CN209728673U - Data access device and system - Google Patents

Abstract

This application involves a kind of data access device and systems, and wherein device includes multi node server, and multi node server is configured with more than two nodes；It include host node and from node in more than two nodes；Host node and first interface and second interface are each equipped with from node；The first interface that host node is configured is suitable for electric connection of power supply and manages bus, so that host node reads the data of power management bus by configured first interface；The second interface that host node is configured is electrically connected with the second interface configured from node, so that the data read are sent to from node by host node by configured second interface.By choosing a node in more than two nodes by being configured in multi node server as host node, remaining node is from node, the reading and broadcast of data are carried out by host node, compared to the mode for adding reading and broadcast of the single-chip microcontroller as mainboard progress data in the related technology, data access cost is effectively reduced.

Description

Data access device and system

Technical field

This disclosure relates to Internet technical field more particularly to a kind of data access device and system.

Background technique

For more component servers, multinode need it is independent to power supply PMBUS (Power Management Bus, Power management bus) realize access, to obtain the real time status informations such as power source temperature, electric current, voltage, power consumption, system is carried out Control.In the related art, it is used as master by using single-chip microcontroller (MCU) first, to read the information of each power management bus, Then the information read is sent from the interface of single-chip microcontroller to each node again, allows each node disjoint to obtain power management to reach The purpose of the information of bus.But reading and the hair of power management bus message are realized as host by using single-chip microcontroller It send, so that the access cost of information is higher.

Utility model content

In view of this, can independently be obtained realizing multinode the present disclosure proposes a kind of data access device and system While power information, additionally it is possible to data access cost be effectively reduced.

According to the one side of the disclosure, a kind of data access device, including multi node server, the multinode are provided Server is configured with more than two nodes；

Wherein, in more than two nodes include host node and from node；

The host node and described first interface and second interface are each equipped with from node；

The first interface that the host node is configured is suitable for electric connection of power supply and manages bus, so that the host node passes through The first interface configured reads the data of the power management bus；

The second interface that the host node is configured is electrically connected with the second interface configured from node, so that described The data read are sent to described from node by host node by configured second interface.

In one possible implementation, the first interface and the second interface are I2C bus interface.

In one possible implementation, the number of the host node be one, it is described from the number of node be two More than.

In one possible implementation, it is described from the number of node be more than two when, it is each described from node institute The first interface of configuration is electrically connected the power management bus so that the host node fail when, by it is any one of from Node is configured to host node.

In one possible implementation, each second interface interconnection configured from node.

In one possible implementation, the host node and the end I/O that predetermined number is each equipped with from node Mouthful；

Wherein, the port I/O of predetermined number is electrically connected different level signals, to characterize the host node and institute State the identity attribute from node.

In one possible implementation, the node is BMC module.

In one possible implementation, the multi node server is small server.

According to another aspect of the present disclosure, additionally provide a kind of data access system, including power module and front it is any The data access device；

Wherein, the host node in the data access device and the first interface configured from node pass through power management Bus is electrically connected with the power module.

In one possible implementation, the power module includes more than two power supplys；And

The power management bus is accessed after more than two power sources in parallel connections.

The data access device of the disclosure, by being chosen in more than two nodes by being configured in multi node server As host node, remaining node is used as from node one node, by host node carry out the data of power management bus reading and Broadcast, compared to adding reading and broadcast of the single-chip microcontroller as the data of mainboard progress power management bus in the related technology Mode, the data access device of the embodiment of the present disclosure, which does not need to add any electronic device, can be realized multinode independent access number According to purpose, to effectively reduce data access cost.

According to below with reference to the accompanying drawings to detailed description of illustrative embodiments, the other feature and aspect of the disclosure will become It is clear.

Detailed description of the invention

Comprising in the description and constituting the attached drawing of part of specification and specification together illustrates the disclosure Exemplary embodiment, feature and aspect, and for explaining the principles of this disclosure.

Fig. 1 shows the architecture diagram of the data access system of the embodiment of the present disclosure；

Fig. 2 shows the system architecture diagrams of another embodiment of the data access system of the embodiment of the present disclosure；

Fig. 3 shows the chip figure of the host node in the data access device of the embodiment of the present disclosure；

Fig. 4 show in the data access device of the embodiment of the present disclosure first from the chip figure of node；

Fig. 5 show in the data access device of the embodiment of the present disclosure second from the chip figure of node；

Fig. 6 shows the chip figure of the first power supply in the data access system of the embodiment of the present disclosure；

Fig. 7 shows the chip figure of the second source in the data access system of the embodiment of the present disclosure.

