[B! filesystem] korinã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

korin id:korin

filesystemã«é–¢ã™ã‚‹korinã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (12)

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ãƒãƒ¼ãƒˆãƒ“ãƒ¼ãƒ„æœ€å¹´é•·ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã®æ»æ¾¤ã§ã™ã€‚ä»¥å‰ã€å¼Šç¤¾CTOã«ã‚·ãƒ‹ã‚¢ãŠã£ã•ã‚“ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã‹ã‚‰è‹¥æ‰‹ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã«å‘ã‘ã¦ä½•ã‹æ›¸ã„ã¦ãã‚Œã¨è¨€ã‚ã‚ŒãŸæ°—ãŒã—ãŸã®ã§ã€ã‚¢ãƒˆãƒŸãƒƒã‚¯ï¼ˆatomicï¼‰ãªãƒ•ã‚¡ã‚¤ãƒ«æ“ä½œã«ã¤ã„ã¦3ç·¨ã«åˆ†ã‘ã¦ç´¹ä»‹ã—ã¾ã™ã€‚ã“ã®å†…å®¹ã¯å¼Šç¤¾ã®ç¤¾å†…å‹‰å¼·ä¼šã§è©±ã—ãŸå†…å®¹ã‚’ã¾ã¨ã‚ç›´ã—ãŸã‚‚ã®ã§ã™ã€‚ ãã®ãƒ•ã‚¡ã‚¤ãƒ«ã€å®‰å…¨ã«æ›´æ–°ã§ãã¦ã„ã¾ã™ã‹ï¼Ÿï¼ˆã‚¢ãƒˆãƒŸãƒƒã‚¯ãªãƒ•ã‚¡ã‚¤ãƒ«æ“ä½œï¼šå‰ç·¨ï¼‰â†ä»Šå›ž ãã®ãƒ•ã‚¡ã‚¤ãƒ«ã€å®‰å…¨ã«ä½œæˆã§ãã¦ã„ã¾ã™ã‹ï¼Ÿï¼ˆã‚¢ãƒˆãƒŸãƒƒã‚¯ãªãƒ•ã‚¡ã‚¤ãƒ«æ“ä½œï¼šä¸ç·¨ï¼‰ ãã®ãƒ•ã‚¡ã‚¤ãƒ«ã€å®‰å…¨ã«ãƒãƒƒã‚¯ã§ãã¦ã„ã¾ã™ã‹ï¼Ÿï¼ˆã‚¢ãƒˆãƒŸãƒƒã‚¯ãªãƒ•ã‚¡ã‚¤ãƒ«æ“ä½œï¼šå¾Œç·¨ï¼‰ ä»Šå›žã¯ã€Œã¿ãªã•ã‚“ã€å®‰å…¨ã«ãƒ•ã‚¡ã‚¤ãƒ«ã®æ›´æ–°ãŒã§ãã¦ã„ã¾ã™ã‹ï¼Ÿã€ã¨ã„ã†ã“ã¨ã«ã¤ã„ã¦ã€è€ƒãˆã¦ã¿ã¾ã—ã‚‡ã†ã€‚ ã‚ãªãŸã¯ã‚ã‚‹ã‚µãƒ¼ãƒä¸Šã®ãƒ•ã‚¡ã‚¤ãƒ«ã®æ›´æ–°ã‚’ä¾é ¼ã•ã‚Œã€ã‚‚ã‚‰ã£ãŸãƒ•ã‚¡ã‚¤ãƒ«ã‚’ã‚µãƒ¼ãƒä¸Šã§ã‚³ãƒ”ãƒ¼ã—ã¦ä¸Šæ›¸ãã—ã¾ã—ãŸã€‚ã—ã°ã‚‰ãã—ã¦ã€ãƒ‡ãƒ¼ã‚¿ã«ç•°å¸¸ãŒç™ºç”Ÿã—ãŸã®ã§èª¿ã¹ã¦æ¬²ã—ã„ã¨è¨€ã‚ã‚Œã¾ã—ãŸã€‚ã•ã¦ã€ä½•ãŒèµ·ã
korin 2013/10/10
filesystem

linux

UNIX
ãƒªãƒ³ã‚¯
XFS FAQ - xfs.org
3Q: Where can I find information about the internals of XFS?
korin 2012/04/05
xfs

