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

issm id:issm

filesystemã«é–¢ã™ã‚‹issmã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (31)

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Docker for Macã§ãƒžã‚¦ãƒ³ãƒˆã—ãŸvolumeã®é…ã•ã«å¯¾å‡¦ã™ã‚‹ Â· Lupus
çµè«– ãƒžã‚¦ãƒ³ãƒˆæ™‚ã«delegatedã‚ã‚‹ã„ã¯cachedã‚ªãƒ—ã‚·ãƒ§ãƒ³ã‚’ä»˜ã‘ã‚Œã°ã€ä¸€è²«æ€§ã‚’çŠ ç‰²ã«ã—ã¦é€Ÿåº¦ã‚’æ”¹å–„ã§ãã‚‹ã€‚ ãƒãƒ¼ã‚¸ãƒ§ãƒ³ Docker Desktop for Mac: 2.0.0.3 å›°ã£ãŸã“ã¨ Docker for Macã§ã®volumeãƒžã‚¦ãƒ³ãƒˆã¯éžå¸¸ã«é…ã„ã€‚ ãƒãƒ¼ã‚«ãƒ«ã«ã‚ã‚‹ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‚’ãƒžã‚¦ãƒ³ãƒˆã—ã¦é–‹ç™ºã™ã‚‹ã‚ˆã†ãªå ´åˆã€ å„ç¨®ãƒ“ãƒ«ãƒ‰ã‚„ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã€ä¸‹æ‰‹ã‚’ã™ã‚‹ã¨Webã‚µãƒ¼ãƒãƒ¼ã¸ã®ã‚¢ã‚¯ã‚»ã‚¹ã™ã‚‰è€ãˆã‚‰ã‚Œãªã„ã»ã©é…ããªã£ã¦ã—ã¾ã†ã€‚ è§£æ±ºç– ã“ã®å•é¡Œã«ã¯å…¬å¼ã«è§£æ±ºç–ãŒç¤ºã•ã‚Œã¦ãŠã‚Šã€ ãƒžã‚¦ãƒ³ãƒˆæ™‚ã«ç‰¹å®šã®ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã‚’æŒ‡å®šã™ã‚‹ã“ã¨ã§ã€ä¸€è²«æ€§ã¯çŠ ç‰²ã«ãªã‚‹ã‚‚ã®ã®é€Ÿåº¦ãŒåŠ‡çš„ã«æ”¹å–„ã™ã‚‹ã€‚ https://docs.docker.com/docker-for-mac/osxfs-caching/ è©³ç´°ãªè§£èª¬ã¯ä¸Šè¨˜ãƒšãƒ¼ã‚¸ã«è²ã‚‹ã¨ã—ã¦ã€æ¦‚è¦ã ã‘ã‚’è¨˜ã—ã¦ãŠãã€‚ delegatedã¯æœ€ã‚‚ä¿¡
issm 2020/09/08
docker

mac

filesystem
ãƒªãƒ³ã‚¯
hanhan's blog - Docker for Macã®mounté…ã„å•é¡Œã¾ã¨ã‚
docker for macã‚’ä½¿ã£ã¦ã„ã‚‹ãƒ¦ãƒ¼ã‚¶ãŒæŠ±ãˆã¦ã„ã‚‹å¤§å•é¡Œã€‚ãã‚ŒãŒ shared directory é…ã„å•é¡Œã€‚ã“ã®ã‚¨ãƒ³ãƒˆãƒªã§ã¯ã€ä½•æ•…é…ã„ã®ã‹ã€ã©ã†ã—ãŸã‚‰è‰¯ã„ã®ã‹ã‚’ã¾ã¨ã‚ãŸã€‚ ãƒ•ã‚©ãƒ¼ãƒ©ãƒ ã®å…ƒãƒã‚¿File access in mounted volumes extremely slow, CPU bound - Docker for Mac - Docker Forums Githubã®issueFile access in mounted volumes extremely slow Â· Issue #77 Â· docker/for-mac Â· GitHub â€»æ³¨ è¶…é•·ã„ ã©ã‚“ãªå•é¡ŒãŒèµ·ãã¦ã„ã‚‹ã®ã‹ï¼Ÿ Symfonyãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã§ãƒ–ãƒ©ã‚¦ã‚¶çµŒç”±ã§é–‹ç™ºç’°å¢ƒã«ã‚¢ã‚¯ã‚»ã‚¹ã™ã‚‹ã¨ãƒšãƒ¼ã‚¸è¡¨ç¤ºã«30ç§’ã‹ã‹ã‚‹ ã‚³ãƒ³ãƒ†ãƒŠå†…ã§ npm install ã™ã‚‹ã¨10åˆ†ä»¥ä¸ŠçµŒã£ã¦ã‚‚çµ‚ã‚ã‚‰ãªã„ ã‚³ãƒ³ãƒ†ãƒŠå†…ã§ gu
issm 2020/04/07
docker

