{"id":1764,"date":"2012-10-01T05:09:31","date_gmt":"2012-09-30T21:09:31","guid":{"rendered":"https:\/\/www.csslayer.info\/wordpress\/?p=1764"},"modified":"2012-10-01T05:09:31","modified_gmt":"2012-09-30T21:09:31","slug":"%e6%9c%80%e8%bf%91%e7%9a%84%e6%8a%98%e8%85%be%e8%ae%b0%e5%bd%95","status":"publish","type":"post","link":"https:\/\/www.csslayer.info\/wordpress\/linux\/%e6%9c%80%e8%bf%91%e7%9a%84%e6%8a%98%e8%85%be%e8%ae%b0%e5%bd%95\/","title":{"rendered":"\u6700\u8fd1\u7684\u6298\u817e\u8bb0\u5f55"},"content":{"rendered":"<p>\u867d\u7136\u60f3\u8981\u5199\u4e2a\u5f88\u5177\u4f53\u7684\u6807\u9898\uff0c\u4e0d\u8fc7\u7531\u4e8e\u6211\u4e5f\u5e76\u6ca1\u6c42\u751a\u89e3\uff0c\u4e0d\u592a\u597d\u610f\u601d\u5199\u4e2a\u597d\u6807\u9898\u6765SEO\uff0c\u4e3a\u4e86\u907f\u514d\u8bef\u5bfc\u5927\u4f17\uff0c\u4e8e\u662f\u8fd8\u662f\u53d8\u6210\u4e86\u8fd9\u6837\u5f88\u6c34\u7684\u6807\u9898\u3002<\/p>\n<p>\u4e70\u4e86\u65b0\u672c\u5b50\u4e4b\u540e\u6ca1\u5c11\u6298\u817e\uff0c\u4e3b\u8981\u662f\u56e0\u4e3assd\u6298\u817e\u4e86\u5f88\u4e45\u3002<\/p>\n<p>\u4f46\u662f\u6700\u8fd1\u53d1\u73b0\u673a\u5668\u5947\u5361\u65e0\u6bd4\uff0c\u4e3b\u8981\u4f53\u73b0\u5728\u8fdb\u884cio\u7684\u65f6\u5019\u6574\u4e2a\u7cfb\u7edf\u90fd\u7ecf\u5e38\u8981freeze\u6389\uff0c\u4f46\u8fd9\u4e0d\u79d1\u5b66\u554a\uff0c\u6211\u5728\u7528ssd\u554a\u3002<\/p>\n<p>\u4e8e\u662f\u65e0\u804a\u6d4b\u8bd5\u4e86\u4e00\u4e0b\u6027\u80fd\uff1a<\/p>\n<p>$ dd if=\/dev\/zero of=tempfile bs=1M count=1024 conv=fdatasync,notrunc<br \/>\n\u4e0d\u6d4b\u4e0d\u77e5\u9053\u4e00\u6d4b\u5c31\u5f7b\u5e95\u4e0d\u79d1\u5b66\u4e86\u3002\u901f\u5ea6\u6709\u65f6\u5019\u624d10M\/s\uff0c\u6700\u591a30M\/s\uff0c\u8fd9\u001b\u6211\u4e70Ultrabook\u53ef\u4e0d\u662f\u4e3a\u4e86\u4eab\u53d7\u8fd8\u4e0d\u5982hdd\u7684\u901f\u5ea6\u7684\u2026\u2026<\/p>\n<p>\u4e8e\u662f\u4e00\u5f00\u59cb\u4ee5\u4e3a\u662f\u5347\u7ea7\u5185\u6838\u7684\u539f\u56e0\uff0c\u964d\u7ea7\u4e4b\u540e\u4ea7\u751f\u4e86\u7a0d\u5fae\u597d\u4e86\u4e00\u70b9\u7684\u9519\u89c9\uff08\u5176\u5b9e\u4e0d\u662f\u90a3\u4e48\u56de\u4e8b\uff09\uff0c\u540e\u6765\u4ee5\u4e3a\u662f\u6211\u6298\u817eio