{"id":95969,"date":"2020-04-07T16:27:44","date_gmt":"2020-04-07T08:27:44","guid":{"rendered":"http:\/\/4563.org\/?p=95969"},"modified":"2020-04-07T16:27:44","modified_gmt":"2020-04-07T08:27:44","slug":"%e6%9c%89%e6%b2%a1%e6%9c%89%e4%b8%80%e7%a7%8d-ssd-%e5%92%8c-hdd-%e7%9a%84%e6%b7%b7%e5%90%88%e6%96%87%e4%bb%b6%e7%b3%bb%e7%bb%9f%e6%96%b9%e6%a1%88","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=95969","title":{"rendered":"\u6709\u6ca1\u6709\u4e00\u79cd SSD \u548c HDD \u7684\u6df7\u5408\u6587\u4ef6\u7cfb\u7edf\u65b9\u6848?"},"content":{"rendered":"
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\u6709\u6ca1\u6709\u4e00\u79cd SSD \u548c HDD \u7684\u6df7\u5408\u6587\u4ef6\u7cfb\u7edf\u65b9\u6848? <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : strahe <\/span> <\/i> 66<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u73b0\u5728\u6709\u4e2a\u9700\u6c42\u5982\u4e0b:<\/p>\n

\u9700\u8981\u8bbe\u8ba1\u4e00\u4e2a\u4e00\u4e2a\u5b58\u50a8\u7cfb\u7edf, \u4e00\u5f00\u59cb\u6570\u636e\u662f\u7a7a\u7684, \u9700\u8981\u5927\u91cf\u5199\u5165\u6570\u636e, \u5199\u5165\u9700\u6c42\u8fdc\u5927\u4e8e\u8bfb\u53d6.\u6570\u636e\u53ef\u80fd\u662f PB \u7ea7\u7684(\u603b\u6570\u636e\u91cf, \u5355\u8282\u70b9\u4e0d\u9700\u8981\u8fd9\u4e48\u5927).<\/p>\n

\u8feb\u4e8e\u6210\u672c, \u4e0d\u53ef\u80fd\u5168\u90e8\u4f7f\u7528 SSD, \u4f46\u7cfb\u7edf\u975e\u5e38\u5728\u610f\u5199\u5165\u6027\u80fd. \u6709\u6ca1\u6709\u4e00\u79cd\u53ef\u80fd\u6027(\u6216\u8005\u73b0\u6210\u7684\u6280\u672f\u65b9\u6848), \u5c06 SSD \u548c HDD \u7ec4\u5408\u4e3a\u6df7\u5408\u6587\u4ef6\u7cfb\u7edf, \u5199\u5165\u5148\u5199\u5230 SSD, \u6587\u4ef6\u7cfb\u7edf\u5e95\u5c42\u518d\u79fb\u52a8\u5230 HDD.\u5e94\u7528\u65e0\u611f\u77e5?<\/p>\n

\u6bd4\u5982\u4e00\u53f0 2U, 12 \u76d8\u4f4d\u7684\u670d\u52a1\u5668, \u63d2\u5165 2SSD+10HDD.\u5199\u5165\u6027\u80fd\u53ef\u4ee5\u63a5\u8fd1 SSD, \u8bfb\u53d6\u6027\u80fd\u63a5\u8fd1 HDD \u5373\u53ef.<\/p>\n<\/p><\/div>\n

<\/p>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (22<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Remember <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    zfs \u554a, \u52a0 ssd \u505a L2ARC \u7f13\u5b58\u5c31\u597d,\u5c31\u662f\u5185\u5b58\u9700\u6c42\u5f88\u5927. <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : secondwtq <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4f60\u5199\u592a\u5feb\u628a SSD \u6324\u6ee1\u4e86\u4e0d\u8fd8\u662f\u6ca1\u529e\u6cd5 … <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : stiekel <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    OS X \u6709\u4e2a Fusion Drive\u3002Linux \u751a\u81f3\u90fd\u4e0d\u9700\u8981 SSD\uff0c\u76f4\u63a5 RAM + HDD https:\/\/www.anandtech.com\/show\/3963\/zfs-building-testing-and-benchmarking\/2 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : secondwtq <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Remember \u5199\u5165\u7684\u8bdd\u5e94\u8be5\u662f\u52a0 SLOG \u5427 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : strahe <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Remember
    @stiekel <\/p>\n

