CN114423212A

CN114423212A - Server and cabinet

Info

Publication number: CN114423212A
Application number: CN202111636732.6A
Authority: CN
Inventors: 王安; 孔祥涛; 刘圣金
Original assignee: Suzhou Inspur Intelligent Technology Co Ltd
Current assignee: Suzhou Inspur Intelligent Technology Co Ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-04-29
Anticipated expiration: 2041-12-29
Also published as: CN114423212B

Abstract

The invention relates to the technical field of servers, in particular to a server and a cabinet. The server comprises a case, a sliding structure and a first mounting structure, wherein a mounting cavity and a mounting port communicated with the mounting cavity are formed in the case, and the mounting port is formed in the side part of the case; the first mounting structure is slidably mounted on the case through a sliding structure and is provided with a mounting position mounted in the mounting cavity through a mounting port and a maintenance position sliding out of the mounting cavity through the mounting port; the first mounting structure is adapted to mount a computing unit and a storage unit thereon. The server provided by the invention realizes online operation and maintenance of electronic components such as the computing unit and the storage unit, and reduces the operation and maintenance difficulty of the server.

Description

Server and cabinet

Technical Field

The invention relates to the technical field of servers, in particular to a server and a cabinet.

Background

With the rapid development of industries such as big data, artificial intelligence, live entertainment, small video and the like, the demand of servers is increasing day by day. The existing servers have increasingly higher density of computing units such as a graphic processor (GPU for short in english) and storage units such as a solid state disk (SSD for short in english), when electronic components such as the graphic processor and the solid state disk fail, the servers need to be powered off, the servers need to be put on and off the rack from the rack, then the top of the chassis of the servers needs to be detached, and the electronic components such as the graphic processor and the solid state disk inside the chassis need to be operated and maintained. In the operation and maintenance mode, the server needs to be powered off first, the service currently running by the server needs to be cancelled, and the operation and maintenance difficulty of the server is high due to large influence on the service.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the defect of high operation and maintenance difficulty caused by the fact that the server needs to be powered off firstly and then operated and maintained in the prior art, so that the server and the cabinet with low operation and maintenance difficulty are provided.

In order to solve the problems, the invention provides a server which comprises a case, a sliding structure and a first mounting structure, wherein a mounting cavity and a mounting port communicated with the mounting cavity are arranged in the case, and the mounting port is arranged at the side part of the case; the first mounting structure is slidably mounted on the case through a sliding structure and is provided with a mounting position mounted in the mounting cavity through a mounting port and a maintenance position sliding out of the mounting cavity through the mounting port; the first mounting structure is adapted to mount a computing unit and a storage unit thereon.

The server provided by the invention also comprises a second mounting structure, a wire arranging structure and a connecting cable; the second mounting structure is arranged in the mounting cavity and fixedly connected with the case, and the second mounting structure is suitable for mounting the processor unit and the heat dissipation unit; the wire arrangement structure is provided with a wire arrangement cavity and is arranged in the installation cavity; one end of the connecting cable is connected with the first mounting structure, and the other end of the connecting cable penetrates through the cable arranging cavity to be connected with the second mounting structure.

The server provided by the invention is characterized in that the connecting cable comprises a first line segment and a second line segment, the line arranging structure comprises a first line arranging pipe, a second line arranging pipe and a rotating part, and the first line arranging pipe is movably arranged in the mounting cavity; the second wire arranging pipe is movably arranged in the mounting cavity; the rotating part is movably arranged in the mounting cavity; one end of the first line segment is connected with the first mounting structure, and the other end of the first line segment penetrates through the first line management pipe and is rotatably connected with the rotating part; one end of the second line segment is connected with the second mounting structure, and the other end of the second line segment penetrates through the second line management pipe and is rotatably connected with the rotating part.

The server provided by the invention has the advantages that the wire arrangement structure further comprises a first fixing part and a second fixing part; the first fixing part is fixedly connected to the first mounting structure and is suitable for being rotatably connected with one end of the first line section; the second fixing portion is fixedly connected to the second mounting structure and is adapted to be rotatably connected with one end of the second line segment.

