{"id":196,"date":"2009-06-16T10:34:44","date_gmt":"2009-06-16T01:34:44","guid":{"rendered":"http:\/\/www.mozilla.gr.jp\/~shimono\/blog\/?p=196"},"modified":"2009-06-16T10:34:44","modified_gmt":"2009-06-16T01:34:44","slug":"kvm%e3%81%ae%e3%83%8d%e3%83%83%e3%83%88%e3%83%af%e3%83%bc%e3%82%af%e3%81%9d%e3%81%ae%e5%be%8c-%e8%a7%a3%e6%b1%ba%e7%b7%a8","status":"publish","type":"post","link":"https:\/\/blog.himor.in\/?p=196","title":{"rendered":"KVM\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u305d\u306e\u5f8c (\u89e3\u6c7a\u7de8)"},"content":{"rendered":"<p>KVM\u7528\u30de\u30b7\u30f3\u3092<a href=\"http:\/\/www.mozilla.gr.jp\/~shimono\/blog\/?p=166\">\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7<\/a>\u3057\u3066\u3001VM\u3092\u7acb\u3061\u4e0a\u3052\u3066\u4f5c\u696d\u3057\u3066\u3044\u308b\u3051\u3069<a href=\"http:\/\/www.mozilla.gr.jp\/~shimono\/blog\/?p=179\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u4e0d\u8abf<\/a>\u3068\u3044\u3046\u8a71\u306e\u7d9a\u304d\u3002\u7d50\u5c40\u306f\u898b\u3066\u3044\u308b\u3068\u3053\u308d\u304c\u9055\u3063\u3066\u3001TSO\u3067\u306a\u304f\u3066GSO\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u5fc5\u8981\u304c\u3042\u3063\u305f\u3001\u3067\u3057\u305f\u3002<\/p>\n<p>\u305d\u3046\u3044\u3048\u3070\u3001kernel 2.6.1x\u3042\u305f\u308a(\u756a\u53f7\u5fd8\u308c\u305f)\u3042\u305f\u308a\u3067Generic Segmentation Offload (GSO)\u306e\u8a71\u3092\u805e\u3044\u3066\u3044\u305f\u3088\u3046\u306a\u6c17\u304c\u3057\u307e\u3057\u305f\u3002\uff08\u7b11<\/p>\n<p>\u3068\u3044\u3046\u308f\u3051\u3067\u3001<\/p>\n<blockquote><p>% \/etc\/network\/interfaces<br \/>\niface eth0 inet dhcp<br \/>\npost-up \/usr\/sbin\/ethtool -K eth0 gso off<\/p><\/blockquote>\n<p>\u3068\u3084\u3063\u3066\u3001\u518d\u8d77\u52d5\u5f8c\u306b<\/p>\n<blockquote><p># ethtool -k eth0<br \/>\nOffload parameters for eth0:<br \/>\nCannot get device rx csum settings: Operation not supported<br \/>\nCannot get device flags: Operation not supported<br \/>\nrx-checksumming: off<br \/>\ntx-checksumming: on<br \/>\nscatter-gather: on<br \/>\ntcp segmentation offload: off<br \/>\nudp fragmentation offload: off<br \/>\ngeneric segmentation offload: off<br \/>\nlarge receive offload: off<\/p><\/blockquote>\n<p>\u3068\u7121\u4e8b\u306b\u7121\u52b9\u306b\u306a\u3063\u3066\u3044\u305f\u306e\u3067ok\u3068\u3002nfs\u3067\u30c7\u30fc\u30bf\u9818\u57df\u3092\u30de\u30a6\u30f3\u30c8\u3057\u305f\u308a\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u3092LDAP\u30b5\u30fc\u30d0\u3068\u7d71\u5408\u3057\u305f\u308a\u3068\u305d\u308c\u306a\u308a\u306b\u30d8\u30d3\u30fc\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u30c7\u30fc\u30bf\u304c\u6d41\u308c\u3066\u3044\u308b\u3051\u3069\u554f\u984c\u306a\u304f\u52d5\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>KVM\u7528\u30de\u30b7\u30f3\u3092\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3057\u3066\u3001VM\u3092\u7acb\u3061\u4e0a\u3052\u3066\u4f5c\u696d\u3057\u3066\u3044\u308b\u3051\u3069\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u4e0d\u8abf\u3068\u3044\u3046\u8a71\u306e\u7d9a\u304d\u3002\u7d50\u5c40\u306f\u898b\u3066\u3044\u308b\u3068\u3053\u308d\u304c\u9055\u3063\u3066\u3001TSO\u3067\u306a\u304f\u3066GSO\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u5fc5\u8981\u304c\u3042\u3063\u305f\u3001\u3067\u3057\u305f\u3002 \u305d\u3046\u3044\u3048\u3070\u3001kernel 2.6.1x\u3042\u305f\u308a(\u756a\u53f7\u5fd8\u308c\u305f)\u3042\u305f\u308a\u3067Generic Segmentation Offload (GSO)\u306e\u8a71\u3092\u805e\u3044\u3066\u3044\u305f\u3088\u3046\u306a\u6c17\u304c\u3057\u307e\u3057\u305f\u3002\uff08\u7b11 \u3068\u3044\u3046\u308f\u3051\u3067\u3001 % \/etc\/network\/interfaces iface eth0 inet dhcp post-up \/usr\/sbin\/ethtool -K eth0 gso off \u3068\u3084\u3063\u3066\u3001\u518d\u8d77\u52d5\u5f8c\u306b # ethtool -k eth0 Offload parameters for eth0: Cannot get device rx csum settings: Operation not supported Cannot get device flags: Operation not supported rx-checksumming: off tx-checksumming: on scatter-gather: on tcp segmentation offload: off udp [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[17,4,14],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.himor.in\/index.php?rest_route=\/wp\/v2\/posts\/196"}],"collection":[{"href":"https:\/\/blog.himor.in\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.himor.in\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.himor.in\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.himor.in\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=196"}],"version-history":[{"count":1,"href":"https:\/\/blog.himor.in\/index.php?rest_route=\/wp\/v2\/posts\/196\/revisions"}],"predecessor-version":[{"id":197,"href":"https:\/\/blog.himor.in\/index.php?rest_route=\/wp\/v2\/posts\/196\/revisions\/197"}],"wp:attachment":[{"href":"https:\/\/blog.himor.in\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=196"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.himor.in\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=196"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.himor.in\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=196"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}