Bug 1219697 - Unable to change VM OS type in a single screen/click
Summary: Unable to change VM OS type in a single screen/click
Keywords:
Status: CLOSED CURRENTRELEASE
Alias: None
Product: Red Hat Enterprise Virtualization Manager
Classification: Red Hat
Component: ovirt-engine
Version: 3.5.0
Hardware: x86_64
OS: Linux
low
low
Target Milestone: ovirt-3.6.0-rc
: 3.6.0
Assignee: Shmuel Melamud
QA Contact: Nisim Simsolo
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2015-05-08 01:29 UTC by Dan Yasny
Modified: 2016-04-20 01:39 UTC (History)
9 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2016-04-20 01:39:08 UTC
oVirt Team: Virt
Target Upstream Version:
Embargoed:

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System ID Private Priority Status Summary Last Updated
oVirt gerrit 40920 0 master MERGED core: Incorrect check of VirtIO-SCSI status on VM update Never

Description Dan Yasny 2015-05-08 01:29:29 UTC 
Description of problem:
When a VM has virtio-scsi enabled, changing the OS type to a version that has no support for virtio scsi fails. Disabling virtio-scsi is also not possible, because if the OS is changed in the first tab, virtio-scsi is greyed out in the resource allocation tab, and thus cannot be disabled

Version-Release number of selected component (if applicable):
3.5.0-0.32

How reproducible:
always

Steps to Reproduce:
1. create a VM as RHEL-7, with virtio-scsi enabled
2. edit VM, change to RHEL-5
3. switch to Resource allocation tab in VM edit window

Actual results:
virtio-scsi cannot be disabled even if it was enabled before, so changes cannot be saved

Expected results:
auto-disable virtio-scsi is OS version is incompatible 
or
do not grey out virtio-scsi if it is enabled, so the user can manually disable it

Additional info:
Comment 1 Max Kovgan 2015-06-28 14:13:22 UTC 
ovirt-3.6.0-3 release
Comment 2 Nisim Simsolo 2015-09-22 05:35:28 UTC 
Fixed. VirtIO-SCSI is disabled and grayed out when selecting incompatible VM OS and enabled/editable when selecting compatible VM OS.
Verified on:  3.6.0-0.13.master.el6
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