{"id":489,"date":"2012-06-08T16:52:06","date_gmt":"2012-06-08T08:52:06","guid":{"rendered":"http:\/\/ykyi.net\/?p=489"},"modified":"2012-06-08T16:52:06","modified_gmt":"2012-06-08T08:52:06","slug":"%e5%9c%a8%e5%b5%8c%e5%85%a5%e5%bc%8f%e7%b3%bb%e7%bb%9f%e9%83%a8%e7%bd%b2%e8%99%9a%e6%8b%9f%e5%8c%96%e7%9a%84%e5%85%ab%e5%a4%a7%e7%90%86%e7%94%b1","status":"publish","type":"post","link":"https:\/\/ykyi.net\/?p=489","title":{"rendered":"\u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u90e8\u7f72\u865a\u62df\u5316\u7684\u516b\u5927\u7406\u7531"},"content":{"rendered":"

\u5728\u670d\u52a1\u5668\u548c\u684c\u9762\u4e0a\u90e8\u7f72\u865a\u62df\u5316\u5df2\u7ecf\u8d8a\u6765\u8d8a\u6d41\u884c\u3002\u4f46\u662f\u5927\u591a\u6570\u4e00\u5b9a\u6ca1\u6709\u60f3\u8fc7\u5728\u5d4c\u5165\u5f0f\u73af\u5883\u4e0b\u90e8\u7f72\u865a\u62df\u5316\u3002<\/p>\n

Hypervisor(\u53c8\u88ab\u79f0\u4e4b\u4e3a\u865a\u62df\u673a\u7ba1\u7406\u7a0b\u5e8fvirtual machine monitor)\u5982\u4eca\u5df2\u7ecf\u5728\u8fd9\u9897\u661f\u7403\u4e0a\u6240\u6709\u7684\u6570\u636e\u4e2d\u5fc3\u904d\u5730\u5f00\u82b1\u3002\u56e0\u4e3a\u5b83\u7ed9\u6570\u636e\u4e2d\u5fc3\u5e26\u6765\u4e86\u8282\u7701\u786c\u4ef6\uff0c\u8282\u7701\u80fd\u6e90\u7684\u8d39\u7528\uff0c\u8fd8\u964d\u4f4e\u4e86\u7ba1\u7406\u7684\u6210\u672c\u3002\u4e8b\u5b9e\u4e0a\uff0c\u4ece\u5146\u5146\u7ea7\u7684\u8def\u7531\u5668\u5230\u5bcc\u5a92\u4f53\u7684\u673a\u9876\u76d2\uff0c\u518d\u5230\u624b\u673a\u7b49\u7b49\u5d4c\u5165\u5f0f\u7cfb\u7edf\uff0c\u5b83\u4eec\u540c\u6837\u80fd\u4ece\u865a\u62df\u5316\u4e2d\u53d7\u76ca\u3002 zausiu’s blog http:\/\/ykyi.net<\/a><\/p>\n

\u56e0\u4e3a\u5d4c\u5165\u5f0f\u7cfb\u7edf\u7684\u8d44\u6e90\u975e\u5e38\u6709\u9650\u3002\u5b83\u4eec\u8fd8\u901a\u5e38\u662f\u5b9a\u5236\u7684\u7cfb\u7edf\uff0c\u8f6f\u786c\u4ef6\u7d27\u5bc6\u7ed3\u5408\u5728\u4e00\u8d77\u3002\u521d\u770b\u6765\uff0c\u5728\u5d4c\u5165\u5f0f\u8bbe\u5907\u4e2d\u90e8\u7f72\u865a\u62df\u5316\u663e\u5f97\u8fc7\u4e8e\u9686\u91cd\u3002\u4f46\u4e0b\u6587\u544a\u8bc9\u4f60\u5728\u5d4c\u5165\u5f0f\u8bbe\u5907\u4e2d\u90e8\u7f72\u865a\u62df\u5316\u7684\u516b\u5927\u7406\u7531\u3002<\/p>\n

