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

dealforest id:dealforest

filesystemã«é–¢ã™ã‚‹dealforestã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (7)

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

${{author_name}}$
{{author_name}}{{created}}
{{ #comment }}{{ comment }}{{ /comment }}
- {{ label }}

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

æ¬¡ä¸–ä»£ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã€ŒTux3ã€ã€Linux ã‚«ãƒ¼ãƒãƒ«ã®ãƒ¡ã‚¤ãƒ³ãƒ©ã‚¤ãƒ³å…¥ã‚Šã¸ | ã‚¹ãƒ©ãƒ‰
ã‚¹ãƒˆãƒ¼ãƒªãƒ¼ by reo 2009å¹´08æœˆ12æ—¥ 13æ™‚30åˆ† æ„å¤–ã« /.J ã§å–ã‚Šä¸Šã’ã‚‰ã‚Œã¦ãªã‹ã£ãŸ Tux3 éƒ¨é–€ã‚ˆã‚Š Linux å‘ã‘ã®æ–°ãŸãªãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã€ŒTux3ã€ãŒã€Linux ã‚«ãƒ¼ãƒãƒ«ã®ãƒ¡ã‚¤ãƒ³ãƒ©ã‚¤ãƒ³ã«ãƒžãƒ¼ã‚¸ã•ã‚Œã‚‹ã‚ˆã†ã (Tux3 ã®é–‹ç™ºè€…ã§ã‚ã‚‹ Daniel Phillips æ°ãŒ LKML ã«æŠ•ç¨¿ã—ãŸãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ã€Phoronix ã®è¨˜äº‹)ã€‚ Tux3 ã¯ãƒãƒ¼ã‚¸ãƒ§ãƒ³ç®¡ç†æ©Ÿæ§‹ã‚’å‚™ãˆãŸãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã§ã€i ãƒŽãƒ¼ãƒ‰ãƒ†ãƒ¼ãƒ–ãƒ«ã‚’ãƒãƒ¼ã‚¸ãƒ§ãƒ³å±žæ€§ä»˜ãã® B æœ¨ã¨ã—ã¦å®Ÿè£…ã—ã¦ã„ã‚‹ã®ãŒç‰¹å¾´ã€‚ã“ã‚Œã«ã‚ˆã‚Šã€ãƒ•ã‚¡ã‚¤ãƒ«ã‚„ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã€ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã”ã¨ã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ç®¡ç†ã‚’å®Ÿç¾ã—ã¦ã„ã‚‹ãã†ã ã€‚
dealforest 2009/08/14
linux