mac

filesystem
ãƒªãƒ³ã‚¯
ãƒ•ã‚¡ã‚¤ãƒ«ã‚ªãƒ¼ãƒ—ãƒ³æ•°ãŒä¸Šé™å€¤ã«é”ã—ãŸ|ã–ã‚‹é‚
$ ulimit -a core file size (blocks, -c) 0 data seg size (kbytes, -d) unlimited scheduling priority (-e) 0 file size (blocks, -f) unlimited pending signals (-i) 114688 max locked memory (kbytes, -l) 32 max memory size (kbytes, -m) unlimited open files (-n) 1024 pipe size (512 bytes, -p) 8 POSIX message queues (bytes, -q) 819200 real-time priority (-r) 0 stack size (kbytes, -s) 10240 cpu time (secon
issm 2016/03/22
linux

filesystem

ulimit
ãƒªãƒ³ã‚¯
ã€ç¬¬1å›žã€‘GlusterFSã¨Elastic Hash Algorithmï½œã€æŠ€æ¥LOGã€‘æŠ€è¡“è€…ãŒç´¹ä»‹ã™ã‚‹NTTPCã®ãƒ†ã‚¯ãƒŽãƒã‚¸ãƒ¼ï½œã€å…¬å¼ã€‘NTTPC
ã‚»ã‚ãƒ¥ã‚¢ã‚¢ã‚¯ã‚»ã‚¹ã‚²ãƒ¼ãƒˆã‚¦ã‚§ã‚¤ ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£å°‚é–€ã®ã‚¹ã‚¿ãƒƒãƒ•ãŒã„ãªã„ä¼æ¥ã•ã¾ã§ã‚‚å®‰å…¨ã«åˆ©ç”¨ã§ãã‚‹ã‚µãƒ¼ãƒ“ã‚¹ã‚’ãŠæ±‚ã‚ã‚„ã™ã„ä¾¡æ ¼ã§ã”æä¾›ã„ãŸã—ã¾ã™ã€‚
issm 2015/11/20
glusterfs

filesystem

algorithm
ãƒªãƒ³ã‚¯
Filesystem Hierarchy Standard - Wikipedia
Filesystem Hierarchy Standardï¼ˆãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ãƒ»ãƒã‚¤ã‚¢ãƒ©ãƒ¼ã‚ãƒ¼ãƒ»ã‚¹ã‚¿ãƒ³ãƒ€ãƒ¼ãƒ‰ã€FHSã€ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ éšŽå±¤æ¨™æº–ï¼‰ã¯ã€Linuxã‚’å«ã‚€Unixç³»ã‚ªãƒšãƒ¬ãƒ¼ãƒ†ã‚£ãƒ³ã‚°ã‚·ã‚¹ãƒ†ãƒ (OS) ã§ã®ä¸»ãªãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã¨ãã®å†…å®¹ã‚’å®šã‚ãŸã‚‚ã®ã§ã‚ã‚‹ã€‚å¤§éƒ¨åˆ†ã«ãŠã„ã¦ã€BSDç³»ã®ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªéšŽå±¤ã‚’åŸºã«ã—ã¦æ‹¡å¼µã—å®šå¼åŒ–ã—ã¦ã„ã‚‹ã€‚ ä¸»è¦ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ãŠã‚ˆã³ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ãƒ™ãƒ³ãƒ€ãƒ¼ã‹ã‚‰ãªã‚‹éžå–¶åˆ©çµ„ç¹”Linux FoundationãŒä¿å®ˆç®¡ç†ã—ã¦ãŠã‚Šã€HPã€ãƒ¬ãƒƒãƒ‰ãƒãƒƒãƒˆã€IBMã€ãƒ‡ãƒ«ã¨ã„ã£ãŸãƒ™ãƒ³ãƒ€ãƒ¼ãŒå‚åŠ ã—ã¦ã„ã‚‹ã€‚ 2020å¹´11æœˆ)ç¾åœ¨ã®æœ€æ–°ç‰ˆã¯3.0ã§ã€2015å¹´6æœˆ3æ—¥ã«ç™ºè¡¨ã•ã‚ŒãŸ[1]ã€‚ å¤šãã®Linuxãƒ‡ã‚£ã‚¹ãƒˆãƒªãƒ“ãƒ¥ãƒ¼ã‚·ãƒ§ãƒ³ã¯FHSæº–æ‹ ã‚’æ–¹é‡ã¨ã—ã¦å®£è¨€ã—ã€FHSã«ã—ãŸãŒã£ã¦ã„ã‚‹[2][3][4][5]ã€‚ ã‚‚ã¨ã‚‚ã¨ã€UNIXã‚„Unixç³»OSã«ã¯ã€/etcã‚„/binã‚„/usrãªã©ã”ãåŸºæœ¬çš„ãªéƒ¨
issm 2014/11/07
linux

