<script type="application/ld+json">{"@context":"http://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://www.simcentric.com/sc/home-update-2026/"},{"@type":"ListItem","position":2,"name":"如何为香港服务器选择SSD？","item":"https://www.simcentric.com/hong-kong-dedicated-server/how-to-choose-the-ssd-for-hong-kong-servers/"}]}</script> {"id":21480,"date":"2025-01-27T08:00:21","date_gmt":"2025-01-27T00:00:21","guid":{"rendered":"https:\/\/www.simcentric.com\/uncategorized-sc\/how-to-choose-the-ssd-for-hong-kong-servers\/"},"modified":"2025-01-08T10:51:47","modified_gmt":"2025-01-08T02:51:47","slug":"how-to-choose-the-ssd-for-hong-kong-servers","status":"publish","type":"post","link":"https:\/\/www.simcentric.com\/sc\/hong-kong-dedicated-server-sc\/how-to-choose-the-ssd-for-hong-kong-servers\/","title":{"rendered":"\u5982\u4f55\u4e3a\u9999\u6e2f\u670d\u52a1\u5668\u9009\u62e9SSD\uff1f"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text css=&#8221;&#8221;]<\/p>\n<p>\u4e3a<a href=\"https:\/\/www.simcentric.com\/sc\/products\/dedicated-server-hk\/\" target=\"_blank\" rel=\"noopener\">\u9999\u6e2f\u670d\u52a1\u5668<\/a>\u90e8\u7f72\u9009\u62e9\u5408\u9002\u7684<a href=\"https:\/\/www.simcentric.com\/sc\/hong-kong-dedicated-server-sc\/nand-flash-technology-in-ssds-for-hong-kong-server-storage\/\" target=\"_blank\" rel=\"noopener\">SSD\u5b58\u50a8\u89e3\u51b3\u65b9\u6848<\/a>\u9700\u8981\u4ed4\u7ec6\u8003\u8651\u591a\u4e2a\u6280\u672f\u56e0\u7d20\u3002\u672c\u7efc\u5408\u6307\u5357\u63a2\u8ba8\u4e86\u5728\u9ad8\u6027\u80fd\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2dSSD\u5b9e\u65bd\u7684\u5173\u952e\u65b9\u9762\uff0c\u7279\u522b\u5173\u6ce8\u9999\u6e2f\u72ec\u7279\u7684\u6570\u636e\u4e2d\u5fc3\u751f\u6001\u7cfb\u7edf\u3002<\/p>\n<h2><strong>\u7406\u89e3SSD\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n<p>\u8bc4\u4f30\u670d\u52a1\u5668\u90e8\u7f72\u7684SSD\u65f6\uff0c\u9700\u8981\u5173\u6ce8\u4e09\u4e2a\u5173\u952e\u6027\u80fd\u6307\u6807\uff1aIOPS\uff08\u6bcf\u79d2\u8f93\u5165\/\u8f93\u51fa\u64cd\u4f5c\u6570\uff09\u3001\u541e\u5410\u91cf\u548c\u5ef6\u8fdf\u3002\u5bf9\u4e8e\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u800c\u8a00\uff0c\u7531\u4e8e\u9ad8\u5bc6\u5ea6\u8ba1\u7b97\u9700\u6c42\u548c\u82db\u523b\u7684\u5e94\u7528\u8981\u6c42\uff0c\u8fd9\u4e9b\u6307\u6807\u53d8\u5f97\u5c24\u4e3a\u91cd\u8981\u3002<\/p>\n<h3>IOPS\u6027\u80fd\u57fa\u51c6<\/h3>\n<style>\n    .performance-table {<br \/>\n        width: 100%;<br \/>\n        border-collapse: collapse;<br \/>\n        margin: 20px 0;<br \/>\n        box-shadow: 0 1px 3px rgba(0,0,0,0.2);<br \/>\n    }<br \/>\n    .performance-table th, .performance-table td {<br \/>\n        border: 2px solid #ddd;<br \/>\n        padding: 12px;<br \/>\n        text-align: left;<br \/>\n    }<br \/>\n    .performance-table th {<br \/>\n        background-color: #f8f9fa;<br \/>\n        font-weight: bold;<br \/>\n        border-bottom: 3px solid #ddd;<br \/>\n    }<br \/>\n    .performance-table tr:hover {<br \/>\n        background-color: #f5f5f5;<br \/>\n    }<br \/>\n<\/style>\n<table class=\"performance-table\">\n<tbody>\n<tr>\n<th>SSD\u7c7b\u578b<\/th>\n<th>\u968f\u673a\u8bfb\u53d6IOPS<\/th>\n<th>\u968f\u673a\u5199\u5165IOPS<\/th>\n<th>\u6df7\u5408\u5de5\u4f5c\u8d1f\u8f7dIOPS<\/th>\n<\/tr>\n<tr>\n<td>\u4f01\u4e1a\u7ea7SATA<\/td>\n<td>98,000<\/td>\n<td>88,000<\/td>\n<td>92,000<\/td>\n<\/tr>\n<tr>\n<td>\u4f01\u4e1a\u7ea7SAS<\/td>\n<td>400,000<\/td>\n<td>250,000<\/td>\n<td>320,000<\/td>\n<\/tr>\n<tr>\n<td>\u4f01\u4e1a\u7ea7NVMe<\/td>\n<td>1,000,000+<\/td>\n<td>800,000+<\/td>\n<td>900,000+<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8ba9\u6211\u4eec\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u884c\u5de5\u5177\u5206\u6790\u5178\u578b\u6027\u80fd\u57fa\u51c6\uff1a<\/p>\n<pre><code>\r\nfio --filename=\/dev\/nvme0n1 --direct=1 --rw=randrw \\\r\n    --bs=4k --size=4G --numjobs=64 --runtime=240 \\\r\n    --group_reporting --name=4k-mixed-test\r\n\r\n# \u5199\u5165\u8010\u4e45\u6027\u5ef6\u5c55\u6d4b\u8bd5\r\nfio --filename=\/dev\/nvme0n1 --direct=1 --rw=write \\\r\n    --bs=128k --size=10G --numjobs=32 --runtime=3600 \\\r\n    --group_reporting --name=endurance-test\r\n<\/code><\/pre>\n<h2><strong>\u9999\u6e2f\u6c14\u5019\u4e0b\u7684\u5148\u8fdb\u6563\u70ed\u7ba1\u7406<\/strong><\/h2>\n<p>\u9999\u6e2f\u7684\u4e9a\u70ed\u5e26\u6c14\u5019\u4e3aSSD\u6563\u70ed\u5e26\u6765\u72ec\u7279\u6311\u6218\u3002\u4f01\u4e1a\u7ea7SSD\u901a\u5e38\u57280-70\u00b0C\u4e4b\u95f4\u6700\u4f73\u8fd0\u884c\u3002\u7136\u800c\uff0c\u6570\u636e\u4e2d\u5fc3\u5fc5\u987b\u5b9e\u65bd\u590d\u6742\u7684\u6563\u70ed\u89e3\u51b3\u65b9\u6848\u4ee5\u7ef4\u6301\u6700\u4f73\u6027\u80fd\u3002<\/p>\n<div class=\"warning-box\">\n<h4>\u5173\u952e\u6e29\u5ea6\u9608\u503c\uff1a<\/h4>\n<ul>\n<li>\u6700\u4f73\u8fd0\u884c\u8303\u56f4\uff1a20-45\u00b0C<\/li>\n<li>\u8b66\u544a\u9608\u503c\uff1a50\u00b0C<\/li>\n<li>\u4e34\u754c\u9608\u503c\uff1a65\u00b0C<\/li>\n<li>\u9650\u901f\u70b9\uff1a70\u00b0C<\/li>\n<\/ul>\n<\/div>\n<p>\u5e26\u544a\u8b66\u529f\u80fd\u7684\u589e\u5f3a\u578b\u6e29\u5ea6\u76d1\u63a7\u811a\u672c\uff1a<\/p>\n<pre><code>\r\n#!