filesystem

Tux3
ãƒªãƒ³ã‚¯
Mac OSXã®ãƒ•ã‚¡ã‚¤ãƒ«å¤‰åŒ–ã‚’ãƒã‚®ãƒ³ã‚°ã™ã‚‹Â·FSLogger MOONGIFT
Mac OSXã«ã¯Spotlightã¨è¨€ã†ãƒãƒ¼ã‚«ãƒ«æ¤œç´¢ã‚¨ãƒ³ã‚¸ãƒ³ãŒçµ„ã¿è¾¼ã¾ã‚Œã¦ã„ã‚‹ã€‚OSã«çµ±åˆã•ã‚Œã¦ã„ã‚‹ã®ã§é•å’Œæ„Ÿãªãä½¿ãˆã‚‹ã®ãŒé…åŠ›ã§ã€ã‹ã¤æ¦‚ãæº€è¶³ã„ãçµæžœãŒè¿”ã£ã¦ãã‚‹ã€‚ãƒ©ãƒ³ãƒãƒ£ãƒ¼ä»£ã‚ã‚Šã«ä½¿ã£ã¦ã„ã‚‹ã¨ã„ã†äººã‚‚å¤šã„ã®ã§ã¯ãªã„ã ã‚ã†ã‹ã€‚ ãƒ•ã‚¡ã‚¤ãƒ«ã®å¤‰åŒ–ã‚’ãƒã‚®ãƒ³ã‚°ã™ã‚‹ ãã‚“ãªSpotlightã®ãƒ¡ã‚«ãƒ‹ã‚ºãƒ ã‚’åˆ©ç”¨ã—ã¦é–‹ç™ºã•ã‚ŒãŸã®ãŒFSLoggerã ã€‚ ä»Šå›žç´¹ä»‹ã™ã‚‹ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ãƒ»ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã¯FSLoggerã€ãƒ•ã‚¡ã‚¤ãƒ«å¤‰åŒ–ã®ãƒã‚®ãƒ³ã‚°ã‚’è¡Œã†ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã ã€‚ FSLoggerã¯ã‚¿ãƒ¼ãƒŸãƒŠãƒ«ä¸Šã§å‹•ä½œã™ã‚‹ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã ã€‚å®Ÿè¡Œã«ã¯ç®¡ç†è€…æ¨©é™ãŒå¿…è¦ã«ãªã‚‹ã€‚èµ·å‹•ã—ãŸã‚‰å¾Œã¯æ”¾ç½®ã—ã¦ãŠãã ã‘ã§è‰¯ã„ã€‚ãƒã‚®ãƒ³ã‚°ãŒé–‹å§‹ã•ã‚Œã€ä½•ã‹ãƒ•ã‚¡ã‚¤ãƒ«ã®å¤‰åŒ–ãŒã‚ã‚‹åº¦ã«åˆ—æŒ™ã•ã‚Œã¦ã„ãã¯ãšã ã€‚ ãƒ•ã‚¡ã‚¤ãƒ«ã¯ãŸã ä½œæˆã•ã‚Œã‚‹ã ã‘ã§ã¯ãªãã€ãƒ†ãƒ³ãƒãƒ©ãƒªã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ä½œã£ã¦ã‹ã‚‰ç§»å‹•ã™ã‚‹ã‚‚ã®ã‚‚ã‚ã‚‹ã€‚ãã®ã‚ˆã†ãªå¤‰åŒ–ã‚’è¦‹ã¦ã„ãæ™‚ã«ä¾¿åˆ©ã ã‚ã†ã€‚ãƒãƒ¼ã‚«ãƒ«ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§
dealforest 2009/06/28
mac

filesystem

log
ãƒªãƒ³ã‚¯
Linux ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚° - Ext3 ã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã‚’æœ€å¤§åŒ–ã•ã›ã‚‹
ã˜ã¤ã¯è‡ªå®…ã‚µãƒ¼ãƒã®ãƒãƒ¼ãƒ‰ã‚¢ãƒ™ãƒ¬ãƒ¼ã‚¸ãŒä¸ŠãŒã‚Šç¶šã‘ã¦ã„ã¾ã™ã€‚åˆ†æžã®çµæžœã€ãƒœãƒˆãƒ«ãƒãƒƒã‚¯ã¯ I/O å‡¦ç†ã§ã—ãŸã€‚CPU ã¯ Athlon64 X2 4400+ ã§ã™ãŒã€ã¾ã ã¾ã å½“åˆ†ã“ã® CPU ã§é–“ã«åˆã„ãã†ã§ã™ã€‚HDD ã¯å½“æ™‚ã¯ 7200 å›žè»¢ã§æœ€é€Ÿã ã£ãŸ HITACHI Deskstar T7K250 SATA2 250GB ã‚’ RAID1 æ§‹æˆã«ã—ãŸã®ã§ã™ãŒã€ä»Šæ€ãˆã°é€Ÿåº¦å„ªå…ˆã§ RAID0 ã«ã—ã¦ãŠã‘ã°è‰¯ã‹ã£ãŸã¨å°‘ã—ã ã‘å¾Œæ‚”ã€‚ I/O ãŒãƒœãƒˆãƒ«ãƒãƒƒã‚¯ã«æˆã£ã¦ã„ã‚‹ç†ç”±ã§ã™ãŒã€Drk7jp ãŒå…¬é–‹ã—ã¦ã„ã‚‹ã‚µãƒ¼ãƒ“ã‚¹ã®å…¨ã¦ãŒã‚ãƒ£ãƒƒã‚·ãƒ¥ãƒ•ã‚¡ã‚¤ãƒ«ã‚’åˆ©ç”¨ã—ãŸé«˜é€ŸåŒ–æ‰‹æ³•ã‚’å–ã£ã¦ã„ã‚‹ã®ã§ã™ãŒã€å˜ç´”ã«ãã‚Œã‚‰ãƒ•ã‚¡ã‚¤ãƒ«ã® write å‡¦ç†ãŒè¿½ã„ã¤ã„ã¦ã„ã¾ã›ã‚“ã€‚å¸¸ã«ä½•ã‚‰ã‹ã®ãƒ—ãƒã‚»ã‚¹ã§ I/O å¾…ã¡çŠ¶æ…‹ãŒç™ºç”Ÿã—ã¦ã„ã‚‹ã‚ˆã†ãªçŠ¶æ³ã§ã™ã€‚æŠœæœ¬çš„ãªè§£æ±ºæ–¹æ³•ã¨ã—ã¦ã¯ disk ã‚’é«˜é€Ÿãªã‚‚ã®ã«äº¤æ›ã™ã‚‹ä»¥å¤–ã‚ã‚Šã¾ã›ã‚“ã€‚ ã¨ã„ã†ã‚ã‘ã§
dealforest 2009/05/04
data=writeback ãƒ‡ãƒ¼ã‚¿ã®é †ç•ªã¯ä¿å˜ã•ã‚Œãªã„ã€‚ãƒ¡ã‚¿ãƒ‡ãƒ¼ã‚¿ãŒã‚¸ãƒ£ãƒ¼ãƒŠãƒ«ã«è¨˜éŒ²ã•ã‚ŒãŸå¾Œã§ã€ãƒ‡ãƒ¼ã‚¿ãŒãƒ¡ã‚¤ãƒ³ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã«æ›¸ãè¾¼ã¾ã‚Œã‚‹ã€‚ã“ã‚Œã¯ã‚¹ãƒ«ãƒ¼ãƒ—ãƒƒãƒˆã‚’é«˜ãã™ã‚‹ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã‚‰ã—ã„ã€‚ã“ã®ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã¯å†…éƒ¨ãƒ•ã‚¡ã‚¤ãƒ«ã‚·

