{"id":515,"date":"2020-06-06T19:49:57","date_gmt":"2020-06-06T11:49:57","guid":{"rendered":"https:\/\/www.funnymuddy.com\/?p=515"},"modified":"2020-07-06T20:38:12","modified_gmt":"2020-07-06T12:38:12","slug":"%e8%99%9a%e6%8b%9f%e6%9c%bavm%e7%9a%84%e9%82%a3%e7%82%b9%e7%a0%b4%e4%ba%8b%e5%84%bf","status":"publish","type":"post","link":"https:\/\/www.funnymuddy.com\/?p=515","title":{"rendered":"\u865a\u62df\u673aVM\u7684\u90a3\u70b9\u7834\u4e8b\u513f"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Hypervisor<\/h2>\n\n\n\n<p> Hypervisor\u662f\u865a\u62df\u6280\u672f\u7684\u6838\u5fc3\uff0c\u6709\u4e24\u79cdHypervisor\u7684\u5b9e\u73b0\u3002<\/p>\n\n\n\n<p>Hypervisor\u76f4\u63a5\u5b89\u88c5\u5728\u786c\u4ef6\uff08\u76f8\u5f53\u4e8e\u67d0\u79cd\u7279\u6b8a\u7684\u64cd\u4f5c\u7cfb\u7edf\uff09\uff0cVM\u8fd0\u884c\u5728Hypervisor\u4e4b\u4e0a\uff0c\u6bd4\u5982Xen\u3002<\/p>\n\n\n\n<p>Hypervisor\u5b89\u88c5\u8fd0\u884c\u5728\u666e\u901a\u7684\u64cd\u4f5c\u7cfb\u7edf\u6bd4\u5982Ubuntu, RHEL, CentOS\u7b49\uff0cKVM \u548c VirtualBox\u5c5e\u4e8e\u8fd9\u79cdHypervisor\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">KVM<\/h2>\n\n\n\n<p>KVM\u8d1f\u8d23CPU\/Memory\u7684\u865a\u62df\uff0cKernel\u548cQEMU\u8d1f\u8d23IO\u7684\u865a\u62df\u5316\uff0c \u5305\u62ec\u7f51\u7edc\u548c\u5b58\u50a8\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Libvirt<\/h2>\n\n\n\n<p>KVM\u7ba1\u7406\u5957\u4ef6\uff0c\u901a\u8fc7virsh\u547d\u4ee4\u884c\u548cvirt-manager\u56fe\u5f62\u5316\u754c\u9762\u7ba1\u7406\u865a\u62df\u673a\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">CPU<\/h2>\n\n\n\n<p>\u6bcf\u4e2aVM\u5360\u7528\u5bbf\u4e3b\u673a\u7684\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u6bcf\u4e2aVM\u7684vCPU\u76f8\u5f53\u4e8eVM\u8fdb\u7a0b\u7684\u4e00\u4e2a\u7ebf\u7a0b\u3002vCPU\u662f\u53ef\u4ee5overcommit\u7684\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u5bbf\u4e3b\u673a\u4e0a\u6240\u6709VM\u7684vCPU\u603b\u548c\u53ef\u4ee5\u5927\u4e8e\u751a\u81f3\u8fdc\u5927\u4e8e\u5bbf\u4e3b\u673aCPU Core\u7684\u6570\u91cf\uff0cOpenStack\u9ed8\u8ba4\u4e3a16\u500d\uff08\u53c2\u8003OpenStack nova.conf\u4e2dcpu.allocation_ratio=16\uff09\u3002\u5f53\u7136\uff0c\u5982\u679c\u6240\u6709\u7684VM\u540c\u65f6\u6ee1\u8d1f\u8377\u8fd0\u884c\uff0c\u90a3\u4e48\u5c06\u4f1a\u662f\u4e2a\u707e\u96be\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Memory<\/h2>\n\n\n\n<p>\u865a\u62df\u673a\u7684\u865a\u62df\u5185\u5b58 &lt;&#8211;&gt; \u865a\u62df\u673a\u7684\u7269\u7406\u5185\u5b58 &lt;&#8211;&gt; \u673a\u5668\u5185\u5b58<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Network<\/h2>\n\n\n\n<p>Bridge\uff0ceth0 &lt;-&gt; br0 &lt;&#8211;&gt; vm1 neth0, vm2 neth0 <\/p>\n\n\n\n<p>\u521b\u5efabridge br0\u540e\uff0chost IP\u4f1a\u6302\u5230br0\u4e0a\u3002vm\u7684\u7f51\u5361\u5982\u679c\u6302\u5230br0\u4e0a\uff0c\u90a3\u4e48\u4f1a\u7531DHCP\u81ea\u52a8\u5206\u914dIP\uff0c \u548chost\u540c\u7f51\u6bb5\u3002<\/p>\n\n\n\n<p>KVM\u9ed8\u8ba4\u4f1a\u521b\u5efa\u4e00\u4e2abridge virbr0\uff0c\u5e76\u5206\u914d\u4e00\u4e2aIP\uff0c\u5141\u8bb8\u6302\u5728\u5b83\u4e4b\u4e0a\u7684VM\u901a\u8fc7NAT\u548c\u5916\u7f51\u8fde\u63a5\u3002<\/p>\n\n\n\n<p>\u4e5f\u53ef\u4ee5\u901a\u8fc7Linux Bridge\u521b\u5efavlan\/vxlan\u3002<\/p>\n<div class=\"pvc_clear\"><\/div><p id=\"pvc_stats_515\" class=\"pvc_stats all  \" data-element-id=\"515\" style=\"\"><i class=\"pvc-stats-icon small\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img decoding=\"async\" src=\"https:\/\/www.funnymuddy.com\/wp-content\/plugins\/page-views-count\/ajax-loader.gif\" border=0 \/><\/p><div class=\"pvc_clear\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Hypervisor Hypervisor\u662f\u865a\u62df\u6280\u672f\u7684\u6838\u5fc3\uff0c\u6709\u4e24\u79cdHypervisor\u7684\u5b9e\u73b0\u3002 Hypervi&hellip;&nbsp;<a href=\"https:\/\/www.funnymuddy.com\/?p=515\" class=\"\" rel=\"bookmark\">\u9605\u8bfb\u66f4\u591a &raquo;<span class=\"screen-reader-text\">\u865a\u62df\u673aVM\u7684\u90a3\u70b9\u7834\u4e8b\u513f<\/span><\/a><\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_515\" class=\"pvc_stats all  \" data-element-id=\"515\" style=\"\"><i class=\"pvc-stats-icon small\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img decoding=\"async\" src=\"https:\/\/www.funnymuddy.com\/wp-content\/plugins\/page-views-count\/ajax-loader.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,6],"tags":[37,17,36],"class_list":["post-515","post","type-post","status-publish","format-standard","hentry","category-os","category-6","tag-cloud","tag-os","tag-vm"],"_links":{"self":[{"href":"https:\/\/www.funnymuddy.com\/index.php?rest_route=\/wp\/v2\/posts\/515","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.funnymuddy.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.funnymuddy.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.funnymuddy.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.funnymuddy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=515"}],"version-history":[{"count":3,"href":"https:\/\/www.funnymuddy.com\/index.php?rest_route=\/wp\/v2\/posts\/515\/revisions"}],"predecessor-version":[{"id":591,"href":"https:\/\/www.funnymuddy.com\/index.php?rest_route=\/wp\/v2\/posts\/515\/revisions\/591"}],"wp:attachment":[{"href":"https:\/\/www.funnymuddy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=515"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.funnymuddy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=515"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.funnymuddy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=515"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}