According to the server provided by the invention, the first mounting structures are provided with two groups, the two groups of first mounting structures are arranged in a stacked mode, and each layer of first mounting structure is provided with the computing unit and the storage unit.

In the server provided by the invention, the computing unit and the storage unit are arranged on the first mounting structure in a soaking and inserting manner, and the computing unit arranged on each layer of the first mounting structure comprises four groups of graphic processors; the storage unit arranged on each layer of the first mounting structure comprises eight groups of solid state disks.

According to the server provided by the invention, the first mounting structure is also suitable for mounting the input and output unit, and the input and output unit comprises a network card and three PCIE cards; the network card and the PCIE card are arranged on the first mounting structure of the first layer and are positioned on the side part of the storage unit; the other two PCIE cards are arranged on the first mounting structure of the other layer and are positioned at the side part of the storage unit.

The invention provides a server.A sliding structure comprises a sliding block and a sliding groove; the sliding blocks are arranged on two opposite side walls of the case; the spout sets up on two relative lateral walls of first mounting structure, spout and slider sliding fit.

The server provided by the invention also comprises a self-locking structure which is arranged on the case; the self-locking structure is adapted to lock the first mounting structure in the mounting position when the first mounting structure is first pressed when the first mounting structure is in the mounting position, and to eject the first mounting structure to the maintenance position when the first mounting structure is pressed again.

The invention also provides a cabinet, which comprises a cabinet body, a cabinet door and the server, wherein the cabinet door is hinged on the cabinet body; the server is arranged in the cabinet body, and the mounting opening faces the cabinet door.

The invention has the following advantages:

1. the server provided by the invention comprises a case, a sliding structure and a first mounting structure, wherein a mounting cavity and a mounting port communicated with the mounting cavity are arranged in the case, and the mounting port is arranged at the side part of the case; the first mounting structure is slidably mounted on the case through a sliding structure and is provided with a mounting position mounted in the mounting cavity through a mounting port and a maintenance position sliding out of the mounting cavity through the mounting port; the first mounting structure is adapted to mount a computing unit and a storage unit thereon.

The first mounting structure is slidably mounted on the case through the sliding structure, when electronic components such as a computing unit and a storage unit of the server need to be operated and maintained, the top of the case does not need to be detached, the power is not needed to be cut off, the first mounting structure only needs to be pulled out to a maintenance position through the mounting port, online operation and maintenance of the electronic components such as the computing unit and the storage unit are achieved, the operation and maintenance difficulty of the server is reduced, and the steps of mounting and dismounting are saved.

2. The cabinet provided by the invention comprises a cabinet body, a cabinet door and the server, wherein the cabinet door is hinged on the cabinet body, the server is arranged in the cabinet body, and the mounting opening faces the cabinet door. When carrying out fortune dimension to the server, need not to put down the frame with the server after the outage, only need open the cabinet door, directly take out the first mounting structure of server to maintaining the position through the installing port, just can realize the online fortune dimension of server, reduced the fortune dimension degree of difficulty of server, still save the step of installation and dismantlement.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 illustrates a partial top view of a server of the present invention;

FIG. 2 shows a front view of the server of the present invention;

FIG. 3 shows a schematic diagram of a wire management structure of the present invention;

FIG. 4 shows a schematic diagram of an adapter board of a graphics processor of the present invention;

FIG. 5 shows a schematic front view of a hard disk backplane of the storage unit of the present invention;

FIG. 6 shows a schematic backside view of a hard disk backplane of the storage unit of the present invention;

fig. 7 shows a schematic diagram of a PCIE adapter card of the present invention;

fig. 8 shows a schematic diagram of an input-output board of the present invention.