scheduler\uff0chdparm\u7684\u53c2\u6570\u95ee\u9898\uff0c\u4e0d\u8fc7\u5176\u5b9e\u4e5f\u5e76\u975e\u8fd9\u4e2a\u539f\u56e0\u2026\u2026<\/p>\n<p>\u6211\u5f53\u521d\u88c5\u7cfb\u7edf\u7684\u65f6\u5019\u660e\u660e\u901f\u5ea6\u8fd8\u5f88\u6b63\u5e38\uff0c\u600e\u4e48\u73b0\u5728\u5c31\u6210\u4e86\u8fd9\u5fb7\u884c\u5462\u2026\u2026<\/p>\n<p>\u6700\u540e\u53ea\u597d\u51b3\u5b9a\u6b7b\u9a6c\u5f53\u6d3b\u9a6c\u533b\uff0c\u91cd\u88c5\u7cfb\u7edf\u3002\u91cd\u88c5\u4e4b\u524d\u6211\u7559\u4e86\u4e2a\u5fc3\u773c\uff0c\u60f3\u770b\u770b\u662f\u4e0d\u662f\u6211\u7cfb\u7edf\u914d\u7f6e\u7684\u95ee\u9898\uff0c\u4e8e\u662f\u5728liveusb\u91cc\u9762mount\u4e0a\u4e4b\u540e\u6d4b\u8bd5\u4e86\u4e00\u4e0b\u6027\u80fd\uff0c\u4f9d\u7136\u662f\u90a3\u4e2a\u632b\u6837\u3002\u6ca1\u529e\u6cd5\u53ea\u597d\u91cd\u65b0\u683c\u5f0f\u5316\u6389\u6d4b\u8bd5\u4e00\u4e0b\u3002\u987a\u624b\u6d4b\u8bd5\u4e86ext4\u548cbtrfs\uff0c\u90fd\u5f88\u6b63\u5e38\u2026\u2026\u603b\u4e4b\u6709\u89e3\u51b3\u95ee\u9898\u7684\u529e\u6cd5\u4e86\uff0c\u4e0d\u8fc7\u6700\u7ec8\u7684\u539f\u56e0\u662f\u4ec0\u4e48\u5462\uff1f\u5f53\u521d\u6211\u88c5\u5b8c\u7cfb\u7edf\u4e4b\u540e\u4e3a\u4e86efi\uff0cresize\u4e86ext4\u2026\u2026\u5927\u6982\u8fd9resize\u9020\u6210\u4e86\u4ec0\u4e48\u4e0d\u597d\u7684\u7ed3\u679c\u5427\u2026\u2026\u63a8\u6d4b\u662f\u8fd9\u6837\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u867d\u7136\u60f3\u8981\u5199\u4e2a\u5f88\u5177\u4f53\u7684\u6807\u9898\uff0c\u4e0d\u8fc7\u7531\u4e8e\u6211\u4e5f\u5e76\u6ca1\u6c42\u751a\u89e3\uff0c\u4e0d\u592a\u597d\u610f\u601d\u5199\u4e2a\u597d\u6807\u9898\u6765SEO\uff0c\u4e3a\u4e86\u907f\u514d\u8bef\u5bfc\u5927\u4f17\uff0c\u4e8e\u662f\u8fd8\u662f\u53d8\u6210\u4e86\u8fd9\u6837\u5f88\u6c34\u7684\u6807\u9898\u3002 \u4e70\u4e86\u65b0\u672c\u5b50\u4e4b\u540e\u6ca1\u5c11\u6298\u817e\uff0c\u4e3b\u8981\u662f\u56e0\u4e3assd\u6298\u817e\u4e86\u5f88\u4e45\u3002 \u4f46\u662f\u6700\u8fd1\u53d1\u73b0\u673a\u5668\u5947\u5361\u65e0\u6bd4\uff0c\u4e3b\u8981\u4f53\u73b0\u5728\u8fdb\u884cio\u7684\u65f6\u5019\u6574\u4e2a\u7cfb\u7edf\u90fd\u7ecf\u5e38\u8981freeze\u6389\uff0c\u4f46\u8fd9\u4e0d\u79d1\u5b66\u554a\uff0c\u6211\u5728\u7528ssd\u554a\u3002 \u4e8e\u662f\u65e0\u804a\u6d4b\u8bd5\u4e86\u4e00\u4e0b\u6027\u80fd\uff1a $ dd if=\/dev\/zero of=tempfile bs=1M count=1024 conv=fdatasync,notrunc \u4e0d\u6d4b\u4e0d\u77e5\u9053\u4e00\u6d4b\u5c31\u5f7b\u5e95\u4e0d\u79d1\u5b66\u4e86\u3002\u901f\u5ea6\u6709\u65f6\u5019\u624d10M\/s\uff0c\u6700\u591a30M\/s\uff0c\u8fd9\u001b\u6211\u4e70Ultrabook\u53ef\u4e0d\u662f\u4e3a\u4e86\u4eab\u53d7\u8fd8\u4e0d\u5982hdd\u7684\u901f\u5ea6\u7684\u2026\u2026 \u4e8e\u662f\u4e00\u5f00\u59cb\u4ee5\u4e3a\u662f\u5347\u7ea7\u5185\u6838\u7684\u539f\u56e0\uff0c\u964d\u7ea7\u4e4b\u540e\u4ea7\u751f\u4e86\u7a0d\u5fae\u597d\u4e86\u4e00\u70b9\u7684\u9519\u89c9\uff08\u5176\u5b9e\u4e0d\u662f\u90a3\u4e48\u56de\u4e8b\uff09\uff0c\u540e\u6765\u4ee5\u4e3a\u662f\u6211\u6298\u817eio