filesystem
ãƒªãƒ³ã‚¯
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å‰å›ž RAID ã«é–¢ã™ã‚‹ã¡ã‚‡ã£ã¨ã—ãŸè©±ã‚’æ›¸ãã¾ã—ãŸãŒå€‹äººãŒå·¨å¤§ãªã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã‚’é‹ç”¨ã™ã‚‹ã«ã‚ãŸã£ã¦å¾—ã‚‰ã‚ŒãŸãƒŽã‚¦ãƒã‚¦ã‚’ã ã„ãŸã„å…¨éƒ¨æ›¸ã„ã¦ãŠãã¾ã™ã€‚ ãã‚‚ãã‚‚ãƒ¡ãƒªãƒƒãƒˆã‚ã‚‹ã®ã‹ï¼Ÿ ãƒ¡ãƒªãƒƒãƒˆã¯ã‚ã‚Šã¾ã™ã€‚é‡‘ã§ã™ã€‚ Google Drive ã¯å®‰ã„ã§ã™ãŒã€ãã‚Œã§ã‚‚ 1TB æœˆ 1000 å††ã§ã™ã€‚ã—ã‹ã—é‹ç”¨ã«ã‹ãªã‚Šåˆ¶é™ãŒã§ã¾ã™ã€‚æŸ”è»Ÿã«ä½¿ãˆã‚‹ Amazon Web Service ãªã‚‰ãã® 3 å€+è»¢é€é‡èª²é‡‘ã§ã™ã€‚ 16TB ã ã¨æœˆ 5 ä¸‡å††ã‚‚ã‹ã‹ã£ã¦ã—ã¾ã„ã¾ã™ã€‚ã¡ãªã¿ã«ã‚‚ã£ã¨ã‚‚æŸ”è»Ÿã«ä½¿ãˆã‚‹ EBS ã ã¨ 16TB ã§ 83000 å††ãã‚‰ã„ã§ã™ã€‚ Google Compute Engine ã®ä½Žå†—é•·æ€§ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã¯ S3 ã‚ˆã‚Šå°‘ã—å®‰ã‹ã£ãŸæ°—ã¯ã™ã‚‹ã‘ã©åˆ¥ã«ã¨ã¦ã‚‚å®‰ã„ã‚ã‘ã§ã¯ãªã‹ã£ãŸã¨æ€ã†(ã‚ˆãè¦šãˆã¦ã„ãªã„ã—èª¿ã¹ã‚‹ã®ãŒã‚ã‚“ã©ãã•ã„)ã€‚ 50TB ã®ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã‚’ Google Drive ã§ã”ã¾ã‹ã—ã”ã¾ã‹ã—é‹ç”¨ã—ãŸã¨
issm 2014/08/13
storage

