svenvogel commented on issue #3371: Fix virtual template size for managed storage for KVM / refactor cloud-install-sys-tmplt URL: https://github.com/apache/cloudstack/pull/3371#issuecomment-554647663 Hi @PaulAngus thanks for question. i will try to explain it. if you use a managed storage like "netapp solidfire" you need a systemvm template with virtualsize parameter in the template.properties file and not with the physical size. in java code there is xen and vmware already implemented to create the virtualsize automatically. but not for kvm. this virtualsize is set in the "template.properties" file. if there is no correctly set in the template.properties file it cant copied from the SSVM to Solidfire System. the systemvm is always be copyied from the qcow2 systemvm template to the solidfire system if there is not present. if there is an update we will delete it and it will copied again. At the moment there was the only workaround to set the values in the database. this is not very useful and dangerous. i added a flag "-M Managed Storage (QCOW2/KVM only)" for QCOW2/KVM with managed storage to get the virtualsize created in the template.properties file. every time if an "admin" will update the systemvm template with that script he can get the virtualsize with this parameter and dont set it manually. you can see that here in the video from @mike-tutkowski https://youtu.be/-tExEvkMJYs?list=PLqOXKM0Bt13DFnQnwUx8ZtJzoyDV0Uuye&t=550 @syed @mike-tutkowski is this the correct explanation?
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