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- YAFFS abstract "Yaffs (Yet Another Flash File System) was designed and written by Charles Manning, of Whitecliffs, New Zealand, for the company Aleph One.Yaffs1 was the first version of this file system and was designed for the then-current NAND chips with 512 byte page size (+ 16 byte spare (OOB;Out-Of-Band) area). Work started in 2002, and it was first released later that year. The initial work was sponsored by Toby Churchill Ltd, and Brightstar Engineering.These older chips also generally allow 2 or 3 write cycles per page, which YAFFS takes advantage of - i.e. dirty pages are marked by writing to a specific spare area byte. Newer NAND flash chips have larger pages, first 2K pages (+ 64 bytes OOB), later 4K, with stricter write requirements. Each page within an erase block (128 kilobytes) must be written to in sequential order, and each page must be written only once.YAFFS2 was designed to accommodate these newer chips. It was based on the YAFFS1 source code, with the major difference being that internal structures are not fixed to assume 512 byte sizing, and a block sequence number is placed on each written page. In this way older pages can be logically overwritten without violating the "write once" rule. It was released in late 2003.YAFFS is a robust log-structured file system that holds data integrity as a high priority. A secondary YAFFS goal is high performance. YAFFS will typically outperform most alternatives. It is also designed to be portable and has been used on Linux, WinCE, pSOS, eCos, ThreadX, and various special-purpose OSes. A variant 'YAFFS/Direct' is used in situations where there is no OS, embedded OSes or bootloaders: it has the same core filesystem but simpler interfacing to both the higher and lower level code and the NAND flash hardware.The YAFFS codebase is licensed both under the GPL and under per-product licenses available from Aleph One.".
- YAFFS wikiPageExternalLink unyaffs.
- YAFFS wikiPageExternalLink yaffs2utils.
- YAFFS wikiPageExternalLink AT9680239525.html.
- YAFFS wikiPageExternalLink www.yaffs.net.
- YAFFS wikiPageExternalLink yaffs-history.
- YAFFS wikiPageID "2704370".
- YAFFS wikiPageRevisionID "605276388".
- YAFFS developer "Charles Manning".
- YAFFS fullName "Yet Another Flash File System".
- YAFFS hasPhotoCollection YAFFS.
- YAFFS os Android_(operating_system).
- YAFFS os ECos.
- YAFFS os Firefox_OS.
- YAFFS os Linux.
- YAFFS os PSOS_(real-time_operating_system).
- YAFFS os ThreadX.
- YAFFS os Windows_CE.
- YAFFS subject Category:Embedded_Linux.
- YAFFS subject Category:Flash_file_systems.
- YAFFS subject Category:Linux_kernel-supported_flash_file_systems.
- YAFFS type Abstraction100002137.
- YAFFS type Arrangement105726596.
- YAFFS type ClassificationSystem105727220.
- YAFFS type Cognition100023271.
- YAFFS type FileSystem105732614.
- YAFFS type FlashFileSystems.
- YAFFS type PsychologicalFeature100023100.
- YAFFS type Structure105726345.
- YAFFS comment "Yaffs (Yet Another Flash File System) was designed and written by Charles Manning, of Whitecliffs, New Zealand, for the company Aleph One.Yaffs1 was the first version of this file system and was designed for the then-current NAND chips with 512 byte page size (+ 16 byte spare (OOB;Out-Of-Band) area). Work started in 2002, and it was first released later that year.".
- YAFFS label "YAFFS".
- YAFFS label "YAFFS".
- YAFFS label "YAFFS".
- YAFFS label "YAFFS".
- YAFFS label "YAFFS".
- YAFFS sameAs YAFFS.
- YAFFS sameAs YAFFS.
- YAFFS sameAs m.07z1pd.
- YAFFS sameAs Q2492291.
- YAFFS sameAs Q2492291.
- YAFFS sameAs YAFFS.
- YAFFS wasDerivedFrom YAFFS?oldid=605276388.
- YAFFS homepage www.yaffs.net.
- YAFFS isPrimaryTopicOf YAFFS.