新磁盘如何做LVM
副标题[/!--empirenews.page--] 一个新的磁盘,如何去做LVM? 一、格式化磁盘 [root@localhost ~]# fdisk -l #查看当前的设备有哪些 Disk /dev/sda: 21.4 GB, 21474836480 bytes 255 heads, 63 sectors/track, 2610 cylinders ……此处省略部分输出内容…… /dev/sda3 153 2610 19743885 83 Linux Disk /dev/sdb: 42.9 GB, 42949672960 bytes ……此处省略部分输出内容…… Disk /dev/sdb doesn't contain a valid partition table ……此处省略部分输出内容…… Disk /dev/sdc doesn't contain a valid partition table 从格式化磁盘开始 [root@localhost ~]# fdisk /dev/sdb ##对第二块磁盘进行分区 Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel 此处省………………略若干字 2) booting and partitioning software from other OSs (e.g., DOS FDISK, OS/2 FDISK) Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite) Command (m for help): n ##n表示new,建立新的分区 p primary partition (1-4) p ###代表主分区 Partition number (1-4): 1 ##主分区号 First cylinder (1-5221, default 1): 1##磁盘分区起始点 Last cylinder or +size or +sizeM or +sizeK (1-5221, default 5221): +10000M ##指定第一个分区大小为10G Command (m for help): n #继续新建分区 Command action e extended p primary partition (1-4) p ##依旧是主分区 Partition number (1-4): 2 ##编号为2 First cylinder (1218-5221, default 1218): Using default value 1218 ##起始点直接回车表示默认 Last cylinder or +size or +sizeM or +sizeK (1218-5221, default 5221): +20000M ###指定大小为20G Command (m for help): n ##新建分区 Command action e extended p primary partition (1-4) p ##选择主分区 Partition number (1-4): 3 ##主分区编号为3 First cylinder (3651-5221, default 3651): Using default value 3651 ###直接回车默认 Last cylinder or +size or +sizeM or +sizeK (3651-5221, default 5221): Using default value 5221 ####回车默认 Command (m for help): t ###使用t表示转换分区类型 Partition number (1-4): 1 ###输入分区号 Hex code (type L to list codes): 8e ###输入分区类型代码 Changed system type of partition 1 to 8e (Linux LVM) Command (m for help): t Partition number (1-4): 2 Hex code (type L to list codes): 8e Changed system type of partition 2 to 8e (Linux LVM) Command (m for help): t Partition number (1-4): 3 Hex code (type L to list codes): 8e Changed system type of partition 3 to 8e (Linux LVM) Command (m for help): p ###列出所有分区 Disk /dev/sdb: 42.9 GB, 42949672960 bytes …… Device Boot Start End Blocks Id System /dev/sdb1 1 1217 9775521 8e Linux LVM /dev/sdb2 1218 2434 9775552+ 8e Linux LVM /dev/sdb3 2435 5221 22386577+ 8e Linux LVM …………此处省略部分输出内容…… Command (m for help): w ###保存退出 The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks. [root@localhost ~]# partprobe /dev/sdb /dev/sdc (编辑:佛山站长网) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |