Measuring and testing – Vibration – Vibrator
Reexamination Certificate
2009-05-18
2011-12-06
Allen, Andre (Department: 2855)
Measuring and testing
Vibration
Vibrator
C360S031000
Reexamination Certificate
active
08069727
ABSTRACT:
One embodiment of the present invention provides a system that generates vibration-resistance signatures for hard disk drives (HDDs). In this system, a set of HDDs is mechanically affixed to a disk enclosure. The system additionally includes a vibration generator which is mechanically coupled to the disk enclosure and can apply a translational vibration profile to the disk enclosure. The system further includes a coupling mechanism between the set of HDDs and the disk enclosure which translates the translational vibration profile into both translational and rotational vibrations for the set of HDDs in multiple dimensions. The system additionally includes a monitoring mechanism which monitors an HDD performance metric from the set of HDDs while the HDDs are subject to the translational and rotational vibrations. The system also includes a signature-generation mechanism which uses the monitored HDD performance metric to generate vibration-resistance signatures for the set of HDDs.
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patent: 2005/0132133 (2005-06-01), Keohane et al.
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Bougaev Anton A.
McElfresh Daivd K.
Urmanov Aleksey M.
Allen Andre
Oracle America Inc.
Park Vaughan Fleming & Dowler LLP
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