System and method for connecting SAS RAID controller device channels across redundant storage subsystems

System and method for connecting SAS RAID controller device channels across redundant storage subsystems

  • CN 101,517,541 B
  • Filed: 10/10/2007
  • Issued: 05/13/2015
  • Est. Priority Date: 10/10/2006
  • Status: Active Grant
First Claim
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1. , for crossing a system for redundant storage subsystems interconnection SCSI RAID controller device channels, comprising:

  • One first extender device;

    AndOne second extender device, described first extender device and the second extender device respectively comprise a subtractive port and a table mapped port, and are applicable to one first Serial Attached SCSI (SAS) controller to be coupled to one second Serial Attached SCSI (SAS) controller,Wherein said first extender device is connected cross-couplings with described second extender device by a redundant physical,The described subtractive port of described first extender device is coupled to the described table mapped port of described second extender device, and the described subtractive port of described second extender device is coupled to the described table mapped port of described first extender device.

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