Description of reference numerals:

1. a chassis; 2. a first mounting structure; 21. a calculation unit; 211. a graphics processor; 22. a storage unit; 221. a solid state disk; 222. a hard disk backplane; 3. a second mounting structure; 31. a processor unit; 32. a heat dissipation unit; 33. a power supply unit; 4. a wire arrangement structure; 41. a first wire management pipe; 42. a second wire management pipe; 43. a rotating part; 44. a first fixed part; 45. a second fixed part; 5. connecting a cable; 6. an input/output unit; 61. a network card; 62. a PCIE card; 63. and an input/output board.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 8, the present embodiment provides a server, including a chassis 1, a sliding structure, and a first mounting structure 2, where an installation cavity and an installation port communicating with the installation cavity are disposed inside the chassis 1, and the installation port is disposed on a side portion of the chassis 1; the first mounting structure 2 is slidably mounted on the case 1 through a sliding structure and has a mounting position mounted in the mounting cavity through a mounting port and a maintenance position slid out of the mounting cavity through the mounting port; the first mounting structure 2 is adapted to mount a computing unit 21 and a storage unit 22 thereon.

The drawer-type first mounting structure 2 is slidably mounted on the case 1 through a sliding structure, when electronic components such as the computing unit 21 and the storage unit 22 of the server need to be operated and maintained, the top of the case 1 does not need to be detached, power failure does not need to be performed, the first mounting structure 2 only needs to be pulled out to a maintenance position through a mounting port, online operation and maintenance of the electronic components such as the computing unit 21 and the storage unit 22 are achieved, the operation and maintenance difficulty of the server is reduced, and the steps of mounting and dismounting are saved.

The server of the embodiment further includes a second mounting structure 3, a wire arrangement structure 4 and a connection cable 5, the second mounting structure 3 is installed in the mounting cavity and is fixedly connected with the chassis 1, and the second mounting structure 3 is suitable for installing a processor unit 31 and a heat dissipation unit 32; the wire arrangement structure 4 is provided with a wire arrangement cavity, and the wire arrangement structure 4 is arranged in the installation cavity; one end of the connecting cable 5 is connected with the first mounting structure 2, and the other end of the connecting cable passes through the cable arranging cavity and is connected with the second mounting structure 3.

Since the first mounting structure 2 slides with respect to the second mounting structure 3 and has a mounting position and a maintenance position, the connection cable 5 is generally long; the movement of the first mounting structure 2 may cause the longer connection cables 5 to be cluttered or entangled, and the wire arrangement structure 4 is used to arrange the connection cables 5 to prevent the connection cables 5 from being cluttered or entangled; and the wire arrangement structure 4 also protects the connecting cable 5, so that the connecting cable 5 is prevented from being damaged by friction between the connecting cable 5 and the case 1 when the connecting cable 5 moves along with the first mounting structure 2 or moves under the pushing of the first mounting structure 2.

In a particular embodiment, the heat dissipation unit 32 is disposed between the processor unit 31 and the computing unit 21 on the first mounting structure 2. The heat dissipation unit 32 comprises a plurality of groups of fans, and the plurality of groups of fans support N +1 redundancy, so that heat can be dissipated normally and the heat dissipation requirement of the server can be met when a single fan fails; preferably, the heat dissipating unit 32 includes 6 sets of fans. The processor unit 31 may include two CPUs, the chinese name of which is a central processing unit, and the processor unit 31 is configured to support maximum 32DDR5 DIMMs and 10 PCIE X16 according to the current Eagle stream platform of Intel. The server in this embodiment further includes a Power supply unit 33, the Power supply unit 33 is disposed on the second mounting structure 3, the Power supply unit 33 uses Power clips to perform centralized Power supply, and a 54V Power supply is connected to a 54V to 12V module of the motherboard through a cable and then converted into a Power supply required by the whole server system.

In the present embodiment, the connection cable 5 includes a first line segment and a second line segment, the wire arrangement structure 4 includes a first wire arrangement tube 41, a second wire arrangement tube 42 and a rotation part 43, and the first wire arrangement tube 41 is movably disposed in the installation cavity; the second wire management pipe 42 is movably arranged in the mounting cavity; the rotating part 43 is movably arranged in the mounting cavity; one end of the first line segment is connected with the first mounting structure 2, and the other end passes through the first line management pipe 41 and is rotatably connected with the rotating part 43; one end of the second line segment is connected to the second mounting structure 3, and the other end is rotatably connected to the rotating portion 43 through the second line management pipe 42.

