{"id":113743,"date":"2026-10-07T11:09:22","date_gmt":"2026-10-07T03:09:22","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/113743.html"},"modified":"2026-10-07T11:09:22","modified_gmt":"2026-10-07T03:09:22","slug":"%e7%a3%81%e7%9b%98%e5%ae%9e%e6%88%98-05%ef%bd%9crm-%e8%af%af%e5%88%a0%e4%ba%86%e8%bf%98%e8%83%bd%e6%95%91%e5%9b%9e%e6%9d%a5%e5%90%97%ef%bc%9fextundelete-%e7%9c%9f%e5%ae%9e%e6%88%90%e5%8a%9f%e7%8e%87","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/113743.html","title":{"rendered":"\u78c1\u76d8\u5b9e\u6218 05\uff5crm \u8bef\u5220\u4e86\u8fd8\u80fd\u6551\u56de\u6765\u5417\uff1fextundelete \u771f\u5b9e\u6210\u529f\u7387\u3001\u5931\u8d25\u573a\u666f\u4e0e\u4e09\u6761\u94c1\u5f8b"},"content":{"rendered":"

\u90a3\u662f\u4e2a\u5468\u4e94\u508d\u665a，\u6211\u5728\u6e05\u7406\u811a\u672c\u91cc\u624b\u6ed1\u591a\u6253\u4e86\u4e00\u4e2a\u901a\u914d\u7b26，rm -rf cache* \u53d8\u6210\u4e86\u5bf9\u4e00\u6574\u4e2a\u9879\u76ee\u76ee\u5f55\u7684\u5904\u5211\u3002<\/p>\n

\u51b7\u9759\u4e0b\u6765\u7684\u7b2c\u4e00\u53cd\u5e94\u662f\u53bb\u641c\u300cLinux \u8bef\u5220\u6062\u590d\u300d\u3002\u6559\u7a0b\u4eec\u70ed\u60c5\u6d0b\u6ea2：extundelete\u3001testdisk\u3001photorec，\u6b65\u9aa4\u9f50\u5168\u3002\u6211\u7167\u505a\u4e86\u2014\u2014\u90e8\u5206\u6210\u529f：\u5220\u6389\u7684\u6e90\u7801\u627e\u56de\u4e86\u4e03\u6210，\u53e6\u5916\u4e09\u6210\u6c38\u8fdc\u6d88\u5931\u3002\u5f53\u65f6\u6211\u4e0d\u660e\u767d\u4e3a\u4ec0\u4e48\u662f\u4e03\u6210，\u4e5f\u6ca1\u4eba\u544a\u8bc9\u6211\u8fd9\u6570\u5b57\u8fd8\u80fd\u66f4\u4f4e\u3002<\/p>\n

\u8fd9\u7bc7\u628a\u6062\u590d\u7684\u771f\u5b9e\u9762\u8c8c\u8bb2\u6e05：\u80fd\u6551\u591a\u5c11\u3001\u4ec0\u4e48\u65f6\u5019\u6551\u4e0d\u4e86\u3001\u4ee5\u53ca\u4e3a\u4ec0\u4e48\u300c\u9884\u9632\u300d\u6bd4\u300c\u6062\u590d\u300d\u4fbf\u5b9c\u4e00\u4e07\u500d\u3002<\/p>\n

\u3007\u3001\u5148\u82b1\u4e24\u5206\u949f：rm \u7684\u65f6\u5019\u78c1\u76d8\u4e0a\u53d1\u751f\u4e86\u4ec0\u4e48<\/h3>\n

\u5e38\u8bc6\u60f3\u8c61\u662f\u300c\u6570\u636e\u88ab\u64e6\u6389\u4e86\u300d\u3002\u51e0\u4e4e\u4e0d\u662f\u3002 \u771f\u5b9e\u8fc7\u7a0b（\u4ee5 ext4 \u4e3a\u4f8b）：<\/p>\n

