{"id":35094,"date":"2026-10-08T15:53:38","date_gmt":"2026-10-08T07:53:38","guid":{"rendered":"https:\/\/www.simcentric.com\/uncategorized-tc\/how-to-expand-the-server-root-partition-online-when-full\/"},"modified":"2026-10-08T15:56:28","modified_gmt":"2026-10-08T07:56:28","slug":"how-to-expand-the-server-root-partition-online-when-full","status":"publish","type":"post","link":"https:\/\/www.simcentric.com\/tc\/america-dedicated-server-tc\/how-to-expand-the-server-root-partition-online-when-full\/","title":{"rendered":"\u4f3a\u670d\u5668\u6839\u5206\u5272\u5340\u6eff\u4e86\uff0c\u5982\u4f55\u5728\u7dda\u64f4\u5145\u4e14\u7121\u9700\u91cd\u65b0\u958b\u6a5f"},"content":{"rendered":"

\u6839\u5206\u5272\u5340\u6eff\u4e86\u901a\u5e38\u4e26\u4e0d\u4ee3\u8868\u4e00\u5b9a\u8981\u505c\u6a5f\u3002\u5728\u5927\u591a\u6578\u60c5\u6cc1\u4e0b\uff0c\u4f60\u90fd\u53ef\u4ee5\u5728\u4e0d\u4e2d\u65b7\u670d\u52d9<\/a>\u3001\u4e5f\u4e0d\u91cd\u65b0\u958b\u6a5f\u7684\u524d\u63d0\u4e0b\uff0c\u7dda\u4e0a\u64f4\u5145\u4f3a\u670d\u5668\u6839\u5206\u5272\u5340\u3002<\/p>\n

\u6b63\u78ba\u7684\u64cd\u4f5c\u6b65\u9a5f\u53d6\u6c7a\u65bc\u4f60\u4f7f\u7528\u7684\u6a94\u6848\u7cfb\u7d71<\/a>\u3002LVM\u3001ext4 \u8207 XFS \u7684\u8655\u7406\u6307\u4ee4\u5404\u4e0d\u76f8\u540c\uff0c\u800c XFS \u53ea\u652f\u63f4\u64f4\u5145\uff0c\u4e0d\u652f\u63f4\u7e2e\u6e1b\u3002<\/p>\n

\u5982\u679c\u662f\u865b\u64ec\u6a5f\u5668\u74b0\u5883\uff0c\u9084\u9700\u8981\u591a\u4e00\u6b65\uff1a\u5fc5\u9808\u5148\u5728\u865b\u64ec\u5316\u5e73\u53f0\u4e2d\u64f4\u5927\u865b\u64ec\u78c1\u789f\uff0c\u7136\u5f8c\u5ba2\u9ad4\u7cfb\u7d71\u5167\u90e8\u7684\u64f4\u5145\u64cd\u4f5c\u624d\u80fd\u8fa8\u8b58\u4e26\u4f7f\u7528\u9019\u90e8\u5206\u65b0\u589e\u7a7a\u9593\u3002<\/p>\n

\u7576\u78c1\u789f\u7a7a\u9593\u544a\u6025\u6642\uff0c\u4e0d\u8981\u6025\u8457\u300c\u81e8\u5834\u767c\u63ee\u300d\u3002\u8acb\u5148\u505a\u5b8c\u6574\u5099\u4efd\uff0c\u518d\u4ed4\u7d30\u6aa2\u67e5\u76ee\u524d\u7684\u78c1\u789f\u8207\u5206\u5272\u5340\u914d\u7f6e\u3002<\/p>\n

\u64f4\u5145\u6839\u5206\u5272\u5340\u524d\u7684\u6e96\u5099\u689d\u4ef6<\/strong><\/h2>\n

