\u4e3a\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u83b7\u5f97\u6700\u4f73\u6027\u80fd\uff0c\u8bf7\u8003\u8651\u4ee5\u4e0b\u89c4\u683c\uff1a<\/p>\n

\n
• \u4f01\u4e1a\u7ea7SSD\uff1a\u4e09\u661fPM883\u3001\u82f1\u7279\u5c14D3-S4510<\/li>\n
• \u4f01\u4e1a\u7ea7HDD\uff1a\u5e0c\u6377Exos\u3001\u897f\u90e8\u6570\u636eGold<\/li>\n
• \u6700\u5c0f\u5bb9\u91cf\uff1a\u64cd\u4f5c\u7cfb\u7edf\u76d8240GB\uff0c\u6570\u636e\u76d81TB<\/li>\n
• \u63a5\u53e3\uff1aSATA III\u6216PCIe\/NVMe\u4ee5\u83b7\u5f97\u66f4\u9ad8\u6027\u80fd<\/li>\n<\/ul>\n

  \u7269\u7406\u5b89\u88c5\u548c\u7cfb\u7edf\u8bc6\u522b<\/strong><\/h2>\n

  \u7269\u7406\u5b89\u88c5\u8fc7\u7a0b\u9700\u8981\u6ce8\u610f\u5b89\u5168\u548c\u6b63\u786e\u7684\u7a0b\u5e8f\u3002\u8ba9\u6211\u4eec\u4e00\u8d77\u4e86\u89e3\u5411\u670d\u52a1\u5668\u6dfb\u52a0\u65b0\u786c\u76d8\u7684\u57fa\u672c\u6b65\u9aa4\u3002<\/p>\n

  \u5b89\u5168\u9884\u9632\u63aa\u65bd<\/h3>\n

  \u5904\u7406\u670d\u52a1\u5668\u786c\u4ef6\u65f6\uff1a<\/p>\n

  \n
  • \u5b8c\u5168\u5173\u95ed\u670d\u52a1\u5668\u7535\u6e90<\/li>\n
  • \u65ad\u5f00\u6240\u6709\u7535\u6e90\u8fde\u63a5<\/li>\n
  • \u4f7f\u7528\u9632\u9759\u7535\u4fdd\u62a4<\/li>\n
  • \u8bb0\u5f55\u5f53\u524d\u786c\u76d8\u914d\u7f6e<\/li>\n<\/ul>\n

    \u786c\u76d8\u68c0\u6d4b\u548c\u521d\u59cb\u5316<\/h3>\n

    \u7269\u7406\u5b89\u88c5\u540e\uff0c\u4f7f\u7528\u8fd9\u4e9b\u547d\u4ee4\u9a8c\u8bc1\u7cfb\u7edf\u8bc6\u522b\uff1a<\/p>\n

