Structure and method for power sequencing of disk drives in a computer system
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United States of America Patent
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Feb 20, 2001
Grant Date -
N/A
app pub date -
Aug 18, 1998
filing date -
Aug 18, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and device for detecting and handling non-responsive devices in a computer system where the device non-responsiveness may be due to a powered-down status rather than a device failure, and more particularly to such computer systems when the devices are RAID disk drives. By scanning all devices connected in a configuration and maintaining a count of devices that time out without responding, a determination can be made as to whether the devices are powered off or are experiencing some other problem that requires attention of a system support technician.
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