Specific embodiment

Various exemplary embodiments, feature and the aspect of the disclosure are described in detail below with reference to attached drawing.It is identical in attached drawing Appended drawing reference indicate element functionally identical or similar.Although the various aspects of embodiment are shown in the attached drawings, remove It non-specifically points out, it is not necessary to attached drawing drawn to scale.

Dedicated word " exemplary " means " being used as example, embodiment or illustrative " herein.Here as " exemplary " Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.

In addition, giving numerous details in specific embodiment below to better illustrate the disclosure. It will be appreciated by those skilled in the art that without certain details, the disclosure equally be can be implemented.In some instances, for Method, means, element and circuit well known to those skilled in the art are not described in detail, in order to highlight the purport of the disclosure.

Fig. 1 shows the system architecture diagram of the data access system 100 according to one embodiment of the disclosure.In the embodiment of the present disclosure Data access system 100 in include data access device 110.As shown in Figure 1, data access device 110 may include more than one Node server.Wherein, multi node server is configured with more than two nodes.It should be pointed out that in the embodiment of the present disclosure Data access device 110 in, multi node server can be small server.That is, in the embodiments of the present disclosure, multinode clothes Business device is Mini Server.

It wherein, include host node (BMC1) 111 and from section in more than two nodes that multi node server is configured Point 122.Host node (BMC1) 111 and first interface and second interface are each equipped with from node 122.Herein, it is noted that First interface and second interface can be realized using I2C bus interface.

The first interface that host node (BMC1) 111 is configured is suitable for electric connection of power supply and manages bus, so that host node (BMC1) 111 first interfaces for passing through that it is configured read the data of power management bus.Herein, those skilled in the art can be with Understand, host node (BMC1) 111 by its data that are read of the first interface that itself is configured include data visit Ask the every terms of information of power module 120 in system 100, such as: power source temperature information, current information, information of voltage and power consumption information Deng the every terms of information of the real-time status of characterization power module 120.Herein without specifically limiting.

The second interface that host node (BMC1) 111 is configured then is electrically connected with the second interface configured from node 122, with The data read are sent to from node 122 by the second interface for enabling host node (BMC1) 111 to be configured by its own, To realize the purpose of the broadcast transmission of data.

The data access device 110 of the embodiment of the present disclosure as a result, by two by being configured in multi node server with On node in choose a node and be used as host node (BMC1) 111, remaining node is as from node 122, by host node (BMC1) 111 carry out power management buses data reading and broadcast, compared to adding a single-chip microcontroller conduct in the related technology Mainboard carries out the mode of reading and the broadcast of the data of power management bus, and the data access device 110 of the embodiment of the present disclosure is not Needing to add any electronic device can be realized the purpose of multinode independent access data, thus effectively reduce data access at This.

In one possible implementation, the number of host node (BMC1) 111 can be one, from of node 122 Number can be two or more.That is, when carrying out data access using the data access device 110 of the embodiment of the present disclosure, Can carry out any setting according to actual needs from the number of node 122, it is only necessary to guarantee have a host node (BMC1) 111 into The smooth reading of the data of row power management bus.This just effectively increases the data access device of the embodiment of the present disclosure 110 flexibility.

Wherein, when being more than two from the number of node 122, the first interface respectively configured from node 122 is electrically connected Power management bus is connect, when so that host node (BMC1) 111 failing, can be made by choosing any one node from node 122 For host node use.That is, in the data access device 110 of the embodiment of the present disclosure, when the host node (BMC1) configured in advance It, can be by by choosing any one from node 122 when 111 failures cannot proceed normally the reading data of power management bus Node, configures current host node for the selected slave node 122 taken out to carry out the reading of the data of power management bus, So that the reliability of the data access device 110 of the embodiment of the present disclosure is higher.

Further, when being more than two from the number of node 122, the second interface respectively configured from node 122 is mutual Connection.By the way that the second interface respectively configured from node 122 interconnection is arranged, ensure that in preconfigured host node (BMC1) 111 After failure reconfigures host node, the data that the host node reconfigured is read effectively can smoothly broadcast to it is each other From node 122.

For example, referring to Fig.2, in the data access device 110 of the embodiment of the present disclosure, host node (BMC1) 111 Number is one, is two from the number of node 122, respectively first from node (BMC2) 122a and second from node (BMC3) 122b.Wherein, it is noted that host node (BMC1) 111 and from node 122 be respectively BMC module.

Wherein, host node (BMC1) 111, first is configured from node (BMC2) 122a and second from node (BMC3) 122b There are first interface and second interface.First interface is electrically connected to power management bus.Host node (BMC1) 111 configured Two interfaces are electrically connected with first from the second interface that node (BMC2) 122a is configured, host node (BMC1) 111 configured Two interfaces are also electrically connected with second from the second interface that node (BMC3) 122b is configured.Meanwhile first from node (BMC2) The second interface that 122a is configured is electrically connected with second from the second interface that node (BMC3) 122b is configured, thus reach respectively from The purpose for the second interface interconnection that node 122 is configured.