\u672c\u6587\u4e2d\u7684\u6bcf\u4e00\u689d\u6307\u4ee4\u90fd\u9700\u8981 root \u6b0a\u9650\uff0c\u6216\u5177\u5099 sudo \u6b0a\u9650\u7684\u5e33\u865f\u3002\u82e5\u6c92\u6709\u76f8\u61c9\u6b0a\u9650\uff0c\u6838\u5fc3\u6703\u62d2\u7d55\u5206\u5272\u5340\u6216\u6a94\u6848\u7cfb\u7d71\u64f4\u5145\u64cd\u4f5c\u3002\u4f60\u53ef\u4ee5\u5148\u57f7\u884c sudo -v<\/code> \u78ba\u8a8d\u6b0a\u9650\u662f\u5426\u53ef\u7528\u3002\u82e5\u53ef\u4ee5\u7e7c\u7e8c\uff0c\u8a72\u6307\u4ee4\u6703\u975c\u9ed8\u8fd4\u56de\u3002\u5efa\u8b70\u5728\u6aa2\u67e5\u4efb\u4f55\u5132\u5b58\u88dd\u7f6e\u4e4b\u524d\u5148\u57f7\u884c\u5b83\u3002<\/p>\n

\u5728\u4fee\u6539\u5206\u5272\u5340\u524d\uff0c\u52d9\u5fc5\u5148\u505a\u5b8c\u6574\u5099\u4efd\u3002\u7dda\u4e0a\u64f4\u5145\u901a\u5e38\u662f\u5b89\u5168\u7684\uff0c\u4f46\u505c\u96fb\u6216\u8aa4\u64cd\u4f5c\u4ecd\u53ef\u80fd\u9020\u6210\u8cc7\u6599\u640d\u6bc0\u3002\u5099\u4efd\u80fd\u70ba\u4f60\u63d0\u4f9b\u660e\u78ba\u7684\u9084\u539f\u8def\u5f91\u3002\u8acb\u5c07\u5099\u4efd\u5132\u5b58\u5230\u7368\u7acb\u78c1\u789f\u6216\u9060\u7aef\u4e3b\u6a5f\u4e0a\uff0c\u4e26\u5728\u958b\u59cb\u64cd\u4f5c\u524d\u78ba\u8a8d\u5099\u4efd\u53ef\u4ee5\u6b63\u5e38\u8b80\u53d6\u3002<\/p>\n

\u78ba\u8a8d Root \u6b0a\u9650\u4e26\u5099\u4efd\u8cc7\u6599<\/h3>\n

\u57f7\u884c sudo -i<\/code>\uff0c\u5728\u6574\u500b\u64cd\u4f5c\u5de5\u4f5c\u968e\u6bb5\u4e2d\u9032\u5165 root shell\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u64f4\u5145\u904e\u7a0b\u4e2d\u9014\u51fa\u73fe\u6b0a\u9650\u554f\u984c\u3002\u5982\u679c\u4f60\u672c\u4f86\u5c31\u662f root \u4f7f\u7528\u8005\uff0c\u53ef\u4ee5\u7565\u904e\u9019\u4e00\u6b65\u3002\u4f46\u5099\u4efd\u4ecd\u7136\u4e0d\u53ef\u5c11\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528 dump<\/code>\u3001tar<\/code>\uff0c\u6216\u865b\u64ec\u5316\u5e73\u53f0\u7684\u5feb\u7167\u529f\u80fd\u9032\u884c\u5099\u4efd\u3002\u5099\u4efd\u5167\u5bb9\u5fc5\u9808\u6db5\u84cb\u5b8c\u6574\u7684\u6839\u6a94\u6848\u7cfb\u7d71\u3002\u8acb\u7528\u65e5\u671f\u8207\u4f3a\u670d\u5668\u540d\u7a31\u70ba\u5099\u4efd\u52a0\u4e0a\u6a19\u7c64\uff0c\u4ee5\u4fbf\u5728\u4f3a\u670d\u5668\u610f\u5916\u4e2d\u65b7\u6642\u5feb\u901f\u5b9a\u4f4d\u4e26\u9084\u539f\u3002<\/p>\n

\u8fa8\u8b58\u662f\u5426\u4f7f\u7528 LVM\u3001ext4 \u6216 XFS<\/h3>\n

\u57f7\u884c df -hT \/<\/code> \u67e5\u770b\u6a94\u6848\u7cfb\u7d71\u985e\u578b\u3002\u9019\u500b\u6307\u4ee4\u6703\u5728\u5bb9\u91cf\u8f38\u51fa\u4e2d\u589e\u52a0 Type<\/code> \u6b04\u3002\u639b\u8f09\u5230 \/<\/code> \u7684\u90a3\u4e00\u5217\u6703\u986f\u793a\u70ba ext4<\/code> \u6216 xfs<\/code>\u3002Type<\/code> \u6b04\u6703\u8207 Size<\/code>\u3001Used<\/code>\u3001Avail<\/code>\u3001Use%<\/code> \u8207 Mounted on<\/code> \u4e00\u8d77\u986f\u793a\u3002<\/p>\n

