cpã§å¤§é‡ã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚’コピーã—ãŸï¼ˆ4å„„3200万件ã€39TB）GNUã®cpを使ã£ã¦å¤§é‡ã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚’コピーã—ãŸã¨ã“ã‚ã€cpã®è¨è¨ˆä¸Šã®å•é¡Œã§ã€æ¥µã‚ã¦ã‚³ãƒ”ーãŒé…ã‹ã£ãŸã¨ã„ã†ãŠè©±ã€‚ My experience with using cp to copy a lot of files (432 millions, 39 TB) よã†ã€‚俺ã¯æœ€è¿‘ã€å¤§é‡ã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚’コピーã™ã‚‹å¿…è¦ãŒã‚ã£ãŸã‚“ã ãŒã€UNIXã¯20å¹´ã‚‚ã‚„ã£ã¦ããŸä¿ºã®çµŒé¨“ã‹ã‚‰ã‚‚ã€cpã®æŒ™å‹•ã«ã¯é©šã‹ã•ã‚ŒãŸã—ã€ä¿ºã®æ„見ã¯ã‚³ãƒŸãƒ¥ãƒ‹ãƒ†ã‚£ã«å…±æœ‰ã•ã‚Œã‚‹ã¹ãã ã¨æ€ã†ã€‚ 環境：å¤ã„Dellã®ã‚µãƒ¼ãƒãƒ¼ï¼ˆ2コアã€åˆæœŸãƒ¡ãƒ¢ãƒª2GBã€è¿½åŠ ã—ã¦10GBã€Ubuntu Trusty）ã¨ã€æ–°ã—ã„Dellã®ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸æ ¼ç´æ©Ÿ(MD 1200)ã«ã‚ã‚‹ã€12個ã®4TBディスクã§RAID 6ãŒè¨å®šã—ã¦ã‚ã£ã¦ã€å…¨ä½“ã§40TBã®è¦é ˜ã‚’æŒã¡ã€äºŒã¤ã®ãƒ‰ãƒ©ã‚¤ãƒ–ãŒåŒæ™‚ã«å¤±æ•—ã—ã¦ã‚‚å•é¡Œãªã„環境。サーãƒãƒ¼ã¯é 隔地ãƒãƒƒã‚¯ã‚¢ãƒƒãƒ—ã«ä½¿ã‚ã‚Œã¦ã„ã¦ã€ãƒ‡ã‚£ã‚¹ã‚¯ã¸ã®æ›¸ãè¾¼ã¿ã—
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