1.) Create logical partition and format it. Example below creates “40GB” partition and “ext3” format in “vg0” volume group.
lvcreate -L 40G -n extra_storage vg0
mkfs -t ext3 -v /dev/vg0/extra_storage
2.) Update xen config to add new partition to guest os. Assign device name to it, example “xvda3”. Then re-create the VM to recognize the new partition/device. Note: reboot doesn’t read the new xen configuration.
disk = [
'phy:/dev/vg0/extra_storage,xvda3,w',
3.) After you reboot, login to VM and mount the new partition. New drive or partition shoud be in “/dev/xvda3.”
mount /dev/xvda3 /extra_space
Add it to “/etc/fstab” to automount on reboot.
/dev/xvda3 /extra_space ext3 noatime,nodiratime,errors=remount-ro 0 1
lvcreate -L 40G -n extra_storage vg0
mkfs -t ext3 -v /dev/vg0/extra_storage
2.) Update xen config to add new partition to guest os. Assign device name to it, example “xvda3”. Then re-create the VM to recognize the new partition/device. Note: reboot doesn’t read the new xen configuration.
disk = [
'phy:/dev/vg0/extra_storage,xvda3,w',
3.) After you reboot, login to VM and mount the new partition. New drive or partition shoud be in “/dev/xvda3.”
mount /dev/xvda3 /extra_space
Add it to “/etc/fstab” to automount on reboot.
/dev/xvda3 /extra_space ext3 noatime,nodiratime,errors=remount-ro 0 1
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