[virt-tools-list] How to resize a partition in a KVM image? (after the image is resized by "qemu-img resize")
eblake at redhat.com
Sat May 3 13:42:38 UTC 2014
On 05/02/2014 11:10 PM, Peng Yu wrote:
> A KVM guest had the following root partition.
> Filesystem Size Used Avail Use% Mounted on
> /dev/mapper/mintaka--vg-root 3.7G 3.3G 134M 97% /
> After the guest was shutdown, I run "qemu-img resize" to resize the
> image. And I got the following.
Rather than using low-level 'qemu-img resize', I highly suggest that you
use the high-level 'virt-resize' from libguestfs. It does a LOT more of
the necessary steps through the entire stack all in one operation
(larger underlying device, updated partition table, resized LVM
partitions, resized filesystems within the partitions, ...).
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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