filesystem
ãƒªãƒ³ã‚¯
CG = Cloud Graphics: XFS ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚° @2TB/æ˜ åƒç”¨
08/12/02 XFS ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚° @2TB/æ˜ åƒç”¨ ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã‚’åˆ—æŒ™ã€‚ã¾ãšã¯ mkfs æ™‚ã®ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã€‚ sudo mkfs -t xfs -l size=128m -i size=512 -f /dev/md0 ã‚¢ãƒã‚±ãƒ¼ã‚·ãƒ§ãƒ³ãƒ»ãƒ–ãƒãƒƒã‚¯ã‚µã‚¤ã‚ºã®å¤‰æ›´ã¯å¤±æ•—ã—ãŸã€‚Ubuntu Server 8.10 x64 ã§ã¯ mount ã§ããªããªã£ãŸã®ã§ã€ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ä¸æ¢ã€‚ ã‚¸ãƒ£ãƒ¼ãƒŠãƒ«ã®ã‚µã‚¤ã‚º(-l size=128m)ã€‚åŠ¹æžœã‚ã‚‹ã£ã½ã„ã€‚ inodeã‚µã‚¤ã‚º ã®å¤‰æ›´(-i size=512)ã€‚åŠ¹æžœã¯å¾®å¦™ã€‚é€£ç•ªã®ãƒãƒ³ãƒ‰ãƒªãƒ³ã‚°ãŒå¤šå°‘è‰¯ããªã‚‹ï¼Ÿ agcount ã¯ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆ(32)ãŒæœ€ã‚‚ãƒãƒ©ãƒ³ã‚¹ãŒè‰¯ã‹ã£ãŸã®ã§ã€å¤‰æ›´ç„¡ã—ã€‚ mount ã¯ä»¥ä¸‹ã®ã‚ˆã†ãªæ„Ÿã˜ã€‚ sudo mount -t xfs -o noatime,nodiratime,osyncisdsync,logbufs=8 /dev/md0 /
korin 2012/04/05
xfs

filesystem

linux
ãƒªãƒ³ã‚¯
Ceph - ãƒ•ãƒ„ãƒ¼ãªæ—¥å¸¸
2.6.34ã‹ã‚‰Linus treeã«çµ±åˆã•ã‚ŒãŸã®ã§ã€ã©ã‚“ãªã‚‚ã‚“ã‹èª¿ã¹ã¦ã¿ãŸ Cephã¨ã„ã†ã®ã¯åˆ†æ•£ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã§ã‚ã‚‹ã‚‰ã—ã„ã€‚ç‰¹å¾´ã¨ã—ã¦ã¯ã‚¹ã‚±ãƒ¼ãƒ©ãƒ“ãƒªãƒ†ã‚£ã§ã‚ã‚‹ã‚ˆã†ã ã‘ã©ã€ä»–ã®å®Ÿè£…ã¨ã®é•ã„ã¯ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ãƒŽãƒ¼ãƒ‰ã«OSDã‚’ä½¿ã£ã¦ã„ã‚‹ã“ã¨ã®ã‚ˆã†ã ã€‚ OSDã¨ã¯ä½•ãžã‚„ http://www.ibm.com/developerworks/jp/linux/library/l-nilfs-exofs/ http://www.atmarkit.co.jp/flinux/rensai/watch2009/watch06a.html ã“ã®2ã¤ã®è¨˜äº‹ã«éžå¸¸ã«ã‚ã‹ã‚Šæ˜“ã„èª¬æ˜ŽãŒã‚ã‚‹ã®ã§ã€ã‚‚ã¯ã‚„è¿½åŠ ã™ã‚‹ã¹ãã‚‚ã®ã¯ãªã„ã®ã ã‘ã©ã€‚ ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ãŒå®Ÿéš›ã«ãƒ‡ã‚£ã‚¹ã‚¯ã«ãƒ‡ãƒ¼ã‚¿ã‚’è¨˜éŒ²ã™ã‚‹ãŸã‚ã«ã¯ä»¥ä¸‹ã®ã‚ˆã†ãª4ã¤ã®ç©ºé–“ã§ã®æƒ…å ±ã®ãƒžãƒƒãƒ”ãƒ³ã‚°ã‚’è¡Œãªã£ã¦ã„ã‚‹ã¨æ€ã†ã€‚ ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ çš„ãªãƒ‘ã‚¹ç©ºé–“ inodeç•ªå·ç©ºé–“ ãƒ‡ã‚£ã‚¹ã‚¯ãƒ–ãƒãƒƒ
korin 2010/05/23
iscsi

ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹

filesystem

linux
ãƒªãƒ³ã‚¯
ZFSã¯RAIDã¨ç›¸æ€§ãŒæ‚ªã„
æ—¥æœ¬æœ€å¼·ã®çœ‹æ¿ã‚’ä¸‹ã‚ã—ãŸãƒŸãƒ©ãƒ¼ã‚µãƒ¼ãƒftp.jaist.ac.jpã®ç®¡ç†è€…ã®ä¸€äººãŒã€ ã“ã®ã‚µãƒ¼ãƒã«ã¾ã¤ã‚ã‚‹ã‚ˆã—ãªã—ã”ã¨ã‚’èªžã‚Šã¾ã™ã€‚ English versions of some posts on another blog. Sun Fire T2000ã«ã¯æœ€åˆã€2Gbpsã®Fibre Channelã«å¯¾å¿œã—ãŸSATAã®ãƒ‡ã‚£ã‚¹ã‚¯ã‚¢ãƒ¬ã‚¤ã‚’2åŸºã¤ãªã„ã§ã„ã¾ã—ãŸã€‚ãã‚Œãžã‚Œ14D+1P+1Sã®RAID 5ã«ã—ã¦ã€2ã¤ã®vdevã§ZFSã®poolã‚’1ã¤ä½œã‚Šã¾ã—ãŸã€‚ã“ã‚Œã¯RAID 5+0ã«ç›¸å½“ã—ã¾ã™ã€‚ ã—ã‹ã—ã€ã“ã®æ§‹æˆã¯ã¾ã£ãŸãæ€§èƒ½ãŒå‡ºã¾ã›ã‚“ã§ã—ãŸã€‚è² è·ãŒã»ã¼100%ã®ã¨ãã«ãƒ‡ã‚£ã‚¹ã‚¯ã‚¢ãƒ¬ã‚¤1åŸºã‚ãŸã‚Šã§ç´„20MB/sã—ã‹å‡ºã¾ã›ã‚“ã€‚1åŸº20MB/sãªã‚‰2åŸºåˆã‚ã›ã¦40MB/sã€ãƒ“ãƒƒãƒˆã«ã™ã‚‹ã¨320Mbpsã€ARCã®åŠ©ã‘ã‚’å€Ÿã‚Šã¦ã‚‚ã€ftp.jaist.ac.jpã®å‡ºåŠ›å¸¯åŸŸã¯450MbpsãŒã„ã„ã¨ã“ã‚ã§ã—ãŸ
korin 2009/10/07
filesystem

raid

server
ãƒªãƒ³ã‚¯
ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã§Hello World
Spring Bootã«ã‚ˆã‚‹APIãƒãƒƒã‚¯ã‚¨ãƒ³ãƒ‰æ§‹ç¯‰å®Ÿè·µã‚¬ã‚¤ãƒ‰ ç¬¬2ç‰ˆ ä½•åƒäººã‚‚ã®é–‹ç™ºè€…ãŒã€InfoQã®ãƒŸãƒ‹ãƒ–ãƒƒã‚¯ã€ŒPractical Guide to Building an API Back End with Spring Bootã€ã‹ã‚‰ã€Spring Bootã‚’ä½¿ã£ãŸREST APIæ§‹ç¯‰ã®åŸºç¤Žã‚’å¦ã‚“ã ã€‚ã“ã®æœ¬ã§ã¯ã€å‡ºç‰ˆæ™‚ã«æ–°ã—ããƒªãƒªãƒ¼ã‚¹ã•ã‚ŒãŸãƒãƒ¼ã‚¸ãƒ§ãƒ³ã§ã‚ã‚‹ Spring Boot 2 ã‚’ä½¿ç”¨ã—ã¦ã„ã‚‹ã€‚ã—ã‹ã—ã€Spring Boot3ãŒæœ€è¿‘ãƒªãƒªãƒ¼ã‚¹ã•ã‚Œã€é‡è¦ãªå¤‰...
korin 2009/08/03
filesystem

