阿里云扩容操作步骤

在快照中备份服务器快照，时间为1天
进入块存储模块进行扩容

付款完成后进入账单进行查询，确认成功后找售后确认挂载盘情况

[root@atcoin ~]# df -h
Filesystem      Size  Used Avail Use% Mounted on
devtmpfs        1.8G     0  1.8G   0% /dev
tmpfs           1.8G     0  1.8G   0% /dev/shm
tmpfs           1.8G  500K  1.8G   1% /run
tmpfs           1.8G     0  1.8G   0% /sys/fs/cgroup
/dev/vda3       177G  167G  2.9G  99% /
tmpfs           1.8G  284K  1.8G   1% /tmp
/dev/vda2       200M  5.8M  195M   3% /boot/efi
tmpfs           359M     0  359M   0% /run/user/1000
tmpfs           359M     0  359M   0% /run/user/0
[root@atcoin ~]# 
[root@atcoin ~]# 
[root@atcoin ~]# type growpart || sudo yum install -y cloud-utils-growpart
growpart is /usr/bin/growpart
[root@atcoin ~]# sudo yum update cloud-utils-growpart
Last metadata expiration check: 0:51:45 ago on Fri 07 Mar 2025 11:09:35 AM CST.
Dependencies resolved.
Nothing to do.
Complete!
[root@atcoin ~]# type sgdisk || sudo yum install -y gdisk
sgdisk is /usr/sbin/sgdisk
[root@atcoin ~]# sudo LC_ALL=en_US.UTF-8 growpart /dev/vda 3 
CHANGED: partition=3 start=415744 old: size=377071583 end=377487326 new: size=838445023 end=838860766
[root@atcoin ~]# sudo resize2fs /dev/vda3
resize2fs 1.46.0 (29-Jan-2020)
Filesystem at /dev/vda3 is mounted on /; on-line resizing required
old_desc_blocks = 12, new_desc_blocks = 25
The filesystem on /dev/vda3 is now 104805627 (4k) blocks long.

[root@atcoin ~]# df -h
Filesystem      Size  Used Avail Use% Mounted on
devtmpfs        1.8G     0  1.8G   0% /dev
tmpfs           1.8G     0  1.8G   0% /dev/shm
tmpfs           1.8G  500K  1.8G   1% /run
tmpfs           1.8G     0  1.8G   0% /sys/fs/cgroup
/dev/vda3       394G  167G  211G  45% /
tmpfs           1.8G  284K  1.8G   1% /tmp
/dev/vda2       200M  5.8M  195M   3% /boot/efi
tmpfs           359M     0  359M   0% /run/user/1000
tmpfs           359M     0  359M   0% /run/user/0

执行挂载步骤进行挂载