Dynamic fault detection system for dual controller disk array
A disk array and dual-controller technology, applied in the transmission system, digital transmission system, data exchange network, etc., can solve problems such as complex calculation process, unsuitable for storage system requirements, and heavy storage system load
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[0048] The present invention will be further described below in conjunction with the drawings and embodiments.
[0049] Such as figure 1 As shown, the embodiment of the present invention is composed of a parallel master controller and a slave controller. The master controller and the slave controller respectively include CPU, Cache, IDE hard disk, serial controller, first gigabit network card and second gigabit Mega NICs, they are interconnected through the PCI bus. The master and slave controllers also include Fibre Channel adapters; the master and slave controllers use the second gigabit NIC to detect heartbeat failures, and perform data through the Fibre Channel adapter. Synchronize;
[0050] The string controller uses the LSI22320 Ultra320 SCSI adapter from LSI Logic, which includes two 320MBps SCSI channels and can provide a channel bandwidth of 640MBps. Each SCSI channel can connect up to 15 SCSI hard disks, and two channels can connect 30 hard disks. At the same time, the ...
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