Bus zoning in a channel independent storage controller architecture
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United States of America Patent
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Jan 4, 2005
Grant Date -
Apr 3, 2003
app pub date -
Sep 28, 2001
filing date -
Sep 28, 2001
priority date (Note) -
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Abstract
A network storage controller for transferring data between a host computer and a storage device, such as a redundant array of inexpensive disks (RAID), described. The network storage controller includes at least one channel interface module which is adapted to be connected to the host computer and storage device. The network storage controller also includes at least one controller memory module, attached to a passive backplane. The controller memory module communicates with the channel interface module. In applications where redundancy is required, at least two controller memory modules and at least two channel interface modules are used. The controller memory modules may mirror data between one another using the passive backplane and a shared communication path on the channel interface modules.
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