1. \u66f4\u575a\u56fa<\/p>\n

\u5b9a\u5236\u7684\u786c\u4ef6\u662f\u975e\u5e38\u6602\u8d35\u7684\uff0c\u5982\u679c\u628a\u591a\u79cd\u7269\u7406\u8bbe\u5907\u96c6\u6210\u5230\u4e00\u8d77\u5c31\u80fd\u964d\u4f4e\u6210\u672c\u3002\u96c6\u6210\u5728\u4e00\u8d77\u5f53\u7136\u6bd4\u5206\u5e03\u5f0f\u7684\u73af\u5883\u8981\u7b80\u5355\u5f97\u591a\u3002\u5982\u679c\u6240\u6709\u7684\u865a\u62df\u673a\u8fd0\u884c\u5728\u76f8\u540c\u7684\u670d\u52a1\u673a\u4e0a\uff0c\u5212\u5206\u7f51\u7edc\u7684\u98ce\u9669\u5c31\u4e0d\u5b58\u5728\u4e86\uff0c\u786c\u4ef6\u6545\u969c\u4e5f\u6709\u4e86\u2018\u539f\u5b50\u6027\u2019(hardware failures are atomic)\uff0c\u800c\u4e14\u5728\u865a\u62df\u5316\u73af\u5883\u4e0b\u5df2\u7ecf\u6709\u975e\u5e38\u6210\u719f\u7684\u89e3\u51b3\u65b9\u6848\u5904\u7406\u786c\u4ef6\u6545\u969c\uff0c\u8fd9\u6837\u7684\u6545\u969c\u901a\u5e38\u4f1a\u8ba9\u6ca1\u6709\u90e8\u7f72\u865a\u62df\u5316\u7684\u7cfb\u7edf\u5d29\u6e83\u3002<\/p>\n

2. \u66f4\u5b89\u5168<\/p>\n

\u8bd5\u60f3\uff0c\u5982\u679c\u4e00\u4e2a\u90e8\u7f72\u4e86java\u865a\u62df\u673a\u7684\u624b\u673a\u7cfb\u7edf\u628ajava stack\u548c\u901a\u8baf\u6808\u8fd0\u884c\u5728\u4e24\u4e2a\u865a\u62df\u673a\u4e0a\u3002\u90a3\u4e48\u5373\u4f7f\u5e94\u7528\u7a0b\u5e8f\u7ba1\u7406\u90e8\u5206\u88ab\u653b\u7834\u4e86\uff0c\u4e5f\u4e0d\u4f1a\u5371\u9669\u5230\u901a\u8fc5\u6808\u3002\u5bf9\u4e8e\u6076\u610f\u4ee3\u7801\uff0c\u865a\u62df\u673a\u73af\u5883\u662f\u4e00\u4e2a\u5927\u6c99\u7bb1\u3002<\/p>\n

3. \u66f4\u53ef\u9760<\/p>\n

\u901a\u8fc7\u865a\u62df\u5316\u53ef\u4ee5\u628a\u7279\u6743\u4ee3\u7801\u548c\u4e00\u822c\u4ee3\u7801\u5206\u5f00\uff0c\u80fd\u591f\u963b\u6b62\u548c\u51cf\u5c11\u6574\u4e2a\u8bbe\u5907\u7684\u6545\u969c\u7387\u3002<\/p>\n