\/bin\/bash\r\nCRITICAL_TEMP=70\r\nWARNING_TEMP=50\r\n\r\nmonitor_temp() {\r\n    while true; do\r\n        TEMP=$(nvme smart-log \/dev\/nvme0 | grep \"temperature\" | awk '{print $3}')\r\n        \r\n        if [ $TEMP -ge $CRITICAL_TEMP ]; then\r\n            logger -p daemon.crit \"\u4e25\u91cd\uff1aSSD\u6e29\u5ea6\u8fbe\u5230${TEMP}\u00b0C\"\r\n            send_alert \"\u4e25\u91cd\" $TEMP\r\n        elif [ $TEMP -ge $WARNING_TEMP ]; then\r\n            logger -p daemon.warning \"\u8b66\u544a\uff1aSSD\u6e29\u5ea6\u8fbe\u5230${TEMP}\u00b0C\"\r\n            send_alert \"\u8b66\u544a\" $TEMP\r\n        fi\r\n        \r\n        echo \"$(date): \u6e29\u5ea6\uff1a${TEMP}\u00b0C\"\r\n        sleep 60\r\n    done\r\n}\r\n\r\nsend_alert() {\r\n    local SEVERITY=$1\r\n    local TEMP=$2\r\n    # \u5728\u6b64\u6dfb\u52a0\u60a8\u7684\u544a\u8b66\u673a\u5236\uff08\u7535\u5b50\u90ae\u4ef6\u3001\u77ed\u4fe1\u7b49\uff09\r\n}\r\n\r\nmonitor_temp\r\n<\/code><\/pre>\n<h2><strong>\u9ad8\u7ea7\u63a5\u53e3\u9009\u62e9\uff1aSATA\u4e0eSAS\u53caNVMe\u6bd4\u8f83<\/strong><\/h2>\n<p>\u73b0\u4ee3\u670d\u52a1\u5668\u6258\u7ba1\u8bbe\u65bd\u8d8a\u6765\u8d8a\u503e\u5411\u4e8e\u9009\u62e9NVMe SSD\uff0c\u8fd9\u662f\u7531\u4e8e\u5176\u5353\u8d8a\u7684\u6027\u80fd\u7279\u5f81\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u6bd4\u8f83\uff1a<\/p>\n<h3>\u63a5\u53e3\u6027\u80fd\u5bf9\u6bd4<\/h3>\n<table class=\"performance-table\">\n<tbody>\n<tr>\n<th>\u63a5\u53e3<\/th>\n<th>\u7406\u8bba\u5e26\u5bbd<\/th>\n<th>\u5b9e\u9645\u5e26\u5bbd<\/th>\n<th>\u5ef6\u8fdf<\/th>\n<\/tr>\n<tr>\n<td>SATA III<\/td>\n<td>6 Gb\/s<\/td>\n<td>~550 MB\/s<\/td>\n<td>~100\u03bcs<\/td>\n<\/tr>\n<tr>\n<td>SAS-3<\/td>\n<td>12 Gb\/s<\/td>\n<td>~1,100 MB\/s<\/td>\n<td>~50\u03bcs<\/td>\n<\/tr>\n<tr>\n<td>PCIe 4.0 x4 NVMe<\/td>\n<td>64 Gb\/s<\/td>\n<td>~7,000 MB\/s<\/td>\n<td>~10\u03bcs<\/td>\n<\/tr>\n<tr>\n<td>PCIe 5.0 x4 NVMe<\/td>\n<td>128 Gb\/s<\/td>\n<td>~14,000 MB\/s<\/td>\n<td>~5\u03bcs<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><strong>\u589e\u5f3a\u578b\u8010\u4e45\u5ea6\u548c\u53ef\u9760\u6027\u6307\u6807<\/strong><\/h2>\n<p>\u4f01\u4e1a\u7ea7\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u9700\u8981\u7cbe\u786e\u7684\u8010\u4e45\u6027\u6d4b\u91cf\uff1a<\/p>\n<h3>\u8010\u4e45\u5ea6\u7c7b\u522b<\/h3>\n<ul>\n<li>\u8bfb\u53d6\u5bc6\u96c6\u578b\uff1a0.5-1 DWPD<\/li>\n<li>\u6df7\u5408\u4f7f\u7528\uff1a1-3 DWPD<\/li>\n<li>\u5199\u5165\u5bc6\u96c6\u578b\uff1a3-10 DWPD<\/li>\n<\/ul>\n<p>SSD\u5065\u5eb7\u5ea6\u548c\u8010\u4e45\u6027\u76d1\u63a7\u811a\u672c\uff1a<\/p>\n<pre><code>\r\n#!