fs

FUSE

ruby

tutorial

windows
ãƒªãƒ³ã‚¯
Disk Allocation Viewer
DAVLã¨ã¯ DAVLã®æ©Ÿèƒ½æ¦‚è¦ ã‚¹ã‚¯ãƒªãƒ¼ãƒ³ã‚·ãƒ§ãƒƒãƒˆ ãƒªãƒ³ã‚¯ ã“ã®ãƒ—ãƒã‚°ãƒ©ãƒ ã®ä¸€éƒ¨ã¯ã€ã€Œç‹¬ç«‹è¡Œæ”¿æ³•äººã€€æƒ…å ±å‡¦ç†æŽ¨é€²æ©Ÿæ§‹ã€€ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢æ´»ç”¨åŸºç›¤æ•´å‚™äº‹æ¥ã€ã« ä¿‚ã‚‹å§”è¨—æ¥å‹™ã®ä¸€ç’°ã¨ã—ã¦é–‹ç™ºã—ã¾ã—ãŸã€‚ DAVLã¨ã¯ DAVL(Disk Allocation Viewer for Linux) ã¯Linuxãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ext2/ext3ã® ãƒ•ãƒ©ã‚°ãƒ¡ãƒ³ãƒ†ãƒ¼ã‚·ãƒ§ãƒ³çŠ¶æ³ã‚’å¯è¦–åŒ–ã™ã‚‹ãƒ„ãƒ¼ãƒ«ãƒ—ãƒã‚°ãƒ©ãƒ ã§ã™ã€‚ ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã®ãƒžã‚¦ãƒ³ãƒˆçŠ¶æ³ã«ã‚ˆã‚‰ãšãƒ•ãƒ©ã‚°ãƒ¡ãƒ³ãƒ†ãƒ¼ã‚·ãƒ§ãƒ³çŠ¶æ³ã‚’å–å¾—ã§ãã€ ãã‚Œã‚’ãƒ†ã‚ã‚¹ãƒˆå½¢å¼ã§å‡ºåŠ›ã—ãŸã‚Šã€GUI è¡¨ç¤ºã—ãŸã‚Šã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ DAVLãƒ—ãƒã‚°ãƒ©ãƒ DAVLã¯ä¸‹è¨˜ã®ï¼’ã¤ã®ãƒ—ãƒã‚°ãƒ©ãƒ ã‚ˆã£ã¦æ§‹æˆã•ã‚Œã¦ã„ã¾ã™ã€‚ ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ æƒ…å ±å–å¾—ãƒ—ãƒã‚°ãƒ©ãƒ ãƒ‡ã‚£ã‚¹ã‚¯å‰²ã‚Šå½“ã¦å¯è¦–åŒ–ãƒ—ãƒã‚°ãƒ©ãƒ ã¾ãŸã€DAVLã«ã¯æ¬¡ã®ã‚«ãƒ¼ãƒãƒ«ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã‚‚å«ã¾ã‚Œã¦ã„ã¾ã™ã€‚ ãƒ•ã‚¡ã‚¤ãƒ«ãƒ–ãƒãƒƒã‚¯æƒ…å ±å–å¾—ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«
korin 2009/01/23
filesystem

