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Bug 1457549

Summary: [RFE] Provide a mechanism for VM patch management by updating a master image template
Product: Red Hat Enterprise Virtualization Manager Reporter: Greg Scott <gscott>
Component: ovirt-engineAssignee: Martin Tessun <mtessun>
Status: CLOSED WONTFIX QA Contact: meital avital <mavital>
Severity: high Docs Contact:
Priority: unspecified    
Version: unspecifiedCC: gscott, lsurette, michal.skrivanek, mkalinin, mtessun, pvilayat, rbalakri, Rhev-m-bugs, srevivo
Target Milestone: ---Keywords: FutureFeature
Target Release: ---Flags: lsvaty: testing_plan_complete-
Hardware: All   
OS: All   
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Last Closed: 2017-12-06 15:14:04 UTC Type: Bug
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oVirt Team: Virt RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Blocks: 1523346    

Description Greg Scott 2017-05-31 22:07:33 UTC 
Currently, if I update a template, and I want VMs based on that template to get the update, I need to destroy and recreate those VMs.

This RFE asks for the ability for VMs based on an updated template - or at least pooled VMs based on that template - to automatically have that update at the next boot, with no need to destroy and recreate the VMs.

Consider the use case with thousands of Windows VMs, all with unique identities and members of an Active Directory domain.  If I patch their template, I need to destroy all those VMs, clean references to them from AD, recreate them, and run them all through a Microsoft mini-setup to rejoin the domain.

If RHV had the ability to patch the template *once*, with all VMs based on that template immediately receiving the update after a reboot, customers could save significant time and money with patch management for both servers and desktops.

This RFE does not ask for updates to copy out to thousands of VM disk images.  It asks for thousands of VMs to share the same template image, even after a template update.
Comment 12 Marina Kalinin 2017-12-20 23:43:11 UTC 
*** Bug 1507350 has been marked as a duplicate of this bug. ***