  • \n

    rm \u53ea\u5e72\u4e24\u4ef6\u5c0f\u4e8b：\u628a\u6587\u4ef6\u76ee\u5f55\u9879\u91cc\u90a3\u884c\u5220\u4e86（\u4ee5\u540e\u6309\u540d\u5b57\u627e\u4e0d\u5230\u5b83\u4e86），\u628a inode \u6807\u8bb0\u4e3a\u7a7a\u95f2（inode = B2 \u8bb2\u8fc7\u7684\u90a3\u9875\u8d26\u672c，\u8bb0\u5f55\u6570\u636e\u5757\u4f4d\u7f6e）；<\/p>\n<\/li>\n

  • \n

    \u6570\u636e\u5757\u672c\u8eab\u4e00\u4e2a\u5b57\u8282\u6ca1\u52a8\u2014\u2014\u6587\u4ef6\u5185\u5bb9\u8fd8\u8eba\u5728\u76d8\u4e0a，\u53ea\u662f\u300c\u6ca1\u4eba\u8ba4\u9886\u300d；<\/p>\n<\/li>\n

  • \n

    \u771f\u6b63\u7684\u62b9\u9664\u53d1\u751f\u5728\u4e4b\u540e：\u4efb\u4f55\u65b0\u5199\u5165\u7684\u6587\u4ef6\u90fd\u53ef\u80fd\u8ba4\u9886\u8fd9\u4e9b\u7a7a\u95f2\u5757，\u8986\u5199\u65e7\u5185\u5bb9\u3002<\/p>\n<\/li>\n

    \u63a8\u8bba\u662f\u8fd9\u7bc7\u7684\u6838\u5fc3：\u8bef\u5220\u540e\u7684\u76d8\u50cf\u4e00\u676f\u6253\u7ffb\u7684\u6c34，\u6062\u590d\u50cf\u62a2\u6551\u684c\u9762\u4e0a\u7684\u6c34\u2014\u2014\u6bcf\u8fc7\u4e00\u79d2\u684c\u9762\u90fd\u5728\u53d8\u5e72\u3002 \u8bef\u5220\u540e\u7cfb\u7edf\u7ee7\u7eed\u8dd1\u3001\u65e5\u5fd7\u7ee7\u7eed\u5199\u3001\u6d4f\u89c8\u5668\u7ee7\u7eed\u7f13\u5b58，\u5168\u5728\u559d\u4f60\u7684\u6c34\u3002<\/p>\n

    \u6240\u4ee5\u8bef\u5220\u540e\u7b2c\u4e00\u4e2a\u52a8\u4f5c\u4e0d\u662f\u88c5\u6062\u590d\u5de5\u5177（\u88c5\u5305\u672c\u8eab\u5c31\u5728\u5199\u76d8！），\u662f\u505c\u6b62\u5199\u5165：\u80fd umount \u5c31 umount，\u80fd\u5173\u673a\u5c31\u5173\u673a（mount -o remount,ro \u4e5f\u884c）\u3002\u4e91\u4e3b\u673a\u8fd8\u6709\u4e00\u62db\u5927\u62db：\u5148\u6253\u5feb\u7167，\u7136\u540e\u5728\u5feb\u7167\u4e0a\u6062\u590d，\u539f\u76d8\u4e00\u4e2a\u5b57\u8282\u4e0d\u52a8\u3002<\/p>\n

    \"\" \u56fe\u793a：rm \u540e\u78c1\u76d8\u771f\u5b9e\u72b6\u6001\u3001\u6b63\u786e\u52a8\u4f5c\u987a\u5e8f\u4e0e\u5931\u8d25\u573a\u666f<\/p>\n

    \u4e00\u3001extundelete：\u80fd\u7528\u7684\u59ff\u52bf<\/h3>\n

    \u524d\u63d0\u4e09\u4ef6\u4e8b：ext3\/ext4 \u6587\u4ef6\u7cfb\u7edf\u3001\u8bbe\u5907\u5df2\u53ea\u8bfb\u6216\u5378\u8f7d\u3001\u5305\u540d\u76f8\u540c（sudo apt install extundelete）\u3002<\/p>\n

    sudo extundelete \/dev\/sdb1 –restore-file projects\/app\/main.py
    \nsudo extundelete \/dev\/sdb1 –restore-all<\/p>\n

