{"id":640,"date":"2024-04-15T23:47:37","date_gmt":"2024-04-15T15:47:37","guid":{"rendered":"https:\/\/www.nicekj.com\/?p=640"},"modified":"2024-04-15T23:47:38","modified_gmt":"2024-04-15T15:47:38","slug":"centos7kuoronggenmuludevmappercentosroot","status":"publish","type":"post","link":"https:\/\/www.nicekj.com\/centos7kuoronggenmuludevmappercentosroot.html","title":{"rendered":"centos7\u6269\u5bb9\u6839\u76ee\u5f55\uff08\/dev\/mapper\/centos-root\uff09"},"content":{"rendered":"\n<p>\u4f7f\u7528\u865a\u62df\u673a\u6269\u5c55\u78c1\u76d8\u540e\uff0c\u5728\u7cfb\u7edf\u5185\u8fdb\u884c\u5206\u533a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic4.zhimg.com\/80\/v2-148d2678cb70ba3a0400bb08891cb2af_720w.webp\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u200b\u200b1\u3001\u67e5\u770b\u5206\u533a\u72b6\u51b5<\/p>\n\n\n\n<p>\u6839\u76ee\u5f55\u5728\/dev\/mapper\/centos-root<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u200b&#91;root@git50 ~]# df -h\n\u6587\u4ef6\u7cfb\u7edf                 \u5bb9\u91cf  \u5df2\u7528  \u53ef\u7528 \u5df2\u7528% \u6302\u8f7d\u70b9\n\/dev\/mapper\/centos-root   17G  9.9G  7.2G   59% \/\ndevtmpfs                 1.9G     0  1.9G    0% \/dev\ntmpfs                    1.9G   12K  1.9G    1% \/dev\/shm\ntmpfs                    1.9G   15M  1.9G    1% \/run\ntmpfs                    1.9G     0  1.9G    0% \/sys\/fs\/cgroup\n\/dev\/sda1               1014M  170M  845M   17% \/boot\ntmpfs                    378M  4.0K  378M    1% \/run\/user\/42\ntmpfs                    378M   36K  378M    1% \/run\/user\/0\n&#91;root@git50 ~]# lsblk\nNAME            MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT\nsda               8:0    0  200G  0 disk \n\u251c\u2500sda1            8:1    0    1G  0 part \/boot\n\u2514\u2500sda2            8:2    0   19G  0 part \n  \u251c\u2500centos-root 253:0    0   17G  0 lvm  \/\n  \u2514\u2500centos-swap 253:1    0    2G  0 lvm  &#91;SWAP]\nsr0              11:0    1 1024M  0 rom <\/code><\/pre>\n\n\n\n<p>2\u3001\u65b0\u5efa\u5206\u533a\uff0c\u5e76\u5c06id\u6539\u4e3a8e<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u200b&#91;root@git50 ~]# fdisk \/dev\/sda\n\u6b22\u8fce\u4f7f\u7528 fdisk (util-linux 2.23.2)\u3002\n\n\u66f4\u6539\u5c06\u505c\u7559\u5728\u5185\u5b58\u4e2d\uff0c\u76f4\u5230\u60a8\u51b3\u5b9a\u5c06\u66f4\u6539\u5199\u5165\u78c1\u76d8\u3002\n\u4f7f\u7528\u5199\u5165\u547d\u4ee4\u524d\u8bf7\u4e09\u601d\u3002\n\n\n\u547d\u4ee4(\u8f93\u5165 m \u83b7\u53d6\u5e2e\u52a9)\uff1an\nPartition type:\n   p   primary (2 primary, 0 extended, 2 free)\n   e   extended\nSelect (default p): p\n\u5206\u533a\u53f7 (3,4\uff0c\u9ed8\u8ba4 3)\uff1a\n\u8d77\u59cb \u6247\u533a (41943040-419430399\uff0c\u9ed8\u8ba4\u4e3a 41943040)\uff1a\n\u5c06\u4f7f\u7528\u9ed8\u8ba4\u503c 41943040\nLast \u6247\u533a, +\u6247\u533a or +size{K,M,G} (41943040-419430399\uff0c\u9ed8\u8ba4\u4e3a 