There should be a way to boot to just the initramfs (I think it will be called rescue mode in the bootloader in the default install) and you can run fdisk and resize2fs from there.
--Stephen On Tue, Feb 11, 2025 at 11:00:38PM +0000, 04-psyche.tot...@icloud.com wrote: > Hi all, > > I run a Debian VM on an openBSD system. > > I need to increase the size of this VM. > > I've increased the size of the disk image via qemu-img resize disk.qcow2 +50G > > Now, I need the VM OS to be resized as well. > > I tried to resize the partition with fdisk, but this is not possible it seems > because this is the OS partition (fair enough). > I've then tried with growpart, but this failed as well. > > Is it possible to resize the OS partition? > > See some commands ran on the VM below: > > > > > > $lsblk > NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS > vda 254:0 0 100G 0 disk > |-vda1 254:1 0 49G 0 part / > |-vda2 254:2 0 1K 0 part > `-vda5 254:5 0 975M 0 part [SWAP] > > > > $sudo fdisk /dev/vda1 > > This disk is currently in use - repartitioning is probably a bad idea. > It's recommended to umount all file systems, and swapoff all swap > partitions on this disk. > > The device contains 'ext4' signature and it will be removed by a write > command. See fdisk(8) man page and --wipe option for more details. > > > > > $sudo growpart /dev/vda 1 -v > /dev/vda1 : start= 2048, size= 102854656, type=83, bootable > /dev/vda2 : start= 102858750, size= 1996802, type=5 > /dev/vda5 : start= 102858752, size= 1996800, type=82 > max_end=102858749 tot=209715200 pt_end=102856703 pt_start=2048 > pt_size=102854656 > NOCHANGE: partition 1 could only be grown by 2046 [fudge=2048] > > > > > >