Connecting cable 5 includes first line segment and second line segment, first line segment and second line segment are through rotating portion 43, first reason spool 41 and second reason spool 42 rotationally connect into V font structure, at the in-process that connecting cable 5 atress was tensile repeatedly and is retracted, both avoided whole root cable to receive the force repeatedly and buckled the connecting cable 5 damage that leads to, still guaranteed the rotational degree of freedom between first line segment and the second line segment, guaranteed taking out smoothly and push back of first mounting structure 2. First reason spool 41 and second reason spool 42 both protect connection cable 5, prevent that connection cable 5 from receiving the injury, still restrict the moving direction of connection cable 5, arrange the indiscriminate displacement of connection cable 5 and arrange through first reason spool 41, second reason spool 42 and rotation portion 43, prevent that connection cable 5 is indiscriminate or twine.

In a specific embodiment, when the first mounting structure 2 moves to the maintenance position, one end of the first line segment is forced to move to the outside of the mounting cavity, so as to drive the first line arranging pipe 41, the rotating part 43 and the second line arranging pipe 42 to move, an included angle between the first line arranging pipe 41 and the second line arranging pipe 42 is increased, and a distance between one end of the first line segment, which is far away from the rotating part 43, and one end of the second line segment, which is far away from the rotating part 43, is gradually increased; when first mounting structure 2 moved to the mounted position, the one end atress of first line segment moved to the mounting cavity is inside, drives first reason spool 41, rotation portion 43 and second reason spool 42 and moves, and the contained angle between first reason spool 41 and the second reason spool 42 reduces, and the distance between the one end that rotation portion 43 was kept away from to first line segment and the one end that rotation portion 43 was kept away from to second line segment reduces gradually.

Preferably, the first and second managing

pipes

41 and 42 are round pipes, and the friction between the round pipes and the chassis or the second mounting structure is small during the moving process. The periphery of the length direction of the round pipe is provided with a plurality of damping parts which are distributed at intervals, and the damping parts are sleeved on the periphery of the round pipe and are made of elastic materials.

In this embodiment, the wire arranging structure 4 further includes a first fixing portion 44 and a second fixing portion 45, the first fixing portion 44 is fixedly connected to the first mounting structure 2 and is adapted to be rotatably connected to one end of the first wire segment; the second fixing portion 45 is fixedly attached to the second mounting structure 3 and is adapted to be rotatably connected with one end of the second wire segment.

One end of the first line segment is rotatably connected with the first mounting structure 2 through the first fixing part 44, so that abrasion caused by repeated bending of the first line segment due to angle change when the first mounting structure 2 moves is prevented; one end of the second line segment is rotatably connected with the second mounting structure 3 through the second fixing part 45, so that abrasion caused by repeated bending of the second line segment due to angle change when the second mounting structure 3 moves is prevented.

In this embodiment, the first mounting structures 2 have two sets, the two sets of first mounting structures 2 are stacked, and each layer of first mounting structure 2 is provided with a computing unit 21 and a storage unit 22.

The drawer-type first mounting structure 2 can be arranged in two layers in the 2U case 1, so that the space in the case 1 is reasonably utilized, the number of the computing units 21 and the storage units 22 can be increased, the design density of products in the case 1 is improved, and the requirement of the current server on the setting density of the computing units 21 and the storage units 22 is met. The number of layers of the first mounting structure 2 may be increased as appropriate according to the height and volume of the cabinet 1. As an alternative embodiment, two rows of the first mounting structures 2 may be provided according to the length and volume of the cabinet 1.

In this embodiment, the computing unit 21 and the storage unit 22 are mounted on the first mounting structure 2 in a soaking manner, so that online operation and maintenance of the server can be realized; the computing units 21 mounted on each layer of the first mounting structure 2 each include four sets of graphics processors 211, and the graphics processors 211 may be double-wide GPU cards; the storage unit 22 mounted on each layer of the first mounting structure 2 includes eight sets of solid state disks 221, and the solid state disks 221 may be 2.5SSD or e3 edsff. Eight groups of graphic processors 211 and 16 groups of solid state disks 221 can be installed on the two layers of first installation structures 2, 8 groups of double-width GPU cards are supported in the limited space of the 2U case 1 to the maximum extent, and the design density of products is improved.

