在linux下使用parted建立超过5T以上的lvm分区

十二月 29th, 2009 Posted in Centos | 阅读次数: 816 次

Author:gaojinbo
Time:2009-12-29

在linux下使用parted建立超过5T以上的lvm分区

由于新买的机器磁盘空间都比较大，r510自带了8个1t的硬盘，做了一个raid6+热备，还有5T空间
再外接了一个md1000存储，15个1T的硬盘，也做了个raid6+热备，还有12T

在5T磁盘划分了一个ext3活动分区挂到/,一个swap分区，剩下空间和另外12T的md1000，方便动态调
整分区，就做了一个lvm

 

具体操作步骤：
1.安装系统（略）
分区    /        10G
        swap    5G

 

2.进入系统后使用parted对磁盘分区

5T磁盘
parted /dev/sda

1)查看分区
按p,回车
Disk /dev/sda: 4998GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt

Number  Start   End     Size    File system  Name     Flags
1      17.4kB  10.0GB  10.0GB  ext3                  boot
2      10.0GB  15.0GB  5000MB  linux-swap              
2)新增lvm分区
使用剩下全部空间
mkpart primary xfs 15G -0
set 3 lvm on
p

15T磁盘
1)将磁盘转换为gpt格式
mklabel gpt

2）新增lvm分区
mkpart primary xfs 0 -0
set 1 lvm on
p

 

3.lvm磁盘管理
建好lvm分区后，还需要进行一些操作，建立pv,vg,lv等，操作(略）

 

4.重新安装grub,重要，必须重新安装grub,不然进不了系统
grub-install /dev/sda

 

注：在整个过程中对磁盘进行调整后，遇到重启不能进入系统，可通过以下方法解决
1）检查/etc/fstab文件
2）用光盘引导进入修复模式，重新安装grub

 

完成！

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This entry was posted on 星期二, 十二月 29th, 2009 at 16:18 and is filed under Centos. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

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