\u70ba\u5728\u751f\u7522\u74b0\u5883\u4e2d\u7372\u5f97\u6700\u4f73\u6548\u80fd\uff0c\u8acb\u8003\u616e\u4ee5\u4e0b\u898f\u683c\uff1a<\/p>\n

\n
• \u4f01\u696d\u7d1aSSD\uff1a\u4e09\u661fPM883\u3001\u82f1\u7279\u723eD3-S4510<\/li>\n
• \u4f01\u696d\u7d1aHDD\uff1a\u5e0c\u6377Exos\u3001\u897f\u90e8\u6578\u64daGold<\/li>\n
• \u6700\u5c0f\u5bb9\u91cf\uff1a\u4f5c\u696d\u7cfb\u7d71\u789f240GB\uff0c\u8cc7\u6599\u789f1TB<\/li>\n
• \u4ecb\u9762\uff1aSATA III\u6216PCIe\/NVMe\u4ee5\u7372\u5f97\u66f4\u9ad8\u6548\u80fd<\/li>\n<\/ul>\n

  \u5be6\u9ad4\u5b89\u88dd\u548c\u7cfb\u7d71\u8b58\u5225<\/strong><\/h2>\n

  \u5be6\u9ad4\u5b89\u88dd\u904e\u7a0b\u9700\u8981\u6ce8\u610f\u5b89\u5168\u548c\u6b63\u78ba\u7684\u7a0b\u5e8f\u3002\u8b93\u6211\u5011\u4e00\u8d77\u77ad\u89e3\u5411\u4f3a\u670d\u5668\u65b0\u589e\u786c\u789f\u7684\u57fa\u672c\u6b65\u9a5f\u3002<\/p>\n

  \u5b89\u5168\u9810\u9632\u63aa\u65bd<\/h3>\n

  \u8655\u7406\u4f3a\u670d\u5668\u786c\u9ad4\u6642\uff1a<\/p>\n

  \n
  • \u5b8c\u5168\u95dc\u9589\u4f3a\u670d\u5668\u96fb\u6e90<\/li>\n
  • \u4e2d\u65b7\u6240\u6709\u96fb\u6e90\u9023\u63a5<\/li>\n
  • \u4f7f\u7528\u9632\u975c\u96fb\u4fdd\u8b77<\/li>\n
  • \u8a18\u9304\u7576\u524d\u786c\u789f\u914d\u7f6e<\/li>\n<\/ul>\n

    \u786c\u789f\u6aa2\u6e2c\u548c\u521d\u59cb\u5316<\/h3>\n

    \u5be6\u9ad4\u5b89\u88dd\u5f8c\uff0c\u4f7f\u7528\u9019\u4e9b\u6307\u4ee4\u9a57\u8b49\u7cfb\u7d71\u8b58\u5225\uff1a<\/p>\n