\/bin\/bash\r\ncheck_ssd_health() {\r\n    nvme smart-log \/dev\/nvme0 | grep -E \"critical_warning|percentage_used|data_units_written|power_cycles|power_on_hours\"\r\n    \r\n    # \u8ba1\u7b97\u5269\u4f59\u5bff\u547d\r\n    PERCENT_USED=$(nvme smart-log \/dev\/nvme0 | grep \"percentage_used\" | awk '{print $3}')\r\n    REMAINING_LIFE=$((100 - PERCENT_USED))\r\n    echo \"\u9884\u8ba1\u5269\u4f59\u5bff\u547d\uff1a${REMAINING_LIFE}%\"\r\n}\r\n\r\ncheck_ssd_health\r\n<\/code><\/pre>\n<h2><strong>\u9ad8\u7ea7\u6210\u672c\u6548\u76ca\u5206\u6790<\/strong><\/h2>\n<p>\u589e\u5f3a\u578b\u603b\u62e5\u6709\u6210\u672c\uff08TCO\uff09\u8ba1\u7b97\u516c\u5f0f\uff0c\u5305\u542b\u989d\u5916\u56e0\u7d20\uff1a<\/p>\n<pre><code>\r\n\u603b\u62e5\u6709\u6210\u672c = \u521d\u59cb\u6210\u672c + \r\n      (\u7535\u529b\u6210\u672c \u00d7 \u5e74\u6570) + \r\n      (\u6563\u70ed\u6210\u672c \u00d7 \u5e74\u6570) + \r\n      (\u7ef4\u62a4\u6210\u672c \u00d7 \u5e74\u6570) + \r\n      (\u66f4\u6362\u6210\u672c \u00d7 (\u5e74\u6570 \u00f7 \u9884\u671f\u5bff\u547d)) +\r\n      (\u505c\u673a\u6210\u672c \u00d7 \u9884\u671f\u505c\u673a\u5c0f\u65f6\u6570) -\r\n      (\u6027\u80fd\u6536\u76ca \u00d7 \u5e74\u6570) -\r\n      (\u8282\u7535\u6536\u76ca \u00d7 \u5e74\u6570)\r\n<\/code><\/pre>\n<h2><strong>\u4f01\u4e1a\u7ea7\u6027\u80fd\u4f18\u5316<\/strong><\/h2>\n<p>\u6700\u5927\u5316\u6027\u80fd\u7684\u9ad8\u7ea7\u5185\u6838\u53c2\u6570\uff1a<\/p>\n<pre><code>\r\n# \u6dfb\u52a0\u5230 \/etc\/sysctl.conf\r\nvm.swappiness = 10\r\nvm.dirty_ratio = 10\r\nvm.dirty_background_ratio = 5\r\nvm.vfs_cache_pressure = 50\r\nkernel.numa_balancing = 0\r\nvm.zone_reclaim_mode = 0\r\n\r\n# \u9488\u5bf9NVMe\u8bbe\u5907\r\necho \"none\" &gt; \/sys\/class\/block\/nvme0n1\/queue\/scheduler\r\necho 2048 &gt; \/sys\/class\/block\/nvme0n1\/queue\/nr_requests\r\necho 1024 &gt; \/sys\/class\/block\/nvme0n1\/queue\/read_ahead_kb\r\n<\/code><\/pre>\n<h2><strong>\u9ad8\u7ea7\u5197\u4f59\u548c\u6570\u636e\u4fdd\u62a4<\/strong><\/h2>\n<p>\u5177\u6709\u6700\u4f73\u53c2\u6570\u7684\u4f01\u4e1a\u7ea7ZFS\u914d\u7f6e\uff1a<\/p>\n<pre><code>\r\n# \u521b\u5efa\u9ad8\u6027\u80fd\u5b58\u50a8\u6c60\r\nzpool create -o ashift=12 \\\r\n      -O compression=lz4 \\\r\n      -O atime=off \\\r\n      -O recordsize=128k \\\r\n      -O xattr=sa \\\r\n      -O dnodesize=auto \\\r\n      -O sync=disabled \\\r\n      datapool mirror nvme0n1 nvme1n1\r\n\r\n# \u8bbe\u7f6e\u989d\u5916\u6027\u80fd\u53c2\u6570\r\nzfs set primarycache=metadata datapool\r\nzfs set secondarycache=all datapool\r\nzfs set redundant_metadata=most datapool\r\n<\/code><\/pre>\n<h2><strong>\u9762\u5411\u672a\u6765\u7684\u6280\u672f\u53ca\u65b0\u5174\u6280\u672f<\/strong><\/h2>\n<p>\u503c\u5f97\u5173\u6ce8\u7684\u4e0b\u4e00\u4ee3\u5b58\u50a8\u6280\u672f\uff1a<\/p>\n<ul>\n<li>PCIe 5.0 NVMe SSD\uff0c\u987a\u5e8f\u901f\u5ea6\u9ad8\u8fbe14 GB\/s<\/li>\n<li>CXL\uff08\u8ba1\u7b97\u5feb\u901f\u94fe\u63a5\uff09\u5b58\u50a8\u8bbe\u5907<\/li>\n<li>\u5206\u533a\u547d\u540d\u7a7a\u95f4\uff08ZNS\uff09\u63d0\u5347\u8010\u4e45\u6027<\/li>\n<li>\u8ba1\u7b97\u5b58\u50a8\u8bbe\u5907\uff08CSDs\uff09<\/li>\n<\/ul>\n<h2><strong>\u76d1\u63a7\u548c\u7ef4\u62a4\u6700\u4f73\u5b9e\u8df5<\/strong><\/h2>\n<p>\u4f7f\u7528\u6b64Prometheus\u517c\u5bb9\u811a\u672c\u5b9e\u65bd\u5168\u9762\u76d1\u63a7\uff1a<\/p>\n<pre><code>\r\n#!