filesystem
ãƒªãƒ³ã‚¯
docker exportã¨docker importã§dockerã‚¤ãƒ¡ãƒ¼ã‚¸ã®ã‚µã‚¤ã‚ºã‚’å°ã•ãã™ã‚‹
Dockerã£ã¦ä½•ã‹ã‚„ã£ã¦ãã¨ã©ã‚“ã©ã‚“ãƒ‡ã‚£ã‚¹ã‚¯åœ§è¿«ã™ã‚‹ã‚ˆããƒ»ãƒ»ãƒ» Dockerã¯ç´ æ™´ã‚‰ã—ã„ã‚½ãƒªãƒ¥ãƒ¼ã‚·ãƒ§ãƒ³ã ã—ã€å¤±æ•—ã—ã¦ã‚‚å‰Šé™¤ã™ã‚Œã°ã„ã„ã¨ã„ã†å´é¢ã‹ã‚‰æ‰‹è»½ã«ä½¿ãˆã‚‹ã®ãŒç‰¹ã«ä»Šã¾ã§ã®ä»®æƒ³åŒ–ã‚½ãƒªãƒ¥ãƒ¼ã‚·ãƒ§ãƒ³ã«ãªã‹ã£ãŸã¨ã„ã†ç‚¹ãŒç´ æ™´ã‚‰ã—ã„ã¨æ€ã†ã€‚ ã§ã‚‚ã€‚ã§ã‚‚ãã€‚ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã®ãƒ¬ã‚¤ãƒ¤ãƒ¼ã‚’ã©ã‚“ã©ã‚“ç©ã¿ä¸Šã’ã¦ã„ãã‹ã‚‰ã€ãƒ‡ã‚£ã‚¹ã‚¯ã‚’ã©ã‚“ã©ã‚“åœ§è¿«ã™ã‚‹ã€‚ AUFSã®ä»•çµ„ã¿ã‚’ã–ã£ã¨è§£èª¬ã™ã‚‹ å¹¸ã‹ä¸å¹¸ã‹ã€ãšãƒ¼ã£ã¨å‰ã«ä»•äº‹ã§UnionFSã‚’ä½¿ã£ãŸã“ã¨ãŒã‚ã£ã¦ã€ä¸€æ–¹ã§Dockerã§ä½¿ã£ã¦ã‚‹AUFSã¯ã€ŒAnother UnionFSã€ã€‚UnionFSã‚’æ”¹è‰¯ã™ã‚‹ã“ã¨ã‚’ç›®çš„ã¨ã—ãŸãƒ—ãƒãƒ€ã‚¯ãƒˆã€‚ã¨ã„ã†ã“ã¨ã§ã€ä»•çµ„ã¿ã¯åŒã˜ã ã‚ã†ã€‚ã¨ã„ã†ã“ã¨ã§ã€è‰²ã€…ã™ã£é£›ã°ã—ã¦å®Ÿéš›é–“é•ã£ã¦ã‚‹å¯èƒ½æ€§ã‚‚ã‚ã‚Šã¾ã™ãŒã€UnionFSã§ä½¿ã‚ã‚Œã‚‹ã‚ªãƒ¼ãƒãƒ¼ãƒ¬ã‚¤ã¨è¨€ã‚ã‚Œã‚‹ä»•çµ„ã¿ã‚’èª¬æ˜Žã—ã¦ã¿ãŸã„ã¨æ€ã„ã¾ã™ã€‚ å›³å†…ã§ã¯ãƒ™ãƒ¼ã‚¹ã«ãªã‚‹ãƒ•ã‚¡ã‚¤ãƒ«ã®ãƒ¬ã‚¤ãƒ¤ãƒ¼ã«å¯¾ã—ã¦ã€3ã¤ã‚ªãƒ¼ãƒ
issm 2014/04/15
docker

aufs

filesystem
ãƒªãƒ³ã‚¯
ä¸€æ™‚ãƒ•ã‚¡ã‚¤ãƒ«ã¨dentry cacheã¨ãƒ¡ãƒ¢ãƒª - blog.nomadscafe.jp
ã‚ã‚Šã¨é•·ã„é–“æ‚©ã‚“ã§ã„ãŸã‚“ã ã‘ã©ã€æœ€è¿‘è§£æ±ºã—ãŸã®ã§ãƒ¡ãƒ¢ã€‚ ã‚µãƒ¼ãƒ“ã‚¹ã§åˆ©ç”¨ã—ã¦ã„ã‚‹smalllightã®ç”»åƒå¤‰æ›ã‚µãƒ¼ãƒãŒã€ApacheãŒä½¿ã£ã¦ã„ã‚‹ãƒ¡ãƒ¢ãƒªä»¥ä¸Šã®ãƒ¡ãƒ¢ãƒªã‚’ä½¿ç”¨ã—ã€Swapã—ãŸã‚Šãƒ¡ãƒ¢ãƒªæž¯æ¸‡ã§ã‚µãƒ¼ãƒãŒãƒ€ã‚¦ãƒ³ã™ã‚‹ãªã©ã®ã“ã¨ãŒä½•åº¦ã‹ã‚ã‚Šã¾ã—ãŸã€‚ â†‘ãƒ¡ãƒ¢ãƒªã®å‹•ãã¯ã“ã‚“ãªæ„Ÿã˜ ã„ã‚ã„ã‚èª¿ã¹ãŸçµæžœã€Œdentry cacheã€ãªã‚‹ã‚‚ã®ãŒãƒ¡ãƒ¢ãƒªå¤šãã‚’å ã‚ã¦ã„ã‚‹ã“ã¨ãŒã‚ã‹ã‚Šã¾ã—ãŸã€‚dentry cacheã¯ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‚„ãƒ•ã‚¡ã‚¤ãƒ«åã¨inodeã¨ã‚’çµã³ã¤ã‘ã«ä½¿ã‚ã‚Œã‚‹ã‚ãƒ£ãƒƒã‚·ãƒ¥ã§ã™ã€‚smalllightã§ã¯ç”»åƒã‚’å¤‰æ›ã™ã‚‹éš›ã«ä¸€æ™‚ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ä½œæˆã™ã‚‹ã®ã§ã€ãã®æƒ…å ±ãŒæ®‹ã‚‹ã‚ˆã†ã§ã™ã€‚ æ‰‹å…ƒã§å†ç¾ã•ã›ã‚‹ æœ¬ç•ªã§ä½¿ã£ã¦ã„ã‚‹ã‚µãƒ¼ãƒã¯CentOS5ç³»ã§ã™ãŒã€æ‰‹å…ƒã®Vagrantä¸Šã®CentOS6(ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã¯ext4)ã§ã€å†ç¾ã•ã›ã¦ã¿ã¾ã—ãŸã€‚ use Parallel::Prefork; use File::Tem
issm 2014/04/03
linux