    \u600e\u4e48\u8bfb：\u524d\u8005\u6307\u5b9a\u8def\u5f84\u6062\u590d\u5355\u4e2a\u6587\u4ef6（\u76f8\u5bf9\u5206\u533a\u6839\u7684\u8def\u5f84，\u4e0d\u5e26\u5f00\u5934\u659c\u6760，\u5e26\u659c\u6760\u5b83\u4f1a\u62a5\u300c\u627e\u4e0d\u5230\u300d\u2014\u2014\u9ad8\u9891\u7ffb\u8f66\u70b9）；\u540e\u8005\u5168\u76d8\u626b\u63cf\u6062\u590d\u4e00\u5207\u53ef\u8bc6\u522b\u7684\u3002\u6062\u590d\u51fa\u6765\u7684\u6587\u4ef6\u653e\u5728\u6267\u884c\u76ee\u5f55\u4e0b\u7684 RECOVERED_FILES\/ \u91cc\u3002<\/p>\n

    \u5b83\u7684\u5de5\u4f5c\u539f\u7406\u503c\u5f97\u77e5\u9053\u4e00\u53e5：\u626b\u63cf\u78c1\u76d8\u4e0a\u300c\u6ca1\u88ab\u8986\u5199\u7684\u65e7 inode \u6b8b\u5f71\u300d，\u628a inode \u8bb0\u5f55\u7684\u6570\u636e\u5757\u94fe\u91cd\u65b0\u4e32\u8d77\u6765\u3002\u8fd9\u4e2a\u539f\u7406\u76f4\u63a5\u63a8\u5bfc\u51fa\u6240\u6709\u5931\u8d25\u573a\u666f\u2014\u2014<\/p>\n

    \u4e8c\u3001\u4e09\u5927\u5931\u8d25\u573a\u666f：\u6559\u7a0b\u4e0d\u4f1a\u8bf4\u7684\u90e8\u5206<\/h3>\n

    \u573a\u666f 1：\u5757\u5df2\u88ab\u8986\u5199\u3002 \u8bef\u5220\u540e\u7ee7\u7eed\u7528\u76d8\u4e00\u5c0f\u65f6\u518d\u6062\u590d，\u65b0\u5199\u5165\u7684\u6570\u636e\u8ba4\u9886\u4e86\u65e7\u5757\u3002\u6b8b\u5f71\u5728，\u5185\u5bb9\u5df2\u662f\u522b\u4eba\u7684\u3002\u8fd9\u662f\u300c\u4e03\u6210\u300d\u53d8\u300c\u4e24\u6210\u300d\u7684\u5934\u53f7\u539f\u56e0，\u65f6\u95f4\u5c31\u662f\u6210\u529f\u7387\u3002<\/p>\n

    \u573a\u666f 2：\u5c0f\u6587\u4ef6 + \u65e5\u5fd7\u5f0f\u6587\u4ef6\u7cfb\u7edf\u3002 ext4 \u7684\u5220\u9664\u4f1a\u6e05\u6389 inode \u91cc\u7684\u6570\u636e\u5757\u6307\u9488（\u65e5\u5fd7\u5f0f\u6587\u4ef6\u7cfb\u7edf\u4e3a\u4e86\u4e00\u81f4\u6027，\u5220\u9664\u65f6\u987a\u624b\u62b9\u4e86\u6307\u9488）\u3002\u4e8e\u662f extundelete \u627e\u5f97\u5230 inode\u300c\u8fd9\u91cc\u66fe\u6709\u4e2a\u6587\u4ef6\u3001\u5927\u5c0f\u591a\u5c11\u300d，\u5374\u4e0d\u77e5\u9053\u6570\u636e\u5728\u54ea，\u53ea\u80fd\u6309\u6587\u4ef6\u5927\u5c0f\u5728\u9644\u8fd1\u300c\u731c\u300d\u7740\u6293\u3002\u5c0f\u6587\u4ef6\u5e38\u6293\u6210\u788e\u7247\u6216\u4e71\u7801\u3002ext3 \u65f6\u4ee3\u6062\u590d\u7387\u53cd\u800c\u9ad8\u4e9b\u2014\u2014\u8fd9\u662f\u4e2a\u6b8b\u9177\u7684\u6280\u672f\u5012\u9000\u3002<\/p>\n