\u63a5\u8457\u57f7\u884c lsblk -f<\/code>\u3002\u8a72\u6307\u4ee4\u6703\u986f\u793a\u5f9e\u5be6\u9ad4\u78c1\u789f\u5230\u5206\u5272\u5340\u7684\u5b8c\u6574\u5132\u5b58\u5c64\u7d1a\u7d50\u69cb\uff0c\u4f60\u53ef\u4ee5\u85c9\u6b64\u5224\u65b7\u6839\u6a94\u6848\u7cfb\u7d71\u662f\u5426\u4f4d\u65bc LVM \u4e4b\u4e0a\u3002\u5982\u679c\u662f LVM\uff0c\u8acb\u9032\u4e00\u6b65\u4f7f\u7528 pvs<\/code>\u3001vgs<\/code> \u8207 lvs<\/code> \u6aa2\u67e5\u5377\u7d44\u8cc7\u8a0a\u3002pvs<\/code> \u6703\u5217\u51fa\u5be6\u9ad4\u5377\u53ca\u5176\u5927\u5c0f\uff1bvgs<\/code> \u6703\u986f\u793a\u5377\u7d44\u5269\u9918\u53ef\u7528\u7a7a\u9593\uff1blvs<\/code> \u6703\u7d66\u51fa\u57f7\u884c\u64f4\u5145\u6307\u4ee4\u6642\u6240\u9700\u7684\u908f\u8f2f\u5377\u7cbe\u78ba\u8def\u5f91\u3002<\/p>\n

XFS \u53ea\u80fd\u64f4\u5145\uff0c\u4e0d\u80fd\u7e2e\u6e1b\u3002\u5982\u679c\u4f60\u7684\u6839\u6a94\u6848\u7cfb\u7d71\u4f7f\u7528 XFS\uff0c\u8acb\u5728\u958b\u59cb\u524d\u78ba\u8a8d\u78ba\u5be6\u5b58\u5728\u53ef\u7528\u7a7a\u9593\uff0c\u7136\u5f8c\u518d\u6b21\u6838\u5c0d Type<\/code> \u6b04\u4ee5\u907f\u514d\u8aa4\u64cd\u4f5c\u3002\u638c\u63e1\u9019\u4e00\u9ede\uff0c\u624d\u80fd\u66f4\u5b89\u5168\u5730\u64f4\u5145\u6839\u5206\u5272\u5340\u3002<\/p>\n

\u5728 Linux \u4f3a\u670d\u5668\u4e0a\u64f4\u5145\u6839\u5206\u5272\u5340\u524d\uff0c\u5148\u8a55\u4f30\u76ee\u524d\u914d\u7f6e<\/strong><\/h2>\n

\u5728\u4f60\u5b89\u5168\u5730\u64f4\u5145 Linux \u4f3a\u670d\u5668\u6839\u5206\u5272\u5340\u4e4b\u524d\uff0c\u5fc5\u9808\u5148\u68b3\u7406\u6e05\u695a\u76ee\u524d\u7684\u5132\u5b58\u914d\u7f6e\u3002\u8acb\u4f9d\u5e8f\u57f7\u884c\u4ee5\u4e0b\u6307\u4ee4\uff0c\u4e26\u8a18\u9304\u6bcf\u4e00\u9805\u8f38\u51fa\u7d50\u679c\u3002<\/p>\n