In a specific embodiment, each GPU card is transversely plugged into a patch panel of the graphics processor 211, and the patch panel of the graphics processor 211 is connected to the motherboard through a connection cable 5, as shown in fig. 4, which is a schematic diagram of the patch panel of the graphics processor 211. Each group of graphic processors 211 further comprises an operation key, a display lamp is arranged on the operation key and can display the state of the graphic processors 211, the main board and the processor unit 31 are informed of online maintenance of the current graphic processors 211 by pressing the key, and the graphic processors 211 can be directly pulled out for maintenance after the display lamp displays the maintainable state, so that the sensorless operation and maintenance of the graphic processors 211 are realized.

In a specific embodiment, the storage unit 22 is disposed on the front side of the enclosure 1, closer to the mounting port than the computing unit 21. The storage unit 22 includes a hard disk backplane 222, as shown in fig. 5 and fig. 6, which are schematic front and back views of the hard disk backplane 222. Every four groups of solid state disks 221 are a group and share one four-port hard disk backboard 222, every two groups of hard disk backplates 222 are arranged side by side in a row, and there are two rows of hard disk backplates 222. The PCIE signal of the hard disk backplane 222 is connected to the motherboard through the MCIO X8 high-speed cable to transmit a high-speed signal. SAS/SATA signals are transmitted through the SlimlineX4 connector, and other sideband and power signals are also transmitted through the connection cable 5.

In this embodiment, the first mounting structure 2 is further adapted to mount an input/output unit 6, where the input/output unit 6 includes a network card 61 and three PCIE cards 62; the network card 61 and one PCIE card 62 are disposed on the first mounting structure 2 of one layer and are located at the side of the storage unit 22; two additional PCIE cards 62 are disposed on the first mounting structure 2 of the other layer and on the side of the memory unit 22.

In a specific embodiment, the server supports three standard PCIE cards 62 with half height and half length, the standard PCIE card 62 is transversely inserted into one PCIE adapter card with three slots, as shown in fig. 7, the PCIE adapter card is connected to the motherboard by a connection cable 5, and each PCIE card 62 supports hot plug operation, so that online operation and maintenance can be realized. The network card 61 in this embodiment is an OCP3.0 network card 61, the maximum bandwidth of the network card 61 is X16, and the network card 61 is connected to the motherboard by a customized cable direct connection scheme. The input/output unit 6 further includes an input/output board 63, as shown in fig. 8, the input/output board 63 is used for controlling the on/off of the whole server system, displaying output of external video and indicating lights of system health status, and the input/output board 63 is placed at the leftmost side of the installation port, is fixedly connected with the chassis, and is connected with the main board through a cable.

In this embodiment, the sliding structure includes a sliding block and a sliding groove, and the sliding block is disposed on two opposite side walls of the chassis 1; the spout sets up on two relative lateral walls of first mounting structure 2, spout and slider sliding fit. Specifically, the slide block may be a single slide bar, or may have a plurality of slide blocks.

As an alternative embodiment, the sliding structure may include a sliding block and a sliding groove, and the sliding groove is disposed on two opposite side walls of the case 1; the slider sets up on two relative lateral walls of first mounting structure 2, spout and slider sliding fit.

The server of the embodiment further comprises a self-locking structure which is arranged on the case 1; the self-locking structure is adapted to lock the first mounting structure 2 in the mounting position when the first mounting structure 2 is pressed for the first time, and to eject the first mounting structure 2 to the maintenance position when the first mounting structure 2 is pressed again, when the first mounting structure 2 is in the mounting position. The self-locking structure is arranged, so that the first mounting structure 2 can be locked at the mounting position, and the first mounting structure 2 can be ejected by pressing again when needed.

