RAID method and device with network protocol between controller and storage devices
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United States of America Patent
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Dec 21, 2004
Grant Date -
N/A
app pub date -
Mar 17, 2000
filing date -
Feb 4, 2000
priority date (Note) -
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Abstract
The present invention relates to transparent access to a redundant array of inexpensive devices. In particular, it provides a method and device for connecting redundant disk drives to a controller, preferably an intelligent switch, via a network. The disks are controlled by commands transported across the network. Commands may be SCSI, IDE/ATA or other commands. The network may comprise ethernet, fiber channel or other physical layer protocol. Commands can be encapsulated in IP packets and transmitted using either a reliable or unreliable transport protocol. Multicasting of packets from the controller to the multiple disk drives is part of the present invention.
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