419430399)\uff1a\n\u5c06\u4f7f\u7528\u9ed8\u8ba4\u503c 419430399\n\u5206\u533a 3 \u5df2\u8bbe\u7f6e\u4e3a Linux \u7c7b\u578b\uff0c\u5927\u5c0f\u8bbe\u4e3a 180 GiB\n\n\u547d\u4ee4(\u8f93\u5165 m \u83b7\u53d6\u5e2e\u52a9)\uff1ap\n\n\u78c1\u76d8 \/dev\/sda\uff1a214.7 GB, 214748364800 \u5b57\u8282\uff0c419430400 \u4e2a\u6247\u533a\nUnits = \u6247\u533a of 1 * 512 = 512 bytes\n\u6247\u533a\u5927\u5c0f(\u903b\u8f91\/\u7269\u7406)\uff1a512 \u5b57\u8282 \/ 512 \u5b57\u8282\nI\/O \u5927\u5c0f(\u6700\u5c0f\/\u6700\u4f73)\uff1a512 \u5b57\u8282 \/ 512 \u5b57\u8282\n\u78c1\u76d8\u6807\u7b7e\u7c7b\u578b\uff1ados\n\u78c1\u76d8\u6807\u8bc6\u7b26\uff1a0x000b4e82\n\n   \u8bbe\u5907 Boot      Start         End      Blocks   Id  System\n\/dev\/sda1   *        2048     2099199     1048576   83  Linux\n\/dev\/sda2         2099200    41943039    19921920   8e  Linux LVM\n\/dev\/sda3        41943040   419430399   188743680   83  Linux\n\n\u547d\u4ee4(\u8f93\u5165 m \u83b7\u53d6\u5e2e\u52a9)\uff1at\n\u5206\u533a\u53f7 (1-3\uff0c\u9ed8\u8ba4 3)\uff1a\nHex \u4ee3\u7801(\u8f93\u5165 L \u5217\u51fa\u6240\u6709\u4ee3\u7801)\uff1al\n\n 0  \u7a7a              24  NEC DOS         81  Minix \/ \u65e7 Linu bf  Solaris        \n 1  FAT12           27  \u9690\u85cf\u7684 NTFS Win 82  Linux \u4ea4\u6362 \/ So c1  DRDOS\/sec (FAT-\n 2  XENIX root      39  Plan 9          83  Linux           c4  DRDOS\/sec (FAT-\n 3  XENIX usr       3c  PartitionMagic  84  OS\/2 \u9690\u85cf\u7684 C:  c6  DRDOS\/sec (FAT-\n 4  FAT16 &lt;32M      40  Venix 80286     85  Linux \u6269\u5c55      c7  Syrinx         \n 5  \u6269\u5c55            41  PPC PReP Boot   86  NTFS \u5377\u96c6       da  \u975e\u6587\u4ef6\u7cfb\u7edf\u6570\u636e \n 6  FAT16           42  SFS             87  NTFS \u5377\u96c6       db  CP\/M \/ CTOS \/ .\n 7  HPFS\/NTFS\/exFAT 4d  QNX4.x          88  Linux \u7eaf\u6587\u672c    de  Dell \u5de5\u5177      \n 8  AIX             4e  QNX4.x \u7b2c2\u90e8\u5206  8e  Linux LVM       df  BootIt         \n 9  AIX \u53ef\u542f\u52a8      4f  QNX4.x \u7b2c3\u90e8\u5206  93  Amoeba          e1  DOS \u8bbf\u95ee       \n a  OS\/2 \u542f\u52a8\u7ba1\u7406\u5668 50  OnTrack DM      94  Amoeba BBT      e3  DOS R\/O        \n b  W95 FAT32       51  OnTrack DM6 Aux 9f  BSD\/OS          e4  SpeedStor      \n c  W95 FAT32 (LBA) 52  CP\/M            a0  IBM Thinkpad \u4f11 eb  BeOS fs        \n e  W95 FAT16 (LBA) 53  OnTrack DM6 Aux a5  FreeBSD         ee  GPT            \n f  W95 \u6269\u5c55 (LBA)  54  OnTrackDM6      a6  OpenBSD         ef  EFI (FAT-12\/16\/\n10  OPUS            55  EZ-Drive        a7  NeXTSTEP        f0  Linux\/PA-RISC  \n11  \u9690\u85cf\u7684 FAT12    56  Golden Bow      a8  Darwin UFS      f1  SpeedStor      \n12  Compaq \u8bca\u65ad     5c  Priam Edisk     a9  NetBSD          f4  SpeedStor      \n14  \u9690\u85cf\u7684 FAT16 &lt;3 61  SpeedStor       ab  Darwin \u542f\u52a8     f2  DOS \u6b21\u8981       \n16  \u9690\u85cf\u7684 FAT16    63  GNU HURD or Sys af  HFS \/ HFS+      fb  VMware VMFS    \n17  \u9690\u85cf\u7684 HPFS\/NTF 64  Novell Netware  b7  BSDI fs         fc  VMware VMKCORE \n18  AST \u667a\u80fd\u7761\u7720    65  Novell Netware  b8  BSDI swap       fd  Linux raid \u81ea\u52a8\n1b  \u9690\u85cf\u7684 W95 FAT3 70  DiskSecure \u591a\u542f bb  Boot Wizard \u9690  fe  LANstep        \n1c  \u9690\u85cf\u7684 W95 FAT3 75  PC\/IX           be  Solaris \u542f\u52a8    ff  BBT            \n1e  \u9690\u85cf\u7684 W95 FAT1 80  \u65e7 Minix       \nHex \u4ee3\u7801(\u8f93\u5165 L \u5217\u51fa\u6240\u6709\u4ee3\u7801)\uff1a8e\n\u5df2\u5c06\u5206\u533a\u201cLinux\u201d\u7684\u7c7b\u578b\u66f4\u6539\u4e3a\u201cLinux LVM\u201d\n\n\u547d\u4ee4(\u8f93\u5165 m \u83b7\u53d6\u5e2e\u52a9)\uff1aw\nThe partition table has been altered!\n\nCalling ioctl() to re-read partition table.\n\nWARNING: Re-reading the partition table failed with error 16: \u8bbe\u5907\u6216\u8d44\u6e90\u5fd9.\nThe kernel still uses the old table. The new table will be used at\nthe next reboot or after you run partprobe(8) or kpartx(8)\n\u6b63\u5728\u540c\u6b65\u78c1\u76d8\u3002<\/code><\/pre>\n\n\n\n<p>3\u3001\u5237\u65b0\u5e76\u67e5\u770bsda3\u662f\u5426\u5b58\u5728<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u200b&#91;root@git50 ~]# partprobe\n&#91;root@git50 ~]# lsblk\nNAME            MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT\nsda               8:0    0  200G  0 disk \n\u251c\u2500sda1            8:1    0    1G  0 part \/boot\n\u251c\u2500sda2            8:2    0   19G  0 part \n\u2502 \u251c\u2500centos-root 253:0    0   17G  0 lvm  \/\n\u2502 \u2514\u2500centos-swap 253:1    0    2G  0 lvm  &#91;SWAP]\n\u2514\u2500sda3            8:3    0  180G  0 part \nsr0              11:0    1 1024M  0 rom<\/code><\/pre>\n\n\n\n<p>4\u3001\u4f7f\u7528lvm\u547d\u4ee4\u65b0\u5efa\u5377\/dev\/sda3,\u5e76\u5c06\u5176\u52a0\u8f7d\u5230\u5377\u7ec4centos\u4e2d<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u200b&#91;root@git50 ~]# lvm\nlvm&gt; pvcreate \/dev\/sda3\n  Physical volume \"\/dev\/sda3\" successfully created.\nlvm&gt; pvdisplay\n  --- Physical volume ---\n  PV Name               \/dev\/sda2\n  VG Name               centos\n  PV Size               &lt;19.00 GiB \/ not usable 3.00 MiB\n  Allocatable           yes (but full)\n  PE Size               4.00 MiB\n  Total PE              4863\n  Free PE               0\n  Allocated PE          4863\n  PV UUID               mxA5P7-4vL0-0cOO-0PPy-1Uq3-HRdn-DHRmNV\n   \n  \"\/dev\/sda3\" is a new physical volume of \"180.00 GiB\"\n  --- NEW Physical volume ---\n  PV Name               \/dev\/sda3\n  VG Name               \n  PV Size               180.00 GiB\n  Allocatable           NO\n  PE Size               0   \n  Total PE              0\n  Free PE               0\n  Allocated PE          