scheduler\uff0chdparm\u7684\u53c2\u6570\u95ee\u9898\uff0c\u4e0d\u8fc7\u5176\u5b9e\u4e5f\u5e76\u975e\u8fd9\u4e2a\u539f\u56e0\u2026\u2026 \u6211\u5f53\u521d\u88c5\u7cfb\u7edf\u7684\u65f6\u5019\u660e\u660e\u901f\u5ea6\u8fd8\u5f88\u6b63\u5e38\uff0c\u600e\u4e48\u73b0\u5728\u5c31\u6210\u4e86\u8fd9\u5fb7\u884c\u5462\u2026\u2026 \u6700\u540e\u53ea\u597d\u51b3\u5b9a\u6b7b\u9a6c\u5f53\u6d3b\u9a6c\u533b\uff0c\u91cd\u88c5\u7cfb\u7edf\u3002\u91cd\u88c5\u4e4b\u524d\u6211\u7559\u4e86\u4e2a\u5fc3\u773c\uff0c\u60f3\u770b\u770b\u662f\u4e0d\u662f\u6211\u7cfb\u7edf\u914d\u7f6e\u7684\u95ee\u9898\uff0c\u4e8e\u662f\u5728liveusb\u91cc\u9762mount\u4e0a\u4e4b\u540e\u6d4b\u8bd5\u4e86\u4e00\u4e0b\u6027\u80fd\uff0c\u4f9d\u7136\u662f\u90a3\u4e2a\u632b\u6837\u3002\u6ca1\u529e\u6cd5\u53ea\u597d\u91cd\u65b0\u683c\u5f0f\u5316\u6389\u6d4b\u8bd5\u4e00\u4e0b\u3002\u987a\u624b\u6d4b\u8bd5\u4e86ext4\u548cbtrfs\uff0c\u90fd\u5f88\u6b63\u5e38\u2026\u2026\u603b\u4e4b\u6709\u89e3\u51b3\u95ee\u9898\u7684\u529e\u6cd5\u4e86\uff0c\u4e0d\u8fc7\u6700\u7ec8\u7684\u539f\u56e0\u662f\u4ec0\u4e48\u5462\uff1f\u5f53\u521d\u6211\u88c5\u5b8c\u7cfb\u7edf\u4e4b\u540e\u4e3a\u4e86efi\uff0cresize\u4e86ext4\u2026\u2026\u5927\u6982\u8fd9resize\u9020\u6210\u4e86\u4ec0\u4e48\u4e0d\u597d\u7684\u7ed3\u679c\u5427\u2026\u2026\u63a8\u6d4b\u662f\u8fd9\u6837\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-1764","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/www.csslayer.info\/wordpress\/wp-json\/wp\/v2\/posts\/1764","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.csslayer.info\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.csslayer.info\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.csslayer.info\/wordpress\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.csslayer.info\/wordpress\/wp-json\/wp\/v2\/comments?post=1764"}],"version-history":[{"count":1,"href":"https:\/\/www.csslayer.info\/wordpress\/wp-json\/wp\/v2\/posts\/1764\/revisions"}],"predecessor-version":[{"id":1765,"href":"https:\/\/www.csslayer.info\/wordpress\/wp-json\/wp\/v2\/posts\/1764\/revisions\/1765"}],"wp:attachment":[{"href":"https:\/\/www.csslayer.info\/wordpress\/wp-json\/wp\/v2\/media?parent=1764"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.csslayer.info\/wordpress\/wp-json\/wp\/v2\/categories?post=1764"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.csslayer.info\/wordpress\/wp-json\/wp\/v2\/tags?post=1764"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}