MRAM-using solid state hard disk and physical address-using reading/writing method
A technology of solid-state hard disk and physical address, which is applied in the directions of memory address/allocation/relocation, energy-saving computing, and climate sustainability. Guaranteed read and write performance and reduced costs
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[0056] Such as Figure 4 As shown, the solid state drive of an embodiment of the present invention includes a main control chip and a set of NAND chips for storing data. The NAND chip is connected to the main control chip. The solid state drive further includes MRAM. The MRAM is connected to the main control chip. Including read and write cache.
[0057] The MRAM is connected to the main control chip of the solid-state hard disk through the DDRDRAM interface.
[0058] The NAND chip stores a logical address and a physical address comparison table. When the device is turned on, the file system reads from the NAND to the host memory. With this scheme, since the entire logical address and physical address comparison table is read into the host memory, the random read and write performance will not be sacrificed, but a large amount of memory in the host will be consumed, so this scheme is more suitable for servers.
[0059] The logical address and physical address comparison table is wri...
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