xenserver Archives - AndrewSarver.com

Create a snapshot of the VM to revert back if needed
Shut down the VM
In XenCenter, select the VM and click the Storage tab
Select the disk and click Properties
Enter the new size under Size and Location
Power on the VM
Verify the additional storage is available
```
# fdisk -l
```
Edit the expanded drive with fdisk
```
# fdisk /dev/xvda
```
View the existing partitions by typing ‘p’
Create a new partition by typing ‘n’
If there are less than 4 partitions, select primary. Otherwise, select extended.
Press Enter twice to use all of the free space
Type ‘p’ to view the new table
Type ‘t’ to change the partition type of the new partition to type ‘8e’
Once the partition table looks correct, type ‘w’ to save and quit
Reboot the VM
Create a new LVM physical volume on the new partition
```
# pvcreate /dev/xvda4
```
Extend the volume group to include the new PV
```
# vgextend vg_system /dev/xvda4
```
Extend the logical volume to include the remaining free space in the VG
```
# lvextend -l+100%FREE /dev/mapper/vg_system-lv_root
```
Resize the filesystem to fill the free space in the LV
```
# resize2fs /dev/mapper/vg_system-lv_root
```
Verify the additional space is available
```
# df -h
```

xenserver