CentOS增加分区空间
CentOS增加home的分区空间给/根目录
1.umout home目录
2.删除/home所在的lv逻辑卷
/dev/mapper/centos-home具体名称查看自己虚拟机
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| lvremove /dev/mapper/centos-home
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3.扩展/root所在的lv,增加700G
/dev/mapper/centos-root具体名称查看自己虚拟机
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| lvextend -L +700G /dev/mapper/centos-root
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4.扩展/root文件系统
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| xfs_info /dev/mapper/centos-root
xfs_growfs /dev/mapper/centos-root
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5.重新创建home lv
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| lvcreate -L 150G -n home centos
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6.创建文件系统
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| mkfs.xfs /dev/mapper/centos-home
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7.挂载
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| mount /dev/mapper/centos-home /home
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8.查看
CentOS增加新硬盘给/根目录
1.建立新分区
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fdisk /dev/sdb
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2.将硬盘写入系统
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mkfs.xfs /dev/sdb1
mkfs.ext4 /dev/sdb1
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3.创建物理卷pv
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| pvdisplay
pvcreate /dev/sdb1
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4.扩容卷组vg
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| vgdisplay
vgextend centos /dev/sdb1
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5.逻辑卷扩容 LV
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| lvdisplay
lvextend -l +100%FREE /dev/centos/root
lvcreate -L 150G -n home centos
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6.扩容文件系统
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| xfs_growfs /dev/centos/root
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7.查看