are electrically connected to the first manager slot 1111 and the second manager slot 1113 through the interposer 1115.

The plurality of blade servo module main boards 1201 to 1210 are inserted into the plurality of motherboard slots 1101 to 1110.

The first chassis manager 1310 is inserted into the first manager slot 1111 to electrically connect the plurality of blade servo motherboards 1201 to 1210. The second chassis manager 1320 is inserted into the second manager slot 1113 to electrically connect the first chassis manager 1310 with the plurality of blade servo module motherboards 1201-1212.

Please refer to FIG. 2, which is a functional block diagram of a blade server according to an embodiment of the invention. As shown in FIG. 2, the first chassis manager 1310 and the second chassis manager 1320 of the blade server 1000 are electrically connected to the blade servo module motherboards 1201 to 1210 through the interposer 1115. In the embodiment of FIG. 2, the second chassis manager 1320 is redundant to the first chassis manager 1310. Specifically, the second chassis manager 1320 detects the operating state of the first chassis manager 1310, and according to the Whether a chassis manager 1310 is operating normally generates a corresponding detection signal Vdet.

The following explains how the second chassis manager 1320 detects the operational status of the first chassis manager 1310. In one embodiment, the second chassis manager 1320 periodically or randomly transmits a request signal req to the first chassis manager 1310, such as requesting specific data. When the second chassis manager 1320 does not receive the response packet resp of the first chassis manager 1310 for a period of time after the request signal is issued (for example, the clock signal has passed 10 cycles), the second chassis manager 1320 determines the first A chassis manager 1310 is not functioning properly. If the second chassis manager 1320 immediately receives the response packet resp of the first chassis manager 1310, the second chassis manager 1320 determines that the first chassis manager 1310 is operating normally. In another embodiment, the second chassis manager 1320 further verifies whether the content of the response packet resp of the first chassis manager 1310 is correct to determine whether the first chassis manager 1310 is operating normally. In addition, the general knowledge in the art can design the second chassis manager 1320 to detect whether the first chassis manager 1310 is operating normally according to actual needs, and the present invention is not limited.

In an embodiment, when the first chassis manager 1310 is operating normally, the detection signal Vdet generated by the second chassis manager 1320 has a high level, for example, and is detected when the first chassis manager 1310 is not operating normally. The signal Vdet has, for example, a low level. When the detection signal Vdet has a high level, the plurality of blade servo module main boards 1201~1210 are controlled by the first chassis manager 1310. When the detection signal Vdet has a low level, the plurality of blade servo module main boards 1201~1210 are controlled by the second chassis manager 1320.

In another embodiment, the blade servo module motherboards 1201 - 1205 are preset to be controlled by the first chassis manager 1310 , for example, and the blade servo module motherboards 1206 - 1210 are preset to be controlled by the second chassis manager 1320 , for example. And the first chassis manager 1310 also detects whether the operation of the second chassis manager 1320 is normal. Specifically, in the foregoing embodiment, the second chassis manager 1320 sends the request signal req to the first chassis manager 1310, and waits for the response packet resp returned by the first chassis manager 1310. In this embodiment, the response packet resp returned by the first chassis manager 1310 is, for example, a request signal of the first chassis manager 1310 for the second chassis manager 1320, and the request sent by the second chassis manager 1320. The signal req may be recognized by the first chassis manager 1310 as a response packet sent by the second chassis manager 1320 to the first chassis manager 1310. When the second chassis manager 1320 detects that the first chassis manager 1310 is not functioning properly, the second chassis manager 1320 controls the blade servo module motherboards 1201 12020 to be controlled by the second chassis manager 1320. On the other hand, when the first chassis manager 1310 detects that the second chassis manager 1320 is not working properly, the first chassis manager 1310 controls the blade servo module main boards 1206~1210 to be controlled by the first chassis manager 1310. .