    \u591a\u8c22, \u6211\u770b\u770b <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : strahe <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @secondwtq \u80fd\u628a\u591a\u4e2a hdd \u6027\u80fd\u5360\u6ee1\u5c31\u6ee1\u8db3\u4e86. <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Sylv <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    bcache \u4e86\u89e3\u4e00\u4e0b\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : strahe <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Sylv \u591a\u8c22, \u6211\u4e86\u89e3\u4e0b. <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : gstqc <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5982\u679c\u6301\u7eed\u5199\u5165\u901f\u5ea6\u5927\u4e8e HDD \u901f\u5ea6\u4e4b\u548c\uff0c\u5199\u6ee1\u7f13\u5b58\u540e\uff0c\u6700\u7ec8\u8fd8\u662f\u5728\u7b49\u5f85 HDD \u5199\u5165 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : murmur <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6709\u7684\uff0c\u73b0\u5728\u7684 NAS \u90fd\u662f\u652f\u6301 ssd \u7f13\u5b58\u7684\uff0c\u770b\u7ffc\u738b\u7684\u89c6\u9891\u5c31\u77e5\u9053\u4e86
    \u8fd8\u6709 iMac \u8fd9\u79cd\u4e00\u4e07\u591a\u7684\u7535\u8111\u8fd8\u5728\u7528\u673a\u68b0\u786c\u76d8 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : shoaly <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @gstqc \u5b9e\u9645\u60c5\u51b5\u662f \u5cf0\u503c\u5199\u5165\u901f\u5ea6\u4f1a\u8d85\u8fc7 hdd \u7684\u8bfb\u5199\u901f\u5ea6, \u4f46\u662f\u5cf0\u8c37 \u53c8\u8dd1\u4e0d\u6ee1 hdd , \u6240\u4ee5\u6709\u4e00\u4e2a\u7f13\u5b58\u4f5c\u4e3a hdd \u7684\u524d\u7f6e\u5012\u662f\u6709\u7528 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : xenme <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u770b\u9700\u6c42\u5cf0\u503c\u591a\u5927\u548c\u9700\u8981\u591a\u5927\u7f13\u5b58\u3002
    \u5c0f\u7684 raid \u5361\u81ea\u5e26\u7684 cache \uff08\u5185\u5b58\uff09\u5c31\u80fd\u9876\u4f4f<\/p>\n

    \u8fd9\u4e2a\u57fa\u672c\u5f97\u4f60\u7684\u6570\u636e\u975e\u5e38\u5177\u4f53\u624d\u80fd\u63a8\u8350\u5177\u4f53\u591a\u5c11\u3002
    \u4e13\u4e1a\u5356\u5b58\u50a8\u7684\u8fd8\u5206\u4e00\u5806\u578b\u53f7\uff0ccache \u7ea7\u522b\u4e5f\u4e0d\u540c\uff0c\u573a\u666f\u4e5f\u4e0d\u4e00\u6837 <\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : tigerstudent <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u73b0\u5728 SSD \u964d\u4ef7\u4e86\uff0c\u8fd9\u4e2a\u65b9\u6848\u7684\u4ef7\u503c\u6ca1\u90a3\u4e48\u5927\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : mcfog <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    RocksDB <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : also24 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Remember #1
    L2ARC \u662f\u8bfb\u7f13\u5b58\uff0c\u4e0d\u662f\u5199\u7f13\u5b58\u554a\u3002<\/p>\n

