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-554669880 > hm... I've personally used KVM with SolidFire, including hosting all system VMs on SF. > > I read the explanation but still don't get it why it is now required @svenvogel @andrijapanicsb we use Netapp Solidfire since end of 2018 and work with them in KVM. you will see from testing to production the timeframe is not so large. The term "now" is not entirely correct. its 6 month of tests and wip. the PR is open since June 2019 with some changes and to find out how it works. i dont think its good to edit the database for new install and/or change values all the time i need an upgrade. except an emergency, I do not think it makes sense to edit in the database. do you change always the database? we want to min the change of the database. I think the video of @mike-tutkowski is a good explanation. > i.e. what EXACTLY doesn't work atm in 4.11+? i dont know before or after this release. i know that since we use the solidfire we have described problem above. the red rectangle with virtualsize is set without this fix to the disk disk size from the qcow2 and not virtualsize. if you upgrade the systemvm and change and the copy process will start it uses the disk size. SF system refuses the disk size. it needs an virtualsize and refuse the copy process. with fix.  without fix. solidfire copy process will not work.  make that sense? maybe @syed can add more historical information in this case.
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