{"id":4949,"date":"2023-09-14T15:46:24","date_gmt":"2023-09-14T07:46:24","guid":{"rendered":"https:\/\/www.yimenyun.cn\/emen\/?p=4949"},"modified":"2023-09-14T15:46:24","modified_gmt":"2023-09-14T07:46:24","slug":"linuxdd%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/www.yimenyun.cn\/emen\/4949\/","title":{"rendered":"linuxdd\u662f\u4ec0\u4e48?"},"content":{"rendered":"
LinuxDD\u662f\u4e00\u4e2a\u57fa\u4e8eLinux\u7cfb\u7edf\u7684\u78c1\u76d8\u955c\u50cf\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u4e8e\u5236\u4f5c\u78c1\u76d8\u7684\u955c\u50cf\u6587\u4ef6\uff0c\u4e5f\u53ef\u4ee5\u7528\u4e8e\u5c06\u955c\u50cf\u6587\u4ef6\u5199\u5165\u78c1\u76d8\u3002LinuxDD\u7684\u539f\u7406\u6bd4\u8f83\u7b80\u5355\uff0c\u5b83\u662f\u901a\u8fc7\u8bfb\u53d6\u786c\u76d8\u7684\u4e8c\u8fdb\u5236\u6570\u636e\u6765\u5b9e\u73b0\u78c1\u76d8\u955c\u50cf\u7684\u5236\u4f5c\u548c\u8fd8\u539f\u7684\u3002<\/p>\n
LinuxDD\u7684\u4f7f\u7528\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u8981\u5728\u547d\u4ee4\u884c\u4e2d\u8f93\u5165\u76f8\u5e94\u7684\u547d\u4ee4\u5373\u53ef\u3002\u4e0b\u9762\u4ecb\u7ecd\u4e00\u4e0bLinuxDD\u7684\u5e38\u7528\u547d\u4ee4\u53ca\u5176\u4f5c\u7528\uff1a<\/p>\n
1. dd if=\/dev\/sda of=\/mnt\/sda.img<\/p>\n
\u8fd9\u4e2a\u547d\u4ee4\u7684\u4f5c\u7528\u662f\u5c06\/dev\/sda\u78c1\u76d8\u7684\u5185\u5bb9\u8bfb\u53d6\u5230\/mnt\/sda.img\u6587\u4ef6\u4e2d\u3002\u5176\u4e2dif\u8868\u793a\u8f93\u5165\u7684\u6587\u4ef6\u540d\uff0cof\u8868\u793a\u8f93\u51fa\u7684\u6587\u4ef6\u540d\u3002\u8fd9\u4e2a\u547d\u4ee4\u5728\u5236\u4f5c\u78c1\u76d8\u955c\u50cf\u65f6\u975e\u5e38\u6709\u8de8\u8d8a\u5e73\u53f0\u684c\u9762\u5e94\u7528\u5f00\u53d1\u6846\u67b6<\/a>\u7528\uff0c\u53ef\u4ee5\u5c06\u6574\u4e2a\u78c1\u76d8\u7684\u6570\u636e\u5b8c\u6574\u5730\u4fdd\u5b58\u5230\u6587\u4ef6\u4e2d\u3002<\/p>\n 2. dd if=\/mnt\/sda.img of=\/dev\/sdb<\/p>\n \u8fd9\u4e2a\u547d\u4ee4\u7684\u4f5c\u7528\u662f\u5c06\/m<\/p>\n nt\/sda.img\u6587\u4ef6\u4e2d\u7684\u5185\u5bb9\u5199\u5165\u5230\/dev\/sdb\u78c1\u76d8\u4e2d\u3002\u8fd9\u4e2a\u547d\u4ee4\u5728\u8fd8\u539f\u78c1\u76d8\u955c\u50cf\u65f6\u975e\u5e38\u6709\u7528\uff0c\u53ef\u4ee5\u5c06\u4fdd\u5b58\u5728\u6587\u4ef6\u4e2d\u7684\u78c1\u76d8\u6570\u636e\u6062\u590d\u5230\u53e6\u4e00\u4e2a\u78c1\u76d8\u4e2d\u3002<\/p>\n 3. dd if=\/dev\/zero of=\/dev\/sda bs=1M count=10<\/p>\n \u8fd9\u4e2a\u547d\u4ee4\u7684\u4f5c\u7528\u662f\u5728\/dev\/sda\u78c1\u76d8\u7684\u524d10MB\u7a7a\u95f4\u4e2d\u5199\u51650\u3002\u5176\u4e2dbs\u8868\u793a\u6bcf\u6b21\u5199\u5165\u7684\u5757\u5927\u5c0f\uff0ccount\u8868\u793a\u5199\u5165\u7684\u5757\u6570\u3002\u8fd9\u4e2a\u547d\u4ee4\u53ef\u4ee5\u7528\u4e8e\u6e05\u7a7a\u78c1\u76d8\u4e2d\u7684\u6570\u636e\uff0c\u6216\u8005\u6d4b\u8bd5\u78c1\u76d8\u7684\u8bfb\u5199\u901f\u5ea6\u3002<\/p>\n 4. dd if=\/dev\/sda of=\/dev\/null bs=1M count=10<\/p>\n \u8fd9\u4e2a\u547d\u4ee4\u7684\u4f5c\u7528\u662f\u4ece\/dev\/sda\u78c1\u76d8\u4e2d\u8bfb\u53d6\u524d10MB\u7a7a\u95f4\u7684\u6570\u636e\uff0c\u5e76\u5c06\u5176\u4e22\u5f03\u3002\u5176\u4e2d\/dev\/null\u662f\u4e00\u4e2a\u7279\u6b8a\u7684\u8bbe\u5907\u6587\u4ef6\uff0c\u5199\u5165\u5b83\u7684\u6570\u636e\u90fd\u4f1a\u88ab\u4e22\u5f03\u3002\u8fd9\u4e2a\u547d\u4ee4\u53ef\u4ee5\u7528\u4e8e\u6d4b\u8bd5\u78c1\u76d8\u7684\u8bfb\u53d6\u901f\u5ea6\u3002<\/p>\n<\/figure>\n<\/p>\n