4. \u6613\u4e8e\u7ba1\u7406\u548c\u5f00\u53d1<\/p>\n

\u5373\u4f7f\u662f\u8fd0\u884c\u5b9e\u884c\u64cd\u4f5c\u7cfb\u7edf\uff0c\u4f60\u4e0d\u8981\u56e0\u4e3a\u90a3\u4e9b\u975e\u5e38\u6709\u9650\u7684\u7ba1\u7406\u529f\u80fd\u5c31\u5fc3\u6ee1\u610f\u8db3\u4e86\u3002\u4e00\u4e2a\u8fd0\u884cwindows\u7684\u8d1f\u8d23\u7ba1\u7406\u529f\u80fd\u7684\u865a\u62df\u673a\u80fd\u591f\u8fd0\u884c\u56fe\u5f62\u4ecb\u9762\u7684\u7a0b\u5e8f\uff0c\u65b9\u4fbf\u4e86\u7528\u6237\u4e5f\u65b9\u4fbf\u4e86\u5f00\u53d1\u8005\u3002<\/p>\n

5. \u786c\u4ef6\u865a\u62df\u5316<\/p>\n

VMM\u76f8\u5f53\u9002\u5408\u786c\u4ef6\u865a\u62df\u5316\u3002\u5b83\u8fde\u540c\u865a\u62df\u63a7\u5236\u5668\u4e00\u8d77\u52a8\u6001\u7684\u5207\u5206\u6216\u8005\u5408\u5e76\u7269\u7406\u8d44\u6e90\u3002\u5bf9\u4e8e\u5927\u578b\u7684\uff0c\u5206\u5e03\u5f0f\u7684\u5d4c\u5165\u5f0f\u8bbe\u5907\u5982\u8def\u7531\u5668\u5219\u53ef\u4ee5\u5728\u90e8\u7f72\u4e86\u865a\u62df\u5316\u7684\u60c5\u51b5\u4e0b\u81ea\u7531\u7684\u5207\u5206\u6216\u5408\u5e76\u3002Zausiu’s blog http:\/\/ykyi.net<\/a><\/p>\n

6. \u6548\u7387<\/p>\n

\u5355\u6838\u4e16\u754c\u5df2\u7ecf\u5feb\u901f\u79bb\u6211\u4eec\u8fdc\u53bb\uff0c\u5373\u5c06\u6d88\u5931\u5728\u5386\u53f2\u957f\u6cb3\u4e2d\u3002\u800c\u5927\u591a\u6570\u5d4c\u5165\u5f0f\u8f6f\u4ef6\u6ca1\u6709\u5145\u5206\u5229\u7528\u591a\u6838\u6216\u591a\u5904\u7406\u673a\u7684\u4f18\u52bf\u3002\u90a3\u4e48\uff0c\u865a\u62df\u5316\u5e2e\u52a9\u7cfb\u7edf\u5145\u5206\u5229\u7528\u5d4c\u5165\u5f0f\u7cfb\u7edf\u7684\u6027\u80fd\u3002<\/p>\n

7. \u65b0\u7279\u6027<\/p>\n

\u4e00\u4e9b\u632f\u594b\u4eba\u5fc3\u7684\u8d85\u9177\u7279\u6027\uff0c\u5982\uff1a\u5feb\u7167\uff0c\u5b9e\u65f6\u8fc1\u79fb(live migration)\uff0cExternal Hibernation\u80fd\u591f\u52a0\u5f3a\u5d4c\u5165\u5f0f\u8bbe\u5907\u7684\u53ef\u7528\u6027\uff0c\u4e14\u65b9\u4fbf\u53ef\u7ea7\u3002<\/p>\n

8. \u6cd5\u5f8b\u95ee\u9898<\/p>\n

\u4ece\u5546\u7528\u4e13\u6709\u4ee3\u7801\u8fde\u63a5GPL\u4ee3\u7801\u4f1a\u88ab\u8feb\u9075\u5b88GPL\u534f\u8bae\u3002\u800c\u628aGPL\u4ee3\u7801\u8fd0\u884c\u5728\u865a\u62df\u673a\u4e0a\u5c31\u53ef\u4ee5\u89c4\u50fbGPL\u534f\u8bae\u7684\u7ea6\u675f\u4e86\u3002<\/p>\n

