QoS
SSD QoS: Sources of Read Latency Tail A conceptual notebook entry on why NAND SSD read latency has a long tail, and the specific mechanisms
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Tagged
Storage / SSD
Articles
Bottleneck Analysis
SSD Bottleneck Analysis A working page for modeling SSD performance as a series of capacity-constrained stages. Fill in device-specific numbers as they'
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Designing an SSD
Deep expertise in solid-state storage systems: architectural modeling, NAND flash integration, host interface design, and performance validation. What that sentence actually means in practice
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FDP
Flexible Data Placement (FDP) How FDP lets the host steer writes into physically isolated regions of NAND, so that when data dies it dies together
Read more →Form Factors
Enterprise SSD Form Factors A reference of common enterprise/datacenter SSD form factors. Physical and electrical parameters (dimensions, power, PCIe speed, connector) come from published
Read more →FTL
Flash Translation Layer & Logical-to-Physical Mapping (Basic/Flat L2P) A conceptual introduction to the FTL and the logical-to-physical (L2P) table it&
Read more →LDPC
LDPC Decoders for SSDs A reference on how modern SSD controllers use Low-Density Parity-Check (LDPC) codes to protect NAND data — encoding, parity overhead
Read more →NAND
NAND Flash Overview (for SSDs) A high-level reference on NAND flash memory as used in SSDs — cell types, physical structure, program/erase behavior, and
Read more →NVMe
NVMe Overview (for SSDs) A conceptual/reference doc on NVMe (Non-Volatile Memory Express) — what problem it solves, its command/queue architecture, namespaces and command
Read more →PCIe
PCI Express (PCIe) Overview: Generations & Power Efficiency A high-level reference on PCI Express as the host interface stage in the SSD bottleneck model
Read more →SSD Controller Architecture
SSD Controller Architecture The ASIC at the center of an enterprise SSD: what blocks it contains, why the compute complex looks the way it does,
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