linux

filesystem

ext3
ãƒªãƒ³ã‚¯
ä»™çŸ³æµ©æ˜Žã®æ—¥è¨˜: NFS ã¨ AUFS (Another Unionfs) ã‚’ä½¿ã£ã¦ã€ãƒ‡ã‚£ã‚¹ã‚¯ãƒ¬ã‚¹ (diskless) ã‚µãƒ¼ãƒç¾¤ã‹ã‚‰ãªã‚‹ä½Žã‚³ã‚¹ãƒˆãƒ»é«˜å¯ç”¨ãªå¤§è¦æ¨¡è² è·åˆ†æ•£ã‚·ã‚¹ãƒ†ãƒ ã‚’æ§‹ç¯‰ã™ã‚‹
ãƒ‡ã‚£ã‚¹ã‚¯ãƒ¬ã‚¹ (diskless) ã‚µãƒ¼ãƒã‚’å¤šæ•°é‹ç”¨ã—ã‚ˆã†ã¨ã—ãŸã¨ããƒãƒƒã‚¯ã¨ãªã‚‹ã®ãŒã€ NAS (Network Attached Storage) ã‚µãƒ¼ãƒã®æ€§èƒ½ã€‚ å¤šæ•°ã®ãƒ‡ã‚£ã‚¹ã‚¯ãƒ¬ã‚¹ã‚µãƒ¼ãƒã‚’è³„ãˆã€ã‹ã¤é«˜ä¿¡é ¼ãª NAS ã‚µãƒ¼ãƒã¨ãªã‚‹ã¨ã€ ã©ã†ã—ã¦ã‚‚é«˜ä¾¡ãªã‚‚ã®ã«ãªã‚ŠãŒã¡ã§ã‚ã‚Šã€ NAS ã‚µãƒ¼ãƒæœ¬ä½“ã®ä¾¡æ ¼ã‚‚ã•ã‚‹ã“ã¨ãªãŒã‚‰ã€ ãƒ‡ã‚£ã‚¹ã‚¯ãŒå£Šã‚ŒãŸã¨ãã®äº¤æ›ä½“åˆ¶ãªã©ã®ä¿å®ˆé‹ç”¨è²»ç”¨ã‚‚é«˜ãã¤ãã€‚ ãã‚Œã§ã‚‚ã€å¤šæ•°ã®ãƒãƒ¼ãƒ‰ãƒ‡ã‚£ã‚¹ã‚¯å†…è”µã‚µãƒ¼ãƒ (ã¤ã¾ã‚Šä¸€èˆ¬çš„ãªã‚µãƒ¼ãƒ) ã‚’ é‹ç”¨ã—ã¦å„ã‚µãƒ¼ãƒã®ãƒ‡ã‚£ã‚¹ã‚¯ã‚’æ—¥ã€…äº¤æ›ã—ç¶šã‘ã‚‹ (é‹ç”¨å°æ•°ãŒå¤šããªã‚‹ã¨ã€ æ¯Žé€±ã®ã‚ˆã†ã«ã©ã“ã‹ã®ãƒ‡ã‚£ã‚¹ã‚¯ãŒå£Šã‚Œã‚‹ã¨è¨€ã£ã¦ã‚‚éŽè¨€ã§ã¯ãªã„) ã‚ˆã‚Šã¯ã€ ãƒ‡ã‚£ã‚¹ã‚¯ã‚’ä¸€ãƒ¶æ‰€ã® NAS ã«ã¾ã¨ã‚ãŸã»ã†ãŒã¾ã å®‰ã„ã€ ã¨ã„ã†ã‚ã‘ã§ NAS/SAN ã¸ã®ã‚·ãƒ•ãƒˆã¯ä»Šå¾Œã‚‚é€²ã‚€ã ã‚ã†ã€‚ ãã‚‚ãã‚‚ CPU ã‚„ãƒ¡ãƒ¢ãƒªãªã©ã¨ãƒãƒ¼ãƒ‰ãƒ‡ã‚£ã‚¹ã‚¯ã¨ã§ã¯ã€ æ•…éšœçŽ‡ã®ã‚±ã‚¿ãŒé•ã†ã®ã ã‹ã‚‰
dealforest 2009/04/16
linux