    \n
  1. \u57f7\u884c df -h<\/code>\uff0c\u78ba\u8a8d\u6839\u6a94\u6848\u7cfb\u7d71\u7684\u76ee\u524d\u4f7f\u7528\u60c5\u6cc1\u3002<\/li>\n
  2. \u57f7\u884c lsblk<\/code>\uff0c\u67e5\u770b\u78c1\u789f\u8207\u5206\u5272\u5340\u6a39\u72c0\u7d50\u69cb\u3002<\/li>\n
  3. \u57f7\u884c fdisk -l<\/code> \u8207 parted -l<\/code>\uff0c\u5217\u51fa\u5206\u5272\u5340\u908a\u754c\u3002<\/li>\n
  4. \u57f7\u884c vgs<\/code>\uff0c\u6aa2\u67e5\u5377\u7d44\u4e2d\u662f\u5426\u6709\u53ef\u7528\u7684\u5269\u9918\u7a7a\u9593\u3002<\/li>\n<\/ol>\n

    \u6aa2\u67e5\u78c1\u789f\u8207\u865b\u64ec Linux \u7cfb\u7d71\u5206\u5272\u5340<\/h3>\n

    parted -l<\/code> \u7684\u8f38\u51fa\u6703\u986f\u793a\u6bcf\u500b\u5206\u5272\u5340\u7684\u8d77\u59cb\u78c1\u5340\u8207\u7d50\u675f\u78c1\u5340\u3002\u8acb\u7559\u610f\u67d0\u500b\u5206\u5272\u5340\u7d50\u675f\u4f4d\u7f6e\u8207\u4e0b\u4e00\u500b\u5206\u5272\u5340\u958b\u59cb\u4f4d\u7f6e\u4e4b\u9593\u662f\u5426\u5b58\u5728\u7a7a\u9699\u3002\u9019\u500b\u7a7a\u9699\u5c31\u662f\u5c1a\u672a\u914d\u7f6e\u7684\u53ef\u7528\u7a7a\u9593\u3002\u7dda\u4e0a\u64f4\u5145\u8981\u6c42\u9019\u6bb5\u7a7a\u9592\u7a7a\u9593\u5fc5\u9808\u7dca\u63a5\u5728\u76ee\u6a19\u5206\u5272\u5340\u4e4b\u5f8c\u3002<\/p>\n

    \u865b\u64ec Linux \u7cfb\u7d71\u5206\u5272\u5340\u9084\u6709\u4e00\u500b\u984d\u5916\u9650\u5236\uff1a\u5728\u865b\u64ec\u5316\u5e73\u53f0\u5c64\u9762\u64f4\u5927\u865b\u64ec\u78c1\u789f\uff0c\u4e26\u4e0d\u6703\u81ea\u52d5\u64f4\u5927\u5ba2\u9ad4\u7cfb\u7d71\u5167\u90e8\u7684\u5206\u5272\u5340\u3002\u4f60\u5fc5\u9808\u5148\u5728\u865b\u64ec\u5316\u5e73\u53f0\u4e0a\u5b8c\u6210\u78c1\u789f\u64f4\u5145\uff0c\u7136\u5f8c\u5728\u5ba2\u9ad4\u7cfb\u7d71\u5167\u518d\u57f7\u884c growpart<\/code> \u6216 LVM \u76f8\u95dc\u6307\u4ee4\u3002\u5ba2\u9ad4\u7cfb\u7d71\u53ea\u80fd\u4f7f\u7528\u865b\u64ec\u78c1\u789f\u5c64\u9762\u5df2\u7d93\u5b58\u5728\u7684\u65b0\u589e\u7a7a\u9593\u3002<\/p>\n

    \u6aa2\u67e5\u5377\u7d44\u5269\u9918\u7a7a\u9593<\/h3>\n

    vgs<\/code> \u6307\u4ee4\u7684\u8f38\u51fa\u4e2d\u6703\u5305\u542b\u4e00\u500b VFree \u6b04\u3002\u4f8b\u5982\uff0c\u5377\u7d44 myvolg<\/code> \u7684\u793a\u4f8b\u8f38\u51fa\u53ef\u80fd\u986f\u793a VFree <139.99g<\/code>\u3002\u9019\u8868\u793a\u5377\u7d44\u5167\u90e8\u53ef\u7528\u65bc\u64f4\u5145\u908f\u8f2f\u5377\u7684\u7a7a\u9593\u5927\u5c0f\u3002<\/p>\n

