CN205091731U - RAID card applied to calculation nodes of multi-path server - Google Patents

Abstract

The utility model provides a RAID card applied to multi-channel server computing nodes, including a RAID management chip, the RAID management chip is connected with a SAS connector, a PCIE high-speed connector that can be externally connected to a CPU, and the SAS connector is connected with an LED indicator light. The RAID management chip is also connected with a single-chip microcomputer, and the single-chip microcomputer controls and connects an LED indicator light, and the LED indicator light is a status indicator light for connecting a hard disk. Compared with the prior art, this RAID card applied to computing nodes of multi-way servers can be applied to four-way subsystems of multi-way servers, which facilitates the control of local hard disks, easy installation of the operating system, convenient testing and user experience, and is practical. Strong, wide range of application, easy to promote.

Description

A RAID Card Applied to Computing Nodes of Multiple Servers

technical field

The utility model relates to the technical field of computer hardware equipment testing, in particular to a RAID card with simple structure and applied to computing nodes of multi-channel servers.

Background technique

Haswell architecture, as Intel's fourth-generation CPU architecture, is widely used in server system design. However, the CPU architecture does not have a SAS/SATA bus interface, and cannot expand the local hard disk, which is not convenient for users to use.

Based on this, a kind of RAID card applied to multi-way server computing nodes is now provided. For multi-way server systems, each 4-way subsystem is equipped with a RAID card of the present utility model, and the SAS/SATA bus interface is expanded through the PCIE bus to manage the local system. hard disk.

Contents of the invention

The technical task of the utility model is to solve the deficiencies of the prior art, and provide a RAID card applied to multi-channel server computing nodes with simple structure and ideal use effect.

The technical scheme of the utility model is realized in the following manner, a kind of RAID card applied to multi-channel server computing nodes, including a RAID management chip, the RAID management chip is connected with a SAS connector, a PCIE high-speed connector that can be externally connected to the CPU, The SAS connector is connected with an LED indicator light, and the RAID management chip is also connected with a single-chip microcomputer, and the single-chip microcomputer controls and connects an LED indicator light, and the LED indicator light is a status indicator light for connecting a hard disk.

The RAID management chip is provided with two sets of SAS connectors. Correspondingly, the two sets of SAS connectors are connected to two hard disks, and the two hard disks are controlled and connected by a single-chip microcomputer.

The RAID management chip is connected to the above-mentioned single-chip microcomputer through the SGPIO interface, and the single-chip microcomputer also receives the BMC signal sent by the CPU through the PCIE high-speed connector.

The RAID management chip is also connected with a FLASH chip, an EEPROM memory chip, an NVRAM memory, a UART interface, an EJTAG interface, a temperature sensor and a clock chip.

The clock chip is a 75MHzCLK clock chip.

In summary, the beneficial effects produced by the utility model compared with the prior art are:

A RAID card applied to multi-channel server computing nodes of the utility model has the characteristics of simple structure, convenient use, and novel concept. The system is easy to install, convenient for testing and user experience, has strong practicability, a wide range of applications, and is easy to promote.

Description of drawings

Accompanying drawing 1 is the structural representation of the utility model.

The marks in the accompanying drawings indicate respectively:

1. RAID management chip, 2. PCIE high-speed connector, 3. EEPROM memory chip, 4. Temperature sensor, 5. UART interface, 6. EJTAG interface, 7. Single-chip microcomputer, 8. LED indicator light, 9. SAS connector, 10. NVRAM memory, 11. FLASH chip, 12. Clock chip.

detailed description

A RAID card applied to multi-way server computing nodes of the present invention will be described in detail below in conjunction with the accompanying drawings.

As shown in accompanying drawing 1, now provide a kind of RAID card that is applied to the computing node of multi-way server, comprise RAID management chip 1, this RAID management chip 1 is connected with SAS connector 9, the PCIE high-speed connector 2 that can connect CPU externally, The SAS connector 9 is connected to an LED indicator light 8, and the RAID management chip 1 is also connected to a single-chip microcomputer 7, and the single-chip microcomputer 7 controls and connects an LED indicator light 8, and the LED indicator light 8 is a status indicator light for connecting a hard disk.

The RAID management chip 1 is provided with two sets of SAS connectors 9 . Correspondingly, the two sets of SAS connectors 9 are connected to two hard disks, and both hard disks are controlled and connected by the single-chip microcomputer 7 .

The RAID management chip 1 is connected to the above-mentioned single-chip microcomputer 7 through the SGPIO interface, and the single-chip microcomputer 7 also receives the BMC signal sent by the CPU through the PCIE high-speed connector 2 .

The RAID management chip 1 is also connected with a FLASH chip 11 , an EEPROM memory chip 3 , an NVRAM memory 10 , a UART interface 5 , an EJTAG interface 6 , a temperature sensor 4 and a clock chip 12 .

The clock chip 12 is a 75MHzCLK clock chip.

In actual use, the RAID management inquiry of the RAID card is connected to the CPU board through the PCIE high-speed connector 2, and the CPU provides PCIE signals to connect to the RAID management chip 1, and simultaneously provides 100M clocks and I2C signals. The Firmware of the FLASH memory chip 11 ensures the normal operation of the chip; the EEPROM memory chip 3 is used to store configuration files and manage information such as PHYMAP; the NVRAM memory 10 is used to store temporary information to avoid loss of information caused by power failure.

The UART interface 5 and the EJTAG interface 6 are used for DEBUG debugging of the RAID management chip 1 .

The RAID card equipped with the 4-way subsystem controls two SAS/SATA hard disks, and the 75MHzCLK clock chip 12 provides the clock signal required by the hard disk. Two hard drives support RAID0 and RAID1.

The single-chip microcomputer 7 chip receives the SGPIO signal of the RAID management chip 1, analyzes the active, locate, and error signals, controls the LED indicator light 8, and displays the status of the hard disk. At the same time, the temperature information fed back by the temperature sensor 4 is monitored.

The above embodiments are only used to illustrate the utility model, but not to limit the utility model. Those of ordinary skill in the relevant technical fields can also make various changes and modifications without departing from the spirit and scope of the present invention. Therefore all equivalent technical solutions also belong to the category of the present utility model.

Claims (5)

1. A RAID card applied to multi-channel server computing nodes, characterized in that: comprising a RAID management chip, the RAID management chip is connected with a SAS connector, a PCIE high-speed connector that can be connected to an external CPU, and the SAS connector is connected with an LED indicator Light, the RAID management chip is also connected with a single-chip microcomputer, and the single-chip microcomputer controls and connects an LED indicator light, and the LED indicator light is a status indicator light for connecting a hard disk. 2. A kind of RAID card that is applied to multi-way server computing node according to claim 1, it is characterized in that: said RAID management chip is provided with two groups of SAS connectors, correspondingly, these two groups of SAS connectors Connect two hard disks, and the two hard disks are controlled and connected by the single-chip microcomputer. 3. a kind of RAID card that is applied to multi-channel server computing node according to claim 2, is characterized in that: described RAID management chip connects above-mentioned single-chip microcomputer by SGPIO interface, and this single-chip microcomputer also receives CPU to send by PCIE high-speed connector BMC signal. 4. A kind of RAID card that is applied to multi-channel server computing node according to claim 1, it is characterized in that: described RAID management chip is also connected with FLASH chip, EEPROM storage chip, NVRAM memory, UART interface, EJTAG interface, Temperature sensor and clock chip. 5. A RAID card applied to multi-channel server computing nodes according to claim 4, characterized in that: the clock chip is a 75MHzCLK clock chip.