{"id":19482,"date":"2017-03-28T06:47:36","date_gmt":"2017-03-27T22:47:36","guid":{"rendered":"https:\/\/2blog.ilc.edu.tw\/25793\/2017\/03\/28\/lvm\/"},"modified":"2017-03-28T06:47:36","modified_gmt":"2017-03-27T22:47:36","slug":"lvm","status":"publish","type":"post","link":"https:\/\/2blog.ilc.edu.tw\/25793\/2017\/03\/28\/lvm\/","title":{"rendered":"LVM"},"content":{"rendered":"<p># <span style=\"color: #ff0000;\">fdisk \/dev\/sda<\/span><br \/><span style=\"color: #0000ff;\">Disk \/dev\/sda: 60.0 GB, 60011642880 bytes<\/span><br \/><span style=\"color: #0000ff;\">255 \u78c1\u982d\uff0c63 \u78c1\u5340\/\u78c1\u8ecc\uff0c7296 \u78c1\u67f1\uff0c\u7e3d\u8a08 117210240 \u78c1\u5340<\/span><br \/><span style=\"color: #0000ff;\">\u55ae\u4f4d = \u78c1\u5340 \u4e4b\u65bc 1 * 512 = 512 \u4f4d\u5143\u7d44<\/span><br \/><span style=\"color: #0000ff;\">\u78c1\u5340\u5927\u5c0f (\u908f\u8f2f\/\u5be6\u9ad4)\uff1a512 \u4f4d\u5143\u7d44 \/ 512 \u4f4d\u5143\u7d44<\/span><br \/><span style=\"color: #0000ff;\">I\/O \u5927\u5c0f (\u6700\u5c0f\/\u6700\u4f73\u5316)\uff1a512 \u4f4d\u5143\u7d44 \/ 512 \u4f4d\u5143\u7d44<\/span><br \/><span style=\"color: #0000ff;\">\u78c1\u789f\u8b58\u5225\u78bc\uff1a0x0004176a<\/span><\/p>\n<p><span style=\"color: #0000ff;\">\u6240\u7528\u88dd\u7f6e \u958b\u6a5f\u00a0\u00a0\u00a0\u00a0\u00a0 \u958b\u59cb\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u7d50\u675f\u00a0\u00a0\u00a0\u00a0\u00a0 \u5340\u584a\u00a0\u00a0 \u8b58\u5225\u865f\u00a0 \u7cfb\u7d71<\/span><br \/><span style=\"color: #0000ff;\">\/dev\/sda1\u00a0\u00a0 *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2048\u00a0\u00a0\u00a0\u00a0\u00a0 208895\u00a0\u00a0\u00a0\u00a0\u00a0 103424\u00a0\u00a0 83\u00a0 Linux<\/span><br \/><span style=\"color: #0000ff;\">\/dev\/sda2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 208896\u00a0\u00a0\u00a0\u00a0 2314239\u00a0\u00a0\u00a0\u00a0 1052672\u00a0\u00a0 82\u00a0 Linux \u4ea4\u63db\u5340\/ Solaris<\/span><br \/><span style=\"color: #0000ff;\">\/dev\/sda3\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2314240\u00a0\u00a0\u00a0 87859199\u00a0\u00a0\u00a0 42772480\u00a0\u00a0 83\u00a0 Linux<\/span><br \/><span style=\"color: #0000ff;\">\/dev\/sda4\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 87859200\u00a0\u00a0 117209087\u00a0\u00a0\u00a0 14674944\u00a0\u00a0\u00a0 f\u00a0 W95 Ext&#8217;d (LBA)<\/span><\/p>\n<p><span style=\"color: #0000ff;\">\u547d\u4ee4 (m \u4ee5\u7372\u5f97\u8aaa\u660e)\uff1a<span style=\"color: #ff0000;\">n<\/span><\/span><br \/><span style=\"color: #0000ff;\">\u8d77\u521d \u78c1\u5340 (87861248-117209087, \u9810\u8a2d 87861248)\uff1a<\/span><br \/><span style=\"color: #0000ff;\">\u4f7f\u7528\u9810\u8a2d\u503c 87861248<\/span><br \/><span style=\"color: #0000ff;\">\u6700\u5f8c \u78c1\u5340, +\u78c1\u5340 \u6216 +\u5927\u5c0f{K,M,G} (87861248-117209087, \u9810\u8a2d 117209087)\uff1a<span style=\"color: #ff0000;\">+1G<\/span><\/span><\/p>\n<p><span style=\"color: #0000ff;\">\u547d\u4ee4 (m \u4ee5\u7372\u5f97\u8aaa\u660e)\uff1a<span style=\"color: #ff0000;\">p<\/span><\/span><\/p>\n<p><span style=\"color: #0000ff;\">Disk \/dev\/sda: 60.0 GB, 60011642880 bytes<\/span><br \/><span style=\"color: #0000ff;\">255 \u78c1\u982d\uff0c63 \u78c1\u5340\/\u78c1\u8ecc\uff0c7296 \u78c1\u67f1\uff0c\u7e3d\u8a08 117210240 \u78c1\u5340<\/span><br \/><span style=\"color: #0000ff;\">\u55ae\u4f4d = \u78c1\u5340 \u4e4b\u65bc 1 * 512 = 512 \u4f4d\u5143\u7d44<\/span><br \/><span style=\"color: #0000ff;\">\u78c1\u5340\u5927\u5c0f (\u908f\u8f2f\/\u5be6\u9ad4)\uff1a512 \u4f4d\u5143\u7d44 \/ 512 \u4f4d\u5143\u7d44<\/span><br \/><span style=\"color: #0000ff;\">I\/O \u5927\u5c0f (\u6700\u5c0f\/\u6700\u4f73\u5316)\uff1a512 \u4f4d\u5143\u7d44 \/ 512 \u4f4d\u5143\u7d44<\/span><br \/><span style=\"color: #0000ff;\">\u78c1\u789f\u8b58\u5225\u78bc\uff1a0x0004176a<\/span><\/p>\n<p><span style=\"color: #0000ff;\">\u6240\u7528\u88dd\u7f6e \u958b\u6a5f\u00a0\u00a0\u00a0\u00a0\u00a0 \u958b\u59cb\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u7d50\u675f\u00a0\u00a0\u00a0\u00a0\u00a0 \u5340\u584a\u00a0\u00a0 \u8b58\u5225\u865f\u00a0 \u7cfb\u7d71<\/span><br \/><span style=\"color: #0000ff;\">\/dev\/sda1\u00a0\u00a0 *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2048\u00a0\u00a0\u00a0\u00a0\u00a0 208895\u00a0\u00a0\u00a0\u00a0\u00a0 103424\u00a0\u00a0 83\u00a0 Linux<\/span><br \/><span style=\"color: #0000ff;\">\/dev\/sda2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 208896\u00a0\u00a0\u00a0\u00a0 2314239\u00a0\u00a0\u00a0\u00a0 1052672\u00a0\u00a0 82\u00a0 Linux \u4ea4\u63db\u5340\/ Solaris<\/span><br \/><span style=\"color: #0000ff;\">\/dev\/sda3\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2314240\u00a0\u00a0\u00a0 87859199\u00a0\u00a0\u00a0 42772480\u00a0\u00a0 83\u00a0 Linux<\/span><br \/><span style=\"color: #0000ff;\">\/dev\/sda4\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 87859200\u00a0\u00a0 117209087\u00a0\u00a0\u00a0 14674944\u00a0\u00a0\u00a0 f\u00a0 W95 Ext&#8217;d (LBA)<\/span><br \/><span style=\"color: #0000ff;\">\/dev\/sda5\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 87861248\u00a0\u00a0\u00a0 89958399\u00a0\u00a0\u00a0\u00a0 1048576\u00a0\u00a0 83\u00a0 Linux<\/span><br \/><span style=\"color: #0000ff;\">\u547d\u4ee4 (m \u4ee5\u7372\u5f97\u8aaa\u660e)\uff1a<span style=\"color: #ff0000;\">t<\/span><\/span><br \/><span style=\"color: #0000ff;\">\u5206\u5272\u5340\u7de8\u865f (1-5): <span style=\"color: #ff0000;\">5<\/span><\/span><br \/><span style=\"color: #0000ff;\">\u5341\u516d\u9032\u4f4d\u7de8\u78bc (\u8f38\u5165 L \u4ee5\u5217\u51fa\u7de8\u78bc)\uff1a<span style=\"color: #ff0000;\">8e<\/span><\/span><br \/><span style=\"color: #0000ff;\">\u5206\u5272\u5340 5 \u7684\u7cfb\u7d71\u985e\u578b\u5df2\u8b8a\u66f4\u70ba 8e (Linux LVM)<\/span><\/p>\n<p><span style=\"color: #0000ff;\">\u547d\u4ee4 (m \u4ee5\u7372\u5f97\u8aaa\u660e)\uff1a<span style=\"color: #ff0000;\">wq<\/span><\/span><br \/><span style=\"color: #0000ff;\">\u5206\u5272\u8868\u5df2\u8b8a\u66f4\uff01<\/span><\/p>\n<p><span style=\"color: #0000ff;\">\u547c\u53eb ioctl() \u4ee5\u91cd\u65b0\u8b80\u53d6\u5206\u5272\u8868\u3002<\/span><\/p>\n<p><span style=\"color: #0000ff;\">\u8b66\u544a\uff1a\u91cd\u65b0\u8b80\u53d6\u5206\u5272\u8868\u5931\u6557\u4e26\u7522\u751f\u932f\u8aa4 16: \u88dd\u7f6e\u6216\u7cfb\u7d71\u8cc7\u6e90\u5fd9\u788c\u4e2d\u3002<\/span><br \/><span style=\"color: #0000ff;\">\u5167\u6838\u4ecd\u7136\u4f7f\u7528\u820a\u7684\u8868\u683c\u3002\u65b0\u7684\u8868\u683c\u5c07\u65bc\u4e0b\u4e00\u6b21<\/span><br \/><span style=\"color: #0000ff;\">\u91cd\u65b0\u958b\u6a5f\u6642\u4f7f\u7528\uff0c\u6216\u662f\u60a8\u57f7\u884c partprobe(8) \u6216 kpartx(8) \u4e4b\u5f8c\u3002<\/span><br \/><span style=\"color: #0000ff;\">\u540c\u6b65\u78c1\u789f\u3002[@more@]<\/span><br \/># <span style=\"color: #ff0000;\">fdisk -l<\/span><br \/><span style=\"color: #0000ff;\">Disk \/dev\/sda: 60.0 GB, 60011642880 bytes<\/span><br \/><span style=\"color: #0000ff;\">255 \u78c1\u982d\uff0c63 \u78c1\u5340\/\u78c1\u8ecc\uff0c7296 \u78c1\u67f1\uff0c\u7e3d\u8a08 117210240 \u78c1\u5340<\/span><br \/><span style=\"color: #0000ff;\">\u55ae\u4f4d = \u78c1\u5340 \u4e4b\u65bc 1 * 512 = 512 \u4f4d\u5143\u7d44<\/span><br \/><span style=\"color: #0000ff;\">\u78c1\u5340\u5927\u5c0f (\u908f\u8f2f\/\u5be6\u9ad4)\uff1a512 \u4f4d\u5143\u7d44 \/ 512 \u4f4d\u5143\u7d44<\/span><br \/><span style=\"color: #0000ff;\">I\/O \u5927\u5c0f (\u6700\u5c0f\/\u6700\u4f73\u5316)\uff1a512 \u4f4d\u5143\u7d44 \/ 512 \u4f4d\u5143\u7d44<\/span><br \/><span style=\"color: #0000ff;\">\u78c1\u789f\u8b58\u5225\u78bc\uff1a0x0004176a<\/span><\/p>\n<p><span style=\"color: #0000ff;\">\u6240\u7528\u88dd\u7f6e \u958b\u6a5f\u00a0\u00a0\u00a0\u00a0\u00a0 \u958b\u59cb\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u7d50\u675f\u00a0\u00a0\u00a0\u00a0\u00a0 \u5340\u584a\u00a0\u00a0 \u8b58\u5225\u865f\u00a0 \u7cfb\u7d71<\/span><br \/><span style=\"color: #0000ff;\">\/dev\/sda1\u00a0\u00a0 *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2048\u00a0\u00a0\u00a0\u00a0\u00a0 208895\u00a0\u00a0\u00a0\u00a0\u00a0 103424\u00a0\u00a0 83\u00a0 Linux<\/span><br \/><span style=\"color: #0000ff;\">\/dev\/sda2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 208896\u00a0\u00a0\u00a0\u00a0 2314239\u00a0\u00a0\u00a0\u00a0 1052672\u00a0\u00a0 82\u00a0 Linux \u4ea4\u63db\u5340\/ Solaris<\/span><br \/><span style=\"color: #0000ff;\">\/dev\/sda3\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2314240\u00a0\u00a0\u00a0 87859199\u00a0\u00a0\u00a0 42772480\u00a0\u00a0 83\u00a0 Linux<\/span><br \/><span style=\"color: #0000ff;\">\/dev\/sda4\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 87859200\u00a0\u00a0 117209087\u00a0\u00a0\u00a0 14674944\u00a0\u00a0\u00a0 f\u00a0 W95 Ext&#8217;d (LBA)<\/span><br \/><span style=\"color: #0000ff;\">\/dev\/sda5\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 87861248\u00a0\u00a0\u00a0 89958399\u00a0\u00a0\u00a0\u00a0 1048576\u00a0\u00a0 8e\u00a0 Linux LVM<\/span><br \/><span style=\"color: #0000ff;\">\/dev\/sda6\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 89960448\u00a0\u00a0\u00a0 92057599\u00a0\u00a0\u00a0\u00a0 1048576\u00a0\u00a0 8e\u00a0 Linux LVM<\/span><br \/><span style=\"color: #0000ff;\">\/dev\/sda7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 92059648\u00a0\u00a0\u00a0 94156799\u00a0\u00a0\u00a0\u00a0 1048576\u00a0\u00a0 8e\u00a0 Linux LVM<\/span><\/p>\n<p>\u5c07\u78c1\u789f\u5206\u5272\u5340\u8f49\u63db\u6210\u5be6\u9ad4\u5377\u518a\u88dd\u7f6e(Physical Volume)<br \/># <span style=\"color: #ff0000;\">pvcreate \/dev\/sda5 \/dev\/sda6 \/dev\/sda7<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 Physical volume &#8220;\/dev\/sda5&#8221; successfully created<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 Physical volume &#8220;\/dev\/sda6&#8221; successfully created<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 Physical volume &#8220;\/dev\/sda7&#8221; successfully created<\/span><\/p>\n<p>\u6383\u63cf\u76ee\u524d\u5be6\u9ad4\u5377\u518a\u7684\u72c0\u614b<br \/># <span style=\"color: #ff0000;\">pvscan<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 PV \/dev\/sda5\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 lvm2 [1.00 GiB]<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 PV \/dev\/sda6\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 lvm2 [1.00 GiB]<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 PV \/dev\/sda7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 lvm2 [1.00 GiB]<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 Total: 3 [3.01 GiB] \/ in use: 0 [0\u00a0\u00a0 ] \/ in no VG: 3 [3.01 GiB]<\/span><\/p>\n<p>\u5c07\u5be6\u9ad4\u5377\u518a\u88dd\u7f6e\u7d44\u5408\u6210\u5377\u518a\u7fa4\u7d44(Volume Group)<br \/> # <span style=\"color: #ff0000;\">vgcreate systemVG \/dev\/sda5 \/dev\/sda6<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 Volume group &#8220;systemVG&#8221; successfully created<\/span><\/p>\n<p># <span style=\"color: #ff0000;\">vgscan<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 Reading all physical volumes.