cache

filesystem
ãƒªãƒ³ã‚¯
Linuxã®ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªæ§‹æˆ -- Keyï¼šé›‘å¦äº‹å…¸ -- Keyï¼šé›‘å¦äº‹å…¸
FHSã¨ã¯ æœ€çµ‚æ›´æ–°2006-09-23T22:46:00+09:00 ã“ã®è¨˜äº‹ã®URIå‚ç…§https://www.7key.jp/nw/directory.html#fhs FHSã¨ã¯ã€Filesystem Hierarchy Standardã€‘ã®ç•¥ã§ã€ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ éšŽå±¤æ¨™æº–ã¨è¨³ã•ã‚Œã¾ã™ã€‚Linuxã‚„ä»–ã®UNIXç³»ã‚ªãƒšãƒ¬ãƒ¼ãƒ†ã‚£ãƒ³ã‚°ã‚·ã‚¹ãƒ†ãƒ ã«ãŠã„ã¦ä¸»ãªãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã®æ§‹æˆã¨ãã®å†…å®¹ã‚’å®šã‚ã‚‹ã‚‚ã®ã§ã™ã€‚ FHS 2.3ã®æŽ¨å¥¨ã™ã‚‹ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªæ§‹æˆ æœ€çµ‚æ›´æ–°2006-09-23T22:46:00+09:00 ã“ã®è¨˜äº‹ã®URIå‚ç…§https://www.7key.jp/nw/directory.html#fhs23 /ãƒ«ãƒ¼ãƒˆãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒª /binï¼ˆåŸºæœ¬ã‚³ãƒžãƒ³ãƒ‰ï¼‰ /bootï¼ˆèµ·å‹•ã«å¿…è¦ãªãƒ•ã‚¡ã‚¤ãƒ«ï¼‰ /devï¼ˆãƒ‡ãƒã‚¤ã‚¹ãƒ•ã‚¡ã‚¤ãƒ«ï¼‰ /etcï¼ˆè¨å®šãƒ•ã‚¡ã‚¤ãƒ«ï¼‰ /homeï¼ˆãƒ¦ãƒ¼ã‚¶ãƒ¼ã®ãƒ›ãƒ¼ãƒ ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªï¼‰ /
issm 2014/03/24
filesystem

linux
ãƒªãƒ³ã‚¯
åˆ†æ•£ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ glusterfs ã‚’è©¦ã—ã¦ã¿ãŸ - ã†ã¾ã„ã¼ã†ã¶ã‚ã
http://www.gluster.org/download/ http://www.gluster.org/wp-content/uploads/2012/05/Gluster_File_System-3.3.0-Administration_Guide-en-US.pdf ãƒ¬ãƒƒãƒ‰ãƒãƒƒãƒˆã«è²·åŽã•ã‚ŒãŸã¨ã‹ã§ã€RHEVã‚„ovirtã¨ã‚‚çµ¡ã‚“ã§ããã†ãªã®ã§è©¦ã—ã¦ã¿ãŸã€‚å®Ÿé¨“ç”¨ã«ä»®æƒ³åŒ–ç’°å¢ƒã§å‹•ã‹ã—ãŸã®ã§çœŸé¢ç›®ã«ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã¯èª¿ã¹ã¦ãªã„ã‘ã©ã€ç°¡å˜ã«è¨å®šã§ãã‚‹å‰²ã«ã¡ã‚ƒã‚“ã¨å‹•ãã®ã§è‰¯ã„æ„Ÿã˜ã ã¨æ€ã„ã¾ã—ãŸã€‚ drbdã¨é©å½“ã«æ¯”è¼ƒã™ã‚‹ã¨ã€drbdã¯2å°ã®ã‚µãƒ¼ãƒã§ã®network raid1 ã§åŸºæœ¬çš„ã«primaryå´ã®ã‚µãƒ¼ãƒã§ã—ã‹mountã§ããªã„ã®ã«å¯¾ã—ã¦ã€glusterfs ã¯è¤‡æ•°å°ã®ã‚µãƒ¼ãƒã§ã®network raid(volumeæ¬¡ç¬¬ã§raid0 , raid1, raid10, raid5 or
issm 2013/10/15
glusterfs

