1. Technical Field
The disclosure generally relates to a server system for monitoring status of fans in rack servers.
2. Description of the Related Art
In rack servers, a plurality of fans are usually mounted in rows on a back of an enclosure of the rack servers to dissipate heat from the servers in the rack servers. However, because the fans are located at the back of the enclosure, it is inconvenient for users to monitor status of the fans through a baseboard management controller mounted inside the rack servers.
Therefore, there is room for improvement within the art.
Many aspects of the present embodiments can be better understood with reference to the following drawings. The components in the drawings are not necessarily drawn to scale, the emphasis instead being placed upon clearly illustrating the principles of the present embodiments. Moreover, in the drawings, like reference numerals designate corresponding parts throughout the several views. Wherever possible, the same reference numbers are used throughout the drawings to refer to the same or like elements of an embodiment.
Referring to the
Referring to
BMC 43.
The BMC 43 is electronically connected to the terminal device 45. The BMC 43 includes a processing unit 431 and an output port 433. The processing unit 431 can be an ARM9 processor. The processing unit 431 is connected to the storage unit 422 via SMbus lines. The processing unit 431 receives and processes the encoded rotational speeds of the fans 32 output by the FCB 41 to determine whether the fans 32 work normally. When at least one fan 32 is determined to work abnormally by the processing unit 431, the processing unit 431 will output the encoded rotational speeds of the fans 32 which are working abnormally through the output port 433. In one embodiment, the output 433 can be a RJ45 port, and can be located on a surface of the enclosure 10.
The terminal device 45 can be a computer. The terminal device 45 is electronically connected to the output port 433 through connection lines, such as network lines, for example, thereby connects to the BMC 43. The terminal device 45 receives and displays the encoded rotational speeds of the abnormal fans 32 on the fan row 30 through the output port 433 to convenient for maintaining or replacing the abnormal fans 32.
In other embodiment, the server system 100 further includes an indicator unit 47. The indicator unit 47 may be a light-emitting diode or other similar devices. The indicator unit 47 is positioned on a surface of the enclosure 10 and electronically connected to the processing unit 431. When at least one fan 32 in the fan row 30 works abnormally, the indicator unit 47 is lit under the control of the processing unit 431. Thus, the status of the indicator unit 47 can remind and indicate users to observe the terminal device 45 to obtain the positional information of the abnormal fan 32.
In use, each FCB 41 reads a rotational speed of the fan 32 on the fan row 32 through the rotate speed detecting pin TACH, and encodes the read rotational speed to indicate positional information of the fan 32 on the corresponding fan row 30. Then the FCB 41 outputs a PWM signal through the rotational speed control pin PWM to control a rotational speed of the fan 32 according to the read rotational speed from the rotational speed detecting pin TACH. At the same time, the storage unit 422 outputs the encoded rotational speed of each fan 32 to the BMC 43. The BMC 43 receives and processes the encoded rotational speeds of the fans 32, thereby outputting the encoded rotational speeds of the fans 32 which work abnormally. The indicator unit 47 is lit under the control of the BMC 43, thereby reminding and denoting users to observe the terminal device 45 to obtain the positional information of the abnormal fans 32, and maintain or replace the abnormal fans 32.
In the present specification and claims, the word “a” or “an” preceding an element does not exclude the presence of a plurality of such elements. Further, the word “comprising” does not exclude the presence of elements or steps other than those listed.
It is to be also understood that even though numerous characteristics and advantages of exemplary embodiments have been set forth in the foregoing description, together with details of the structures and functions of the embodiments, the disclosure is illustrative only, and changes may be made in detail, especially in the matter of arrangement of parts within the principles of this disclosure to the full extent indicated by the broad general meaning of the terms in which the appended claims are expressed.
Number | Date | Country | Kind |
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201110444178.1 | Dec 2011 | CN | national |