\u00a0 This may take a while&#8230;<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 Found volume group &#8220;systemVG&#8221; using metadata type lvm2<\/span><\/p>\n<p>\u986f\u793a\u66f4\u5b8c\u6574\u7684\u908f\u8f2f\u5377\u518a\u7d44\u6210\u8cc7\u8a0a<br \/># <span style=\"color: #ff0000;\">vgdisplay systemVG<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 &#8212; Volume group &#8212;<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 VG Name\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 systemVG<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 System ID\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><br \/><span style=\"color: #0000ff;\">\u00a0 Format\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 lvm2<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 Metadata Areas\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 Metadata Sequence No\u00a0 1<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 VG Access\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 read\/write<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 VG Status\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 resizable<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 MAX LV\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 Cur LV\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 Open LV\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 Max PV\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 Cur PV\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 Act PV\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 VG Size\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2.00 GiB<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 PE Size\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4.00 MiB<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 Total PE\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 512<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 Alloc PE \/ Size\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0 \/ 0\u00a0\u00a0 <\/span><br \/><span style=\"color: #0000ff;\">\u00a0 Free\u00a0 PE \/ Size\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 512 \/ 2.00 GiB<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 VG UUID\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Ck34kQ-uRCu-7Sy5-Xuz3-707j-9do0-wfx6rq<\/span><\/p>\n<p>\u5efa\u7acb\u908f\u8f2f\u5377\u518a\u88dd\u7f6e(Logical Volume)<br \/><span style=\"color: #0000ff;\">-L \u6307\u5b9a\u908f\u8f2f\u5377\u518a\u88dd\u7f6e\u7684\u5bb9\u91cf\u5927\u5c0f<\/span><br \/><span style=\"color: #0000ff;\">-n \u6307\u5b9a\u540d\u7a31<\/span><br \/># <span style=\"color: #ff0000;\">lvcreate -L 500M -n www_LV systemVG<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 Logical volume &#8220;www_LV&#8221; created<\/span><\/p>\n<p>\u986f\u793a\u908f\u8f2f\u5377\u518a\u88dd\u7f6e\u76f8\u95dc\u8cc7\u8a0a<br \/># <span style=\"color: #ff0000;\">lvdisplay \/dev\/systemVG\/www_LV<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 &#8212; Logical volume &#8212;<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 LV