Linux system-KVM virtual machine HDD expansion

1. Turn off the virtual machine # try to get the customer to shut down

Vmagent/vmsh Stop xxxxxxxxx

Virsh List--all

2. Enter the directory where the virtual machine files are located

Cd/images/xxxxxxxxx

3. Increase disk capacity

Qemu-img Resize disk.img +10g# expansion of the virtual machine disk.img disk File 10G

4. Start the virtual machine and log in

Vmagent/vmsh start xxxxxxxx

5. View the current disk situation and unmount the disks that are expanding

Df-th

Umount/dev/vdb

6. Check Inode, block, and size, directory structure, directory connectivity

E2fsck-f/dev/vdb

7. Extend the disk and re-mount it

Resize2fs-p/dev/vdb

Mount/dev/vdb/data

Df-th

Linux system-KVM virtual machine HDD expansion