    # \u5217\u51fa\u6240\u6709\u5340\u584a\u88dd\u7f6e\r\nlsblk\r\n\r\n# \u67e5\u770b\u8a73\u7d30\u786c\u789f\u8cc7\u8a0a\r\nfdisk -l\r\n\r\n# \u67e5\u770b\u786c\u789f\u5065\u5eb7\u72c0\u6cc1\u548cSMART\u72c0\u614b\r\nsmartctl -a \/dev\/sdX<\/code><\/pre>\n
    \u786c\u789f\u5206\u5272\u548c\u6a94\u6848\u7cfb\u7d71\u8a2d\u5b9a<\/strong><\/h2>\n
    \u6b63\u78ba\u7684\u5206\u5272\u548c\u6a94\u6848\u7cfb\u7d71\u914d\u7f6e\u5c0d\u65bc\u6700\u4f73\u6548\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u5e38\u7528Linux\u5de5\u5177\u7684\u5be6\u969b\u7bc4\u4f8b\uff1a<\/p>\n
    # \u5efa\u7acb\u65b0\u7684GPT\u5206\u5272\u8868\r\nparted \/dev\/sdX mklabel gpt\r\n\r\n# \u4f7f\u7528\u6240\u6709\u53ef\u7528\u7a7a\u9593\u5efa\u7acb\u65b0\u5206\u5272\r\nparted \/dev\/sdX mkpart primary ext4 0% 100%\r\n\r\n# \u4f7f\u7528ext4\u683c\u5f0f\u5316\u5206\u5272\r\nmkfs.ext4 \/dev\/sdX1\r\n\r\n# \u5efa\u7acb\u639b\u8f09\u9ede\u4e26\u65b0\u589e\u5230fstab\r\nmkdir \/data\r\necho \"\/dev\/sdX1 \/data ext4 defaults,noatime 0 2\" >> \/etc\/fstab<\/code><\/pre>\n
    \u6548\u80fd\u512a\u5316<\/h3>\n
    \u4f7f\u7528\u9019\u4e9b\u95dc\u9375\u914d\u7f6e\u5fae\u8abf\u5132\u5b58\u7cfb\u7d71\uff1a<\/p>\n
    # \u8abf\u6574I\/O\u6392\u7a0b\u5668\r\necho \"noop\" > \/sys\/block\/sdX\/queue\/scheduler\r\n\r\n# \u512a\u5316\u9810\u8b80\u8a2d\u5b9a\r\nblockdev --setra 16384 \/dev\/sdX\r\n\r\n# \u70baSSD\u555f\u7528TRIM\r\nfstrim -v \/data<\/code><\/pre>\n
    \u9032\u968e\u6548\u80fd\u8abf\u512a<\/strong><\/h2>\n
    \u8b93\u6211\u5011\u5be6\u65bd\u9032\u968e\u512a\u5316\u4ee5\u6700\u5927\u5316\u5132\u5b58\u6548\u80fd\uff1a<\/p>\n
    I\/O\u6392\u7a0b\u5668\u914d\u7f6e<\/h3>\n
    \u4e0d\u540c\u7684\u5de5\u4f5c\u8ca0\u8f09\u9700\u8981\u7279\u5b9a\u7684I\/O\u6392\u7a0b\u5668\u8a2d\u5b9a\u3002\u4ee5\u4e0b\u662f\u5354\u52a9\u78ba\u5b9a\u6700\u4f73\u914d\u7f6e\u7684\u6548\u80fd\u6e2c\u8a66\u6307\u4ee4\u7a3f\uff1a<\/p>\n
    #!\/bin\/bash\r\n# \u6e2c\u8a66\u4e0d\u540c\u7684I\/O\u6392\u7a0b\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 \"\u6e2c\u8a66 $scheduler:\"\r\n    fio --name=random-write \\\r\n        --ioengine=libaio \\\r\n        --rw=randwrite \\\r\n        --bs=4k \\\r\n        --direct=1 \\\r\n        --size=1G \\\r\n        --numjobs=4 \\\r\n        --runtime=60 \\\r\n        --group_reporting \\\r\n        --filename=$test_file\r\ndone<\/code><\/pre>\n
    RAID\u914d\u7f6e\u4ee5\u63d0\u5347\u6548\u80fd<\/h3>\n
    \u5c0d\u65bc\u95dc\u9375\u4efb\u52d9\u61c9\u7528\u7a0b\u5f0f\uff0c\u8acb\u8003\u616e\u5be6\u65bdRAID\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u8a2d\u5b9aRAID 10\u4ee5\u7372\u5f97\u6700\u4f73\u6548\u80fd\u548c\u5099\u63f4\uff1a<\/p>\n