This embodiment still discloses a rack, including the cabinet body, cabinet door and foretell server, the server setting is internal at the cabinet, and the installing port is towards the cabinet door. When carrying out fortune dimension to the server, need not to put down the frame with the server after the outage, only need open the cabinet door, directly take out the first mounting structure 2 of server to maintaining the position through the installing port, just can realize the online fortune dimension of server, reduced the fortune dimension degree of difficulty of server, still save the step of installation and dismantlement.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. A server, comprising:

the device comprises a case (1), a mounting cavity and a mounting port communicated with the mounting cavity are arranged in the case (1), and the mounting port is arranged on the side part of the case (1);

a sliding structure;

the first mounting structure (2) is slidably arranged on the case (1) through the sliding structure and is provided with a mounting position arranged in the mounting cavity through the mounting opening and a maintenance position sliding out of the mounting cavity through the mounting opening; the first mounting structure (2) is adapted to mount a computing unit (21) and a storage unit (22) thereon.

2. The server of claim 1, further comprising:

the second mounting structure (3) is arranged in the mounting cavity and fixedly connected with the case (1), and the second mounting structure (3) is suitable for mounting a processor unit (31) and a heat dissipation unit (32);

the wire arranging structure (4) is provided with a wire arranging cavity, and the wire arranging structure (4) is arranged in the mounting cavity;

and one end of the connecting cable (5) is connected with the first mounting structure (2), and the other end of the connecting cable penetrates through the cable arranging cavity to be connected with the second mounting structure (3).

3. The server according to claim 2, wherein the connection cable (5) comprises a first segment and a second segment, and the wire management structure (4) comprises:

a first wire management pipe (41) movably arranged in the mounting cavity;

a second wire management pipe (42) movably arranged in the mounting cavity;

a rotating part (43) movably arranged in the mounting cavity;

one end of the first line segment is connected with the first mounting structure (2), and the other end of the first line segment penetrates through the first line management pipe (41) and is rotatably connected with the rotating part (43);

one end of the second line segment is connected with the second mounting structure (3), and the other end of the second line segment penetrates through the second line management pipe (42) and is rotatably connected with the rotating part (43).

4. A server according to claim 3, wherein the wire management structure (4) further comprises:

a first fixing portion (44) fixedly connected to the first mounting structure (2) and adapted to be rotatably connected with one end of the first line segment;

a second fixing portion (45) fixedly connected to the second mounting structure (3) and adapted to be rotatably connected with one end of the second line segment.

5. A server according to any of claims 1-4, characterized in that the first mounting structures (2) have two groups, two groups of the first mounting structures (2) being arranged one above the other, each layer of the first mounting structures (2) having the computing unit (21) and the storage unit (22) mounted thereon.

6. The server according to claim 5, wherein the computing unit (21) and the storage unit (22) are mounted hot-swappable on the first mounting structure (2), the computing unit (21) mounted on each layer of the first mounting structure (2) comprising four sets of graphics processors (211); the storage unit (22) arranged on each layer of the first mounting structure (2) comprises eight groups of solid state disks (221).

7. The server according to claim 6, wherein the first mounting structure (2) is further adapted to mount an input/output unit (6), and the input/output unit (6) comprises a network card (61) and three PCIE cards (62); the network card (61) and one PCIE card (62) are arranged on the first mounting structure (2) on one layer and are positioned on the side part of the storage unit (22); and the other two PCIE cards (62) are arranged on the first mounting structure (2) of the other layer and are positioned at the side part of the storage unit (22).

8. The server according to any one of claims 1-4, 6-7, wherein the sliding structure comprises:

the sliding blocks are arranged on two opposite side walls of the case (1);

the sliding grooves are formed in two opposite side walls of the first mounting structure (2) and are in sliding fit with the sliding blocks.

9. The server according to any one of claims 1-4 and 6-7, further comprising a self-locking structure disposed on the chassis (1); when the first mounting structure (2) is in the mounting position, the self-locking structure is adapted to lock the first mounting structure (2) in the mounting position when the first mounting structure (2) is pressed for the first time, and to eject the first mounting structure (2) to the maintenance position when the first mounting structure (2) is pressed again.

10. A cabinet, comprising:

a cabinet body;

the cabinet door is hinged to the cabinet body;

the server of any one of claims 1-9, disposed within the cabinet body with the mounting opening facing the cabinet door.