Blade server switch module using out-of-band signaling to detect the physical location of an active drive enclosure device
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United States of America Patent
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Dec 30, 2008
Grant Date -
May 29, 2008
app pub date -
Jul 28, 2006
filing date -
Jul 28, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system for communication between components in a computer storage system includes a drive enclosure device having a plurality of disk drives. A switch module is electrically coupled to the drive enclosure device. The module has a plurality of physical layer links (PHYs). The module generates out-of-band (OOB) signals to transmit to the drive enclosure device, detects a physical location of an active drive enclosure device by interrogating the PHYs, and sends a serial management protocol (SMP) instruction to the drive enclosure device to perform a task, the SMP instruction based on the physical location.
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