    # \u5217\u51fa\u6240\u6709\u5757\u8bbe\u5907\r\nlsblk\r\n\r\n# \u67e5\u770b\u8be6\u7ec6\u786c\u76d8\u4fe1\u606f\r\nfdisk -l\r\n\r\n# \u67e5\u770b\u786c\u76d8\u5065\u5eb7\u72b6\u51b5\u548cSMART\u72b6\u6001\r\nsmartctl -a \/dev\/sdX<\/code><\/pre>\n
    \u786c\u76d8\u5206\u533a\u548c\u6587\u4ef6\u7cfb\u7edf\u8bbe\u7f6e<\/strong><\/h2>\n
    \u6b63\u786e\u7684\u5206\u533a\u548c\u6587\u4ef6\u7cfb\u7edf\u914d\u7f6e\u5bf9\u4e8e\u6700\u4f73\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u5e38\u7528Linux\u5de5\u5177\u7684\u5b9e\u9645\u793a\u4f8b\uff1a<\/p>\n
    # \u521b\u5efa\u65b0\u7684GPT\u5206\u533a\u8868\r\nparted \/dev\/sdX mklabel gpt\r\n\r\n# \u4f7f\u7528\u6240\u6709\u53ef\u7528\u7a7a\u95f4\u521b\u5efa\u65b0\u5206\u533a\r\nparted \/dev\/sdX mkpart primary ext4 0% 100%\r\n\r\n# \u4f7f\u7528ext4\u683c\u5f0f\u5316\u5206\u533a\r\nmkfs.ext4 \/dev\/sdX1\r\n\r\n# \u521b\u5efa\u6302\u8f7d\u70b9\u5e76\u6dfb\u52a0\u5230fstab\r\nmkdir \/data\r\necho \"\/dev\/sdX1 \/data ext4 defaults,noatime 0 2\" >> \/etc\/fstab<\/code><\/pre>\n
    \u6027\u80fd\u4f18\u5316<\/h3>\n
    \u4f7f\u7528\u8fd9\u4e9b\u5173\u952e\u914d\u7f6e\u5fae\u8c03\u5b58\u50a8\u7cfb\u7edf\uff1a<\/p>\n
    # \u8c03\u6574I\/O\u8c03\u5ea6\u5668\r\necho \"noop\" > \/sys\/block\/sdX\/queue\/scheduler\r\n\r\n# \u4f18\u5316\u9884\u8bfb\u8bbe\u7f6e\r\nblockdev --setra 16384 \/dev\/sdX\r\n\r\n# \u4e3aSSD\u542f\u7528TRIM\r\nfstrim -v \/data<\/code><\/pre>\n
    \u9ad8\u7ea7\u6027\u80fd\u8c03\u4f18<\/strong><\/h2>\n
    \u8ba9\u6211\u4eec\u5b9e\u65bd\u9ad8\u7ea7\u4f18\u5316\u4ee5\u6700\u5927\u5316\u5b58\u50a8\u6027\u80fd\uff1a<\/p>\n
    I\/O\u8c03\u5ea6\u5668\u914d\u7f6e<\/h3>\n
    \u4e0d\u540c\u7684\u5de5\u4f5c\u8d1f\u8f7d\u9700\u8981\u7279\u5b9a\u7684I\/O\u8c03\u5ea6\u5668\u8bbe\u7f6e\u3002\u4ee5\u4e0b\u662f\u5e2e\u52a9\u786e\u5b9a\u6700\u4f73\u914d\u7f6e\u7684\u6027\u80fd\u6d4b\u8bd5\u811a\u672c\uff1a<\/p>\n
    #!\/bin\/bash\r\n# \u6d4b\u8bd5\u4e0d\u540c\u7684I\/O\u8c03\u5ea6\u5668\r\nschedulers=(\"mq-deadline\" \"bfq\" \"kyber\" \"none\")\r\ntest_file=\"\/data\/test_file\"\r\n\r\nfor scheduler in \"${schedulers[@]}\"; do\r\n    echo \"$scheduler\" > \/sys\/block\/sda\/queue\/scheduler\r\n    sync && echo 3 > \/proc\/sys\/vm\/drop_caches\r\n    \r\n    echo \"\u6d4b\u8bd5 $scheduler:\"\r\n    fio --name=random-write \\\r\n        --ioengine=libaio \\\r\n        --rw=randwrite \\\r\n        --bs=4k \\\r\n        --direct=1 \\\r\n        --size=1G \\\r\n        --numjobs=4 \\\r\n        --runtime=60 \\\r\n        --group_reporting \\\r\n        --filename=$test_file\r\ndone<\/code><\/pre>\n
    RAID\u914d\u7f6e\u4ee5\u63d0\u5347\u6027\u80fd<\/h3>\n