    \u8acb\u5340\u5206\u5169\u7a2e\u300c\u7a7a\u9592\u7a7a\u9593\u300d\u3002\u5377\u7d44\u5167\u90e8\u7684\u7a7a\u9592\u7a7a\u9593\uff0c\u662f LVM \u53ef\u76f4\u63a5\u7528\u4f86\u64f4\u5145\u908f\u8f2f\u5377\u7684\u5bb9\u91cf\uff1b\u800c\u5be6\u9ad4\u78c1\u789f\u4e0a\u7684\u672a\u914d\u7f6e\u7a7a\u9593\uff0c\u5247\u4f4d\u65bc\u4efb\u4f55\u5206\u5272\u5340\u4e4b\u5916\u3002\u5c0d\u65bc\u975e LVM \u914d\u7f6e\uff0c\u53ea\u6709\u7b2c\u4e8c\u7a2e\u7a7a\u9593\u624d\u6709\u5e6b\u52a9\u3002\u5728\u9078\u64c7\u64f4\u5145\u65b9\u6cd5\u4e4b\u524d\uff0c\u8acb\u52d9\u5fc5\u540c\u6642\u78ba\u8a8d\u9019\u5169\u985e\u7a7a\u9593\uff0c\u4e26\u6838\u5be6\u78c1\u789f\u4e0a\u7684\u5269\u9918\u7a7a\u9593\u662f\u5426\u8207\u4f60\u7684\u64f4\u5145\u65b9\u6848\u4e00\u81f4\u3002<\/p>\n

    \u900f\u904e LVM \u5728\u7dda\u64f4\u5145\u4f3a\u670d\u5668\u6839\u5206\u5272\u5340<\/strong><\/h2>\n

    LVM \u662f\u5728\u7dda\u64f4\u5145\u4f3a\u670d\u5668\u6839\u5206\u5272\u5340\u6700\u7c21\u6f54\u7684\u65b9\u5f0f\u3002\u4f60\u53ea\u9700\u64f4\u5145\u908f\u8f2f\u5377\uff0c\u6838\u5fc3\u5c31\u6703\u5728\u7cfb\u7d71\u904b\u884c\u671f\u9593\u8fa8\u8b58\u65b0\u589e\u7684\u5340\u584a\u88dd\u7f6e\u3002\u7121\u9700\u91cd\u65b0\u958b\u6a5f\uff0c\u4e5f\u4e0d\u6703\u4e2d\u65b7\u670d\u52d9\u3002<\/p>\n

    \u4f7f\u7528\u5377\u7d44\u4e2d\u7684\u5269\u9918\u7a7a\u9593\u9032\u884c\u64f4\u5145<\/h3>\n

    \u9996\u5148\u4f7f\u7528\u9019\u689d\u4e00\u6b65\u5230\u4f4d\u7684\u6307\u4ee4\uff1alvextend -r -l 100%FREE \/dev\/mapper\/<vg>-<lv><\/code>\u3002\u5176\u4e2d -r<\/code> \u53c3\u6578\u6703\u81ea\u52d5\u8abf\u6574\u6a94\u6848\u7cfb\u7d71\u5927\u5c0f\u3002\u5c0d\u65bc ext4\uff0cLVM \u6703\u547c\u53eb resize2fs<\/code>\uff1b\u5c0d\u65bc XFS\uff0c\u5247\u6703\u547c\u53eb xfs_growfs<\/code>\u3002\u9019\u689d\u6307\u4ee4\u6703\u4e00\u6b21\u6027\u4f7f\u7528\u5377\u7d44\u4e2d\u5168\u90e8\u7a7a\u9592 extent\u3002<\/p>\n