\u8fd9\u7bc7\u6587\u7ae0\u8bd1\u81ea\uff1a http:\/\/www.linuxplanet.com\/linuxplanet\/reports\/6490\/1 \u8fd9\u516b\u5927\u7406\u7531\u4e2d\u7684\u5f88\u591a\u6761\u76ee\u6211\u89c9\u5f97\u6ca1\u6709\u8bf4\u670d\u529b\uff01<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

\u5728\u670d\u52a1\u5668\u548c\u684c\u9762\u4e0a\u90e8\u7f72\u865a\u62df\u5316\u5df2\u7ecf\u8d8a\u6765\u8d8a\u6d41\u884c\u3002\u4f46\u662f\u5927\u591a\u6570\u4e00\u5b9a\u6ca1\u6709\u60f3\u8fc7\u5728\u5d4c\u5165\u5f0f\u73af\u5883\u4e0b\u90e8\u7f72\u865a\u62df\u5316\u3002 Hypervisor(\u53c8\u88ab\u79f0\u4e4b\u4e3a\u865a\u62df\u673a\u7ba1\u7406\u7a0b\u5e8fvirtual machine monitor)\u5982\u4eca\u5df2\u7ecf\u5728\u8fd9\u9897\u661f\u7403\u4e0a\u6240\u6709\u7684\u6570\u636e\u4e2d\u5fc3\u904d\u5730\u5f00\u82b1\u3002\u56e0\u4e3a\u5b83\u7ed9\u6570\u636e\u4e2d\u5fc3\u5e26\u6765\u4e86\u8282\u7701\u786c\u4ef6\uff0c\u8282\u7701\u80fd\u6e90\u7684\u8d39\u7528\uff0c\u8fd8\u964d\u4f4e\u4e86\u7ba1\u7406\u7684\u6210\u672c\u3002\u4e8b\u5b9e\u4e0a\uff0c\u4ece\u5146\u5146\u7ea7\u7684\u8def\u7531\u5668\u5230\u5bcc\u5a92\u4f53\u7684\u673a\u9876\u76d2\uff0c\u518d\u5230\u624b\u673a\u7b49\u7b49\u5d4c\u5165\u5f0f\u7cfb\u7edf\uff0c\u5b83\u4eec\u540c\u6837\u80fd\u4ece\u865a\u62df\u5316\u4e2d\u53d7\u76ca\u3002 zausiu’s blog http:\/\/ykyi.net \u56e0\u4e3a\u5d4c\u5165\u5f0f\u7cfb\u7edf\u7684\u8d44\u6e90\u975e\u5e38\u6709\u9650\u3002\u5b83\u4eec\u8fd8\u901a\u5e38\u662f\u5b9a\u5236\u7684\u7cfb\u7edf\uff0c\u8f6f\u786c\u4ef6\u7d27\u5bc6\u7ed3\u5408\u5728\u4e00\u8d77\u3002\u521d\u770b\u6765\uff0c\u5728\u5d4c\u5165\u5f0f\u8bbe\u5907\u4e2d\u90e8\u7f72\u865a\u62df\u5316\u663e\u5f97\u8fc7\u4e8e\u9686\u91cd\u3002\u4f46\u4e0b\u6587\u544a\u8bc9\u4f60\u5728\u5d4c\u5165\u5f0f\u8bbe\u5907\u4e2d\u90e8\u7f72\u865a\u62df\u5316\u7684\u516b\u5927\u7406\u7531\u3002 1. \u66f4\u575a\u56fa \u5b9a\u5236\u7684\u786c\u4ef6\u662f\u975e\u5e38\u6602\u8d35\u7684\uff0c\u5982\u679c\u628a\u591a\u79cd\u7269\u7406\u8bbe\u5907\u96c6\u6210\u5230\u4e00\u8d77\u5c31\u80fd\u964d\u4f4e\u6210\u672c\u3002\u96c6\u6210\u5728\u4e00\u8d77\u5f53\u7136\u6bd4\u5206\u5e03\u5f0f\u7684\u73af\u5883\u8981\u7b80\u5355\u5f97\u591a\u3002\u5982\u679c\u6240\u6709\u7684\u865a\u62df\u673a\u8fd0\u884c\u5728\u76f8\u540c\u7684\u670d\u52a1\u673a\u4e0a\uff0c\u5212\u5206\u7f51\u7edc\u7684\u98ce\u9669\u5c31\u4e0d\u5b58\u5728\u4e86\uff0c\u786c\u4ef6\u6545\u969c\u4e5f\u6709\u4e86\u2018\u539f\u5b50\u6027\u2019(hardware