Hi, As far as I understand, you have resized the disk inside the VM to 60GB, right ?
However, the allocated disk size of the VM should be still 120GB, not 60GB. You can verify it by `qemu-img info -U /mnt/xxxx/xxxx` Shrinking a QCOW2 image is possible, but complicated. It is currently not supported by CloudStack. The message you received is expected. -Wei On Mon, 4 Sept 2023 at 13:11, Granwille Strauss <granwi...@namhost.com.invalid> wrote: > Hi Wido > > I mounted a live ISO to the VM, booted into the ISO and went into recover > mode, had to unmount the / partition of the VM, and then proceed to resize > it via parted and write changes. Rebooted via and detatched the ISO and now > VM shows 60 GB correctly. However, in Cloudstack, still says the volume is > 120 GB. But when I want to shrink it to 60 GB, I get this error: > > Failed to resize volume operation of volume UUID: > [eec8285e-8715-441b-b418-b71b231f1bab] due to - Unable to shrink volumes of > type QCOW2 > > And yes, the VM is stopped when I try doing this. I now want to confirm > from the community, is this the expected behaviour or not? It seems Wei > doubted it. If not, that means I have a bug that need to be looked at and > further checked. > > On 9/4/23 12:46, Wido den Hollander wrote: > > > > Op 04/09/2023 om 09:18 schreef Granwille Strauss: > > Thank you. Can you confirm if this behaviour is expected? Or am I > experiencing a bug? > > > What exactly? You did this resize manually outside the knowledge of > cloudstack, am I correct? > > How did you do this live/recovery method? > > Wido > > > On 9/4/23 09:00, Wido den Hollander wrote: > > > > Op 04-09-2023 om 08:20 schreef Granwille Strauss: > > Hi > > I managed to resize the VM itself back to 60 GB via live/recovery method. > However, now in Cloudstack it still says the volume remains 120 GB and > when I want to shrink it I am presented with the errors from my previous > reply. Is there a way around this? Such as making a database change. Also, > is this the expected behaviour for a KVM host? > > > This is recorded in the table 'volumes'. If you decrease the size to 60GB > there is should show properly. > > Wido > > On 9/2/23 11:22, Granwille Strauss wrote: > > > Hi Wei > > It seems you're right you cannot shrink the volume in Cloudstack: > > Failed to resize volume operation of volume UUID: > [eec8285e-8715-441b-b418-b71b231f1bab] due to - Unable to shrink volumes of > type QCOW2 > > > Going from existing size of 128849018880 to size of 64424509440 would > shrink the volume.Need to sign off by supplying the shrinkok parameter with > value of true. > > > On 9/2/23 10:37, Wei ZHOU wrote: > > Hi Wido, > > Does it work with kvm ? > > my suggestion would be > - create a new vm with 60GB > - copy the data using `rsync` > > -Wei > > On Sat, 2 Sept 2023 at 08:25, Wido den Hollander<w...@widodh.nl> > <w...@widodh.nl> wrote: > > Hi, > > Yes, you should make sure the filesystem and partitions are within the > to be set new boundaries. > > Once that's done you can shrink the volume. > > I would recommend: > > - Shrink EXT4 + Partitions to 59GB > - Shrink volume to 60GB > - Grow EXT4 + Partitions to 60GB > > The step to 59GB is to prevent that by calc mistake you chip off the > last portion of your filesystem. > > Wido > > Op 01-09-2023 om 16:29 schreef Granwille Strauss: > > Hi Guys > > Anyone willing to assist me with a quick one. What's the best and > recommended way to shrink a VM volume via UI? The VM volume was first 60 > GB, we then expended it to 120 GB and increased it in the VM via parted. > I now want to take it back to 60GB. How do I proceed? Do I first shrink > the ext4 in the VM first then proceed to shrink the volume in Cloudstack > UI by selecting also the "Shrink OK" option? 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