    # \u5efa\u7acbRAID 10\u9663\u5217\r\nmdadm --create \/dev\/md0 --level=10 --raid-devices=4 \/dev\/sd[b-e]1\r\n\r\n# \u76e3\u63a7RAID\u72c0\u614b\r\nwatch cat \/proc\/mdstat\r\n\r\n# \u914d\u7f6eRAID\u9663\u5217\u8a2d\u5b9a\r\necho 32768 > \/sys\/block\/md0\/md\/stripe_cache_size<\/code><\/pre>\n
    \u6548\u80fd\u76e3\u63a7\u548c\u7dad\u8b77<\/strong><\/h2>\n
    \u5b9a\u671f\u76e3\u63a7\u78ba\u4fdd\u6700\u4f73\u6548\u80fd\u3002\u5be6\u65bd\u9019\u4e9b\u5de5\u5177\u548c\u5be6\u52d9\uff1a<\/p>\n
    \u6548\u80fd\u76e3\u63a7\u5de5\u5177<\/h3>\n
    \n
    iostat – \u76e3\u63a7I\/O\u88dd\u7f6e\u8ca0\u8f09<\/li>\n
    iotop – \u8ffd\u8e64\u7a0b\u5e8f\u7684I\/O\u4f7f\u7528\u60c5\u6cc1<\/li>\n
    atop – \u7cfb\u7d71\u548c\u7a0b\u5e8f\u76e3\u63a7<\/li>\n<\/ul>\n
    \u7bc4\u4f8b\u76e3\u63a7\u6307\u4ee4\u7a3f\uff1a<\/p>\n
    #!\/bin\/bash\r\n# \u6301\u7e8c\u6548\u80fd\u76e3\u63a7\r\nwhile true; do\r\n    date\r\n    echo \"\u786c\u789fI\/O\u7d71\u8a08\uff1a\"\r\n    iostat -xm 5 2\r\n    echo \"\u6700\u9ad8I\/O\u7a0b\u5e8f\uff1a\"\r\n    iotop -b -n 1 | head -n 10\r\n    sleep 300\r\ndone > \/var\/log\/disk_performance.log<\/code><\/pre>\n
    \u7dad\u8b77\u6392\u7a0b<\/h3>\n
    \u5be6\u65bd\u9019\u4e9b\u7dad\u8b77\u4efb\u52d9\u4ee5\u78ba\u4fdd\u6301\u7e8c\u6548\u80fd\uff1a<\/p>\n
    \n
    \u6bcf\u9031\uff1aSMART\u72c0\u614b\u6aa2\u67e5<\/li>\n
    \u6bcf\u6708\uff1a\u6a94\u6848\u7cfb\u7d71\u5065\u5eb7\u9a57\u8b49<\/li>\n
    \u6bcf\u5b63\uff1a\u6548\u80fd\u57fa\u6e96\u6e2c\u8a66<\/li>\n<\/ul>\n
    \u6545\u969c\u6392\u9664\u548c\u6700\u4f73\u5be6\u52d9<\/strong><\/h2>\n
    \u77ad\u89e3\u5e38\u898b\u554f\u984c\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u6709\u52a9\u65bc\u7dad\u6301\u6700\u4f73\u5132\u5b58\u6548\u80fd\u3002\u4ee5\u4e0b\u662f\u95dc\u9375\u6545\u969c\u6392\u9664\u6b65\u9a5f\u548c\u6700\u4f73\u5be6\u52d9\uff1a<\/p>\n
    \u5e38\u898b\u554f\u984c\u548c\u89e3\u6c7a\u65b9\u6848<\/h3>\n
    # \u6aa2\u67e5\u786c\u789f\u932f\u8aa4\r\nsmartctl -t long \/dev\/sdX\r\n\r\n# \u9a57\u8b49\u7cfb\u7d71\u65e5\u8a8c\u4e2d\u7684\u786c\u789f\u932f\u8aa4\r\njournalctl -f | grep -i \"error\"\r\n\r\n# \u76e3\u63a7\u786c\u789f\u7a7a\u9593\u4f7f\u7528\u8da8\u52e2\r\ndf -h --output=source,pcent,ipcent | grep \"^\/dev\"<\/code><\/pre>\n
    \u6548\u80fd\u74f6\u9838\u5206\u6790<\/h3>\n
    \u4f7f\u7528\u9019\u4e9b\u6307\u4ee4\u8b58\u5225\u6548\u80fd\u74f6\u9838\uff1a<\/p>\n
    # \u6aa2\u67e5\u7576\u524d\u786c\u789f\u8f38\u9001\u91cf\r\niostat -xm 1\r\n\r\n# \u76e3\u63a7I\/O\u7b49\u5f85\u6642\u9593\r\nvmstat 1\r\n\r\n# \u8ffd\u8e64\u5132\u5b58\u5ef6\u9072\r\nioping -c 10 \/data<\/code><\/pre>\n
    \u9032\u968e\u63d0\u793a\u548c\u672a\u4f86\u8003\u91cf<\/strong><\/h2>\n
