Hi Miguel,
Did you check:
https://pve.proxmox.com/wiki/Shrink_Qcow2_Disk_Files
For real resizing, you must:
0. Make a backup
1. Reboot to a live CD
2. Reduce the filesystem(s) in the disk if necessary
3. Reduce and/or move the partitions, so that there isn't any on the end
of the disk.
4. Reduce the disk using qemu-img
Good luck!
Eneko
On 16/05/15 20:30, Miguel Gonzalez wrote:
Dear all,
I have been searching around how to resize a disk that was created
for 256 Gb but currently only has 50 Gb. Unfortunately it grew up to
108 Gb and now I can't claim the spaces by the files I have already
deleted.
If possible, I would like to avoid any downtime or minimize it. Some
people claim that using qemu-img convert would do the trick instead of
converting to raw format.
Is there any way to avoid downtime or any configuration to avoid it
in the future? I'm running proxmox 3.3-1
# qemu-img info vm-102-disk-1.qcow2
image: vm-102-disk-1.qcow2
file format: qcow2
virtual size: 256G (274877906944 bytes)
disk size: 180G
cluster_size: 65536
Snapshot list:
ID TAG VM SIZE DATE VM CLOCK
1 snapshot_21022015 0 2015-02-21 16:24:32 00:00:00.000
Format specific information:
compat: 1.1
lazy refcounts: false
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