    \u5bf9\u4e8e\u5173\u952e\u4efb\u52a1\u5e94\u7528\uff0c\u8bf7\u8003\u8651\u5b9e\u65bdRAID\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u8bbe\u7f6eRAID 10\u4ee5\u83b7\u5f97\u6700\u4f73\u6027\u80fd\u548c\u5197\u4f59\uff1a<\/p>\n
    # \u521b\u5efaRAID 10\u9635\u5217\r\nmdadm --create \/dev\/md0 --level=10 --raid-devices=4 \/dev\/sd[b-e]1\r\n\r\n# \u76d1\u63a7RAID\u72b6\u6001\r\nwatch cat \/proc\/mdstat\r\n\r\n# \u914d\u7f6eRAID\u9635\u5217\u8bbe\u7f6e\r\necho 32768 > \/sys\/block\/md0\/md\/stripe_cache_size<\/code><\/pre>\n
    \u6027\u80fd\u76d1\u63a7\u548c\u7ef4\u62a4<\/strong><\/h2>\n
    \u5b9a\u671f\u76d1\u63a7\u786e\u4fdd\u6700\u4f73\u6027\u80fd\u3002\u5b9e\u65bd\u8fd9\u4e9b\u5de5\u5177\u548c\u5b9e\u8df5\uff1a<\/p>\n
    \u6027\u80fd\u76d1\u63a7\u5de5\u5177<\/h3>\n
    \n
    iostat – \u76d1\u63a7I\/O\u8bbe\u5907\u8d1f\u8f7d<\/li>\n
    iotop – \u8ddf\u8e2a\u8fdb\u7a0b\u7684I\/O\u4f7f\u7528\u60c5\u51b5<\/li>\n
    atop – \u7cfb\u7edf\u548c\u8fdb\u7a0b\u76d1\u63a7<\/li>\n<\/ul>\n
    \u793a\u4f8b\u76d1\u63a7\u811a\u672c\uff1a<\/p>\n
    #!\/bin\/bash\r\n# \u6301\u7eed\u6027\u80fd\u76d1\u63a7\r\nwhile true; do\r\n    date\r\n    echo \"\u786c\u76d8I\/O\u7edf\u8ba1\uff1a\"\r\n    iostat -xm 5 2\r\n    echo \"\u6700\u9ad8I\/O\u8fdb\u7a0b\uff1a\"\r\n    iotop -b -n 1 | head -n 10\r\n    sleep 300\r\ndone > \/var\/log\/disk_performance.log<\/code><\/pre>\n
    \u7ef4\u62a4\u8ba1\u5212<\/h3>\n
    \u5b9e\u65bd\u8fd9\u4e9b\u7ef4\u62a4\u4efb\u52a1\u4ee5\u786e\u4fdd\u6301\u7eed\u6027\u80fd\uff1a<\/p>\n
    \n
    \u6bcf\u5468\uff1aSMART\u72b6\u6001\u68c0\u67e5<\/li>\n
    \u6bcf\u6708\uff1a\u6587\u4ef6\u7cfb\u7edf\u5065\u5eb7\u9a8c\u8bc1<\/li>\n
    \u6bcf\u5b63\u5ea6\uff1a\u6027\u80fd\u57fa\u51c6\u6d4b\u8bd5<\/li>\n<\/ul>\n
    \u6545\u969c\u6392\u9664\u548c\u6700\u4f73\u5b9e\u8df5<\/strong><\/h2>\n
    \u4e86\u89e3\u5e38\u89c1\u95ee\u9898\u53ca\u5176\u89e3\u51b3\u65b9\u6848\u6709\u52a9\u4e8e\u7ef4\u6301\u6700\u4f73\u5b58\u50a8\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u5173\u952e\u6545\u969c\u6392\u9664\u6b65\u9aa4\u548c\u6700\u4f73\u5b9e\u8df5\uff1a<\/p>\n
    \u5e38\u89c1\u95ee\u9898\u548c\u89e3\u51b3\u65b9\u6848<\/h3>\n
    # \u68c0\u67e5\u786c\u76d8\u9519\u8bef\r\nsmartctl -t long \/dev\/sdX\r\n\r\n# \u9a8c\u8bc1\u7cfb\u7edf\u65e5\u5fd7\u4e2d\u7684\u786c\u76d8\u9519\u8bef\r\njournalctl -f | grep -i \"error\"\r\n\r\n# \u76d1\u63a7\u786c\u76d8\u7a7a\u95f4\u4f7f\u7528\u8d8b\u52bf\r\ndf -h --output=source,pcent,ipcent | grep \"^\/dev\"<\/code><\/pre>\n
    \u6027\u80fd\u74f6\u9888\u5206\u6790<\/h3>\n
    \u4f7f\u7528\u8fd9\u4e9b\u547d\u4ee4\u8bc6\u522b\u6027\u80fd\u74f6\u9888\uff1a<\/p>\n
