Host computer and method for managing SAS expanders of SAS expander storage system
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United States of America Patent
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Aug 2, 2016
Grant Date -
Jun 12, 2014
app pub date -
Sep 30, 2013
filing date -
Dec 6, 2012
priority date (Note) -
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Abstract
In a method for managing serial attached small computer system interface (SAS) expanders using a host computer, the host computer connects to an SAS expander storage system through a redundant array of independent disks (RAID) card. The SAS expander storage system includes a first switch device, a first SAS expander, a second SAS expander, a second switch, a flash memory, and hard disk drives. The method controls the first switch device to switch the RAID card from the first SAS expander to the second SAS expander when the first SAS expander fails to function, controls the second switch device to switch the flash memory from the first SAS expander to the second SAS expander, and controls the first switch device to connect each of the hard disk drives to the second SAS expander.
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