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ÇѱÛÁ¦¸ñ(Korean Title) |
FMAX(Flexible MetadatA eXtention) Filesystem : ¸®´ª½º Ä¿³Î ȯ°æ¿¡¼ ¸ÞŸµ¥ÀÌÅÍ ÆÄÀϽýºÅÛÀÇ ¼³°è¿Í ±¸Çö |
¿µ¹®Á¦¸ñ(English Title) |
FMAX(Flexible MetadatA eXtention) Filesystem: Design and Implementation of Linux Kernel-Level Metadata Filesystem |
ÀúÀÚ(Author) |
¹ÚÄ¡Çö
±è¿ìö
³ëÈ«Âù
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Sang-Hyun Park
Hong-Chan Roh
Woo-Cheol Kim
Chi-Hyun Park
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¿ø¹®¼ö·Ïó(Citation) |
VOL 24 NO. 02 PP. 0001 ~ 0026 (2008. 08) |
Çѱ۳»¿ë (Korean Abstract) |
¿î¿µÃ¼Á¦¿¡¼ ÆÄÀϽýºÅÛÀº ÆÄÀÏ¿¡ ´ëÇÑ Á¢±Ù, °ü¸® µîÀ» ÃÑ°ýÇÏ´Â Áß¿äÇÑ ºÎºÐÀÌ´Ù. ÃÖ±Ù ´ë¿ë·® Á¤º¸ ÀúÀå ÀåÄ¡ÀÇ ¹ß´Þ°ú ÇÔ²² ÀúÀåÇÏ°í °ü¸®ÇØ¾ß ÇÒ ÆÄÀÏÀÇ ¾çÀÌ Áõ°¡Çϸé¼, ¸¹Àº µ¥ÀÌÅÍ È¤Àº ÆÄÀϵéÀ» È¿°úÀûÀ¸·Î ´Ù·ê ¼ö ÀÖ´Â ÆÄÀϽýºÅÛÀÇ Çʿ伺ÀÌ Áõ°¡ÇÏ°í ÀÖÀ¸¸ç ÀÌ¿¡ ´ëÇÑ ¿¬±¸µµ ÀÌ·ç¾îÁö°í ÀÖ´Ù. ÀÌ·± ÆÄÀϽýºÅÛÀº ÁÖ·Î ¸ÞŸµ¥ÀÌÅÍ( m e t a d a t a )¸¦ È°¿ëÇϴµ¥, Ä¿³Î ȯ°æ( k e r n e l - l e v e l )¿¡¼ ÀÌ·¯ÇÑ ÆÄÀϽýºÅÛ¿¡ ´ëÇÑ ¿¬±¸´Â »ç¿ëÀÚ È¯°æ( u s e r - l e v e l )¿¡¼ÀÇ ¿¬±¸º¸´Ù »ó´ëÀûÀ¸·Î ¹ÌÈíÇÏ´Ù. º» ³í¹®¿¡¼´Â ¸®´ª½º(Linux) Ä¿³Î ȯ°æ¿¡¼ ¸ÞŸµ¥ÀÌÅ͸¦ ÅëÇÕÀûÀ¸·Î °ü¸®ÇÔÀ¸·Î½á È¿À²ÀûÀÎ ÆÄÀÏ Å½»öÀÌ °¡´ÉÇÑ ÆÄÀϽýºÅÛÀ» Á¦¾ÈÇÑ´Ù. ¶ÇÇÑ »ç¿ëÀÚ°¡ ½ºÅ©¸³Æ® ¾ð¾î¸¦ ÅëÇÏ¿© Á÷Á¢ ÆÄÀϽýºÅÛÀÇ ¸ÞŸµ¥ÀÌÅÍ °ü¸® ±â´ÉÀ» Á¦¾îÇÒ ¼ö ÀÖµµ·Ï ÇÑ´Ù. ƯÈ÷ ÆÄÀϽýºÅÛ°ú µ¥ÀÌÅͺ£À̽º °ü¸® ½Ã½ºÅÛÀ» À¶ÇÕÇÒ ¼ö ÀÖ´Â ±âº»ÀûÀΠȯ°æÀ» Á¦°øÇÏ¿© ±âÁ¸ÀÇ ÆÄÀϽýºÅÛÀÌ Á¦°øÇÏÁö ¸øÇÑ ´Ù¾çÇÑ ±â´ÉÀÌ °³¹ßµÉ ¼ö ÀÖµµ·Ï ÇÑ´Ù. º» ³í¹®Àº Ä¿³Î ȯ°æÀ¸·Î ÀÌ·¯ÇÑ ÆÄÀϽýºÅÛÀ» ¼³°èÇÏ°í ±¸ÇöÇϱ⠶§¹®¿¡ °¡»ó ÆÄÀϽýºÅÛ(Virtual File System)°úÀÇ ¿¬°áÀ» À§ÇÑ º°µµÀÇ ÀÎÅÍÆäÀ̽º°¡ ÇÊ¿ä ¾øÀ¸¸ç ÀûÀç(mount) ¸í·ÉÀ» ÅëÇÏ¿© ½±°Ô ÆÄÀϽýºÅÛÀ» »ç¿ëÇÒ ¼ö ÀÖ´Ù. Ä¿³ÎÀÇ ¸¹Àº Á¦¾àÁ¶°ÇÀ» ÇØ°áÇÏ¸é¼ ¼³°èµÇ°í ±¸ÇöµÈ º» ³í¹®ÀÇ ÆÄÀϽýºÅÛÀº ÆÄÀÏ ¿¬»ê¿¡ ´ëÇؼ ±âÁ¸ ¿¬±¸µéÀÌ Á¦¾ÈÇÏ¿´´ø ÆÄÀϽýºÅÛº¸´Ù Àü¹ÝÀûÀ¸·Î Çâ»óµÈ ¼º´ÉÀ» º¸¿©ÁØ´Ù. |
¿µ¹®³»¿ë (English Abstract) |
A filesystem which deals with file accesses and management is an essential part of an operating
system. As the mass storage devices has been developed and the amount of files has increased recently, the necessity of filesystem that can effectively deal with huge data or files has been increasing and the research regarding this have been carried out. This filesystem generally utilizes metadata, but the research regarding this filesystem with kernel-level implementation fashion is less than the research with user-level implementation fashion. In this paper, we propose the filesystem which is able to search files efficiently by managing the metadata with kernel-level implementation fashion. Additionally, in this proposed filesystem, users can directly control the function of metadata management by script language proposed in this paper. Especially, our filesystem provides a basic environment that merges a filesystem with database management system in order to support new functions which have not been implemented by the traditional filesystems. Using our filesystem, there is no need to have an interface to connect virtual file system with a filesystem. Thus user can easily use the filesystem only with a mount command. Compared with the filesystems suggested in previous research, our filesystem implemented under many kernel restrictions demonstrated enhanced overall performance. |
Å°¿öµå(Keyword) |
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Filesystem
Kernel-level
Linux
Metadata
Script Language
Multi Directory
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