Hyrax:{Fail-in-Place} Server Operation in Cloud Platforms

J Lyu, M You, C Irvene, M Jung, T Narmore… - … USENIX Symposium on …, 2023 - usenix.org
Today's cloud platforms handle server hardware failures by shutting down the affected
server and only turning it back online once it has been repaired by a technician. At cloud …

Resolving the reliability issues of open blocks for 3-D NAND flash: Observations and strategies

Q Li, M Ye, Y Cui, T Ren, TW Kuo… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
While the block size of 3-D NAND flash memory increases with the density and capacity, the
raw bit-error rates (RBER) of open blocks could be significantly increased. This article …

Analysis and mitigation of patterned read collisions in flash SSDs

Y Jun, J Park, JU Kang, E Seo - IEEE Access, 2022 - ieeexplore.ieee.org
A modern flash solid-state drive (SSD) achieves superb throughput by accessing its flash
memory dies in parallel. To obtain parallelism in processing writes, the flash translation layer …

A study of invalid programming in 3d qlc nand flash memories

H Dang, X Yao, Z Wan, Q Li - Proceedings of the 15th ACM Workshop on …, 2023 - dl.acm.org
3D QLC NAND flash memories are now widely applied in storage systems due to their high
density. They adopt the two-step programming strategy to avoid severe program …

AERO: Adaptive Erase Operation for Improving Lifetime and Performance of Modern NAND Flash-Based SSDs

S Cho, B Kim, H Cho, G Seo, O Mutlu, M Kim… - Proceedings of the 29th …, 2024 - dl.acm.org
This work investigates a new erase scheme in NAND flash memory to improve the lifetime
and performance of modern solid-state drives (SSDs). In NAND flash memory, an erase …

Achieving Near-Zero Read Retry for 3D NAND Flash Memory

M Ye, Q Li, Y Lv, J Zhang, T Ren, D Wen… - Proceedings of the 29th …, 2024 - dl.acm.org
As the flash-based storage devices age with program/erase (P/E) cycles, they require an
increasing number of read retries for error correction, which in turn deteriorates their read …

Near-Free Lifetime Extension for 3-D nand Flash via Opportunistic Self-Healing

T Ren, Q Li, Y Lv, M Ye, N Guan… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
3-D nand flash memories are the dominant storage media in modern data centers due to
their high performance, large storage capacity, and low-power consumption. However, the …

IOSR: Improving I/O Efficiency for Memory Swapping on Mobile Devices Via Scheduling and Reshaping

W Li, L Shi, H Li, C Li, EHM Sha - ACM Transactions on Embedded …, 2023 - dl.acm.org
Mobile systems and applications are becoming increasingly feature-rich and powerful,
which constantly suffer from memory pressure, especially for devices equipped with limited …

Fast Online Reconstruction for SSD-Based RAID-5 Storage Systems

H Lin, J Luo, J Li, Z Sha, Z Cai, Y Shi… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
NAND-based solid state drives (SSDs) are almost ubiquitously used in safety-critical
systems, and recent advances have demonstrated redundant array of independent disks …

Minato: A Read-Disturb-Aware Dynamic Buffer Management Scheme for NAND Flash Memory

S Pang, Y Deng, G Zhang, J Huang… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Read-disturb problem plays a pivotal factor in the performance of NAND flash memory,
because it deteriorates the read-disturb errors of NAND flash. Although ECC, read retry, and …