\/bin\/bash\r\n# \u7528\u4e8ePrometheus\u8282\u70b9\u5bfc\u51fa\u5668\u7684SSD\u6307\u6807\u6536\u96c6\u5668\r\n\r\ncollect_metrics() {\r\n    echo \"# HELP ssd_temperature SSD\u5f53\u524d\u6e29\u5ea6\"\r\n    echo \"# TYPE ssd_temperature gauge\"\r\n    TEMP=$(nvme smart-log \/dev\/nvme0 | grep temperature | awk '{print $3}')\r\n    echo \"ssd_temperature{device=\\\"nvme0\\\"} $TEMP\"\r\n\r\n    echo \"# HELP ssd_wear_level SSD\u5f53\u524d\u635f\u8017\u6c34\u5e73\"\r\n    echo \"# TYPE ssd_wear_level gauge\"\r\n    WEAR=$(nvme smart-log \/dev\/nvme0 | grep percentage_used | awk '{print $3}')\r\n    echo \"ssd_wear_level{device=\\\"nvme0\\\"} $WEAR\"\r\n}\r\n\r\ncollect_metrics &gt; \/var\/lib\/node_exporter\/ssd_metrics.prom\r\n<\/code><\/pre>\n<p>\u5b9a\u671f\u7ef4\u62a4\u8ba1\u5212\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li>\u6bcf\u65e5\uff1a\u76d1\u63a7\u6e29\u5ea6\u548c\u635f\u8017\u6c34\u5e73<\/li>\n<li>\u6bcf\u5468\uff1a\u68c0\u67e5SMART\u5c5e\u6027\u548c\u6027\u80fd\u6307\u6807<\/li>\n<li>\u6bcf\u6708\uff1a\u5206\u6790\u8d8b\u52bf\u6570\u636e\u548c\u89c4\u5212\u5bb9\u91cf\u5347\u7ea7<\/li>\n<li>\u6bcf\u5b63\uff1a\u56fa\u4ef6\u66f4\u65b0\u548c\u5168\u9762\u5065\u5eb7\u8bc4\u4f30<\/li>\n<\/ul>\n<footer>\u901a\u8fc7\u9075\u5faa\u8fd9\u4e9b\u5168\u9762\u7684\u6307\u5357\u5e76\u5b9e\u65bd\u9002\u5f53\u7684\u76d1\u63a7\u548c\u7ef4\u62a4\u534f\u8bae\uff0c\u60a8\u53ef\u4ee5\u4f18\u5316\u9999\u6e2f\u6570\u636e\u4e2d\u5fc3\u7684\u5b58\u50a8\u57fa\u7840\u8bbe\u65bd\uff0c\u5b9e\u73b0\u6700\u5927\u6548\u7387\u3001\u53ef\u9760\u6027\u548c\u6027\u80fd\u3002<\/p>\n<\/footer>\n<p>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text css=&#8221;&#8221;] \u4e3a\u9999\u6e2f\u670d\u52a1\u5668\u90e8\u7f72\u9009\u62e9\u5408\u9002\u7684SSD\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\u9700\u8981\u4ed4\u7ec6\u8003\u8651\u591a\u4e2a\u6280\u672f\u56e0\u7d20\u3002\u672c\u7efc\u5408\u6307\u5357\u63a2\u8ba8\u4e86\u5728\u9ad8\u6027\u80fd\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2dSSD\u5b9e\u65bd\u7684\u5173\u952e\u65b9\u9762\uff0c\u7279\u522b\u5173\u6ce8\u9999\u6e2f\u72ec\u7279\u7684\u6570\u636e\u4e2d\u5fc3\u751f\u6001\u7cfb\u7edf\u3002 \u7406\u89e3SSD\u6027\u80fd\u6307\u6807 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