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https://issues.apache.org/jira/browse/CLOUDSTACK-8239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14968698#comment-14968698
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Wido den Hollander commented on CLOUDSTACK-8239:
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No, development hasn't started yet.
Also, 4.5.3 will be a bugfix release and not include new features. The branch
is frozen for 4.6 as well, so the target will be 4.7
> Add support for VirtIO-SCSI for KVM hypervisors
> -----------------------------------------------
>
> Key: CLOUDSTACK-8239
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-8239
> Project: CloudStack
> Issue Type: New Feature
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: KVM, Storage Controller
> Affects Versions: 4.6.0
> Environment: KVM
> Reporter: Andrei Mikhailovsky
> Assignee: Wido den Hollander
> Priority: Critical
> Labels: ceph, kvm, libvirt, rbd, storage_drivers, virtio
> Fix For: 4.7.0
>
>
> It would be nice to have support for virtio-scsi for KVM hypervisors.
> The reason for using virtio-scsi instead of virtio-blk would be increasing
> the number of devices you can attach to a vm, have ability to use discard and
> reclaim unused blocks from the backend storage like ceph rbd. There are also
> talks about having a greater performance advantage as well.
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