    \u573a\u666f 3：XFS\/Btrfs \u4e0a，extundelete \u76f4\u63a5\u4e0d\u9002\u7528\u3002 \u5b83\u53ea\u8ba4 ext \u7cfb\u3002XFS \u4e0a\u57fa\u672c\u53ea\u5269 photorec（\u89c1\u4e0b）\u8fd9\u79cd\u5185\u5bb9\u626b\u63cf\u6d41\u3002<\/p>\n

    \u987a\u5e26\u4e00\u8bf4 photorec：\u4e0d\u8bfb\u6587\u4ef6\u7cfb\u7edf\u8d26\u672c，\u76f4\u63a5\u6309\u6587\u4ef6\u5934\u7b7e\u540d（JPEG \u7684_ff d8\u3001PDF \u7684 %PDF \u8fd9\u7c7b）\u626b\u63cf\u5168\u76d8\u5185\u5bb9\u3002\u597d\u5904\u662f\u4ec0\u4e48\u6587\u4ef6\u7cfb\u7edf\u90fd\u884c（\u8fde Windows \u76d8\u90fd\u884c），\u574f\u5904\u662f\u4e22\u6587\u4ef6\u540d\u548c\u76ee\u5f55\u7ed3\u6784\u2014\u2014\u6062\u590d\u51fa 3000 \u5f20 f0001234.jpg，\u9760\u4eba\u773c\u4e00\u5f20\u5f20\u5f52\u4f4d\u3002\u9002\u5408\u300c\u53ea\u8981\u5185\u5bb9，\u4e0d\u8981\u7ed3\u6784\u300d\u7684\u7edd\u671b\u65f6\u523b\u3002<\/p>\n

    \u4e09\u3001\u4e09\u4e2a\u771f\u5b9e\u5efa\u8bae<\/h3>\n
  • \n

    rm \u662f\u5ef6\u8fdf\u9677\u9631：\u5148 -i \u4e00\u6b21\u518d\u653e\u884c\u3002 \u4ea4\u4e92\u5f0f rm \u592a\u70e6，\u4f46\u901a\u914d\u7b26 rm \u524d\u5148 ls \u4e00\u904d\u540c\u8868\u8fbe\u5f0f\u770b\u770b\u547d\u4e2d\u8c01，\u6210\u672c\u4e09\u79d2\u3002\u6211\u73b0\u5728\u7684\u808c\u8089\u8bb0\u5fc6：\u4efb\u4f55\u5e26 * \u7684 rm，\u5148\u8dd1\u4e00\u904d\u540c\u53c2\u6570\u7684 ls；<\/p>\n<\/li>\n

  • \n

    rm \u6ca1\u6709\u56de\u6536\u7ad9，\u4f46\u53ef\u4ee5\u9020\u4e00\u4e2a\u3002 \u684c\u9762\u73af\u5883\u5176\u5b9e\u6709（GNOME \u7684\u300c\u5783\u573e\u7bb1\u300d），\u7eaf\u547d\u4ee4\u884c\u7684\u66ff\u4ee3\u65b9\u6848\u662f trash-cli（sudo apt install trash-cli，\u7528 trash-put \u4ee3\u66ff rm，trash-list \u67e5\u770b\u3001trash-restore \u6062\u590d）\u3002\u811a\u672c\u91cc\u7ee7\u7eed\u7528 rm，\u624b\u52a8\u5220\u9664\u6539\u7528 trash-put，\u5c31\u591f\u4e86；<\/p>\n<\/li>\n

  • \n

    \u771f\u6b63\u9760\u8c31\u7684\u4ece\u6765\u662f\u5907\u4efd：rsync \u5b9a\u65f6\u5feb\u7167\u3001LVM \u5feb\u7167（D3 \u90a3\u5957）\u3001\u4e91\u76d8\u6253\u5feb\u7167\u3002\u6062\u590d\u5de5\u5177\u7684\u6210\u529f\u7387\u662f\u6982\u7387，\u5907\u4efd\u7684\u6210\u529f\u7387\u662f 100%\u3002F4 \u90a3\u7bc7\u4f1a\u5199\u4e00\u4e2a\u80fd\u8fdb\u751f\u4ea7\u7684\u5907\u4efd\u811a\u672c\u3002<\/p>\n<\/li>\n

