LVM扩容

LVM扩容

  1. 分区基本结构
lsblk

NAME         MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sr0           11:0    1 335.6M  0 rom  
vda          252:0    0    63G  0 disk 
├─vda1       252:1    0   500M  0 part /boot
└─vda2       252:2    0  61.5G  0 part 
  ├─xxx-root 253:0    0  57.6G  0 lvm  /
  └─xxx-swap 253:1    0   3.9G  0 lvm  [SWAP]
vdb          252:16   0    20G  0 disk 
└─vdb1       252:17   0    20G  0 part /path/of/mount
  1. parted /dev/vda
 (parted) print #打印分区信息,大概如下:
  Model: Virtio Block Device (virtblk)
  Disk /dev/vda: 67.6GB
  Sector size (logical/physical): 512B/512B
  Partition Table: msdos
  Disk Flags: 
 
  Number  Start   End     Size    Type     File system  标志
  1      1049kB  525MB   524MB   primary  ext4         启动
  2      525MB   66.6GB  66.0GB  primary               lvm
(parted) resizepart 2 #调整想要调整的分区,2对应上面的Number值; 
                        #当出现提示结束点时,比如:结束点?  [64.4GB]? 
                        #此时默认的值是当前分区的大小,要扩大就要输入新的值
                        #该值一般就取print输出的Disk大小 (如:Disk /dev/vda: 67.6GB)
(parted) quit         #退出parted
  1. partprobe

  2. pvresize /dev/vda2

  3. lvresize -l +100%FREE /dev/xxx/root

  4. resize2fs /dev/xxx/root

posted @ 2022-06-10 07:22  main_c  阅读(29)  评论(0编辑  收藏  举报