    # \u68c0\u67e5\u5f53\u524d\u786c\u76d8\u541e\u5410\u91cf\r\niostat -xm 1\r\n\r\n# \u76d1\u63a7I\/O\u7b49\u5f85\u65f6\u95f4\r\nvmstat 1\r\n\r\n# \u8ddf\u8e2a\u5b58\u50a8\u5ef6\u8fdf\r\nioping -c 10 \/data<\/code><\/pre>\n
    \u9ad8\u7ea7\u63d0\u793a\u548c\u672a\u6765\u8003\u8651<\/strong><\/h2>\n
    \u8003\u8651\u8fd9\u4e9b\u9488\u5bf9\u7279\u5b9a\u5de5\u4f5c\u8d1f\u8f7d\u7684\u9ad8\u7ea7\u4f18\u5316\u6280\u672f\uff1a<\/p>\n
    \n
    \u5b9e\u65bdbcache\u7528\u4e8eHDD\u6570\u636e\u7684SSD\u7f13\u5b58<\/li>\n
    \u4f7f\u7528LVM\u5b9e\u73b0\u7075\u6d3b\u7684\u5b58\u50a8\u7ba1\u7406<\/li>\n
    \u4e3aNVMe\u786c\u76d8\u914d\u7f6e\u5206\u533a\u547d\u540d\u7a7a\u95f4<\/li>\n<\/ul>\n
    \u5b58\u50a8\u7684\u672a\u6765\u89c4\u5212<\/h3>\n
    \u901a\u8fc7\u4ee5\u4e0b\u8003\u8651\u4e3a\u672a\u6765\u5b58\u50a8\u9700\u6c42\u505a\u597d\u8ba1\u5212\uff1a<\/p>\n
    \n
    \u5b9a\u671f\u5bb9\u91cf\u89c4\u5212\u5ba1\u67e5<\/li>\n
    \u6027\u80fd\u8d8b\u52bf\u5206\u6790<\/li>\n
    \u6280\u672f\u5347\u7ea7\u8def\u5f84<\/li>\n<\/ul>\n
    \u7ed3\u8bba<\/strong><\/h2>\n
    \u4f18\u5316\u670d\u52a1\u5668\u5b58\u50a8\u6027\u80fd\u9700\u8981\u5728\u786c\u4ef6\u9009\u62e9\u3001\u914d\u7f6e\u548c\u7ef4\u62a4\u65b9\u9762\u91c7\u53d6\u5e73\u8861\u7684\u65b9\u6cd5\u3002\u901a\u8fc7\u9075\u5faa\u672c\u6307\u5357\uff0c\u60a8\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u7f8e\u56fd\u670d\u52a1\u5668\u7684\u5b58\u50a8\u6027\u80fd\uff0c\u540c\u65f6\u786e\u4fdd\u53ef\u9760\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002\u8bf7\u8bb0\u4f4f\u5b9a\u671f\u76d1\u63a7\u6027\u80fd\u6307\u6807\uff0c\u5e76\u6839\u636e\u60a8\u7684\u7279\u5b9a\u5de5\u4f5c\u8d1f\u8f7d\u8981\u6c42\u8c03\u6574\u914d\u7f6e\u3002<\/p>\n
    \u4e3a\u4e86\u83b7\u5f97\u6700\u4f73\u7684\u670d\u52a1\u5668\u5b58\u50a8\u6027\u80fd\uff0c\u8bf7\u8003\u8651\u5c06\u8fd9\u4e9b\u5b9e\u8df5\u4e0e\u5b9a\u671f\u7684\u786c\u4ef6\u66f4\u65b0\u548c\u7ef4\u62a4\u8ba1\u5212\u4e00\u8d77\u5b9e\u65bd\u3002\u65e0\u8bba\u60a8\u662f\u8fd0\u8425\u9ad8\u6d41\u91cf\u7f51\u7ad9\u8fd8\u662f\u7ba1\u7406\u5927\u578b\u6570\u636e\u5e93\uff0c\u9002\u5f53\u7684\u5b58\u50a8\u4f18\u5316\u90fd\u662f\u7ef4\u6301\u670d\u52a1\u5668\u5cf0\u503c\u6027\u80fd\u7684\u5173\u952e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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    Read More…<\/a><\/p>\n","protected":false},"author":3,"featured_media":21143,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4816],"tags":[5636,5637,5638,5635,5639],"class_list":["post-21146","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-america-dedicated-server-sc","tag-server-disk-installation-sc","tag-us-server-configuration-sc","tag-storage-performance-tuning-sc","tag-server-storage-optimization-sc","tag-server-disk-management-sc"],"acf":[],"yoast_head":"\n