    \u5728\u57f7\u884c\u4e4b\u524d\uff0c\u8acb\u5148\u7528 lvs<\/code> \u78ba\u8a8d\u908f\u8f2f\u5377\u8def\u5f91\u3002\u8f38\u51fa\u6703\u5217\u51fa\u6bcf\u500b\u908f\u8f2f\u5377\u3001\u6240\u5c6c\u5377\u7d44\u4ee5\u53ca\u5927\u5c0f\u3002\u5178\u578b\u7d50\u679c\u4e2d\u53ef\u80fd\u6703\u770b\u5230\u50cf\u662f lv_root<\/code> \u70ba 20.00g\u3001lv_home<\/code> \u70ba 10.00g\uff0c\u4e14\u90fd\u5c6c\u65bc\u5377\u7d44 vg_os<\/code>\u3002\u7136\u5f8c\u518d\u7528 df -hTP \/<\/code> \u4ea4\u53c9\u78ba\u8a8d\u6839\u76ee\u9304\u6240\u639b\u8f09\u7684\u88dd\u7f6e\uff0c\u4f8b\u5982 \/dev\/mapper\/vg_os-lv_root<\/code>\u3002\u8acb\u52d9\u5fc5\u5c07\u9019\u500b\u6e96\u78ba\u8def\u5f91\u50b3\u7d66 lvextend<\/code>\u3002\u5982\u679c\u8def\u5f91\u5beb\u932f\uff0c\u53ef\u80fd\u64f4\u5145\u7684\u662f\u932f\u8aa4\u7684\u908f\u8f2f\u5377\uff0c\u800c\u6839\u5206\u5272\u5340\u672c\u8eab\u4ecd\u7136\u6c92\u6709\u8b8a\u5316\u3002<\/p>\n

    \u6b65\u9a5f 6\uff1a<\/strong>\u4f7f\u7528 lvs \u6307\u4ee4\u6aa2\u67e5\u9700\u8981\u64f4\u5145\u7684\u908f\u8f2f\u5377\u540d\u7a31\u3002\u5728\u6211\u7684\u4f8b\u5b50\u4e2d\uff0c\u5b83\u662f lv_root\u3002\u518d\u4f7f\u7528 df -hTP \u6307\u4ee4\u53d6\u5f97 lv_root \u908f\u8f2f\u5377\u7684\u5177\u9ad4\u8def\u5f91\u3002\u5728\u6211\u7684\u4f8b\u5b50\u4e2d\uff0croot \u908f\u8f2f\u5377\u7684\u5177\u9ad4\u8def\u5f91\u662f \/dev\/mapper\/vg_os-lv_root<\/p><\/blockquote>\n

    \u9019\u7a2e\u65b9\u6cd5\u50c5\u9069\u7528\u65bc\u5377\u7d44\u4e2d\u5df2\u7d93\u5b58\u5728\u5269\u9918\u7a7a\u9593\u7684\u60c5\u6cc1\u3002\u8acb\u5148\u6aa2\u67e5 vgs<\/code> \u8f38\u51fa\u4e2d\u7684 VFree \u6b04\u3002\u5982\u679c\u5b83\u70ba\u96f6\uff0c\u5c31\u9700\u8981\u6539\u7528\u4e0b\u4e00\u7a2e\u65b9\u6cd5\u3002<\/p>\n

    \u5411\u5377\u7d44\u4e2d\u65b0\u589e\u4e00\u9846\u78c1\u789f<\/h3>\n

    \u5982\u679c\u5377\u7d44\u4e2d\u5df2\u7d93\u6c92\u6709\u5269\u9918\u7a7a\u9593\uff0c\u90a3\u5c31\u9700\u8981\u639b\u8f09\u4e00\u9846\u65b0\u78c1\u789f\uff0c\u4e26\u5c07\u5176\u52a0\u5165\u73fe\u6709\u5377\u7d44\u3002\u4f60\u9700\u8981\u5148\u5728\u865b\u64ec\u5316\u5e73\u53f0\u4e2d\u9644\u52a0\u8a72\u78c1\u789f\uff0c\u4e26\u91cd\u65b0\u6383\u63cf SCSI \u532f\u6d41\u6392\uff0c\u8b93\u5ba2\u9ad4\u7cfb\u7d71\u8fa8\u8b58\u5b83\u3002\u7136\u5f8c\u4f9d\u4e0b\u5217\u9806\u5e8f\u57f7\u884c\uff1a<\/p>\n

      \n
    1. \u5c07\u65b0\u78c1\u789f\u521d\u59cb\u5316\u70ba\u5be6\u9ad4\u5377\uff1apvcreate \/dev\/sdd<\/code><\/li>\n
    2. \u628a\u5b83\u52a0\u5165\u73fe\u6709\u5377\u7d44\uff1avgextend datavg \/dev\/sdd<\/code><\/li>\n
    3. \u64f4\u5145\u908f\u8f2f\u5377\u4e26\u81ea\u52d5\u8abf\u6574\u6a94\u6848\u7cfb\u7d71\u5927\u5c0f\uff1alvextend -L +50G -r \/dev\/datavg\/datalv<\/code><\/li>\n<\/ol>\n

