A. Check SSD. Check NVDIMM. Check DRAM. Validate checksum, decompress, dedupe, and return data.

B. Check NVDIMM. Check DRAM. Retrieve from SSD. Validate checksum, decompress, dedupe, and return data.

C. Check NVDIMM. Retrieve from SSD. Validate checksum, decompress, dedupe, and return data.

D. Check DRAM. Check NVDIMM. Retrieve from SSD. Validate checksum, decompress, dedupe, and return data.