In an embodiment, returning to FIG. 1A to FIG. 1C, the second side of the housing 1100 further has a first switch slot and a second switch slot electrically connected to the motherboard slots 1101 to 1110, and A first switch 1410 is inserted into a switch slot, and the first switch 1410 is electrically connected to the blade servo module inserted in the motherboard slot 1101~1110 through the first switch slot and the interposer 1115. Motherboard 1201~1210. A second switch 1420 is inserted into the second switch slot, and the second switch 1420 is electrically connected to the blade servo module inserted in the motherboard slots 1101 to 1110 through the second switch slot and the interposer 1115. Group motherboards 1201~1210. Referring to FIG. 2 together, as shown in FIG. 2, the first switch 1410 and the second switch 1420 are electrically connected to the blade servo module main boards 1201 to 1210 through the interposer 1115. Specifically, the first switch 1410 and the second switch 1420 are used, for example, to enable each blade servo module motherboard 1201~1210 to have network communication or other communication capabilities. Moreover, when one of the first switch 1410 and the second switch 1420 fails, the blade servo module main boards 1201 1212 transmit signals through the other of the first switch 1410 and the second switch 1420, thereby avoiding one When the switch fails, the blade servo module board loses its communication capability.

In another embodiment, please refer to FIG. 3, which is a functional block diagram of a blade server according to another embodiment of the present invention. As shown in FIG. 3, the blade server 1000' in this embodiment further has a third exchanger 1430 and a fourth exchanger 1440, as compared to the embodiment of FIG. The third switch 1430 is electrically connected to the first chassis manager 1310 and the blade servo module main boards 1201~1210. The third switch 1430 is used for signal exchange between one of the blade servo module main boards 1201~1210 and the first chassis manager 1310. The fourth switch 1440 is electrically connected to the second chassis manager 1320 and the blade servo module main boards 1201 to 1210. The fourth switch 1440 is used for signal exchange between one of the blade servo module main boards 1201~1210 and the second chassis manager 1320.

Next, please refer to FIG. 4 , which is a functional block diagram of a blade servo module mainboard according to an embodiment of the invention. As shown in FIG. 4, the blade servo module main board 1201 has a baseboard management controller BMC, a first integrated circuit inter-integrated circuit IIC1 The second integrated circuit bus bar IIC2, wherein the first integrated circuit bus bar IIC1 is electrically connected to the substrate management controller BMC and the first chassis manager 1310, respectively, and the second integrated circuit bus bar IIC2 is electrically connected to the substrate management control respectively. The BMC and the second chassis manager 1320. In an embodiment, the substrate management controller BMC receives the detection signal Vdet through the second integrated circuit bus bar IIC2, and selects the convergence of the first integrated circuit bus bar IIC1 and the second integrated circuit according to the detection signal Vdet. One of the rows of IIC2 sends and receives signals. In another embodiment, the second chassis manager 1320 has an additional pin, which is electrically connected to the baseboard management controller BMC through the interposer 1115. The baseboard management controller BMC detects the pin according to the pin. The signal Vdet is used to transmit and receive signals in one of the first integrated circuit bus bar IIC1 and the second integrated circuit bus bar IIC2.

In addition, in an embodiment, the blade servo module main board 1201 further has a complex programmable logic device CPLD electrically connected to the substrate management controller BMC. The complex programmable logic device CPLD has a first serial general purpose input/output SGPIO1 and a second serial general-purpose input/output connection SGPIO2. The complex programmable logic device CPLD is electrically connected to the first chassis manager 1310 and the second chassis manager 1320 through the first serial general-purpose input/output port GP SGPIO1 and the second serial port general-purpose input/output port 埠 SGPIO2, respectively. The substrate management controller BMC generates a corresponding control signal Vc according to the detection signal Vdet to control the complex programmable logic device CPLD to communicate with the first chassis manager 1310 via the first serial general-purpose input/output connection port SGPIO1, or in the second series. The general purpose input/output port 埠SGPIO2 communicates with the second chassis manager 1320.

