What about:
vgs
sfdisk -l <your disk path>
El 22/06/15 a las 15:05, Gilberto Nunes escribió:
Ok guys...
All those steps I already perform...
I can shrink fs+partition+lvm inside the guest... Everything is ok!
But, when I perform this:
qemu-img resize vm.raw -3100G
the guest crash!
The raw image, on Proxmox fs has 3,9 TB...
Inside the guest, I have this:
df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vg_bancosiscobra-lv_root
50G 4,7G 43G 11% /
tmpfs 939M 0 939M 0% /dev/shm
/dev/sda2 485M 67M 393M 15% /boot
/dev/mapper/vg_bancosiscobra-lv_home
640G 540G 68G 89% /home
With the qemu-img resize command showing above, I managed to shrink
raw image to 800GB, more than sufficient to boot the machine...
But no way! I get error inside the guest...
My next shot will be this tutorial:
http://dnaeon.github.io/resizing-a-kvm-disk-image-on-lvm-the-easy-way/
2015-06-22 9:57 GMT-03:00 Yannis Milios <[email protected]
<mailto:[email protected]>>:
First try to shrink fs+partition+lvm inside guest vm with gparted
as Lindsay suggested.
Reboot the VM to check if resize completed successfully.
Check actual fs+partition+lvm sizes inside VM and verify their
total size.
Shutdown VM and try to resize raw disk so that the total size is
bigger at least some MB than the actual size.
For example if actual size is 1Tb resize it to 1.2-1.3 Tb just to
be safe.
Try booting the VM again.
On 22 Jun 2015 13:37, "Gilberto Nunes" <[email protected]
<mailto:[email protected]>> wrote:
So, inside the VM I managed to reduce the LVM and the
Filesystem...
But, when I try to use qemu-img resize, perhaps I mistake
something, because the crash down in kernel panic, 'cause not
found and partitions, even the LVM!
Are you sure that gparted live iso is safe???
Thanks
2015-06-22 9:25 GMT-03:00 Lindsay Mathieson
<[email protected]
<mailto:[email protected]>>:
Use the GPartEd Live ISO (http://gparted.org/download.php)
to resize the LVM *and* the partiton, then qemu-img to
shrink it.
On 22 June 2015 at 21:50, Gilberto Nunes
<[email protected]
<mailto:[email protected]>> wrote:
Hi guys
I was able to reduce LVM and root/home partition
inside a certain VM, runnning on Proxmox.
The VM has raw image.
This image was 4 TB of size..
But, when I try using command:
qemu-img resize vm.raw -XXXXG
The VM get crash! No partition remain....
So I thought use virt-resize to make this operation....
I can use perhaps, other host, with virt-manager and
other virt tools installed, shrink the raw image with
virt-resize and get use the resulting image to new VM
on Proxmox...
Or, maybe you guys, has another solution...??
Thanks
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