filesystem

diskless
ãƒªãƒ³ã‚¯
ext3ã®ã‚¸ãƒ£ãƒ¼ãƒŠãƒ«(lost found)å†ä½œæˆ
2008å¹´05æœˆ11æ—¥06:09 ext3ã®ã‚¸ãƒ£ãƒ¼ãƒŠãƒ«(lost+found)å†ä½œæˆ ã‚«ãƒ†ã‚´ãƒªext3IT æŠ€è¡“ Linuxã®ext3ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã«ã‚ã‚‹lost+foundã¯ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã®ã‚¸ãƒ£ãƒ¼ãƒŠãƒ«ã§ã™ã€‚ã“ã‚Œã®ãŠã‹ã’ã§fsckãŒã™ãã«çµ‚ã‚ã‚Šã¾ã™ã€‚ã“ã‚Œã‚’é–“é•ã£ã¦æ¶ˆã—ãŸå ´åˆã‚„ãŠã‹ã—ããªã£ãŸå ´åˆã¯ä»¥ä¸‹ã®ã‚ˆã†ã«ã—ã¦å†ä½œæˆãŒã§ãã¾ã™ã€‚ ã¾ãšã¯ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã‚’ãƒã‚§ãƒƒã‚¯ umount /dev/sdc1 e2fsck -fn /dev/sdc1 ext2ã«ã„ã£ãŸã‚“æˆ»ã—ã¦ã€ext3ã«å¤‰æ›ã€‚ tune2fs -Ohas_journal /dev/sdc1 tune2fs -j /dev/sdc1 ã€Œext3ã€ã‚«ãƒ†ã‚´ãƒªã®æœ€æ–°è¨˜äº‹
dealforest 2009/01/07
linux