      \u5982\u679c\u8981\u64f4\u5145\u7684\u662f\u6839\u908f\u8f2f\u5377\uff0c\u8acb\u7528\u76f8\u540c\u65b9\u5f0f\u66ff\u63db\u6210\u6839\u5377\u8def\u5f91\uff0c\u4f8b\u5982\uff1alvextend -L +10G -r \/dev\/rhel\/root<\/code>\u3002\u4f60\u4e5f\u53ef\u4ee5\u4e00\u6b21\u6027\u4f7f\u7528\u6240\u6709\u5269\u9918\u7a7a\u9593\uff1alvextend -l 100%FREE \/dev\/myvg\/root<\/code>\u3002\u9019\u88e1\u7684 -r<\/code> \u53c3\u6578\u540c\u6a23\u6703\u5728\u64f4\u5145\u908f\u8f2f\u5377\u7684\u540c\u6642\u8abf\u6574\u6a94\u6848\u7cfb\u7d71\u5927\u5c0f\uff0c\u56e0\u6b64\u6574\u500b\u64cd\u4f5c\u53ef\u4ee5\u7dda\u4e0a\u5b8c\u6210\uff0c\u7121\u9700\u5378\u8f09\u6a94\u6848\u7cfb\u7d71\u3002<\/p>\n

      \u57f7\u884c lvextend<\/code> \u4e4b\u524d\uff0c\u8acb\u5148\u7528 pvs<\/code> \u8207 vgs<\/code> \u9a57\u8b49\u65b0\u589e\u5be6\u9ad4\u5377\u662f\u5426\u5df2\u6210\u529f\u52a0\u5165\u3002\u6b64\u6642 VFree \u7684\u6578\u503c\u61c9\u53cd\u6620\u51fa\u65b0\u589e\u5bb9\u91cf\u3002\u78ba\u8a8d\u7121\u8aa4\u5f8c\uff0c\u518d\u57f7\u884c lvextend<\/code>\u3002\u9019\u6a23\u7684\u9806\u5e8f\u53ef\u4ee5\u907f\u514d\u5728\u5377\u7d44\u5c1a\u672a\u771f\u6b63\u63a5\u6536\u65b0\u78c1\u789f\u6642\u5c31\u57f7\u884c\u64f4\u5145\uff0c\u5f9e\u800c\u5c0e\u81f4\u5931\u6557\u3002<\/p>\n

      \u53ea\u8981\u6309\u6b65\u9a5f\u64cd\u4f5c\uff0c\u900f\u904e LVM \u5728\u7dda\u64f4\u5145\u6839\u5206\u5272\u5340\u7684\u98a8\u96aa\u901a\u5e38\u5f88\u4f4e\u3002\u78ba\u8a8d\u8def\u5f91\u3001\u78ba\u8a8d\u53ef\u7528\u7a7a\u9593\uff0c\u7136\u5f8c\u8b93 -r<\/code> \u81ea\u52d5\u5b8c\u6210\u5f8c\u7e8c\u6a94\u6848\u7cfb\u7d71\u64f4\u5145\u5373\u53ef\u3002<\/p>\n

      \u5728\u975e LVM \u74b0\u5883\u4e0b\u5728\u7dda\u64f4\u5145\u7cfb\u7d71\u5206\u5272\u5340<\/strong><\/h2>\n

      \u5982\u679c\u4e0d\u662f LVM \u914d\u7f6e\uff0c\u53ef\u7528\u7684\u300c\u5b89\u5168\u7de9\u885d\u300d\u6703\u5c11\u4e00\u4e9b\u3002\u4f60\u5fc5\u9808\u5148\u64f4\u5145\u5206\u5272\u5340\u672c\u8eab\uff0c\u7136\u5f8c\u518d\u53e6\u5916\u64f4\u5145\u6a94\u6848\u7cfb\u7d71\u3002\u9019\u5169\u500b\u6b65\u9a5f\u90fd\u53ef\u4ee5\u5728\u7cfb\u7d71\u4fdd\u6301\u5728\u7dda\u7684\u60c5\u6cc1\u4e0b\u5b8c\u6210\u3002<\/p>\n