0\n  PV UUID               wor8da-PkXI-ghCq-U8sE-vkfq-ZhJo-di78al\n   \nlvm&gt; vgdisplay\n  --- Volume group ---\n  VG Name               centos\n  System ID             \n  Format                lvm2\n  Metadata Areas        1\n  Metadata Sequence No  3\n  VG Access             read\/write\n  VG Status             resizable\n  MAX LV                0\n  Cur LV                2\n  Open LV               2\n  Max PV                0\n  Cur PV                1\n  Act PV                1\n  VG Size               &lt;19.00 GiB\n  PE Size               4.00 MiB\n  Total PE              4863\n  Alloc PE \/ Size       4863 \/ &lt;19.00 GiB\n  Free  PE \/ Size       0 \/ 0   \n  VG UUID               cDss9h-G3Tk-zTb1-4vsa-lKcs-DX8B-8fDpmv\n   \nlvm&gt; vgextend centos \/dev\/sda3\n  Volume group \"centos\" successfully extended\nlvm&gt; vgdisplay\n  --- Volume group ---\n  VG Name               centos\n  System ID             \n  Format                lvm2\n  Metadata Areas        2\n  Metadata Sequence No  4\n  VG Access             read\/write\n  VG Status             resizable\n  MAX LV                0\n  Cur LV                2\n  Open LV               2\n  Max PV                0\n  Cur PV                2\n  Act PV                2\n  VG Size               198.99 GiB\n  PE Size               4.00 MiB\n  Total PE              50942\n  Alloc PE \/ Size       4863 \/ &lt;19.00 GiB\n  Free  PE \/ Size       46079 \/ &lt;180.00 GiB\n  VG UUID               cDss9h-G3Tk-zTb1-4vsa-lKcs-DX8B-8fDpmv\n   \nlvm&gt; lvextend -l +100%FREE \/dev\/centos\/root\n  Size of logical volume centos\/root changed from &lt;17.00 GiB (4351 extents) to 196.99 GiB (50430 extents).\n  Logical volume centos\/root successfully resized.\nlvm&gt; exit<\/code><\/pre>\n\n\n\n<p>\uff08\u8fd9\u91cc\u7684\/dev\/centos\/root\u4e0d\u80fd\u968f\u4fbf\u6539\u6210centos-root\u3002LVM\u903b\u8f91\u5377\u7ba1\u7406\uff0c\u6839\u6587\u4ef6\u7cfb\u7edf\u5efa\u7acb\u5728\u5377\u7ec4\uff08VG\uff09centos\u4e0a\u7684\u903b\u8f91\u5377\uff08LV\uff09\u4e0a\uff0c\u903b\u8f91\u5377\u540d\u662froot\u800c\u4e0d\u662f\u76f4\u63a5\u5efa\u5728\u786c\u76d8\u5206\u533a\u4e0a\uff09<\/p>\n\n\n\n<p>5\u3001\u4e4b\u524d\u53ea\u662f\u5bf9\u903b\u8f91\u5377\u6269\u5bb9\uff0c\u8fd8\u8981\u540c\u6b65\u5230\u6587\u4ef6\u7cfb\u7edf\uff0c\u5b9e\u73b0\u5bf9\u6839\u76ee\u5f55\u7684\u6269\u5bb9<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u200b&#91;root@git50 ~]# xfs_growfs \/dev\/centos\/root\nmeta-data=\/dev\/mapper\/centos-root isize=512    agcount=4, agsize=1113856 blks\n         =                       sectsz=512   attr=2, projid32bit=1\n         =                       crc=1        finobt=0 spinodes=0\ndata     =                       bsize=4096   blocks=4455424, imaxpct=25\n         =                       sunit=0      swidth=0 blks\nnaming   =version 2              bsize=4096   ascii-ci=0 ftype=1\nlog      =internal               bsize=4096   blocks=2560, version=2\n         =                       sectsz=512   sunit=0 blks, lazy-count=1\nrealtime =none                   extsz=4096   blocks=0, rtextents=0\ndata blocks changed from 4455424 to 51640320\n&#91;root@git50 ~]# df -h\n\u6587\u4ef6\u7cfb\u7edf                 \u5bb9\u91cf  \u5df2\u7528  \u53ef\u7528 \u5df2\u7528% \u6302\u8f7d\u70b9\n\/dev\/mapper\/centos-root  197G  9.9G  188G    6% \/\ndevtmpfs                 1.9G     0  1.9G    0% \/dev\ntmpfs                    1.9G   12K  1.9G    1% \/dev\/shm\ntmpfs                    1.9G   15M  1.9G    1% \/run\ntmpfs                    1.9G     0  1.9G    0% \/sys\/fs\/cgroup\n\/dev\/sda1               1014M  170M  845M   17% \/boot\ntmpfs                    378M  4.0K  378M    1% \/run\/user\/42\ntmpfs                    378M   40K  378M    1% \/run\/user\/0<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528\u865a\u62df\u673a\u6269\u5c55\u78c1\u76d8\u540e\uff0c\u5728\u7cfb\u7edf\u5185\u8fdb\u884c\u5206\u533a \u200b\u200b1\u3001\u67e5\u770b\u5206\u533a\u72b6\u51b5 \u6839\u76ee\u5f55\u5728\/dev\/mapper\/centos-root 2\u3001\u65b0\u5efa\u5206\u533a\uff0c\u5e76\u5c06id\u6539\u4e3a8e 3\u3001\u5237\u65b0\u5e76\u67e5\u770bsda3\u662f\u5426\u5b58\u5728 4\u3001\u4f7f\u7528lvm\u547d\u4ee4\u65b0\u5efa\u5377\/dev\/sda3,\u5e76\u5c06\u5176\u52a0\u8f7d\u5230\u5377\u7ec4centos\u4e2d \uff08\u8fd9\u91cc\u7684\/dev\/centos\/root\u4e0d\u80fd\u968f\u4fbf\u6539\u6210centos-root\u3002LVM\u903b\u8f91\u5377\u7ba1\u7406\uff0c\u6839\u6587\u4ef6\u7cfb\u7edf\u5efa\u7acb\u5728\u5377\u7ec4\uff08VG\uff09centos\u4e0a\u7684\u903b\u8f91\u5377\uff08LV\uff09\u4e0a\uff0c\u903b\u8f91\u5377\u540d\u662froot\u800c\u4e0d\u662f\u76f4\u63a5\u5efa\u5728\u786c\u76d8\u5206\u533a\u4e0a\uff09 5\u3001\u4e4b\u524d\u53ea\u662f\u5bf9\u903b\u8f91\u5377\u6269\u5bb9\uff0c\u8fd8\u8981\u540c\u6b65\u5230\u6587\u4ef6\u7cfb\u7edf\uff0c\u5b9e\u73b0\u5bf9\u6839\u76ee\u5f55\u7684<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"rank_math_title":"","rank_math_description":"","rank_math_focus_keyword":"","views":"16","footnotes":""},"categories":[39],"tags":[],"collection":[],"class_list":["post-640","post","type-post","status-publish","format-standard","hentry","category-jishufenxiang"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/posts\/640","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/comments?post=640"}],"version-history":[{"count":0,"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/posts\/640\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/media?parent=640"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/categories?post=640"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/tags?post=640"},{"taxonomy":"collection","embeddable":true,"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/collection?post=640"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}