filesystem
ãƒªãƒ³ã‚¯
MooseFS
Can Petabyte StorageÂ be fault tolerantUSING COMMODITY HARDWARE? High AvailabilityNo Single Point of Failure a.k.a SPOF-less configuration. Metadata of the file system is kept in two or more copies on physical redundant servers. User data is redundantly spread across the storage servers in the system. Low-cost Data SafetyMooseFS enables users to save a lot of HDD space maintaining the same data red
issm 2013/09/12
filesystem

moosefs
ãƒªãƒ³ã‚¯
ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ æ¯”è¼ƒ(ZFS/Btrfs/ext4/UFS/NTFS): ã®ã¼ãƒ¡ãƒ¢(ä»®)
â€»RAIDã®ã¨ã“ã‚ã¯ã€Œãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã¨ã—ã¦RAIDã®æ©Ÿèƒ½ã‚’æœ‰ã—ã¦ã„ã‚‹ã€å ´åˆã«â—‹ã¨ã—ãŸã€‚ ã“ã†ã¿ã‚‹é™ã‚Šã ã¨ZFSãŒã„ã„æ„Ÿã˜ã«â€¦è¦‹ãˆã‚‹ã®ã ãŒã©ã†ã ã‚ã†ã‹ã€‚ä»¥ä¸‹ã‚’è€ƒæ…®ã™ã‚‹ã¨â€¦Btrfsãªäºˆæ„Ÿã€‚ ZFSã¨Btrfsã¯æ©Ÿèƒ½çš„ã«æ¦‚ãåŒã˜ BtrfsãŒLinux kernelã«å–ã‚Šè¾¼ã¾ã‚Œã¦ã‚‹ ZFSã¯ãƒ©ã‚¤ã‚»ãƒ³ã‚¹(CDDL)çš„ã«Linux kernelã«ã¯â€¦Ã— ZFSã‚’é–‹ç™ºã—ã¦ã‚‹SunãŒã€Btrfsã‚’é–‹ç™ºã—ã¦ã‚‹Oracleã«è²·åŽã•ã‚Œã¦ã‚‹ ZFSã«ã¤ã„ã¦ã¯â†“ã®æ›¸ç±ãŒã„ã„æ„Ÿã˜ã«æƒ…å ±è¼‰ã£ã¦ã¾ã—ãŸã€‚æ¦‚å¿µã®è©±ã‹ã‚‰å§‹ã¾ã£ã¦ã€å®Ÿé‹ç”¨ä¾‹ã¨ã‹ã€ã‚ˆã‚Šçªã£è¾¼ã‚“ã ãƒ‡ãƒ¼ã‚¿æ§‹é€ ã®è©±ã¨ã‹è‰²ã€…ã€‚å®Ÿéš›ã«è¦‹ãŸæœ¬ã¯è¡¨ç´™ãŒç·‘è‰²ã ã£ãŸæ°—ãŒã™ã‚‹ãŒâ€¦ãŸã¶ã‚“åŒã˜ã€‚
issm 2013/06/14
filesystem

comparison
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ctimeã¯ã€å†…å®¹ã‹å±žæ€§ãŒä¿®æ£ã•ã‚ŒãŸæ—¥æ™‚ã‚’æŒ‡ã—ã€ä½œæˆæ—¥æ™‚ã‚’æŒ‡ã™ã®ã§ã¯ãªã„è·¡åœ° - è©¦é¨“é‹ç”¨ä¸ãªLinuxå‚™å¿˜éŒ²ãƒ»æ—§è¨˜äº‹
(2021/10/1)æœ¬è¨˜äº‹ã¯ã€ŒLinuxã®ctimeã¯ã€å†…å®¹ã‹å±žæ€§ãŒä¿®æ£ã•ã‚ŒãŸæ—¥æ™‚ã‚’æŒ‡ã—ã€ä½œæˆæ—¥æ™‚ã‚’æŒ‡ã™ã®ã§ã¯ãªã„ã€ã¸ç§»å‹•ã—ãŸã€‚
issm 2013/02/18
unix

linux

filesystem
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ç”¨èªžé›†:ã‚¿ã‚¤ãƒ ã‚¹ã‚¿ãƒ³ãƒ—: UNIX/Linuxã®éƒ¨å±‹
æœ€çµ‚æ›´æ–° 2019-01-02 UNIXãƒ»Linux ã®ãƒ•ã‚¡ã‚¤ãƒ«ã«ã¯ã€ä¸€èˆ¬çš„ã« 3ã¤ã®ã‚¿ã‚¤ãƒ ã‚¹ã‚¿ãƒ³ãƒ—ãŒã‚ã‚‹ã€‚ atime â€¦ æœ€çµ‚ã‚¢ã‚¯ã‚»ã‚¹æ™‚åˆ» (access time) mtime â€¦ æœ€çµ‚å¤‰æ›´æ™‚åˆ» (modify time) ctime â€¦ æœ€çµ‚ã‚¹ãƒ†ãƒ¼ã‚¿ã‚¹å¤‰æ›´æ™‚åˆ» (change time)
issm 2013/02/18
unix

