lvm分区扩容
程序员文章站
2024-03-09 09:56:11
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扩容前：
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
loop0 7:0 0 55.4M 1 loop /snap/core18/1944
loop1 7:1 0 69.9M 1 loop /snap/lxd/19188
loop2 7:2 0 31.1M 1 loop /snap/snapd/10707
sda 8:0 0 447.1G 0 disk
├─sda1 8:1 0 512M 0 part /boot/efi
├─sda2 8:2 0 1G 0 part /boot
└─sda3 8:3 0 445.6G 0 part
└─ubuntu--vg-ubuntu--lv 253:0 0 245.6G 0 lvm /
sdb 8:16 0 223.6G 0 disk
├─sdb1 8:17 0 222.8G 0 part
└─sdb2 8:18 0 799M 0 part
sdc 8:32 0 1.8T 0 disk
├─sdc1 8:33 0 128M 0 part
└─sdc2 8:34 0 1.8T 0 part
扩容命令：
lvextend -l 100%FREE /dev/mapper/ubuntu--vg-ubuntu--lv
扩容后：
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
loop0 7:0 0 55.4M 1 loop /snap/core18/1944
loop1 7:1 0 69.9M 1 loop /snap/lxd/19188
loop2 7:2 0 31.1M 1 loop /snap/snapd/10707
sda 8:0 0 447.1G 0 disk
├─sda1 8:1 0 512M 0 part /boot/efi
├─sda2 8:2 0 1G 0 part /boot
└─sda3 8:3 0 445.6G 0 part
└─ubuntu--vg-ubuntu--lv 253:0 0 445.6G 0 lvm /
sdb 8:16 0 223.6G 0 disk
├─sdb1 8:17 0 222.8G 0 part
└─sdb2 8:18 0 799M 0 part
sdc 8:32 0 1.8T 0 disk
├─sdc1 8:33 0 128M 0 part
└─sdc2 8:34 0 1.8T 0 part
之后扩展文件系统就可以了：
resize2fs /dev/mapper/ubuntu--vg-ubuntu--lv