Startup and shutdown time sequence control device for magnetic disk array storage system
A storage system and disk array technology, applied in the field of power-on and power-off sequence control devices, can solve problems such as operation errors, equipment operation threats, uncontrollability, etc., and achieve the effect of reducing the time to stop services
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[0017] The present invention discloses a power-on / off sequence control device for a disk array storage system, which is used in a disk array storage system composed of a machine head 10 and several expansion cabinets 20. Refer to figure 1 As shown, the switch timing control device includes:
[0018] Head controller 11, is installed in the PCI slot of head 10 and obtains power supply by PCI slot, and this head controller includes the input interface 12 that receives input and the output interface 13 of output order, and output interface 13 includes the The machine head sub-interface 13a for outputting commands and the extension cabinet sub-interface 13b for outputting commands to the expansion cabinet.
[0019] The expansion cabinet controllers 21 are installed in the expansion cabinets 20, one expansion cabinet controller is installed in each expansion cabinet 20, and the display cabinet controllers installed in each expansion cabinet are connected to each other in a cascade m...
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