failures are atomic)\uff0c\u800c\u4e14\u5728\u865a\u62df\u5316\u73af\u5883\u4e0b\u5df2\u7ecf\u6709\u975e\u5e38\u6210\u719f\u7684\u89e3\u51b3\u65b9\u6848\u5904\u7406\u786c\u4ef6\u6545\u969c\uff0c\u8fd9\u6837\u7684\u6545\u969c\u901a\u5e38\u4f1a\u8ba9\u6ca1\u6709\u90e8\u7f72\u865a\u62df\u5316\u7684\u7cfb\u7edf\u5d29\u6e83\u3002 2. \u66f4\u5b89\u5168 \u8bd5\u60f3\uff0c\u5982\u679c\u4e00\u4e2a\u90e8\u7f72\u4e86java\u865a\u62df\u673a\u7684\u624b\u673a\u7cfb\u7edf\u628ajava stack\u548c\u901a\u8baf\u6808\u8fd0\u884c\u5728\u4e24\u4e2a\u865a\u62df\u673a\u4e0a\u3002\u90a3\u4e48\u5373\u4f7f\u5e94\u7528\u7a0b\u5e8f\u7ba1\u7406\u90e8\u5206\u88ab\u653b\u7834\u4e86\uff0c\u4e5f\u4e0d\u4f1a\u5371\u9669\u5230\u901a\u8fc5\u6808\u3002\u5bf9\u4e8e\u6076\u610f\u4ee3\u7801\uff0c\u865a\u62df\u673a\u73af\u5883\u662f\u4e00\u4e2a\u5927\u6c99\u7bb1\u3002 3. \u66f4\u53ef\u9760 \u901a\u8fc7\u865a\u62df\u5316\u53ef\u4ee5\u628a\u7279\u6743\u4ee3\u7801\u548c\u4e00\u822c\u4ee3\u7801\u5206\u5f00\uff0c\u80fd\u591f\u963b\u6b62\u548c\u51cf\u5c11\u6574\u4e2a\u8bbe\u5907\u7684\u6545\u969c\u7387\u3002 4. \u6613\u4e8e\u7ba1\u7406\u548c\u5f00\u53d1 \u5373\u4f7f\u662f\u8fd0\u884c\u5b9e\u884c\u64cd\u4f5c\u7cfb\u7edf\uff0c\u4f60\u4e0d\u8981\u56e0\u4e3a\u90a3\u4e9b\u975e\u5e38\u6709\u9650\u7684\u7ba1\u7406\u529f\u80fd\u5c31\u5fc3\u6ee1\u610f\u8db3\u4e86\u3002\u4e00\u4e2a\u8fd0\u884cwindows\u7684\u8d1f\u8d23\u7ba1\u7406\u529f\u80fd\u7684\u865a\u62df\u673a\u80fd\u591f\u8fd0\u884c\u56fe\u5f62\u4ecb\u9762\u7684\u7a0b\u5e8f\uff0c\u65b9\u4fbf\u4e86\u7528\u6237\u4e5f\u65b9\u4fbf\u4e86\u5f00\u53d1\u8005\u3002 5. \u786c\u4ef6\u865a\u62df\u5316 VMM\u76f8\u5f53\u9002\u5408\u786c\u4ef6\u865a\u62df\u5316\u3002\u5b83\u8fde\u540c\u865a\u62df\u63a7\u5236\u5668\u4e00\u8d77\u52a8\u6001\u7684\u5207\u5206\u6216\u8005\u5408\u5e76\u7269\u7406\u8d44\u6e90\u3002\u5bf9\u4e8e\u5927\u578b\u7684\uff0c\u5206\u5e03\u5f0f\u7684\u5d4c\u5165\u5f0f\u8bbe\u5907\u5982\u8def\u7531\u5668\u5219\u53ef\u4ee5\u5728\u90e8\u7f72\u4e86\u865a\u62df\u5316\u7684\u60c5\u51b5\u4e0b\u81ea\u7531\u7684\u5207\u5206\u6216\u5408\u5e76\u3002Zausiu’s blog http:\/\/ykyi.net 6. \u6548\u7387 \u5355\u6838\u4e16\u754c\u5df2\u7ecf\u5feb\u901f\u79bb\u6211\u4eec\u8fdc\u53bb\uff0c\u5373\u5c06\u6d88\u5931\u5728\u5386\u53f2\u957f\u6cb3\u4e2d\u3002\u800c\u5927\u591a\u6570\u5d4c\u5165\u5f0f\u8f6f\u4ef6\u6ca1\u6709\u5145\u5206\u5229\u7528\u591a\u6838\u6216\u591a\u5904\u7406\u673a\u7684\u4f18\u52bf\u3002\u90a3\u4e48\uff0c\u865a\u62df\u5316\u5e2e\u52a9\u7cfb\u7edf\u5145\u5206\u5229\u7528\u5d4c\u5165\u5f0f\u7cfb\u7edf\u7684\u6027\u80fd\u3002 7. \u65b0\u7279\u6027 \u4e00\u4e9b\u632f\u594b\u4eba\u5fc3\u7684\u8d85\u9177\u7279\u6027\uff0c\u5982\uff1a\u5feb\u7167\uff0c\u5b9e\u65f6\u8fc1\u79fb(live migration)\uff0cExternal Hibernation\u80fd\u591f\u52a0\u5f3a\u5d4c\u5165\u5f0f\u8bbe\u5907\u7684\u53ef\u7528\u6027\uff0c\u4e14\u65b9\u4fbf\u53ef\u7ea7\u3002 8. \u6cd5\u5f8b\u95ee\u9898 \u4ece\u5546\u7528\u4e13\u6709\u4ee3\u7801\u8fde\u63a5GPL\u4ee3\u7801\u4f1a\u88ab\u8feb\u9075\u5b88GPL\u534f\u8bae\u3002\u800c\u628aGPL\u4ee3\u7801\u8fd0\u884c\u5728\u865a\u62df\u673a\u4e0a\u5c31\u53ef\u4ee5\u89c4\u50fbGPL\u534f\u8bae\u7684\u7ea6\u675f\u4e86\u3002 \u8fd9\u7bc7\u6587\u7ae0\u8bd1\u81ea\uff1a http:\/\/www.linuxplanet.com\/linuxplanet\/reports\/6490\/1 \u8fd9\u516b\u5927\u7406\u7531\u4e2d\u7684\u5f88\u591a\u6761\u76ee\u6211\u89c9\u5f97\u6ca1\u6709\u8bf4\u670d\u529b\uff01  <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,8],"tags":[98,122],"class_list":["post-489","post","type-post","status-publish","format-standard","hentry","category-tech_articles","category-virtualization","tag-98","tag--virtulization"],"_links":{"self":[{"href":"https:\/\/ykyi.net\/index.php?rest_route=\/wp\/v2\/posts\/489","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ykyi.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ykyi.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ykyi.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ykyi.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=489"}],"version-history":[{"count":0,"href":"https:\/\/ykyi.net\/index.php?rest_route=\/wp\/v2\/posts\/489\/revisions"}],"wp:attachment":[{"href":"https:\/\/ykyi.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=489"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ykyi.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=489"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ykyi.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=489"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}