filesystem
ãƒªãƒ³ã‚¯
JSDokan ã§ JSON ã‚’ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã« - ã¦ã£ãç…®ãƒ–ãƒã‚°
JavaScript Windowsç‰ˆFUSE Dokan ãŒã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã«ãªã£ãŸã‚ˆï¼ï¼ - yukobaã®æ—¥è¨˜ ãŒé¢ç™½ãã†ã ã£ãŸã®ã§ã€ã¡ã‚‡ã£ã¨è§¦ã£ã¦ã¿ãŸã€‚Dokan ã¯ Windows ã§ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã‚’ä½œã‚‹ãŸã‚ã®ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã€‚C, .NET, Ruby ã‹ã‚‰æ°—è»½ã«ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ãŒä½¿ãˆã‚‹ã‚ˆã†ã«ãªã‚‹ã€‚ãã‚Œã‚’ id:yukoba ã•ã‚“ã¯ Java ã§å‹•ãã‚ˆã†ã«ã—ã¦ã€ã•ã‚‰ã« Rhino ã‚’ä½¿ã£ã¦ JavaScript è£½ã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã‚’ãƒ‡ãƒ¢ã—ã¦ã„ã‚‹ã€‚ãã‚Œãªã‚‰ã°ã€ã¨ C# çµŒç”±ã§ JScript ã‚’å©ããƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚’ä½œã£ã¦ã¿ãŸã€‚é¡Œã—ã¦ã€ŒJSDokanã€ã€‚JSDokan ã®ã‚µãƒ³ãƒ—ãƒ«ã€ŒJsonFSã€JSDokan ã‚’ä½¿ã£ãŸã‚µãƒ³ãƒ—ãƒ«ã¨ã—ã¦ JSON ã‚’ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã«ã™ã‚‹ã€ŒJsonFSã€ã¨ã„ã†ã®ã‚’ä½œã£ã¦ã¿ãŸã€‚ä¾‹ãˆã°ã€ã“ã®ã‚ˆã†ãª JSON ãŒ... private var json:Object
dealforest 2008/06/28
JSDokan

windows

filesystem

json

*ã«ã¨ã‚ˆã‚“
ãƒªãƒ³ã‚¯
Windowsç‰ˆFUSE Dokan ãŒã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã«ãªã£ãŸã‚ˆï¼ï¼ - yukobaã®ãƒ–ãƒã‚°
English blog Dokan(Windowsç‰ˆFUSE) ãŒã€æ˜¨æ—¥ã€ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹(LGPL)ã«ãªã‚Šã¾ã—ãŸï¼ http://decas-dev.net/2008/05/26/open-source-dokan-library-032-released/ FUSE ã¨ã¯ã€File system in User space ã®äº‹ã§ã€é€šå¸¸ã¯ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã‚’ä½œã‚‹ã«ã¯ã€ã‚«ãƒ¼ãƒãƒ«ãƒ¢ãƒ¼ãƒ‰ã§é–‹ç™ºã—ãªãã¦ãªãªã‚‰ãªã„ã®ã§ã™ãŒã€ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã¸ã®ã‚¢ã‚¯ã‚»ã‚¹ãŒã‚ã£ãŸéš›ã«ã€ã‚«ãƒ¼ãƒãƒ«ãƒ¢ãƒ¼ãƒ‰ã‹ã‚‰ãƒ¦ãƒ¼ã‚¶ãƒ¼ãƒ¢ãƒ¼ãƒ‰ã«ã‚³ãƒ¼ãƒ«ãƒãƒƒã‚¯ã™ã‚‹ã“ã¨ã«ã‚ˆã‚Šã€ãƒ¦ãƒ¼ã‚¶ãƒ¼ãƒ¢ãƒ¼ãƒ‰ã®ã‚¢ãƒ—ãƒªã¨ã—ã¦ã€ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã‚’ä½œã‚‹ã“ã¨ã‚’å¯èƒ½ã«ã™ã‚‹ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã®ã“ã¨ã§ã™ã€‚FUSE ãŒã‚ã‚‹ã“ã¨ã«ã‚ˆã‚Šã€ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã®ä½œæˆã¯åŠ‡çš„ã«æ¥½ã«ãªã‚Šã¾ã™ã€‚ Linux ã‚„ MacOSX ã® FUSE ã¯ã‚ã‚‹ã®ã§ã™ãŒã€Windows ç‰ˆã® FUSE ã¯ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ç‰ˆãŒ
dealforest 2008/06/28
windowsç‰ˆFUSE Dokan

windows

filesystem

ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹
ãƒªãƒ³ã‚¯
1