linux

ext3
ãƒªãƒ³ã‚¯
Hadoopã€hBaseã§æ§‹ç¯‰ã™ã‚‹å¤§è¦æ¨¡åˆ†æ•£ãƒ‡ãƒ¼ã‚¿å‡¦ç†ã‚·ã‚¹ãƒ†ãƒ ï¼šCodeZine
ã¯ã˜ã‚ã«ã€€ã“ã®é€£è¼‰ã§ã¯ã€å¤§è¦æ¨¡åˆ†æ•£è¨ˆç®—ãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ã€ŒHadoopã€ã¨ã€ãã®ä¸Šã«ã¤ãã‚‰ã‚ŒãŸå¤§è¦æ¨¡åˆ†æ•£ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã€ŒhBaseã€ã®ä»•çµ„ã¿ã¨ç°¡å˜ãªã‚µãƒ³ãƒ—ãƒ«ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚’ç´¹ä»‹ã—ã¾ã™ã€‚Hadoopã¨hBaseã¯ã€Googleã®åŸºç›¤ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã®ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã‚¯ãƒãƒ¼ãƒ³ã§ã™ã€‚æ©Ÿèƒ½ã‚„ã‚³ãƒ³ã‚»ãƒ—ãƒˆã«ã¤ã„ã¦ã¯ã€GoogleãŒç™ºè¡¨ã—ã¦ã„ã‚‹å¦è¡“è«–æ–‡ã«ä¾ã£ã¦ã„ã¾ã™ã€‚ã€€ã“ã‚Œã‚‰ã®å¦è¡“è«–æ–‡ã«ã‚ˆã‚‹ã¨ã€Googleã§ã¯å¤§è¦æ¨¡åˆ†æ•£ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã€ŒGoogle File Systemã€ã€å¤§è¦æ¨¡åˆ†æ•£è¨ˆç®—ãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ã€ŒMapReduceã€ã€å¤§è¦æ¨¡åˆ†æ•£ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã€ŒBigTableã€ã€åˆ†æ•£ãƒãƒƒã‚¯ã‚µãƒ¼ãƒ“ã‚¹ã€ŒChubbyã€ã¨ã„ã†4ã¤ã®ã‚¤ãƒ³ãƒ•ãƒ©ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ãŒä½¿ã‚ã‚Œã¦ã„ã¾ã™ã€‚ å›³1ã«Googleã®åŸºç›¤æŠ€è¡“é–“ã®ä¾å˜é–¢ä¿‚ã€ãã—ã¦ãã‚Œã«å¯¾å¿œã™ã‚‹OSSã®å¯¾å¿œé–¢ä¿‚ã‚’ç¤ºã—ã¾ã—ãŸã€‚ã¾ãšã¯å¯¾å¿œã™ã‚‹Googleã®åŸºç›¤æŠ€è¡“ãã‚Œãžã‚Œã®æ©Ÿèƒ½ã‚„ç‰¹å¾´ã‚’ã–ã£ãã‚Šã¨
korin 2008/05/10
mapreduce

