VM下增加centos6.5磁盘容量
时间:2015-07-30 00:32 来源:linux.it.net.cn 作者:IT
参考博文:http://www.cnblogs.com/sixiweb/p/3360008.html
编辑设置,修改硬盘大小
[root@localhost ~]# fdisk -l #查看磁盘分区情况
Disk /dev/sda: 59.1 GB, 59055800320 bytes #现有的磁盘容量
255 heads, 63 sectors/track, 7179 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x000efc13
Device Boot Start End Blocks Id System #现有磁盘的分配情况
/dev/sda1 * 1 64 512000 83 Linux #主分区
Partition 1 does not end on cylinder boundary.
/dev/sda2 64 1045 7875584 8e Linux LVM #扩展分区
/dev/sda3 1045 6527 44039519+ 8e Linux LVM #扩展分区
Disk /dev/mapper/VolGroup-lv_root: 51.2 GB, 51229229056 bytes
255 heads, 63 sectors/track, 6228 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/mapper/VolGroup-lv_swap: 855 MB, 855638016 bytes
255 heads, 63 sectors/track, 104 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
关闭VMWARE的linux系统,设置原有硬盘容量后开机。
#添加新分区,在原容量基础上加载新容量
[root@localhost ~]# fdisk /dev/sda
WARNING: DOS-compatible mode is deprecated. It's strongly recommended to
switch off the mode (command 'c') and change display units to
sectors (command 'u').
Command (m for help):
输入n,回车。新增一个分区
Command (m for help): n
Command action
e extended
p primary partition (1-4)
输入P,回车 选择主分区
输入4,回车 选择分区4,因为上面查询到sda1,sda2,sda3都已经被使用
输入8e,回车 更改为lvm
输入w,回车 保存设置,然后重启电脑
开机后格式化刚才的新分区
[root@localhost ~]#
#实现扩容
[root@localhost ~]# lvm #进入lvm模式
lvm> pvcreate /dev/sda3 这是初始化刚才的分区,必须的
lvm> vgextend VolGroup /dev/sda3 将初始化过的分区加入到虚拟卷组vg_dc01
lvm>lvextend -L +29.9G /dev/vg_dc01/lv_root 扩展已有卷的容量(29.9G这个数字在后面解释)
lvm>pvdisplay 查看卷容量,这时你会看到一个很大的卷了
lvm>quit 退出
[root@localhost ~]# resize2fs /dev/mapper/VolGroup-lv_root
再输入df -h 查看一下硬盘容量
(责任编辑:IT)
参考博文:http://www.cnblogs.com/sixiweb/p/3360008.html 编辑设置,修改硬盘大小 [root@localhost ~]# fdisk -l #查看磁盘分区情况 Disk /dev/sda: 59.1 GB, 59055800320 bytes #现有的磁盘容量 255 heads, 63 sectors/track, 7179 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000efc13 Device Boot Start End Blocks Id System #现有磁盘的分配情况 /dev/sda1 * 1 64 512000 83 Linux #主分区 Partition 1 does not end on cylinder boundary. /dev/sda2 64 1045 7875584 8e Linux LVM #扩展分区 /dev/sda3 1045 6527 44039519+ 8e Linux LVM #扩展分区 Disk /dev/mapper/VolGroup-lv_root: 51.2 GB, 51229229056 bytes 255 heads, 63 sectors/track, 6228 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Disk /dev/mapper/VolGroup-lv_swap: 855 MB, 855638016 bytes 255 heads, 63 sectors/track, 104 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 关闭VMWARE的linux系统,设置原有硬盘容量后开机。 #添加新分区,在原容量基础上加载新容量 [root@localhost ~]# fdisk /dev/sda WARNING: DOS-compatible mode is deprecated. It's strongly recommended to switch off the mode (command 'c') and change display units to sectors (command 'u'). Command (m for help): 输入n,回车。新增一个分区 Command (m for help): n Command action e extended p primary partition (1-4) 输入P,回车 选择主分区 输入4,回车 选择分区4,因为上面查询到sda1,sda2,sda3都已经被使用 输入8e,回车 更改为lvm 输入w,回车 保存设置,然后重启电脑 开机后格式化刚才的新分区 [root@localhost ~]# #实现扩容 [root@localhost ~]# lvm #进入lvm模式 lvm> pvcreate /dev/sda3 这是初始化刚才的分区,必须的 lvm> vgextend VolGroup /dev/sda3 将初始化过的分区加入到虚拟卷组vg_dc01 lvm>lvextend -L +29.9G /dev/vg_dc01/lv_root 扩展已有卷的容量(29.9G这个数字在后面解释) lvm>pvdisplay 查看卷容量,这时你会看到一个很大的卷了 lvm>quit 退出 [root@localhost ~]# resize2fs /dev/mapper/VolGroup-lv_root 再输入df -h 查看一下硬盘容量 (责任编辑:IT) |