linux

filesystem
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unix - atimeã¯ã„ã¤æ›´æ–°ã•ã‚Œã‚‹? : 404 Blog Not Found
2008å¹´06æœˆ09æ—¥15:45 ã‚«ãƒ†ã‚´ãƒªiTech unix - atimeã¯ã„ã¤æ›´æ–°ã•ã‚Œã‚‹? ä»¥ä¸‹ã«å¯¾ã—ã¦ã€ Linuxãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã€€ç¬¬1éƒ¨ç¬¬1å›žã€€ãƒ•ã‚¡ã‚¤ãƒ«ãƒ»ã‚¢ã‚¯ã‚»ã‚¹ã‚’é«˜é€ŸåŒ–ï¼šITpro é©å‘½ã®æ—¥ã€…ï¼ ITProã®Linuxãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã®è¨˜äº‹ãŒã²ã©ã„äº‹ã«ãªã£ã¦ã„ã‚‹ä»¶ã«ã¤ã„ã¦ ã‚ã¾ã‚Šã«é…·ã„ã®ã§disã‚‹è¨˜äº‹ã‚’æ›¸ã“ã†ã‹ã¨æ€ã£ãŸã‚‰ã€æœ«å°¾ã«å°ã•ã å‡ºå…¸ï¼šæ—¥çµŒLinux 2002å¹´4æœˆå·ã€€45ãƒšãƒ¼ã‚¸ã‚ˆã‚Š ï¼ˆè¨˜äº‹ã¯åŸ·ç†æ™‚ã®æƒ…å ±ã«åŸºã¥ã„ã¦ãŠã‚Šï¼Œç¾åœ¨ã§ã¯ç•°ãªã‚‹å ´åˆãŒã‚ã‚Šã¾ã™ï¼‰ ã¨æ›¸ã„ã¦ã‚ã£ãŸã€‚ï¼–å¹´å‰ã®è¨˜äº‹ã‹ã‚ˆï¼ï¼ å¤ã„å†…å®¹ãŒå¤šã„ã®ã§ã€ã‚ˆã„åã¯ä¿¡ç”¨ã—ãªã„ã§ãã€‚ ã¨ç‰©è¨€ã„ãŒã¤ã„ã¦ã„ã¦ã€ã•ã‚‰ã« ITProã®ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°è¨˜äº‹(noatimeä»˜åŠ )ã‚’æ¤œè¨¼ã—ã¦ã¿ãŸ - ç§‘å¦ã¨éžç§‘å¦ã®è¿·å®® ã¾ãŸã€ã¯ã¦ãƒ–ã®ã‚³ãƒ¡ãƒ³ãƒˆã‚’å…ƒã« relatime ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã‚’ä»˜åŠ ã—ã¦æ¤œè¨¼ã‚’è¡Œã£ãŸã¨ã“ã‚ã€ã“ã¡ã‚‰ã‚‚æ€§èƒ½å‘ä¸Šã¯è¦‹ã‚‰ã‚Œã¾ã›ã‚“ã§ã—ãŸã€‚
issm 2013/02/18
dankogai

filesystem
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Filesystem Hierarchy Standard
Introduction This page is the home of the Filesystem Hierarchy Standard (FHS). The current version is 2.3. It was announced on January 29, 2004. The filesystem standard has been designed to be used by Unix distribution developers, package developers, and system implementors. However, it is primarily intended to be a reference and is not a tutorial on how to manage a Unix filesystem or directory hi
issm 2012/12/02
fhs

filesystem
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MongoDBã‚’ext3ã§ä½¿ã£ãŸã‚‰æ»ã‚“ã Â· DQNEOæ—¥è¨˜
Linux File Systems Mongo DB uses large files for storing data, and preallocates these. These filesystems seem to work well: ext4 ( kernel version >= 2.6.23 ) xfs ( kernel version >= 2.6.25 ) In addition to the file systems above you might also want to (explicitly) disable file/directory modification times by using these mount options: noatime (also enables nodiratime) We have found ext3 to be very
issm 2012/04/25
mongodb