When carrying out data access using above-described embodiment, it is only necessary to be read by host node (BMC1) 111 by first interface The data in power management bus are taken, and then the data broadcasting read is sent to first from node by second interface again (BMC2) 122a and second is from node (BMC3) 122b.

Wherein, it fails in host node (BMC1) 111, when cannot proceed normally the reading data of power management bus, at this time In order to guarantee that each node still is able to realize the acquisition of data, current main section can be configured to from node (BMC2) 122a by first Point reads the data of power management bus by first from node (BMC2) 122a by the first interface that its own is configured, into And the data broadcasting that will be read from node (BMC2) 122a (that is, the host node being currently configured) by second interface by first again To second from node (BMC3) 122b.

Further, in the data access device of the embodiment of the present disclosure 110, host node (BMC1) 111 and from node 122 can be configured with the port I/O of predetermined number.Wherein, the port I/O of predetermined number is electrically connected different level signals, The node identifier of corresponding digit is formed, to characterize host node (BMC1) 111 and from the identity attribute of node 122.

That is, by the port I/O for choosing predetermined number by host node (BMC1) 111 and from node 122, and will The port I/O of the predetermined number of selected taking-up is electrically connected different level signals, thus by different encoded informations (that is, electricity Ordinary mail number) identity attribute of each node is characterized, to guarantee the accurate reading and transmission of data.

For example, the number of the selected port I/O can be two.That is, refering to Fig. 3, Fig. 4 and Fig. 5, by host node (BMC1) 111 and two ports I/O (that is, GPIO) are respectively chosen from node 122, and the port the I/O company, institute of different nodes The level signal connect is different.

Such as: two GPIO of selected taking-up are electrically connected low level in host node (BMC1) 111, thus host node (BMC1) 111 NODE ID number (that is, encoded information) is 00.First from selected two GPIO taken out of node (BMC2) 122a then according to Sequence is electrically connected low level and high level, so that first from the NODE ID number (that is, encoded information) of node (BMC2) 122a It is 01.Second is then electrically connected high level and low electricity from selected two GPIO taken out of node (BMC3) 122b in sequence It is flat, thus second from the NODE ID number (that is, encoded information) of node (BMC3) 122b be 10.

It, can be directly using host node (BMC1) 111 as master as a result, when host node (BMC1) 111 exists and is effective (master), it first is used as from node (BMC2) 122a and second from node (BMC3) 122b from disk (slave).Host node (BMC1) 111 first interfaces configured by it read the data of power management bus (that is, 121 He of the first power supply (PSU1) The information of second source (PSU2) 122)；Then, the second interface that host node (BMC1) 111 is configured by it is to first from section Point (BMC2) 122a and second sends the NODE ID of the data and host node (BMC1) 111 that read from node (BMC3) 122b Number (that is, 00 coding), first, which receives host node (BMC1) 111 from node (BMC3) 122b from node (BMC2) 122a and second, sends out The information sent identifies NODE ID number and obtains the information of the first power supply (PSU1) 121 and second source (PSU2) 122.

If host node (BMC1) 111 is not present or host node (BMC1) 111 fails, first receives from node (BMC2) 122a Less than the NODE ID number of host node (BMC1) 111, then first it is configured to master (that is, master) from node (BMC2) 122a, the Two are then configured to be configured from node (BMC2) 122a by its own from disk (that is, slave), first from node (BMC3) 122b First interface read power management bus data；Then first configured from node (BMC2) 122a by its own the Two interfaces send the data that read and first from the NODE ID number of node (BMC2) 122a to second from node (BMC3) 122b (that is, 01 coding), second receives the first information sent from node (BMC2) 122a from node (BMC3) 122b, identification first from The NODE ID number of node (BMC2) 122a simultaneously obtains corresponding data information.

If host node (BMC1) 111, first is not present from node (BMC2) 122a or host node (BMC1) 111, first It fails from node (BMC2) 122a, second does not receive the NODE ID number of host node (BMC1) 111 from node (BMC3) 122b (that is, 00 coding) and first from the NODE ID number (that is, 01 encodes) of node (BMC2) 122a, then second from node (BMC3) 122b is directly configured to master (that is, master), second from node (BMC3) 122b directly pass through its own configured first The data of interface reading power management bus.