In one embodiment, the present invention further discloses a blade servo module motherboard structure. Referring to FIG. 5, it is a schematic structural diagram of a blade servo module according to an embodiment of the invention. As shown in FIG. 5, taking the blade servo module main board 1201 as an example, the blade servo module main board 1201 has a first substrate 1201A, a second substrate 1201B, and a bridge board 1201C. The first substrate 1201A is provided with a first switching bus BUS1, and the second substrate 1201B is inserted into the corresponding motherboard slot to be electrically connected to the first chassis manager 1310 and the second chassis manager 1320. The second substrate 1201B is provided with a second transfer bus bar BUS2. The bridge board 1201C has a set of first pins SKT1 and a set of second pins SKT2. The first pin SKT1 is inserted in the first transfer bus BUS1, and the second pin SKT2 is inserted in the second transfer bus. Row BUS2. The substrate controller BMC, the first integrated circuit bus bar IIC1 and the second integrated circuit bus bar IIC2 are all disposed on the first substrate 1201A, and the first integrated circuit bus bar IIC1 and the second integrated circuit bus bar IIC2 are The first chassis manager 1310 and the second chassis manager 1320 are electrically connected to the first chassis manager 1310 and the second substrate 1201B through the bridge board 1201C. Specifically, there are many different models of the general blade servo module motherboard, and the thickness of the substrate and the number of pins used in each model may be different. In this embodiment, the structure of the bridge board and the second substrate enables each blade servo module board to be plugged into the motherboard slot by using the second substrate of the uniform specification regardless of the specifications of the first substrate. .

In an embodiment, as shown in FIG. 6, the embodiment of FIG. 6 differs from the embodiment of FIG. 5 in that a gap G is formed between the first substrate 1201A and the second substrate 1201B, and the gap G serves as an accommodating area. To accommodate a specific electronic component. In one embodiment, the electronic component located in the gap G is, for example, a hard disk backplane.

In summary, according to the blade server of the present invention, the second chassis manager detects whether the first chassis manager is operating normally, so that the plurality of blade servo module boards are controlled by the first chassis according to the detection result. Or the second chassis manager. Therefore, the first chassis manager is faulty or needs to be repaired and replaced, and the blade servo module motherboard in the same knife-cutting server can be temporarily controlled by the second chassis manager in normal operation.

Although the present invention has been disclosed above in the foregoing embodiments, it is not intended to limit the invention. It is within the scope of the invention to be modified and modified without departing from the spirit and scope of the invention. Please refer to the attached patent application for the scope of protection defined by the present invention.

1000‧‧‧blade server

1100‧‧‧shell

1101~1110‧‧‧ motherboard slot

1111, 1113‧‧‧Manager slot

1115‧‧‧Intermediary board

1201~1210‧‧‧ Blade Servo Module Motherboard

1201A‧‧‧First substrate

1201B‧‧‧second substrate

1201C‧‧‧Bridge board

1310, 1320‧‧‧Chassis Manager

1410~1440‧‧‧Switch

CPLD‧‧‧ Complex Programmable Logic Device

BMC‧‧‧Baseboard Management Controller

BUS1, BUS2‧‧‧Transfer busbar

G‧‧‧ gap

IIC1, IIC2‧‧‧ integrated circuit bus

Req‧‧‧ request signal

Resp‧‧‧Response packet

SGPIO1, SGPIO2‧‧‧ Serialized I/O ports埠

SKT1, SKT2‧‧‧ pin

Vdet‧‧‧Detection signal

Vc‧‧‧ control signal

1A is a top plan view of a blade servo in accordance with an embodiment of the present invention. Figure 1B is a front elevational view of the blade server corresponding to Figure 1A. Figure 1C is a rear elevational view of the blade server corresponding to Figure 1A. 2 is a functional block diagram of a blade server in accordance with an embodiment of the present invention. 3 is a functional block diagram of a blade server in accordance with another embodiment of the present invention. 4 is a functional block diagram of a motherboard of a blade servo module according to an embodiment of the invention. FIG. 5 is a schematic structural view of a blade servo module according to an embodiment of the invention. 6 is a schematic structural view of a blade servo module according to another embodiment of the present invention.

