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TechNote: Minimum Disk Configurations for a Sun StorEdge A5x00 Disk Array



Sun StorEdge A5x00 disk arrays (often known as Photon arrays or simply Photons) require a minimum number of disks to be installed and placed in certain slots to ensure proper operation of the array. This minimum configuration is a requirement because circuitry on the disk drives regenerate and retime the data signals which corrects signal quality loss accumulated through the bypass circuitry between empty slots.
























Model Minimum Disks Front Backplane Slots Rear Backplane Slots
A5000 5 3 and 6 0, 3, 6
A5100 5 3 and 6 0, 3, 6
A5200 7 0, 5, 10 0, 3, 6, 10


 
 

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