Herein, it is noted that it is excessive in the number from node 122, it only cannot by double-digit binary coding It, can be with when the identity attribute of all nodes (that is, host node (BMC1) 111 and all from node 122) is identified It is realized by using three or more than four GPIO as NODE ID number.Herein without specifically limiting.

The data access device 110 of the embodiment of the present disclosure is by using GPIO as node identifier as a result, and passes through Each node number is broadcasted the master-slave relationship for automatically determining each node in I2C bus by I2C bus interface, and then is based on institute again Determining master-slave relationship determines host node (BMC1) 111 and after node 122, passes through the first interface of host node (BMC1) 111 Obtain the data of power management bus, and the data for the power management bus that will acquire pass through host node (BMC1) 111 the Two interfaces are sent to respectively from node 122, to be finally reached multinode to realize the data communication between multinode and independently obtain The purpose of power information.It does not need to add the electronic devices such as single-chip microcontroller, therefore effectively reduces data access cost, while also mentioning The high accuracy and reliability of data transmission.

Further, based on any data access device 110 in front, the embodiment of the present disclosure additionally provides a kind of number According to access system 100.Due to the principle of the data access system 100 of the embodiment of the present disclosure and the data access of the embodiment of the present disclosure The principle of device 110 is same or similar, therefore overlaps will not be repeated.

Refering to fig. 1 and Fig. 2, in the data access system 100 of the embodiment of the present disclosure, including power module 120 and front Any data access device 110.Wherein, the host node (BMC1) 111 in data access device 110 and from node 122 The first interface configured passes through power management bus and is electrically connected with power module 120.

Here, it should be pointed out that power module 120 may include more than two power supplys.Wherein, more than two electricity Power management bus is accessed after being connected in parallel in source.

Such as: refering to fig. 1 and Fig. 2, power module 120 include two power supplys, respectively the first power supply (PSU1) 121 and second Power supply (PSU2) 122.Wherein, after the first power supply (PSU1) 121 and second source (PSU2) 122 are connected in parallel, then power supply is accessed Manage bus.

Herein, it will be appreciated by persons skilled in the art that the number of power supply set in power module 120 can root According to actual conditions flexible setting, power management bus is accessed again after need to only connecting the power sources in parallel of corresponding number.

It should also be noted that refering to Fig. 6 and Fig. 7, the first power supply (PSU1) 121 and second source (PSU2) 122 To be realized using battery management chip, no longer repeated herein.

In the system architecture diagram of the data access system 100 of the embodiment of the present disclosure, do not need to add the electronics device such as single-chip microcontroller The purpose that multinode independently obtains power information can be realized in part, effectively reduces cost, economical and practical and simple and effective.

The presently disclosed embodiments is described above, above description is exemplary, and non-exclusive, and It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill Many modifications and changes are obvious for the those of ordinary skill in art field.The selection of term used herein, purport In the principle, practical application or technological improvement to the technology in market for best explaining each embodiment, or lead this technology Other those of ordinary skill in domain can understand each embodiment disclosed herein.

Claims (10)

1. a kind of data access device, which is characterized in that including multi node server, there are two the multi node server configurations Above node；

Wherein, in more than two nodes include host node and from node；

The host node and described first interface and second interface are each equipped with from node；

The first interface that the host node is configured is suitable for electric connection of power supply and manages bus, so that the host node is by being matched The first interface set reads the data of the power management bus；

The second interface that the host node is configured is electrically connected with the second interface configured from node, so that the main section The data read are sent to described from node by point by configured second interface.

2. the apparatus according to claim 1, which is characterized in that the first interface and the second interface are I2C total Line interface.

3. the apparatus according to claim 1, which is characterized in that the number of the host node is one, described from node Number is two or more.

4. device according to claim 3, which is characterized in that it is described from the number of node be more than two when, each institute It states the first interface configured from node and is electrically connected the power management bus, it, will be any when so that the host node failing Host node is configured to from node described in one.

5. device according to claim 4, which is characterized in that each second interface interconnection configured from node.

6. device according to any one of claims 1 to 5, which is characterized in that the host node and described match from node It is equipped with the port I/O of predetermined number；

Wherein, the port I/O of predetermined number is electrically connected different level signals, with characterize the host node and it is described from The identity attribute of node.

7. device according to any one of claims 1 to 5, which is characterized in that the node is BMC module.

8. device according to any one of claims 1 to 5, which is characterized in that the multi node server is small service Device.

9. a kind of data access system, which is characterized in that including power module and the described in any item data of claim 1 to 8 Access mechanism；

Wherein, the host node in the data access device and the first interface configured from node pass through power management bus It is electrically connected with the power module.

10. data access system according to claim 9, which is characterized in that the power module includes more than two Power supply；And

The power management bus is accessed after more than two power sources in parallel connections.