    \u8003\u616e\u9019\u4e9b\u91dd\u5c0d\u7279\u5b9a\u5de5\u4f5c\u8ca0\u8f09\u7684\u9032\u968e\u512a\u5316\u6280\u8853\uff1a<\/p>\n
    \n
    \u5be6\u65bdbcache\u7528\u65bcHDD\u8cc7\u6599\u7684SSD\u5feb\u53d6<\/li>\n
    \u4f7f\u7528LVM\u5be6\u73fe\u9748\u6d3b\u7684\u5132\u5b58\u7ba1\u7406<\/li>\n
    \u70baNVMe\u786c\u789f\u914d\u7f6e\u5206\u5272\u547d\u540d\u7a7a\u9593<\/li>\n<\/ul>\n
    \u5132\u5b58\u7684\u672a\u4f86\u898f\u5283<\/h3>\n
    \u900f\u904e\u4ee5\u4e0b\u8003\u91cf\u70ba\u672a\u4f86\u5132\u5b58\u9700\u6c42\u505a\u597d\u898f\u5283\uff1a<\/p>\n
    \n
    \u5b9a\u671f\u5bb9\u91cf\u898f\u5283\u5be9\u67e5<\/li>\n
    \u6548\u80fd\u8da8\u52e2\u5206\u6790<\/li>\n
    \u6280\u8853\u5347\u7d1a\u8def\u5f91<\/li>\n<\/ul>\n
    \u7d50\u8ad6<\/strong><\/h2>\n
    \u512a\u5316\u4f3a\u670d\u5668\u5132\u5b58\u6548\u80fd\u9700\u8981\u5728\u786c\u9ad4\u9078\u64c7\u3001\u914d\u7f6e\u548c\u7dad\u8b77\u65b9\u9762\u63a1\u53d6\u5e73\u8861\u7684\u65b9\u6cd5\u3002\u900f\u904e\u9075\u5faa\u672c\u6307\u5357\uff0c\u60a8\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u7f8e\u570b\u4f3a\u670d\u5668\u7684\u5132\u5b58\u6548\u80fd\uff0c\u540c\u6642\u78ba\u4fdd\u53ef\u9760\u6027\u548c\u53ef\u64f4\u5c55\u6027\u3002\u8acb\u8a18\u4f4f\u5b9a\u671f\u76e3\u63a7\u6548\u80fd\u6307\u6a19\uff0c\u4e26\u6839\u64da\u60a8\u7684\u7279\u5b9a\u5de5\u4f5c\u8ca0\u8f09\u8981\u6c42\u8abf\u6574\u914d\u7f6e\u3002<\/p>\n
    \u70ba\u4e86\u7372\u5f97\u6700\u4f73\u7684\u4f3a\u670d\u5668\u5132\u5b58\u6548\u80fd\uff0c\u8acb\u8003\u616e\u5c07\u9019\u4e9b\u5be6\u52d9\u8207\u5b9a\u671f\u7684\u786c\u9ad4\u66f4\u65b0\u548c\u7dad\u8b77\u8a08\u756b\u4e00\u8d77\u5be6\u65bd\u3002\u7121\u8ad6\u60a8\u662f\u7d93\u71df\u9ad8\u6d41\u91cf\u7db2\u7ad9\u9084\u662f\u7ba1\u7406\u5927\u578b\u8cc7\u6599\u5eab\uff0c\u9069\u7576\u7684\u5132\u5b58\u512a\u5316\u90fd\u662f\u7dad\u6301\u4f3a\u670d\u5668\u9ad8\u5cf0\u6548\u80fd\u7684\u95dc\u9375\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u4f3a\u670d\u5668\u5132\u5b58\u512a\u5316\u5c0d\u65bc\u7dad\u8b77\u9ad8\u6548\u80fd\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u7121\u8ad6\u60a8\u662f\u7d93\u71df\u9ad8\u6d41\u91cf\u7db2\u7ad9\u9084\u662f\u7ba1\u7406\u5927\u578b\u8cc7\u6599\u96c6\uff0c\u77ad\u89e3\u5982\u4f55\u5728 […]<\/p>\n
    Read More…<\/a><\/p>\n","protected":false},"author":3,"featured_media":21142,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4815],"tags":[5630,5631,5632,5633,5634],"class_list":["post-21145","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-america-dedicated-server-tc","tag-server-storage-optimization-tc","tag-server-disk-installation-tc","tag-us-server-configuration-tc","tag-storage-performance-tuning-tc","tag-server-disk-management-tc"],"acf":[],"yoast_head":"\n