    @secondwtq #4
    ZIL\/SLOG \u66f4\u5927\u7684\u4f5c\u7528\u4f3c\u4e4e\u662f\u964d\u4f4e\u5199\u5165\u5ef6\u8fdf\u548c\u4fdd\u8bc1\u6570\u636e\u7684\u5b89\u5168\u6027\u3002
    \u6211\u770b\u5230\u7684\u4e00\u4e2a\u8bf4\u6cd5\u662f\uff0c\u6bcf 5 \u79d2\u949f\u6570\u636e\u5c31\u4f1a\u88ab\u5237\u65b0\u5199\u5165\u5230\u6700\u7ec8\u4f4d\u7f6e\uff0c\u786e\u5b9e\u5982\u6b64\u7684\u8bdd\uff0c\u4f3c\u4e4e\u5bf9 \u300e\u8fde\u7eed\u5199\u5165\u300f\u7684\u5e2e\u52a9\u4e0d\u5927\u3002<\/p>\n

    > OpenZFS aggregates your writes into \u201ctransaction groups\u201d which are flushed to their final location periodically (every 5 seconds in FreeNAS & TrueNAS).
    > \u6765\u6e90\uff1a https:\/\/www.ixsystems.com\/blog\/o-slog-not-slog-best-configure-zfs-intent-log\/ <\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : locoz <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    unraid \uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : also24 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e2a\u4eba\u86ee\u63a8\u8350 Windows Server \u5206\u5c42\u5b58\u50a8\u7684\uff1a<\/p>\n

    \u662f\u5b58\u50a8\u6c60\u5e26\u7684\u529f\u80fd\uff0c\u4f01\u4e1a\u7ea7\uff0c\u5982\u679c\u4f7f\u7528 Win \u7cfb\uff0c\u53ef\u4ee5\u8003\u8651\u4e0b
    https:\/\/docs.microsoft.com\/zh-cn\/windows-server\/storage\/storage-spaces\/understand-the-cache <\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : strahe <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @also24 \u8c22\u8c22, \u5e94\u7528\u539f\u56e0,\u53ef\u4ee5\u786e\u5b9a\u4e0d\u7528 win. <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : strahe <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @xenme
    @also24 \u6211\u5e94\u7528\u573a\u666f\u4e3b\u8981\u662f\u6301\u7eed\u5927\u6587\u4ef6\u5199\u5165. <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : also24 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @strahe #18
    \u90a3\u5c31\u8003\u8651 bcache \/ LVM cache \/ dm-cache \u5427<\/p>\n

    \u4e0d\u8fc7\u8bf4\u5b9e\u8bdd\uff0cPB \u7ea7\u522b\u7684\u8bdd\uff0c\u5e94\u8be5\u8981\u8003\u8651\u76f4\u63a5 CEPH \u4e86\u5427\uff0cCEPH \u662f\u652f\u6301\u5206\u5c42\u7f13\u5b58\u7684\uff1a
    http:\/\/docs.ceph.org.cn\/rados\/operations\/cache-tiering\/ <\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : julyclyde <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8fd9\u4e1c\u897f\u8fd8\u6ca1\u6210\u719f\u5c31\u5df2\u7ecf\u5931\u53bb\u610f\u4e49\u4e86
    \u73b0\u5728\u6d41\u884c\u7eaf SSD <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : fqzz <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u201c\u5199\u5165\u6027\u80fd\u53ef\u4ee5\u63a5\u8fd1 SSD, \u8bfb\u53d6\u6027\u80fd\u63a5\u8fd1 HDD \u5373\u53ef\u201d
    \u5404\u79cd\u7f13\u5b58\u65b9\u6848\u90fd\u6709\u5f88\u53ef\u80fd\u9000\u5316\uff0c\u8bfb\u5199\u90fd\u662f hdd \u7684\u901f\u5ea6\uff0c\u6216\u8005\u66f4\u5dee\u3002\u5c24\u5176\u5927\u91cf\u6301\u7eed\u5199\uff0c\u4e25\u91cd\u4f9d\u8d56\u7f13\u5b58\u5927\u5c0f\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    \u6709\u6ca1\u6709\u4e00\u79cd SSD \u548c HDD \u7684…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/95969"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=95969"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/95969\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=95969"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=95969"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=95969"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}