    \u56db\u3001\u548c\u524d\u540e\u7bc7\u7684\u5173\u7cfb<\/h3>\n
      \n
    • \n

      \u5220\u9664\u7684\u5e95\u5c42\u673a\u5236（inode\u3001\u94fe\u63a5\u8ba1\u6570）\u4e0e B3（\u5df2\u5220\u6587\u4ef6\u4ecd\u88ab\u8fdb\u7a0b\u5360\u7528\u3001\u78c1\u76d8\u4e0d\u91ca\u653e）\u662f\u540c\u4e00\u679a\u786c\u5e01\u7684\u4e24\u9762：B3 \u662f\u300c\u5220\u4e86\u4f46\u8fdb\u7a0b\u8fd8\u62fd\u7740\u300d，\u672c\u7bc7\u662f\u300c\u5220\u4e86\u771f\u6ca1\u4eba\u62fd\u300d；<\/p>\n<\/li>\n

    • \n

      \u300c\u5148\u6253\u5feb\u7167\u518d\u64cd\u4f5c\u300d\u7684\u5e95\u6c14\u6765\u81ea D3 \u7684 LVM \u5feb\u7167\u6216\u4e91\u5e73\u53f0\u5feb\u7167；<\/p>\n<\/li>\n

    • \n

      ext4 vs XFS \u7684\u9009\u62e9（D4）\u76f4\u63a5\u5f71\u54cd\u4f60\u80fd\u7528\u54ea\u6761\u6062\u590d\u8def\u7ebf\u3002<\/p>\n<\/li>\n<\/ul>\n

      \u901f\u67e5\u8868（\u6587\u672b\u6536\u85cf\u7248）<\/h3>\n

      \u8bef\u5220\u540e\u7b2c\u4e00\u52a8\u4f5c \u00a0 \u00a0 \u00a0 \u2192 \u505c\u6b62\u5199\u5165！umount \/ remount,ro \/ \u4e91\u673a\u5148\u6253\u5feb\u7167
      \next3\/ext4 \u6062\u590d \u00a0 \u00a0 \u00a0 \u2192 sudo extundelete \/dev\/sdX1 –restore-file \u76f8\u5bf9\u8def\u5f84\/\u4e0d\u5e26\u5f00\u5934\u659c\u6760
      \n\u5168\u626b \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2192 sudo extundelete \/dev\/sdX1 –restore-all （\u7ed3\u679c\u5728 RECOVERED_FILES\/）
      \n\u5176\u4ed6\u6587\u4ef6\u7cfb\u7edf\/\u7edd\u671b\u5c40 \u2192 photorec（\u6309\u6587\u4ef6\u5934\u626b\u5185\u5bb9，\u4e22\u6587\u4ef6\u540d\u548c\u76ee\u5f55）
      \n\u6062\u590d\u524d \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2192 \u8bbe\u5907\u53ea\u8bfb；\u522b\u5728\u539f\u76d8\u88c5\u5de5\u5177\u3001\u522b\u5f80\u539f\u76d8\u5199\u4efb\u4f55\u4e1c\u897f
      \n\u5931\u8d25\u4e09\u5927\u573a\u666f \u00a0 \u00a0 \u00a0 \u00a0 \u2192 \u5757\u88ab\u8986\u5199 ／ ext4 \u5c0f\u6587\u4ef6\u6307\u9488\u5df2\u6e05 ／ XFS\/Btrfs \u4e0d\u9002\u7528
      \n\u5e26 * \u7684 rm \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2192 \u5148\u8dd1\u4e00\u904d\u540c\u53c2\u6570\u7684 ls
      \n\u547d\u4ee4\u884c\u56de\u6536\u7ad9 \u00a0 \u00a0 \u00a0 \u00a0 \u2192 trash-cli（trash-put \/ trash-list \/ trash-restore）
      \n\u6210\u529f\u7387\u6392\u5e8f \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2192 \u5907\u4efd 100% > \u5feb\u7167 > \u6062\u590d\u5de5\u5177（\u6982\u7387）> \u7948\u7977<\/p>\n","protected":false},"excerpt":{"rendered":"

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