Virtual Machine File System expansion

oVirt 3.4 disks can be online expansion, but for the disk within a file system requires a separate support for Linux and Windows lists commonly used method in this expansion.

Linux file system expansion (libguestfs)

For details, please refer to libguestfs site .

1. View disk

  # Virt-filesystem --all --long -h -a hda.img

2. Expansion disk copy to be created, while the expansion of 10G (Assuming the original disk size is 10G)

For RAW format:

  # Truncate -r hda.img hda-new.img
 # Truncate -s + 10G hda-new.img

For QCOW2 and other compressed formats:

  # Qemu-img create -f qcow2 -o preallocation = metadata hda-new.img 20G

3. Extended partition size

Ordinary extended partition, / boot partition expansion 200M, all the rest to the / partition:

  # Virt-resize --resize / dev / sda1 = + 200M --expand / dev / sda2 hda.img hda-new.img

LVM partition expansion, expansion lv_root logical volume:

  # Virt-resize --expand / dev / sda2 --LV-expand / dev / vg_livecd / lv_root hda.qcow2 hda-new.qcow2

Thanks,

Punit