Virtio-blk support fstrim #9299
Description
ISSUE TYPE
- Improvement Request
COMPONENT NAME
UI
CLOUDSTACK VERSION
4.15
4.18
CONFIGURATION
Cloudstack KVM ceph
OS / ENVIRONMENT
ubuntu20.04
ubuntu22.04
SUMMARY
I have test the virtio-blk has supported fstrim. But in cloudstack only the root controller set to scsi(virtio-scsi), the disk discard mode is unmap. if not , will be Hypervisor default.
https://chrisirwin.ca/posts/discard-with-kvm-2020/
STEPS TO REPRODUCE
EXPECTED RESULTS
Whether can add a parameter in vm setting allow users to customize
Or there are other ways to do it now, using virtio-blk and using unmap for discard mode ？
ACTUAL RESULTS