ext3

ext4

filesystem

linux
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HDFSã¯ãƒ•ã‚¡ã‚¤ãƒ«ã‚µãƒ¼ãƒãƒ¼ã«ä½¿ã†ã‚‚ã®ã˜ã‚ƒãªã„ã‚ˆ
Hadoopï¼ˆ0.22ä»¥å‰ã‚„1.0.0ï¼‰ã®HDFSã¯NameNodeãŒSPOFï¼ˆå˜ä¸€éšœå®³ç‚¹ï¼‰ãªã®ã§ã€ãƒ•ã‚¡ã‚¤ãƒ«ã‚µãƒ¼ãƒãƒ¼ã‚„ãƒ‡ãƒ¼ã‚¿ã®â€œãƒãƒƒã‚¯ã‚¢ãƒƒãƒ—â€ã«ã¯å‘ã‹ãªã„ã¨ã„ã†è©±ã§ã™ã€‚ HDFSä¸Šã«æ§‹ç¯‰ã•ã‚Œã¦ã„ã‚‹HBaseã®å ´åˆã€ï¼ˆHBaseè‡ªèº«ã«ã¯SPOFã¯ç„¡ã„ã‘ã‚Œã©ã‚‚ï¼‰HDFSã«SPOFãŒã‚ã‚‹ã®ã§ã€NameNodeã¯å†—é•·åŒ–ã—ãŸæ–¹ãŒè‰¯ã„ã‚ˆã†ã§ã™ã€‚ å†—é•·åŒ–ã«ã¯ä»¥ä¸‹ã®ã‚ˆã†ãªä»•çµ„ã¿ãŒè€ƒãˆã‚‰ã‚Œã¦ã„ã‚‹ã‚ˆã†ã§ã™ã€‚ ç¶šãã‚’èªã‚€
issm 2011/08/31
togetter

hdfs

hadoop

filesystem
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Google Code Archive - Long-term storage for Google Code Project Hosting.
Code Archive Skip to content Google About Google Privacy Terms
issm 2011/07/19
mac

filesystem
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ãã†ã„ãˆã°sshfsãŒä¾¿åˆ©ãªä»¶ - ï¼ˆã²ï¼‰ãƒ¡ãƒ¢
ä»¥å‰ã¯ãƒªãƒ¢ãƒ¼ãƒˆã®ãƒ•ã‚¡ã‚¤ãƒ«ç·¨é›†ã™ã‚‹ã®ã«Emacsã§TRAMPä½¿ã£ã¦ãŸã‚“ã§ã™ãŒã€sshfsã®æ–¹ãŒã‚·ã‚§ãƒ«ã§cdã¨ã‹lsã§ãã‚‹ã—ã€Emacsã§occurã¨ã‹ã‚‚ã§ãã‚‹ã—ã„ã„ã‚ˆãã£ã¦ã‚“ã§æœ€è¿‘ã¯sshfsä½¿ã£ã¦ã¾ã™ã€‚ ã§ã€sshfsã—ãŸã„ãƒ›ã‚¹ãƒˆãŒå¤šã„ã¨ã„ã‚ã„ã‚ã‚ã‚“ã©ããªã‚‹ã‚“ã§ã€â†“ã¿ãŸã„ãªãƒ˜ãƒ«ãƒ‘ã‚¹ã‚¯ãƒªãƒ—ãƒˆæ›¸ã„ã¦ä½¿ã£ã¦ã¾ã—ãŸã‚ˆã£ã¦è©±ã§ã™ã€‚ ãƒžã‚¦ãƒ³ãƒˆãƒã‚¤ãƒ³ãƒˆã‚’ã¾ã¨ã‚ã¦ãŠããƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒª(~/r/ã¨ã‹)ã®ä¸‹ã«ã€äºˆã‚sshfsã™ã‚‹ãƒªãƒ¢ãƒ¼ãƒˆãƒ›ã‚¹ãƒˆã®åå‰ã®ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‚’ä½œã£ã¦ãŠãã¾ã™ã€‚sshã™ã‚‹ã¨ããƒ¦ãƒ¼ã‚¶ãƒ¼åãŒå¿…è¦ãªãƒ›ã‚¹ãƒˆã¯USERNAME@HOSTNAMEã§mkdirã—ã¨ãã¾ã™ã€‚ $ cd ~/r/ $ mkdir host1 $ mkdir foo@host2 ã‚ã¨ã¯æœ«å°¾ã®ãƒ˜ãƒ«ãƒ‘ã‚¹ã‚¯ãƒªãƒ—ãƒˆã§ã€sshfsã§ãƒžã‚¦ãƒ³ãƒˆã—ãŸã‚Šã€sshfsãªãƒžã‚¦ãƒ³ãƒˆãƒã‚¤ãƒ³ãƒˆã®ä¸€è¦§ã‚’è¦‹ãŸã‚Šã€ã‚¢ãƒ³ãƒžã‚¦ãƒ³ãƒˆã—ãŸã‚Šã§ãã¾ã™ã€‚ $ ./m host1
issm 2011/07/12
sshfs

ssh

filesystem
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