[go: up one dir, main page]

Nazari et al., 2019 - Google Patents

FRCD: Fast recovery of compressible data in flash memories

Nazari et al., 2019

View PDF
Document ID
15366176943820048
Author
Nazari M
Zadeh R
Asghari S
Marvasti M
Rahmani A
Publication year
Publication venue
Computers & Electrical Engineering

External Links

Snippet

Volatile memory is used to store frequent accesses to mapping tables in flash memories. However, these tables may be lost after a sudden power failure. This paper introduces an optimized metadata recovery scheme that retrieves the tables faster than the state-of-the-art …
Continue reading at www.academia.edu (PDF) (other versions)

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
    • G06F12/023—Free address space management
    • G06F12/0238—Free address space management in non-volatile memory
    • G06F12/0246—Free address space management in non-volatile memory in block erasable memory, e.g. flash memory
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
    • G06F12/023—Free address space management
    • G06F12/0253—Garbage collection, i.e. reclamation of unreferenced memory
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Error detection; Error correction; Monitoring responding to the occurence of a fault, e.g. fault tolerance
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1402—Saving, restoring, recovering or retrying
    • G06F11/1415—Saving, restoring, recovering or retrying at system level
    • G06F11/1441—Resetting or repowering
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from or digital output to record carriers, e.g. RAID, emulated record carriers, networked record carriers
    • G06F3/0601—Dedicated interfaces to storage systems
    • G06F3/0628—Dedicated interfaces to storage systems making use of a particular technique
    • G06F3/0638—Organizing or formatting or addressing of data
    • G06F3/064—Management of blocks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Error detection; Error correction; Monitoring responding to the occurence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/72—Details relating to flash memory management
    • G06F2212/7205—Cleaning, compaction, garbage collection, erase control
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/30—Information retrieval; Database structures therefor; File system structures therefor
    • G06F17/30067—File systems; File servers
    • G06F17/30129—Details of further file system functionalities
    • G06F17/3015—Redundancy elimination performed by the file system
    • G06F17/30156—De-duplication implemented within the file system, e.g. based on file segments
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/72—Details relating to flash memory management
    • G06F2212/7202—Allocation control and policies
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/72—Details relating to flash memory management
    • G06F2212/7207—Details relating to flash memory management management of metadata or control data
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/10—Providing a specific technical effect
    • G06F2212/1032—Reliability improvement, data loss prevention, degraded operation etc
    • G06F2212/1036—Life time enhancement
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/40—Specific encoding of data in memory or cache
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for programme control, e.g. control unit
    • G06F9/06—Arrangements for programme control, e.g. control unit using stored programme, i.e. using internal store of processing equipment to receive and retain programme

Similar Documents

Publication Publication Date Title
Mittal et al. A survey of software techniques for using non-volatile memories for storage and main memory systems
US11327886B2 (en) Capturing time-varying storage of data in memory device for data recovery purposes
US8909851B2 (en) Storage control system with change logging mechanism and method of operation thereof
KR101522848B1 (en) Self-journaling and hierarchical consistency for non-volatile storage
Zhou et al. {Remap-SSD}: Safely and efficiently exploiting {SSD} address remapping to eliminate duplicate writes
Nazari et al. FRCD: Fast recovery of compressible data in flash memories
Zhang et al. Reducing {Solid-State} storage device write stress through opportunistic in-place delta compression
Choi et al. JFTL: A flash translation layer based on a journal remapping for flash memory
US20120284587A1 (en) Super-Endurance Solid-State Drive with Endurance Translation Layer (ETL) and Diversion of Temp Files for Reduced Flash Wear
Oh et al. SHARE interface in flash storage for relational and NoSQL databases
Kim et al. Exploiting compression-induced internal fragmentation for power-off recovery in SSD
Lee et al. Design and implementation of a journaling file system for phase-change memory
Yim et al. A fast start-up technique for flash memory based computing systems
Moraru et al. Persistent, protected and cached: Building blocks for main memory data stores
Dayan et al. GeckoFTL: Scalable flash translation techniques for very large flash devices
Chen et al. Software support inside and outside solid-state devices for high performance and high efficiency
Kang et al. Object-based SCM: An efficient interface for storage class memories
Kang et al. PR-SSD: Maximizing partial read potential by exploiting compression and channel-level parallelism
Wu et al. Understanding and exploiting the full potential of SSD address remapping
Hanyu et al. Design of a one-transistor-cell multiple-valued CAM
Salkhordeh et al. Constant time garbage collection in SSDs
Wu et al. Exploiting workload dynamics to improve SSD read latency via differentiated error correction codes
Park et al. High-performance scalable flash file system using virtual metadata storage with phase-change RAM
Chen et al. DCR: Deterministic crash recovery for NAND flash storage systems
Du et al. SSW: A strictly sequential writing method for open-channel SSD