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tyamamoto 2018/01/17
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tyamamoto 2017/01/31
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tyamamoto 2017/01/06
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d:id:halfrack:20130417:1366193468 ã‚’è¦‹ãŸåŒåƒšãŒæ•™ãˆã¦ãã‚ŒãŸ X25-M G2 ã®ãƒ›ã‚¹ãƒˆã«ã¤ã„ã¦ã€å¤ã„ SSD ã¯ãƒžãƒ¼ã‚¸ãƒ³ãŸã£ã·ã‚Šã ã£ãŸã¨ã„ã†è©±ã€‚ ã“ã®ãƒ›ã‚¹ãƒˆã¯ DB ã‚µãƒ¼ãƒã ãŒã€ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ãƒ³ã‚°ã‚µãƒ¼ãƒ“ã‚¹çš„ãªã‚‚ã®ã«ä½¿ã‚ã‚Œã¦ã„ã‚‹ã®ã§ã€æ›´æ–°ãƒ˜ãƒ“ãƒ¼ã§è¾›ã„ DB ã«ãªã‚‹ã€‚ [root@nantokagoe smartmontools-6.1]# uptime 19:29:02 up 1028 days, 2:49, 2 users, load average: 0.00, 0.05, 0.04 [root@nantokagoe smartmontools-6.1]# iostat -k -x -d sda | sed -n '3,4p' Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await
$æ˜”ã® SSD ã¯ã‚¿ãƒ•ã ã£ãŸ - muraæ—¥è¨˜ (halfrack)$
tyamamoto 2013/04/18
ssd
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ã‚µãƒ¼ãƒç”¨é€”ã§ã‚³ãƒ³ã‚·ãƒ¥ãƒ¼ãƒž SSD ã¸èª¿åã«ä¹—ã£ã¦æ›¸ãè¾¼ã¿ã™ãŽã‚‹ã¨å£Šã‚Œã‚‹ã¨ã„ã†è©± - muraæ—¥è¨˜ (halfrack)
Crucial M500 ã® write endurance ãŒ 75TB ã—ã‹ç„¡ã„ã¨ã„ã†ã®ãŒè©±é¡Œã«ãªã£ã¦ã„ã¦ã€åŒã˜ã 75TB ã§ã‚ã‚‹ m4 ã‚’ã‚ã–ã¨è™å¾…ã—ã¦ã„ãŸãƒ›ã‚¹ãƒˆã¯ã©ã†ãªã£ãŸã®ã‹æ°—ã«ãªã£ã¦èª¿ã¹ã¦è¦‹ãŸã¨ã“ã‚ã€é¢ç™½ã„çµæžœãŒè¦³æ¸¬ã•ã‚ŒãŸã¨ã„ã†è©±ã€‚ çŸ³æ©‹ã‚’å©ã„ã¦å£Šã—éšœå®³æ™‚ã®æŒ™å‹•ã‚’è¦‹ã‚‹ã¹ãã€Œè‡ªç¤¾å…¨ã‚µãƒ¼ãƒ“ã‚¹ã®ã‚¢ã‚¯ã‚»ã‚¹ãƒã‚°ã‚’å—ã‘æ¢ã‚ã‚‹ syslog ã‚µãƒ¼ãƒã€ã¨ã„ã†ã€ã©ã†è¦‹ã¦ã‚‚æ›¸ãè¾¼ã¿ä¸å¿ƒã§ SSD ã«ã‚„ã•ã—ããªã„ãƒ›ã‚¹ãƒˆã‚’ã‚ãˆã¦å‹•ã‹ã—ã¦ã„ãŸã€‚å…·ä½“çš„ã«ã¯ä¸‹è¨˜ã®ã‚ˆã†ãªãƒŽãƒªã®ãƒ›ã‚¹ãƒˆã§ã‚ã‚‹ã€‚ iostat ã®ä¸€è¡Œç›®ãªã®ã§ uptime æ•°ç™¾æ—¥ã«ãŠã‘ã‚‹å¹³å‡å€¤ã§ã‚ã‚‹ã“ã¨ã«æ³¨æ„ã€‚ [root@touge ~]# iostat -k -x -d sda | sed -n '3,4p' Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await
$ã‚µãƒ¼ãƒç”¨é€”ã§ã‚³ãƒ³ã‚·ãƒ¥ãƒ¼ãƒž SSD ã¸èª¿åã«ä¹—ã£ã¦æ›¸ãè¾¼ã¿ã™ãŽã‚‹ã¨å£Šã‚Œã‚‹ã¨ã„ã†è©± - muraæ—¥è¨˜ (halfrack)$
tyamamoto 2013/04/18
ssd
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