hbase

hadoop

google

filesystem

distributed
ãƒªãƒ³ã‚¯
ï¼»PostgreSQLã‚¦ã‚©ãƒƒãƒï¼½ç¬¬11å›ž PostgreSQLãƒ™ãƒ¼ã‚¹ã®ãƒ•ã‚¡ã‚¤ãƒ«ãƒ»ã‚·ã‚¹ãƒ†ãƒ psqlfsç™»å ´ï¼
ï¼»PostgreSQLã‚¦ã‚©ãƒƒãƒï¼½ç¬¬11å›ž PostgreSQLãƒ™ãƒ¼ã‚¹ã®ãƒ•ã‚¡ã‚¤ãƒ«ãƒ»ã‚·ã‚¹ãƒ†ãƒ psqlfsç™»å ´ï¼ psqlfsã¯Edward Macnaghtenæ°ã«ã‚ˆã£ã¦æ›¸ã‹ã‚ŒãŸãƒ„ãƒ¼ãƒ«ã§ï¼Œãƒ•ã‚¡ã‚¤ãƒ«ãƒ»ã‚·ã‚¹ãƒ†ãƒ ã®å®Ÿä½“ã¨ã—ã¦ï¼ŒPostgreSQLãŒä½¿ç”¨ã§ãã‚‹ã¨ã„ã†ã‚‚ã®ã§ã‚ã‚‹ã€‚ Macnaghtenæ°ã€ŒSQLã‚¨ãƒ³ã‚¸ãƒ³ãŒã•ã‚‰ã«ã‚¹ã‚±ãƒ¼ãƒ©ãƒ–ãƒ«ã«ãªã£ã¦ã„ã‘ã°ï¼Œä½•ä¸‡ã‚‚ã®ãƒ¦ãƒ¼ã‚¶ãƒ¼ãŒåŒæ™‚ã«ãƒ†ãƒ©ãƒã‚¤ãƒˆç´šã®1ã¤ã®ãƒ•ã‚¡ã‚¤ãƒ«ãƒ»ã‚·ã‚¹ãƒ†ãƒ ã‚’å…±æœ‰ã§ãã‚‹ã‚ˆã†ã«ãªã‚‹ã€‚ã‚¹ãƒˆã‚¢ãƒ‰ãƒ»ãƒ—ãƒã‚¸ã‚¸ãƒ£ã‚’ä½¿ã£ã¦ï¼Œãƒªã‚¢ãƒ«ã‚¿ã‚¤ãƒ ã«ã‚¯ãƒã‚¹ãƒ»ãƒªãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹ã‚’å–ã‚‹ã“ã¨ã‚‚å¯èƒ½ã«ãªã‚‹ã‹ã‚‚ã—ã‚Œãªã„ã€ã¨è¿°ã¹ã¦ã„ã‚‹ã€‚ ã€Œã‚‚ã£ã¨ã‚‚ï¼Œä»Šã®ã¨ã“ã‚ã¯funã¨proof of conceptã€ã¨Macnaghtenæ°ã¯ã„ã†ãŒï¼Œã“ã®ã¨ã“ã‚ï¼Œç±³MicrosoftãŒé–‹ç™ºä¸ã®WinFSã®ã‚ˆã†ã«ï¼Œãƒ•ã‚¡ã‚¤ãƒ«ãƒ»ã‚·ã‚¹ãƒ†ãƒ è‡ªä½“ã«æ¤œç´¢æ©Ÿèƒ½ã‚’æŒãŸã›ã‚‹ã¨ã„ã†ãƒˆãƒ¬ãƒ³ãƒ‰ãŒã‚ã‚‹ã€‚psqlfsã¯æ„å¤–ã«å¯èƒ½æ€§ã‚’ç§˜
korin 2007/06/29
filesystem
ãƒªãƒ³ã‚¯
Pgfs: The PostGres File System | Linux Journal
korin 2007/06/29
filesystem
ãƒªãƒ³ã‚¯
http://www.edlsystems.com/psqlfs/
korin 2007/06/29
filesystem
ãƒªãƒ³ã‚¯
åˆ†æ•£ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ /ãƒ–ãƒãƒƒã‚¯ãƒ‡ãƒã‚¤ã‚¹ã‚’ã¾ã¨ã‚ã‚‹ - Blog by Sadayuki Furuhashi
æ˜¨æ—¥KLabå‹‰å¼·ä¼š#2ã®è³‡æ–™ã‚’å…¬é–‹ã—ã¾ã—ãŸãŒã€ãã®ä¸ã§å‹•çš„ãªåˆ†æ•£ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã‚’è¨è¨ˆã—ã¦ã„ã‚‹ã¨æ›¸ãã¾ã—ãŸã€‚åˆ†æ•£ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã¨ã„ã†ã®ã¯æ—¢ã«ã„ã‚ã„ã‚å˜åœ¨ã—ã¦ã„ã‚‹ã‚ã‘ã§ã™ãŒã€æƒ…å ±ãŒåˆ†æ•£ã—ã¦ã„ã¦ã‚µãƒƒãƒ‘ãƒªåˆ†ã‹ã‚‰ãªã„ã®ã§ã€ã“ã®ã‚ãŸã‚Šã§ã¾ã¨ã‚ã¦ã¿ãŸã„ã¨æ€ã„ã¾ã™ã€‚ é–“é•ã£ã¦ã„ãŸã‚Šå¤ã‹ã£ãŸã‚Šã™ã‚‹ã«é•ã„ãªã„ã®ã§ã€æ£ç¢ºãªæƒ…å ±ã¯æœ¬å®¶ã®æƒ…å ±ã‚’å‚ç…§ã—ã¦ãã ã•ã„ã€‚ ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ãƒ¬ã‚¤ãƒ¤ãƒ¼ NFS GFS(Global File System) OCFS GlusterFS Lustre ä¸‹ä½ãƒ¬ã‚¤ãƒ¤ãƒ¼ Filesystem Block Device Block Device Filesystem Block Device èªã¿è¾¼ã¿ â—‹ â—‹ â—‹ â—‹ â—‹ æ›¸ãè¾¼ã¿ â—‹ â—‹ â—‹ â—‹ â—‹ ã‚¢ã‚¯ã‚»ã‚¹ã®å†—é•·åŒ– Ã— â—‹ â—‹ â—‹ï¼ˆè² è·åˆ†æ•£ã¨æŽ’ä»–ï¼‰ Ã— ãƒ‡ãƒ¼ã‚¿ã®å†—é•·åŒ– ä¸‹ä½ãƒ¬ã‚¤ãƒ¤ãƒ¼ã«ä¾å˜ ä¸‹ä½ãƒ¬ã‚¤ãƒ¤ãƒ¼ã«ä¾å˜ ä¸‹ä½ãƒ¬ã‚¤ãƒ¤ãƒ¼ã«ä¾å˜ â—‹
korin 2007/06/29
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filesystem

dfs

linux
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