NAND Framework in HEAD.

[Aleksandr Rybalko]

On Thu, 17 May 2012 14:10:34 +0200
Grzegorz Bernacki <gjb at semihalf.com> wrote:

>> Hello,
>> 
>> I would like to annouce merging of the project/nand branch into
>> HEAD. The purpose of this project was to create a complete
>> environment supportng NAND Flash devices in FreeBSD.
>> 
>> The NAND Flash environment consists of a driver framework for NAND 
>> controllers and memory chips, a NAND device simulator and a fault 
>> tolerant, log-structured file system (NANDFS), tailored to meet the 
>> unique challenges of NAND flash storage. The package includes all
>> the tools, utilities and documentation needed to deploy this
>> technology in custom applications.
>> 
>> The NAND Flash environment consists of several distinct components:
>>    - NAND framework (drivers harness for NAND controllers and NAND
>> chips)
>>    - NAND simulator (NANDsim)
>>    - NAND file system (NAND FS)
>>    - Companion tools and utilities
>>    - Documentation (manual pages)
>> 
>> NAND FS adopts log-structured approach and some parts of its
>> internal design are derived from the new implementation of the
>> log-structured file system (NILFS), with some concepts rooting in
>> the original (now legacy) BSD log-structured file system (LFS).
>> 
>> The NAND FS has the following major features:
>>    - Hard links
>>    - Symbolic links
>>    - Case-sensitive, case-preserving
>>    - Snapshots
>>      – No limit on the number of snapshots (only volume-limited)
>>      – Mountable as read-only file systems
>>      – Simultaneously mountable (there can be a writable mount
>> concurrently mixed with a number of read-only snapshots)
>>    - Redundant super block
>>    - Metadata
>>      – POSIX file permissions
>>      – Creation timestamps
>>      – Last content modification timestamps
>>      – Last metadata change timestamps
>>      – Checksum / ECC
>> 
>> Additional documentation related to project can be found at:
>> http://wiki.semihalf.com/moin.cgi/FreeBSD/NAND
>> 
>> The NAND Flash Framework was developed by Semihalf. Juniper Networks
>> and the FreeBSD Foundation kindly sponsored releasing the code to
>> the FreeBSD community.
>> 
>> regards,
>> grzesiek
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Cool! Many thanks for that! to you Grzegorz and to whole Semihalf!!!

WBW
-- 
Alexandr Rybalko <ray at dlink.ua> 
aka Alex RAY <ray at ddteam.net>