RogerSik/proxmox-vm-template
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enable discard and ssd emulation on template disk

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Without discard=on, blocks freed inside the guest (fstrim.timer is
enabled by default in Ubuntu cloud images) are never released on
thin-provisioned storage like Ceph RBD, so disks only grow. Clones
inherit the disk options from the template.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
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Roger SikorskiandClaude Opus 5.5 committed 2026-09-23 13:22:15 +02:00
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commit 66863b50b2
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ubuntu-lts.sh
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@@ -94,7 +94,7 @@ virt-customize -a "/tmp/$SELECTED_RELEASE-server-cloudimg-amd64.modified.img" --
echo "Create Proxmox VM image from Ubuntu Cloud Image"
qm create "$VM_ID" --memory 1024 --balloon 0 --cores 2 --net0 virtio,bridge=vmbr0 --scsihw virtio-scsi-pci --hotplug disk,network,usb,memory --numa 1
qm set "$VM_ID" --scsi0 local-lvm:0,import-from="/tmp/$SELECTED_RELEASE-server-cloudimg-amd64.modified.img"
qm set "$VM_ID" --scsi0 local-lvm:0,import-from="/tmp/$SELECTED_RELEASE-server-cloudimg-amd64.modified.img",discard=on,ssd=1
qm set "$VM_ID" --agent enabled=1,fstrim_cloned_disks=1
echo "Create Cloud-Init Disk and configure boot"