I would assume that this is to avoid data corruption. However it sounds like a good feature request (allow disk resize when creating a new vm from a template). Can you please open it? https://bugzilla.redhat.com/enter_bug.cgi?product=oVirt Thanks! Dafna

Hello,

I am making some tests and this time I want to reduce the disk size before create a new vm (in the "new vm" window )

test: 1) click on "new VM" 2) select template (centos6.5 , 6GB, 500GB HD , 2 cores) 3) resource allocation : select "preallocated disk" 4) change disk size <<<< it is not possible !

Why I can not change disk size ?

I know it is based on template who had already defined (500GB), but this template in fact has only 4GB of actual size in "thin provisioning" "allocation policy" .

thanks

tamer

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-- Dafna Ron