Name\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/dev\/systemVG\/www_LV<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 VG Name\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 systemVG<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 LV UUID\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 YMPbbQ-W3Hs-nFX1-GmUh-QsTE-0AT9-MsUgS4<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 LV Write Access\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 read\/write<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 LV Status\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 available<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 # open\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 LV Size\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 500.00 MiB<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 Current LE\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 125<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 Segments\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 Allocation\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 inherit<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 Read ahead sectors\u00a0\u00a0\u00a0\u00a0 auto<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 &#8211; currently set to\u00a0\u00a0\u00a0\u00a0 1024<\/span><br \/><span style=\"color: #0000ff;\">\u00a0 Block device\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 253:0<\/span><\/p>\n<p>\u683c\u5f0f\u5316<br \/># <span style=\"color: #ff0000;\">mkfs.reiserfs \/dev\/systemVG\/www_LV<\/span><br \/># <span style=\"color: #ff0000;\">mkdir \/var\/www<\/span><br \/># <span style=\"color: #ff0000;\">mount -t reiserfs \/dev\/systemVG\/www_LV \/var\/www<\/span><br \/># <span style=\"color: #ff0000;\">mount | grep www_LV<\/span><br \/><span style=\"color: #0000ff;\">\/dev\/mapper\/systemVG-www_LV on \/var\/www type reiserfs (rw)<\/span><br \/>\u4fee\u6539 \/etc\/fstab \u7d44\u614b\u6a94<br \/># <span style=\"color: #ff0000;\">vim \/etc\/fstab<\/span><br \/><span style=\"color: #0000ff;\">\/dev\/systemVG\/www_LV \/var\/www\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 reiserfs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 acl,user_xattr\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0 0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p># fdisk \/dev\/sdaDisk \/dev\/sda: 60.0 GB, 60011642880 byt &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/2blog.ilc.edu.tw\/25793\/2017\/03\/28\/lvm\/\" class=\"more-link\">\u95b1\u8b80\u5168\u6587<span class=\"screen-reader-text\">\u3008LVM\u3009<\/span><\/a><\/p>\n","protected":false},"author":55,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[192],"tags":[],"class_list":["post-19482","post","type-post","status-publish","format-standard","hentry","category-c-105011"],"meta_key":{"_pingme":["1"],"_encloseme":["1"],"lt_post_id":["685433"]},"_links":{"self":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts\/19482"}],"collection":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/users\/55"}],"replies":[{"embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/comments?post=19482"}],"version-history":[{"count":0,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts\/19482\/revisions"}],"wp:attachment":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/media?parent=19482"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/categories?post=19482"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/tags?post=19482"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}