      \u4f7f\u7528 growpart \u6216 parted \u64f4\u5145\u5206\u5272\u5340<\/h3>\n

      growpart<\/code> \u5de5\u5177\u662f\u5728\u7dda\u64f4\u5927\u5206\u5272\u5340\u6700\u7c21\u6f54\u7684\u65b9\u6cd5\u3002\u5b83\u6703\u8b80\u53d6\u5206\u5272\u8868\uff0c\u5c0b\u627e\u76ee\u6a19\u5206\u5272\u5340\u4e4b\u5f8c\u7684\u7a7a\u9592\u7a7a\u9593\uff0c\u4e26\u5728\u4e0d\u78b0\u89f8\u65e2\u6709\u8cc7\u6599\u7684\u524d\u63d0\u4e0b\u91cd\u5beb\u5206\u5272\u5340\u9805\u76ee\u3002<\/p>\n

      \u5b83\u7684\u7b2c\u4e00\u500b\u53c3\u6578\u662f\u78c1\u789f\u88dd\u7f6e\uff0c\u7b2c\u4e8c\u500b\u53c3\u6578\u662f\u5206\u5272\u5340\u7de8\u865f\u3002\u8a72\u5de5\u5177\u652f\u63f4\u7dda\u4e0a\u57f7\u884c\uff0c\u56e0\u6b64\u7121\u9700\u5378\u8f09\u6a94\u6848\u7cfb\u7d71\u3002\u5982\u679c\u76ee\u6a19\u5206\u5272\u5340\u4e0d\u662f LVM \u5be6\u9ad4\u5377\uff0c\u5de5\u5177\u53ef\u80fd\u6703\u8f38\u51fa\u985e\u4f3c \/dev\/vde1 is not an lvm pv<\/code> \u7684\u63d0\u793a\u5f8c\u9000\u51fa\u3002\u9019\u500b\u63d0\u793a\u6070\u597d\u8aaa\u660e\u8a72\u5206\u5272\u5340\u662f\u4e00\u500b\u4e00\u822c\u6a94\u6848\u7cfb\u7d71\uff0c\u9019\u6b63\u662f\u672c\u7bc0\u6240\u8a0e\u8ad6\u7684\u60c5\u5883\u3002<\/p>\n

      parted<\/code> \u4e5f\u53ef\u4ee5\u7528\u65bc\u64f4\u5145\u5206\u5272\u5340\u3002\u57f7\u884c parted \/dev\/sdX<\/code>\uff0c\u7136\u5f8c\u4f7f\u7528 resizepart<\/code> \u6307\u4ee4\uff0c\u6307\u5b9a\u5206\u5272\u5340\u7de8\u865f\u8207\u65b0\u7684\u7d50\u675f\u78c1\u5340\u3002\u7121\u8ad6\u4f60\u4f7f\u7528\u54ea\u4e00\u7a2e\u5de5\u5177\uff0c\u5b8c\u6210\u5f8c\u90fd\u8981\u57f7\u884c partprobe<\/code>\uff0c\u8b93\u6838\u5fc3\u91cd\u65b0\u8b80\u53d6\u5206\u5272\u8868\u3002<\/p>\n

      \u4f7f\u7528 fdisk \u522a\u9664\u5f8c\u91cd\u5efa\u5206\u5272\u5340\u9805\u76ee\u7684\u65b9\u6cd5\u540c\u6a23\u53ef\u884c\uff0c\u4f46\u98a8\u96aa\u78ba\u5be6\u66f4\u9ad8\u3002\u4f60\u9700\u8981\u5148\u522a\u9664\u539f\u5206\u5272\u5340\u9805\u76ee\uff0c\u518d\u7528\u76f8\u540c\u7684\u8d77\u59cb\u78c1\u5340\u8207\u66f4\u5927\u7684\u7d50\u675f\u78c1\u5340\u91cd\u65b0\u5efa\u7acb\u3002\u7e7c\u7e8c\u4e4b\u524d\uff0c\u8acb\u52d9\u5fc5\u4e86\u89e3\u4ee5\u4e0b\u98a8\u96aa\uff1a<\/p>\n