Claims (9)

A blade server includes: a housing having a plurality of motherboard slots on a first side of the housing, and having at least one on a second side of the housing relative to the first side a first manager slot and a second manager slot, wherein the motherboard slots are electrically connected to the first manager slot and the second manager slot, respectively, the first manager slot The second manager slots are electrically connected to each other; a plurality of blade servo module motherboards are inserted in the motherboard slots; a first chassis management controller is inserted in the first manager slot Electrically connecting the blade servo module motherboards; and a second chassis manager, the second chassis slot is electrically connected to the first chassis manager and the blade servo module motherboards, The second chassis manager detects the first chassis manager and generates a detection signal according to whether the first chassis manager is in normal operation; wherein the first chassis manager is in normal operation, the blade servo modules The group motherboard is controlled by the detection signal according to the detection signal Chassis manager, when the first enclosure manager does not work properly, the plurality of blade servo system board module according to the second detection signal is controlled by the chassis manager. The blade server of claim 1, wherein the second side of the housing further has a first switch slot and a second switch slot electrically connected to the motherboard slots, and the blade server The method further includes: a first switch inserted in the first switch slot to electrically connect the blade servo module main boards; and a second switch inserted in the second switch slot to be electrically Connecting the blade servo module motherboards; wherein, when one of the first switch and the second switch fails, the blade servo module motherboards pass through the first switch and the second switch Another pass signal. The blade server of claim 1, further comprising: a third switch electrically connected to the first chassis manager and the blade servo module motherboards, and one of the blade servo module motherboards Handshake between the first chassis manager; and a fourth switch electrically connected to the second chassis manager and the blade servo module motherboards, and one of the blade servo module motherboards Signal exchange between the second chassis manager. The blade server of claim 1, wherein each of the blade servo module boards comprises: a baseboard management controller (BMC); a first integrated circuit bus (inter-integrated circuit, I ² C) And electrically connecting the baseboard management controller and the first chassis manager; and a second integrated circuit busbar electrically connected to the baseboard management controller and the second chassis manager respectively; wherein the baseboard management The controller selects to transmit and receive signals by one of the first integrated circuit bus bar and the second integrated circuit bus bar according to the detection signal. The blade server of claim 4, wherein each of the blade servo module motherboards further comprises: a complex programmable logic device (CPLD) electrically connected to the substrate management controller, the complex programmable logic The device comprises: a first serial general purpose input/output (SGPIO), electrically connected to the first chassis manager; and a second serial universal input input port (serial general purpose input /output, SGPIO), electrically connecting the second chassis manager; wherein the baseboard management controller controls the complex programmable logic device to use the first serial universal input/output port and the second according to the detection signal A serial-purpose general-purpose input/output connection, one of which transmits and receives signals. The blade server of claim 4, wherein each of the blade servo module boards further comprises: a first substrate, a first adapter bus; and a second substrate for inserting the corresponding motherboard The slot is electrically connected to the first chassis manager and the second chassis manager, the second substrate is provided with a second adapter bus; and a bridge board has a set of first pins and a second group a first pin is inserted in the first transfer bus, and the second pin is inserted in the second transfer bus; wherein the substrate controller and the first integrated circuit The bus bar and the second integrated circuit bus are disposed on the first substrate, and the first integrated circuit bus and the second integrated circuit bus are electrically connected to the second substrate through the bridge The first chassis manager is associated with the second chassis manager. The blade server of claim 6, wherein the gap between the first substrate and the second substrate forms an accommodating area for accommodating an electronic component. The blade server of claim 7, wherein the electronic component is a hard disk backplane. The blade server of claim 1, further comprising a mid-plane located in the housing and electrically connecting the motherboard slots, the first manager slot and the second manager slot, respectively. The motherboard slots are electrically connected to the first manager slot and the second manager slot through the interposer.