Generating a composite vibration profile for a computer system
First Claim
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1. A method for generating a composite vibration profile in a frequency range for a computer system, the method comprising:
- measuring a vibration spectrum in the frequency range for a test computer system in each configuration in a set of configurations, wherein each configuration in the set of configurations includes a permutation of a location of the test computer system in slots in a set of slots in a computer system rack and a location of at least one other computer system in the slots in the set of slots in the computer system rack, wherein measuring the vibration spectrum comprises measuring the vibration spectrum along each vibration axis in a set of vibration axes, wherein the set of vibration axes comprises one or more of up to three orthogonal linear vibration axes and up to three orthogonal rotational vibration axes;
using a processor to generate the composite vibration profile for the computer system based on the measured vibration spectra; and
vibrating the computer system rack at a set of frequencies in the frequency range by sweeping through the frequency range one time for each vibration axis in the set of vibration axes, wherein vibrating the rack comprises, for each frequency in the set of frequencies, determining an amplitude for a vibration for the rack at the frequency based on the composite vibration profile.
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Abstract
Some embodiments of the present invention provide a system that generates a composite vibration profile in a frequency range for a computer system. First, a vibration spectrum in the frequency range is measured for a test computer system in each configuration in a set of configurations. Then, the composite vibration profile for the computer system is generated based on the measured vibration spectra.
11 Citations
18 Claims
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1. A method for generating a composite vibration profile in a frequency range for a computer system, the method comprising:
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measuring a vibration spectrum in the frequency range for a test computer system in each configuration in a set of configurations, wherein each configuration in the set of configurations includes a permutation of a location of the test computer system in slots in a set of slots in a computer system rack and a location of at least one other computer system in the slots in the set of slots in the computer system rack, wherein measuring the vibration spectrum comprises measuring the vibration spectrum along each vibration axis in a set of vibration axes, wherein the set of vibration axes comprises one or more of up to three orthogonal linear vibration axes and up to three orthogonal rotational vibration axes; using a processor to generate the composite vibration profile for the computer system based on the measured vibration spectra; and vibrating the computer system rack at a set of frequencies in the frequency range by sweeping through the frequency range one time for each vibration axis in the set of vibration axes, wherein vibrating the rack comprises, for each frequency in the set of frequencies, determining an amplitude for a vibration for the rack at the frequency based on the composite vibration profile. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A non-transitory computer-readable storage medium storing instructions that when executed by a computer cause the computer to perform a method for generating a composite vibration profile in a frequency range for a computer system, the method comprising:
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measuring a vibration spectrum in the frequency range for a test computer system in each configuration in a set of configurations, wherein each configuration in the set of configurations includes a permutation of a location of the test computer system in slots in a set of slots in a computer system rack and a location of at least one other computer system in the slots in the set of slots in the computer system rack, wherein measuring the vibration spectrum comprises measuring the vibration spectrum along each vibration axis in a set of vibration axes, wherein the set of vibration axes comprises one or more of up to three orthogonal linear vibration axes and up to three orthogonal rotational vibration axes; generating the composite vibration profile for the computer system based on the measured vibration spectra; and vibrating the computer system rack at a set of frequencies in the frequency range by sweeping through the frequency range one time for each vibration axis in the set of vibration axes, wherein vibrating the rack comprises, for each frequency in the set of frequencies, determining an amplitude for a vibration for the rack at the frequency based on the composite vibration profile. - View Dependent Claims (14, 15, 16, 17)
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18. An apparatus that generates a composite vibration profile in a frequency range for a computer system, the apparatus comprising:
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a measuring mechanism configured to measure a vibration spectrum in the frequency range for a test computer system in each configuration in a set of configurations, wherein each configuration in the set of configurations includes permutations of a location of the test computer system and a location of at least one other computer system in the slots in the set of slots in the computer system rack, and wherein configurations in the set of configurations include a vibration table coupled to the computer system rack, wherein, while measuring the vibration spectrum, the measuring mechanism is configured to measure the vibration spectrum along each vibration axis in a set of vibration axes, wherein the set of vibration axes comprises one or more of up to three orthogonal linear vibration axes and up to three orthogonal rotational vibration axes; a generating mechanism configured to generate the composite vibration profile for the computer system based on the measured vibration spectra, wherein the generating mechanism includes a mechanism configured to generate the composite vibration profile based on a highest amplitude vibration from the vibration spectra at each frequency in a set of frequencies in the frequency range; and a vibration mechanism configured to vibrate the computer system rack at a set of frequencies in the frequency range by sweeping through the frequency range one time for each vibration axis in the set of vibration axes, wherein, while vibrating the rack, the vibration mechanism is configured to, for each frequency in the set of frequencies, determine an amplitude for a vibration for the rack at the frequency based on the composite vibration profile.
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Specification