Em sáb., 10 de abr. de 2021 às 05:25, Simon Matter simon.matter@invoca.ch escreveu:
Hi,
Wow... I didn't know about "growpart" :) I do, however, on XenServer (now XCP-NG) almost the same thing forages:
- shutdown the VMI thought we're talking about doing it online, which is quite a different thing because rereading partition layouts isn't always working as expected without a reboot.
Well, from this part of the text, I had presumed the machine was down:
"Here's how I expand the available disk size.
First I increase the virtual disk in the hypervisor.
Then I fire up the VM and do the following:"
What I do can be made with the machine online, but partprobe many times refuses to find the new size of the partitions, then, I just programe this on my maintenance window and shut all down. Made all the changes and upgrades necessary at once.
Att.,
Antonio.
Regards, Simon
- increase disk size on XCenter - boot VM on maintenance mode (with DVD boot) - do fdisk /dev/xvda, remove the desired partition (in your case 3),and recreate it with the same initial block and occupying the rest of the disk. - make what's is need to use the new space on the partition, in my case it's a LVM partition used as a PVE block. Than pvresize, vgextend, etc...
Until now, no problems... Att., Antonio.Em qui., 8 de abr. de 2021 às 12:44, Nicolas Kovacs info@microlinux.fr escreveu:
Hi,
I'm currently fiddling with KVM, Proxmox and various VMs.
I setup a very basic VM with a manual (fdisk) partitioning scheme: one /boot partition, one swap partition, and one root partition, the latter being the last partition and thus expandable).
I'm starting with a reduced disk size (6 GB in total) and a minimal installation. The idea behind this approach is that I can clone this minimal VM and then eventually expand it to fit my needs.
Here's how I expand the available disk size.
First I increase the virtual disk in the hypervisor.
Then I fire up the VM and do the following:
# yum install cloud-utils-growpart # lsblk # growpart -v /dev/sda 3 # resize2fs /dev/sda3
Now here's my question (finally): is there any risk involved in this sort of operation? Or can it be performed on a production system without having to worry about data loss?
Cheers from the sunny South of France,
Niki
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