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https://issues.apache.org/jira/browse/CLOUDSTACK-8239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15874772#comment-15874772
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ASF GitHub Bot commented on CLOUDSTACK-8239:
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GitHub user nathanejohnson opened a pull request:
https://github.com/apache/cloudstack/pull/1955
CLOUDSTACK-8239 Add VirtIO SCSI support for KVM hosts
This is an initial implementation that we have working in the lab.
[win_virtio_scsi.xml.zip](https://github.com/apache/cloudstack/files/788014/win_virtio_scsi.xml.zip)
@wido @syed Would love to get some feedback on this approach.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/myENA/cloudstack virtio-scsi
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/cloudstack/pull/1955.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #1955
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commit d6d1cb20cd6f9984217a09c103610ffb2d4e6cf4
Author: Simon Weller <swel...@ena.com>
Date: 2017-02-07T06:13:12Z
Added support for ViRTIO-SCSI based on template name.
commit 658a5e1b1ade2f936061695dd89ed8828751a3c2
Author: Nathan Johnson <njohn...@ena.com>
Date: 2017-02-08T17:02:13Z
CLOUDSTACK-8239 - Adding support for virtio-scsi on KVM hosts
This adds support for virtio-scsi on KVM hosts, but currently
only for guests that are associated with a new os_type of
'Other PV Virtio-SCSI (64-bit)'. This is to prevent device
name changes on existing templates / VMs.
----
> 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, gsoc2017, kvm, libvirt, rbd, storage_drivers,
> virtio
> Fix For: Future
>
>
> 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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